diff options
Diffstat (limited to 'drivers')
62 files changed, 8957 insertions, 592 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index e69b0543817..145e4cfa2de 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -277,11 +277,12 @@ source "drivers/clk/mvebu/Kconfig" source "drivers/clk/owl/Kconfig" source "drivers/clk/qcom/Kconfig" source "drivers/clk/renesas/Kconfig" -source "drivers/clk/sophgo/Kconfig" -source "drivers/clk/sunxi/Kconfig" source "drivers/clk/sifive/Kconfig" +source "drivers/clk/sophgo/Kconfig" +source "drivers/clk/spacemit/Kconfig" source "drivers/clk/starfive/Kconfig" source "drivers/clk/stm32/Kconfig" +source "drivers/clk/sunxi/Kconfig" source "drivers/clk/tegra/Kconfig" source "drivers/clk/ti/Kconfig" source "drivers/clk/thead/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index c37ef75d420..2bfa789e48a 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_CLK_RENESAS) += renesas/ obj-$(CONFIG_$(PHASE_)CLK_SCMI) += clk_scmi.o obj-$(CONFIG_CLK_SIFIVE) += sifive/ obj-$(CONFIG_CLK_SOPHGO) += sophgo/ +obj-$(CONFIG_CLK_SPACEMIT) += spacemit/ obj-$(CONFIG_CLK_SUNXI) += sunxi/ obj-$(CONFIG_CLK_UNIPHIER) += uniphier/ obj-$(CONFIG_CLK_VERSACLOCK) += clk_versaclock.o diff --git a/drivers/clk/airoha/clk-airoha.c b/drivers/clk/airoha/clk-airoha.c index 49dbca82135..89a8b4cb1cf 100644 --- a/drivers/clk/airoha/clk-airoha.c +++ b/drivers/clk/airoha/clk-airoha.c @@ -327,7 +327,7 @@ static int airoha_clk_enable(struct clk *clk) struct airoha_clk_soc_data *data = priv->data; int id = clk->id; - if (id > data->num_clocks) + if (id >= data->num_clocks) return -EINVAL; return 0; @@ -349,7 +349,7 @@ static ulong airoha_clk_get_rate(struct clk *clk) ulong rate; int ret; - if (id > data->num_clocks) { + if (id >= data->num_clocks) { dev_err(clk->dev, "Invalid clk ID %d\n", id); return 0; } @@ -412,7 +412,7 @@ static ulong airoha_clk_set_rate(struct clk *clk, ulong rate) int div; int ret; - if (id > data->num_clocks) { + if (id >= data->num_clocks) { dev_err(clk->dev, "Invalid clk ID %d\n", id); return 0; } diff --git a/drivers/clk/spacemit/Kconfig b/drivers/clk/spacemit/Kconfig new file mode 100644 index 00000000000..25a3c1e4a45 --- /dev/null +++ b/drivers/clk/spacemit/Kconfig @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (c) 2025, Junhui Liu <[email protected]> + +config CLK_SPACEMIT + bool "Clock support for SpacemiT SoCs" + depends on CLK || COMPILE_TEST + select REGMAP + select LIB_RATIONAL + help + This enables support clock driver for Spacemit SoC + family. + +if CLK_SPACEMIT + +config CLK_SPACEMIT_K1 + bool "SpacemiT K1 clock support" + select CLK_CCF + help + This enables support clock driver for Spacemit K1 SoC. + It's based on Common Clock Framework. + +endif diff --git a/drivers/clk/spacemit/Makefile b/drivers/clk/spacemit/Makefile new file mode 100644 index 00000000000..824e94d1f74 --- /dev/null +++ b/drivers/clk/spacemit/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2025 Junhui Liu <[email protected]> + +obj-$(CONFIG_CLK_SPACEMIT) += clk_ddn.o clk_mix.o clk_pll.o + +obj-$(CONFIG_CLK_SPACEMIT_K1) += clk-k1.o diff --git a/drivers/clk/spacemit/clk-k1.c b/drivers/clk/spacemit/clk-k1.c new file mode 100644 index 00000000000..07adc126ee3 --- /dev/null +++ b/drivers/clk/spacemit/clk-k1.c @@ -0,0 +1,1878 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + * + * Authors: Haylen Chu <[email protected]> + */ + +#include <dm.h> +#include <dm/device_compat.h> +#include <dm/lists.h> +#include <regmap.h> +#include <linux/clk-provider.h> +#include <soc/spacemit/k1-reset.h> +#include <soc/spacemit/k1-syscon.h> + +#include "clk_common.h" +#include "clk_ddn.h" +#include "clk_mix.h" +#include "clk_pll.h" + +#include <dt-bindings/clock/spacemit,k1-syscon.h> + +#define K1_PLL_ID 100 +#define K1_MPMU_ID 200 +#define K1_APBC_ID 300 +#define K1_APMU_ID 400 + +struct spacemit_ccu_data { + struct clk **clks; + size_t num; + unsigned long offset; +}; + +/* APBS clocks start, APBS region contains and only contains all PLL clocks */ + +/* + * PLL{1,2} must run at fixed frequencies to provide clocks in correct rates for + * peripherals. + */ +static const struct ccu_pll_rate_tbl pll1_rate_tbl[] = { + CCU_PLL_RATE(2457600000UL, 0x0050dd64, 0x330ccccd), +}; + +#if IS_ENABLED(CONFIG_SPL_BUILD) +CCU_PLL_DEFINE(CLK_PLL1, pll1, pll1, "clock-24m", pll1_rate_tbl, + APBS_PLL1_SWCR1, APBS_PLL1_SWCR3, MPMU_POSR, POSR_PLL1_LOCK, + CLK_SET_RATE_GATE); + +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D4, pll1_d4, pll1_d4, "pll1", APBS_PLL1_SWCR2, + BIT(3), 4, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D6, pll1_d6, pll1_d6, "pll1", APBS_PLL1_SWCR2, + BIT(5), 6, 1); +CCU_FACTOR_GATE_FLAGS_DEFINE(CLK_PLL1_D8, pll1_d8, pll1_d8, "pll1", + APBS_PLL1_SWCR2, BIT(7), 8, 1, CLK_IS_CRITICAL); +#else +static const struct ccu_pll_rate_tbl pll2_rate_tbl[] = { + CCU_PLL_RATE(3000000000UL, 0x0050dd66, 0x3fe00000), +}; + +static const struct ccu_pll_rate_tbl pll3_rate_tbl[] = { + CCU_PLL_RATE(1600000000UL, 0x0050cd61, 0x43eaaaab), + CCU_PLL_RATE(1800000000UL, 0x0050cd61, 0x4b000000), + CCU_PLL_RATE(2000000000UL, 0x0050dd62, 0x2aeaaaab), + CCU_PLL_RATE(2457600000UL, 0x0050dd64, 0x330ccccd), + CCU_PLL_RATE(3000000000UL, 0x0050dd66, 0x3fe00000), + CCU_PLL_RATE(3200000000UL, 0x0050dd67, 0x43eaaaab), +}; + +CCU_PLL_DEFINE(CLK_PLL1, pll1, pll1, "clock-24m", pll1_rate_tbl, + APBS_PLL1_SWCR1, APBS_PLL1_SWCR3, MPMU_POSR, POSR_PLL1_LOCK, + CLK_SET_RATE_GATE); +CCU_PLL_DEFINE(CLK_PLL2, pll2, pll2, "clock-24m", pll2_rate_tbl, + APBS_PLL2_SWCR1, APBS_PLL2_SWCR3, MPMU_POSR, POSR_PLL2_LOCK, + CLK_SET_RATE_GATE); +CCU_PLL_DEFINE(CLK_PLL3, pll3, pll3, "clock-24m", pll3_rate_tbl, + APBS_PLL3_SWCR1, APBS_PLL3_SWCR3, MPMU_POSR, POSR_PLL3_LOCK, + CLK_SET_RATE_GATE); + +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D2, pll1_d2, pll1_d2, "pll1", APBS_PLL1_SWCR2, + BIT(1), 2, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D3, pll1_d3, pll1_d3, "pll1", APBS_PLL1_SWCR2, + BIT(2), 3, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D4, pll1_d4, pll1_d4, "pll1", APBS_PLL1_SWCR2, + BIT(3), 4, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D5, pll1_d5, pll1_d5, "pll1", APBS_PLL1_SWCR2, + BIT(4), 5, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D6, pll1_d6, pll1_d6, "pll1", APBS_PLL1_SWCR2, + BIT(5), 6, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D7, pll1_d7, pll1_d7, "pll1", APBS_PLL1_SWCR2, + BIT(6), 7, 1); +CCU_FACTOR_GATE_FLAGS_DEFINE(CLK_PLL1_D8, pll1_d8, pll1_d8, "pll1", + APBS_PLL1_SWCR2, BIT(7), 8, 1, CLK_IS_CRITICAL); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D11, pll1_d11_223p4, pll1_d11_223p4, "pll1", + APBS_PLL1_SWCR2, BIT(15), 11, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D13, pll1_d13_189, pll1_d13_189, "pll1", + APBS_PLL1_SWCR2, BIT(16), 13, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D23, pll1_d23_106p8, pll1_d23_106p8, "pll1", + APBS_PLL1_SWCR2, BIT(20), 23, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D64, pll1_d64_38p4, pll1_d64_38p4, "pll1", + APBS_PLL1_SWCR2, BIT(0), 64, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D10_AUD, pll1_aud_245p7, pll1_aud_245p7, "pll1", + APBS_PLL1_SWCR2, BIT(10), 10, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_D100_AUD, pll1_aud_24p5, pll1_aud_24p5, "pll1", + APBS_PLL1_SWCR2, BIT(11), 100, 1); + +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D1, pll2_d1, pll2_d1, "pll2", APBS_PLL2_SWCR2, + BIT(0), 1, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D2, pll2_d2, pll2_d2, "pll2", APBS_PLL2_SWCR2, + BIT(1), 2, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D3, pll2_d3, pll2_d3, "pll2", APBS_PLL2_SWCR2, + BIT(2), 3, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D4, pll2_d4, pll2_d4, "pll2", APBS_PLL2_SWCR2, + BIT(3), 4, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D5, pll2_d5, pll2_d5, "pll2", APBS_PLL2_SWCR2, + BIT(4), 5, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D6, pll2_d6, pll2_d6, "pll2", APBS_PLL2_SWCR2, + BIT(5), 6, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D7, pll2_d7, pll2_d7, "pll2", APBS_PLL2_SWCR2, + BIT(6), 7, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL2_D8, pll2_d8, pll2_d8, "pll2", APBS_PLL2_SWCR2, + BIT(7), 8, 1); + +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D1, pll3_d1, pll3_d1, "pll3", APBS_PLL3_SWCR2, + BIT(0), 1, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D2, pll3_d2, pll3_d2, "pll3", APBS_PLL3_SWCR2, + BIT(1), 2, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D3, pll3_d3, pll3_d3, "pll3", APBS_PLL3_SWCR2, + BIT(2), 3, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D4, pll3_d4, pll3_d4, "pll3", APBS_PLL3_SWCR2, + BIT(3), 4, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D5, pll3_d5, pll3_d5, "pll3", APBS_PLL3_SWCR2, + BIT(4), 5, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D6, pll3_d6, pll3_d6, "pll3", APBS_PLL3_SWCR2, + BIT(5), 6, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D7, pll3_d7, pll3_d7, "pll3", APBS_PLL3_SWCR2, + BIT(6), 7, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL3_D8, pll3_d8, pll3_d8, "pll3", APBS_PLL3_SWCR2, + BIT(7), 8, 1); + +CCU_FACTOR_DEFINE(CLK_PLL3_20, pll3_20, pll3_20, "pll3_d8", 20, 1); +CCU_FACTOR_DEFINE(CLK_PLL3_40, pll3_40, pll3_40, "pll3_d8", 10, 1); +CCU_FACTOR_DEFINE(CLK_PLL3_80, pll3_80, pll3_80, "pll3_d8", 5, 1); +#endif +/* APBS clocks end */ + +/* MPMU clocks start */ +#if IS_ENABLED(CONFIG_SPL_BUILD) +CCU_GATE_DEFINE(CLK_PLL1_614, pll1_d4_614p4, pll1_d4_614p4, "pll1_d4", + MPMU_ACGR, BIT(15), 0); +CCU_GATE_DEFINE(CLK_PLL1_409P6, pll1_d6_409p6, pll1_d6_409p6, "pll1_d6", + MPMU_ACGR, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PLL1_307P2, pll1_d8_307p2, pll1_d8_307p2, "pll1_d8", + MPMU_ACGR, BIT(13), 0); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_31P5, pll1_d78_31p5, pll1_d78_31p5, + "pll1_d4", MPMU_ACGR, BIT(6), 39, 2); +CCU_DDN_DEFINE(CLK_SLOW_UART2, slow_uart2_48, slow_uart2_48, + "pll1_d4_614p4", MPMU_SUCCR_1, + CCU_DDN_MASK(16, 13), 16, CCU_DDN_MASK(0, 13), 0, 2, 0); +#else +CCU_GATE_DEFINE(CLK_PLL1_307P2, pll1_d8_307p2, pll1_d8_307p2, "pll1_d8", + MPMU_ACGR, BIT(13), 0); + +CCU_FACTOR_DEFINE(CLK_PLL1_76P8, pll1_d32_76p8, pll1_d32_76p8, "pll1_d8_307p2", + 4, 1); + +CCU_FACTOR_DEFINE(CLK_PLL1_61P44, pll1_d40_61p44, pll1_d40_61p44, + "pll1_d8_307p2", 5, 1); + +CCU_FACTOR_DEFINE(CLK_PLL1_153P6, pll1_d16_153p6, pll1_d16_153p6, + "pll1_d8", 2, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_102P4, pll1_d24_102p4, pll1_d24_102p4, + "pll1_d8", MPMU_ACGR, BIT(12), 3, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_51P2, pll1_d48_51p2, pll1_d48_51p2, + "pll1_d8", MPMU_ACGR, BIT(7), 6, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_51P2_AP, pll1_d48_51p2_ap, pll1_d48_51p2_ap, + "pll1_d8", MPMU_ACGR, BIT(11), 6, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_57P6, pll1_m3d128_57p6, pll1_m3d128_57p6, + "pll1_d8", MPMU_ACGR, BIT(8), 16, 3); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_25P6, pll1_d96_25p6, pll1_d96_25p6, + "pll1_d8", MPMU_ACGR, BIT(4), 12, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_12P8, pll1_d192_12p8, pll1_d192_12p8, + "pll1_d8", MPMU_ACGR, BIT(3), 24, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_12P8_WDT, pll1_d192_12p8_wdt, pll1_d192_12p8_wdt, + "pll1_d8", MPMU_ACGR, BIT(19), 24, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_6P4, pll1_d384_6p4, pll1_d384_6p4, + "pll1_d8", MPMU_ACGR, BIT(2), 48, 1); + +CCU_FACTOR_DEFINE(CLK_PLL1_3P2, pll1_d768_3p2, pll1_d768_3p2, + "pll1_d384_6p4", 2, 1); +CCU_FACTOR_DEFINE(CLK_PLL1_1P6, pll1_d1536_1p6, pll1_d1536_1p6, + "pll1_d384_6p4", 4, 1); +CCU_FACTOR_DEFINE(CLK_PLL1_0P8, pll1_d3072_0p8, pll1_d3072_0p8, + "pll1_d384_6p4", 8, 1); + +CCU_GATE_DEFINE(CLK_PLL1_409P6, pll1_d6_409p6, pll1_d6_409p6, "pll1_d6", + MPMU_ACGR, BIT(0), 0); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_204P8, pll1_d12_204p8, pll1_d12_204p8, + "pll1_d6", MPMU_ACGR, BIT(5), 2, 1); + +CCU_GATE_DEFINE(CLK_PLL1_491, pll1_d5_491p52, pll1_d5_491p52, "pll1_d5", + MPMU_ACGR, BIT(21), 0); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_245P76, pll1_d10_245p76, pll1_d10_245p76, + "pll1_d5", MPMU_ACGR, BIT(18), 2, 1); + +CCU_GATE_DEFINE(CLK_PLL1_614, pll1_d4_614p4, pll1_d4_614p4, "pll1_d4", + MPMU_ACGR, BIT(15), 0); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_47P26, pll1_d52_47p26, pll1_d52_47p26, + "pll1_d4", MPMU_ACGR, BIT(10), 13, 1); +CCU_FACTOR_GATE_DEFINE(CLK_PLL1_31P5, pll1_d78_31p5, pll1_d78_31p5, + "pll1_d4", MPMU_ACGR, BIT(6), 39, 2); + +CCU_GATE_DEFINE(CLK_PLL1_819, pll1_d3_819p2, pll1_d3_819p2, "pll1_d3", + MPMU_ACGR, BIT(14), 0); + +CCU_GATE_DEFINE(CLK_PLL1_1228, pll1_d2_1228p8, pll1_d2_1228p8, "pll1_d2", + MPMU_ACGR, BIT(16), 0); + +CCU_GATE_DEFINE(CLK_SLOW_UART, slow_uart, slow_uart, "clock-32k", MPMU_ACGR, + BIT(1), CLK_IGNORE_UNUSED); +CCU_DDN_DEFINE(CLK_SLOW_UART1, slow_uart1_14p74, slow_uart1_14p74, + "pll1_d16_153p6", MPMU_SUCCR, + CCU_DDN_MASK(16, 13), 16, CCU_DDN_MASK(0, 13), 0, 2, 0); +CCU_DDN_DEFINE(CLK_SLOW_UART2, slow_uart2_48, slow_uart2_48, + "pll1_d4_614p4", MPMU_SUCCR_1, + CCU_DDN_MASK(16, 13), 16, CCU_DDN_MASK(0, 13), 0, 2, 0); + +CCU_GATE_DEFINE(CLK_WDT, wdt_clk, wdt_clk, "pll1_d96_25p6", MPMU_WDTPCR, + BIT(1), 0); + +CCU_FACTOR_DEFINE(CLK_I2S_153P6, i2s_153p6, i2s_153p6, "pll1_d8_307p2", 2, 1); + +static const char * const i2s_153p6_base_parents[] = { + "i2s_153p6", + "pll1_d8_307p2", +}; + +CCU_MUX_DEFINE(CLK_I2S_153P6_BASE, i2s_153p6_base, i2s_153p6_base, + i2s_153p6_base_parents, ARRAY_SIZE(i2s_153p6_base_parents), + MPMU_FCCR, 29, 1, 0); + +static const char * const i2s_sysclk_src_parents[] = { + "pll1_d96_25p6", + "i2s_153p6_base" +}; + +CCU_MUX_GATE_DEFINE(CLK_I2S_SYSCLK_SRC, i2s_sysclk_src, i2s_sysclk_src, + i2s_sysclk_src_parents, ARRAY_SIZE(i2s_sysclk_src_parents), + MPMU_ISCCR, 30, 1, BIT(31), 0); + +CCU_DDN_DEFINE(CLK_I2S_SYSCLK, i2s_sysclk, i2s_sysclk, "i2s_sysclk_src", + MPMU_ISCCR, CCU_DDN_MASK(0, 15), 0, CCU_DDN_MASK(15, 12), + 15, 1, 0); + +CCU_FACTOR_DEFINE(CLK_I2S_BCLK_FACTOR, i2s_bclk_factor, i2s_bclk_factor, + "i2s_sysclk", 2, 1); +/* + * Divider of i2s_bclk always implies a 1/2 factor, which is + * described by i2s_bclk_factor. + */ +CCU_DIV_GATE_DEFINE(CLK_I2S_BCLK, i2s_bclk, i2s_bclk, "i2s_bclk_factor", + MPMU_ISCCR, 27, 2, BIT(29), 0); + +static const char * const apb_parents[] = { + "pll1_d96_25p6", + "pll1_d48_51p2", + "pll1_d96_25p6", + "pll1_d24_102p4", +}; + +CCU_MUX_DEFINE(CLK_APB, apb_clk, apb_clk, apb_parents, ARRAY_SIZE(apb_parents), + MPMU_APBCSCR, 0, 2, 0); + +CCU_GATE_DEFINE(CLK_WDT_BUS, wdt_bus_clk, wdt_bus_clk, "apb_clk", MPMU_WDTPCR, + BIT(0), 0); + +CCU_GATE_DEFINE(CLK_RIPC, ripc_clk, ripc_clk, "apb_clk", MPMU_RIPCCR, 0x1, 0); +#endif +/* MPMU clocks end */ + +/* APBC clocks start */ +#if IS_ENABLED(CONFIG_SPL_BUILD) +static const char * const uart_clk_parents[] = { + "clock-dummy", + "clock-dummy", + "slow_uart2_48", +}; + +CCU_MUX_GATE_DEFINE(CLK_UART0, uart0_clk, uart0_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART1_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); + +static const char * const twsi_parents[] = { + "pll1_d78_31p5", +}; + +CCU_MUX_GATE_DEFINE(CLK_TWSI2, twsi2_clk, twsi2_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI2_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +/* + * APBC_TWSI8_CLK_RST has a quirk that reading always results in zero. + * Combine functional and bus bits together as a gate to avoid sharing the + * write-only register between different clock hardwares. + */ +CCU_GATE_DEFINE(CLK_TWSI8, twsi8_clk, twsi8_clk, "pll1_d78_31p5", + APBC_TWSI8_CLK_RST, BIT(1) | BIT(0), 0); + +#else +static const char * const uart_clk_parents[] = { + "pll1_m3d128_57p6", + "slow_uart1_14p74", + "slow_uart2_48", +}; + +CCU_MUX_GATE_DEFINE(CLK_UART0, uart0_clk, uart0_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART1_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); + +static const char * const twsi_parents[] = { + "pll1_d78_31p5", + "pll1_d48_51p2", + "pll1_d40_61p44", +}; + +CCU_MUX_GATE_DEFINE(CLK_TWSI2, twsi2_clk, twsi2_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI2_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +/* + * APBC_TWSI8_CLK_RST has a quirk that reading always results in zero. + * Combine functional and bus bits together as a gate to avoid sharing the + * write-only register between different clock hardwares. + */ +CCU_GATE_DEFINE(CLK_TWSI8, twsi8_clk, twsi8_clk, "pll1_d78_31p5", + APBC_TWSI8_CLK_RST, BIT(1) | BIT(0), 0); + +CCU_MUX_GATE_DEFINE(CLK_UART2, uart2_clk, uart2_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART2_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART3, uart3_clk, uart3_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART3_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART4, uart4_clk, uart4_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART4_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART5, uart5_clk, uart5_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART5_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART6, uart6_clk, uart6_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART6_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART7, uart7_clk, uart7_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART7_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART8, uart8_clk, uart8_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART8_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_UART9, uart9_clk, uart9_clk, uart_clk_parents, + ARRAY_SIZE(uart_clk_parents), APBC_UART9_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); + +CCU_GATE_DEFINE(CLK_GPIO, gpio_clk, gpio_clk, "clock-24m", APBC_GPIO_CLK_RST, + BIT(1) | BIT(0), 0); + +static const char * const pwm_parents[] = { + "pll1_d192_12p8", + "clock-32k", +}; + +CCU_MUX_GATE_DEFINE(CLK_PWM0, pwm0_clk, pwm0_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM0_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM1, pwm1_clk, pwm1_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM1_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM2, pwm2_clk, pwm2_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM2_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM3, pwm3_clk, pwm3_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM3_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM4, pwm4_clk, pwm4_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM4_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM5, pwm5_clk, pwm5_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM5_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM6, pwm6_clk, pwm6_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM6_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM7, pwm7_clk, pwm7_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM7_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM8, pwm8_clk, pwm8_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM8_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM9, pwm9_clk, pwm9_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM9_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM10, pwm10_clk, pwm10_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM10_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM11, pwm11_clk, pwm11_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM11_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM12, pwm12_clk, pwm12_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM12_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM13, pwm13_clk, pwm13_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM13_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM14, pwm14_clk, pwm14_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM14_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM15, pwm15_clk, pwm15_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM15_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM16, pwm16_clk, pwm16_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM16_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM17, pwm17_clk, pwm17_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM17_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM18, pwm18_clk, pwm18_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM18_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_PWM19, pwm19_clk, pwm19_clk, pwm_parents, + ARRAY_SIZE(pwm_parents), APBC_PWM19_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); + +static const char * const ssp_parents[] = { + "pll1_d384_6p4", + "pll1_d192_12p8", + "pll1_d96_25p6", + "pll1_d48_51p2", + "pll1_d768_3p2", + "pll1_d1536_1p6", + "pll1_d3072_0p8", +}; + +CCU_MUX_GATE_DEFINE(CLK_SSP3, ssp3_clk, ssp3_clk, ssp_parents, + ARRAY_SIZE(ssp_parents), APBC_SSP3_CLK_RST, 4, 3, + BIT(1), 0); + +CCU_GATE_DEFINE(CLK_RTC, rtc_clk, rtc_clk, "clock-32k", APBC_RTC_CLK_RST, + BIT(7) | BIT(1) | BIT(0), 0); + +CCU_MUX_GATE_DEFINE(CLK_TWSI0, twsi0_clk, twsi0_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI0_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TWSI1, twsi1_clk, twsi1_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI1_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TWSI4, twsi4_clk, twsi4_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI4_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TWSI5, twsi5_clk, twsi5_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI5_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TWSI6, twsi6_clk, twsi6_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI6_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TWSI7, twsi7_clk, twsi7_clk, twsi_parents, + ARRAY_SIZE(twsi_parents), APBC_TWSI7_CLK_RST, + 4, 3, BIT(1) | BIT(0), 0); + +static const char * const timer_parents[] = { + "pll1_d192_12p8", + "clock-32k", + "pll1_d384_6p4", + "clock-3m", + "clock-1m", +}; + +CCU_MUX_GATE_DEFINE(CLK_TIMERS1, timers1_clk, timers1_clk, timer_parents, + ARRAY_SIZE(timer_parents), APBC_TIMERS1_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); +CCU_MUX_GATE_DEFINE(CLK_TIMERS2, timers2_clk, timers2_clk, timer_parents, + ARRAY_SIZE(timer_parents), APBC_TIMERS2_CLK_RST, 4, 3, + BIT(1) | BIT(0), 0); + +CCU_GATE_DEFINE(CLK_AIB, aib_clk, aib_clk, "clock-24m", APBC_AIB_CLK_RST, + BIT(1) | BIT(0), 0); + +CCU_GATE_DEFINE(CLK_ONEWIRE, onewire_clk, onewire_clk, "clock-24m", + APBC_ONEWIRE_CLK_RST, BIT(1) | BIT(0), 0); + +/* + * When i2s_bclk is selected as the parent clock of sspa, + * the hardware requires bit3 to be set + */ +CCU_GATE_DEFINE(CLK_SSPA0_I2S_BCLK, sspa0_i2s_bclk, sspa0_i2s_bclk, "i2s_bclk", + APBC_SSPA0_CLK_RST, BIT(3), 0); +CCU_GATE_DEFINE(CLK_SSPA1_I2S_BCLK, sspa1_i2s_bclk, sspa1_i2s_bclk, "i2s_bclk", + APBC_SSPA1_CLK_RST, BIT(3), 0); + +static const char * const sspa0_parents[] = { + "pll1_d384_6p4", + "pll1_d192_12p8", + "pll1_d96_25p6", + "pll1_d48_51p2", + "pll1_d768_3p2", + "pll1_d1536_1p6", + "pll1_d3072_0p8", + "sspa0_i2s_bclk", +}; + +CCU_MUX_GATE_DEFINE(CLK_SSPA0, sspa0_clk, sspa0_clk, sspa0_parents, + ARRAY_SIZE(sspa0_parents), APBC_SSPA0_CLK_RST, 4, 3, + BIT(1), 0); + +static const char * const sspa1_parents[] = { + "pll1_d384_6p4", + "pll1_d192_12p8", + "pll1_d96_25p6", + "pll1_d48_51p2", + "pll1_d768_3p2", + "pll1_d1536_1p6", + "pll1_d3072_0p8", + "sspa1_i2s_bclk", +}; + +CCU_MUX_GATE_DEFINE(CLK_SSPA1, sspa1_clk, sspa1_clk, sspa1_parents, + ARRAY_SIZE(sspa1_parents), APBC_SSPA1_CLK_RST, 4, 3, + BIT(1), 0); + +CCU_GATE_DEFINE(CLK_DRO, dro_clk, dro_clk, "apb_clk", APBC_DRO_CLK_RST, + BIT(1) | BIT(0), 0); +CCU_GATE_DEFINE(CLK_IR, ir_clk, ir_clk, "apb_clk", APBC_IR_CLK_RST, + BIT(1) | BIT(0), 0); +CCU_GATE_DEFINE(CLK_TSEN, tsen_clk, tsen_clk, "apb_clk", APBC_TSEN_CLK_RST, + BIT(1) | BIT(0), 0); +CCU_GATE_DEFINE(CLK_IPC_AP2AUD, ipc_ap2aud_clk, ipc_ap2aud_clk, "apb_clk", + APBC_IPC_AP2AUD_CLK_RST, BIT(1) | BIT(0), 0); + +static const char * const can_parents[] = { + "pll3_20", + "pll3_40", + "pll3_80", +}; + +CCU_MUX_GATE_DEFINE(CLK_CAN0, can0_clk, can0_clk, can_parents, + ARRAY_SIZE(can_parents), APBC_CAN0_CLK_RST, 4, 3, + BIT(1), 0); +CCU_GATE_DEFINE(CLK_CAN0_BUS, can0_bus_clk, can0_bus_clk, "clock-24m", + APBC_CAN0_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_UART0_BUS, uart0_bus_clk, uart0_bus_clk, "apb_clk", + APBC_UART1_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART2_BUS, uart2_bus_clk, uart2_bus_clk, "apb_clk", + APBC_UART2_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART3_BUS, uart3_bus_clk, uart3_bus_clk, "apb_clk", + APBC_UART3_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART4_BUS, uart4_bus_clk, uart4_bus_clk, "apb_clk", + APBC_UART4_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART5_BUS, uart5_bus_clk, uart5_bus_clk, "apb_clk", + APBC_UART5_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART6_BUS, uart6_bus_clk, uart6_bus_clk, "apb_clk", + APBC_UART6_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART7_BUS, uart7_bus_clk, uart7_bus_clk, "apb_clk", + APBC_UART7_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART8_BUS, uart8_bus_clk, uart8_bus_clk, "apb_clk", + APBC_UART8_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_UART9_BUS, uart9_bus_clk, uart9_bus_clk, "apb_clk", + APBC_UART9_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_GPIO_BUS, gpio_bus_clk, gpio_bus_clk, "apb_clk", + APBC_GPIO_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_PWM0_BUS, pwm0_bus_clk, pwm0_bus_clk, "apb_clk", + APBC_PWM0_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM1_BUS, pwm1_bus_clk, pwm1_bus_clk, "apb_clk", + APBC_PWM1_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM2_BUS, pwm2_bus_clk, pwm2_bus_clk, "apb_clk", + APBC_PWM2_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM3_BUS, pwm3_bus_clk, pwm3_bus_clk, "apb_clk", + APBC_PWM3_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM4_BUS, pwm4_bus_clk, pwm4_bus_clk, "apb_clk", + APBC_PWM4_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM5_BUS, pwm5_bus_clk, pwm5_bus_clk, "apb_clk", + APBC_PWM5_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM6_BUS, pwm6_bus_clk, pwm6_bus_clk, "apb_clk", + APBC_PWM6_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM7_BUS, pwm7_bus_clk, pwm7_bus_clk, "apb_clk", + APBC_PWM7_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM8_BUS, pwm8_bus_clk, pwm8_bus_clk, "apb_clk", + APBC_PWM8_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM9_BUS, pwm9_bus_clk, pwm9_bus_clk, "apb_clk", + APBC_PWM9_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM10_BUS, pwm10_bus_clk, pwm10_bus_clk, "apb_clk", + APBC_PWM10_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM11_BUS, pwm11_bus_clk, pwm11_bus_clk, "apb_clk", + APBC_PWM11_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM12_BUS, pwm12_bus_clk, pwm12_bus_clk, "apb_clk", + APBC_PWM12_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM13_BUS, pwm13_bus_clk, pwm13_bus_clk, "apb_clk", + APBC_PWM13_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM14_BUS, pwm14_bus_clk, pwm14_bus_clk, "apb_clk", + APBC_PWM14_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM15_BUS, pwm15_bus_clk, pwm15_bus_clk, "apb_clk", + APBC_PWM15_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM16_BUS, pwm16_bus_clk, pwm16_bus_clk, "apb_clk", + APBC_PWM16_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM17_BUS, pwm17_bus_clk, pwm17_bus_clk, "apb_clk", + APBC_PWM17_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM18_BUS, pwm18_bus_clk, pwm18_bus_clk, "apb_clk", + APBC_PWM18_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_PWM19_BUS, pwm19_bus_clk, pwm19_bus_clk, "apb_clk", + APBC_PWM19_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_SSP3_BUS, ssp3_bus_clk, ssp3_bus_clk, "apb_clk", + APBC_SSP3_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_RTC_BUS, rtc_bus_clk, rtc_bus_clk, "apb_clk", + APBC_RTC_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_TWSI0_BUS, twsi0_bus_clk, twsi0_bus_clk, "apb_clk", + APBC_TWSI0_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI1_BUS, twsi1_bus_clk, twsi1_bus_clk, "apb_clk", + APBC_TWSI1_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI2_BUS, twsi2_bus_clk, twsi2_bus_clk, "apb_clk", + APBC_TWSI2_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI4_BUS, twsi4_bus_clk, twsi4_bus_clk, "apb_clk", + APBC_TWSI4_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI5_BUS, twsi5_bus_clk, twsi5_bus_clk, "apb_clk", + APBC_TWSI5_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI6_BUS, twsi6_bus_clk, twsi6_bus_clk, "apb_clk", + APBC_TWSI6_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TWSI7_BUS, twsi7_bus_clk, twsi7_bus_clk, "apb_clk", + APBC_TWSI7_CLK_RST, BIT(0), 0); +CCU_FACTOR_DEFINE(CLK_TWSI8_BUS, twsi8_bus_clk, twsi8_bus_clk, "apb_clk", 1, 1); + +CCU_GATE_DEFINE(CLK_TIMERS1_BUS, timers1_bus_clk, timers1_bus_clk, "apb_clk", + APBC_TIMERS1_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_TIMERS2_BUS, timers2_bus_clk, timers2_bus_clk, "apb_clk", + APBC_TIMERS2_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_AIB_BUS, aib_bus_clk, aib_bus_clk, "apb_clk", + APBC_AIB_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_ONEWIRE_BUS, onewire_bus_clk, onewire_bus_clk, "apb_clk", + APBC_ONEWIRE_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_SSPA0_BUS, sspa0_bus_clk, sspa0_bus_clk, "apb_clk", + APBC_SSPA0_CLK_RST, BIT(0), 0); +CCU_GATE_DEFINE(CLK_SSPA1_BUS, sspa1_bus_clk, sspa1_bus_clk, "apb_clk", + APBC_SSPA1_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_TSEN_BUS, tsen_bus_clk, tsen_bus_clk, "apb_clk", + APBC_TSEN_CLK_RST, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_IPC_AP2AUD_BUS, ipc_ap2aud_bus_clk, ipc_ap2aud_bus_clk, + "apb_clk", APBC_IPC_AP2AUD_CLK_RST, BIT(0), 0); +#endif +/* APBC clocks end */ + +/* APMU clocks start */ +#if IS_ENABLED(CONFIG_SPL_BUILD) +static const char * const pmua_aclk_parents[] = { + "clock-dummy", + "pll1_d8_307p2", +}; + +CCU_MUX_DIV_FC_DEFINE(CLK_PMUA_ACLK, pmua_aclk, pmua_aclk, pmua_aclk_parents, + ARRAY_SIZE(pmua_aclk_parents), + APMU_ACLK_CLK_CTRL, APMU_ACLK_CLK_CTRL, 1, 2, BIT(4), + 0, 1, 0); + +CCU_GATE_DEFINE(CLK_SDH_AXI, sdh_axi_aclk, sdh_axi_aclk, "pmua_aclk", + APMU_SDH0_CLK_RES_CTRL, BIT(3), 0); + +static const char * const sdh01_parents[] = { + "pll1_d6_409p6", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_SDH0, sdh0_clk, sdh0_clk, sdh01_parents, + ARRAY_SIZE(sdh01_parents), + APMU_SDH0_CLK_RES_CTRL, + APMU_SDH0_CLK_RES_CTRL, 8, 3, BIT(11), 5, 3, + BIT(4), 0); + +static const char * const sdh2_parents[] = { + "pll1_d6_409p6", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_SDH2, sdh2_clk, sdh2_clk, sdh2_parents, + ARRAY_SIZE(sdh2_parents), + APMU_SDH2_CLK_RES_CTRL, + APMU_SDH2_CLK_RES_CTRL, 8, 3, BIT(11), 5, 3, + BIT(4), 0); +#else +static const char * const pmua_aclk_parents[] = { + "pll1_d10_245p76", + "pll1_d8_307p2", +}; + +CCU_MUX_DIV_FC_DEFINE(CLK_PMUA_ACLK, pmua_aclk, pmua_aclk, pmua_aclk_parents, + ARRAY_SIZE(pmua_aclk_parents), + APMU_ACLK_CLK_CTRL, APMU_ACLK_CLK_CTRL, 1, 2, BIT(4), + 0, 1, 0); + +static const char * const emmc_parents[] = { + "pll1_d6_409p6", + "pll1_d4_614p4", + "pll1_d52_47p26", + "pll1_d3_819p2", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_EMMC, emmc_clk, emmc_clk, emmc_parents, + ARRAY_SIZE(emmc_parents), + APMU_PMUA_EM_CLK_RES_CTRL, + APMU_PMUA_EM_CLK_RES_CTRL, 8, 3, BIT(11), + 6, 2, BIT(4), 0); +CCU_DIV_GATE_DEFINE(CLK_EMMC_X, emmc_x_clk, emmc_x_clk, "pll1_d2_1228p8", + APMU_PMUA_EM_CLK_RES_CTRL, 12, + 3, BIT(15), 0); + +CCU_GATE_DEFINE(CLK_EMMC_BUS, emmc_bus_clk, emmc_bus_clk, "pmua_aclk", + APMU_PMUA_EM_CLK_RES_CTRL, BIT(3), 0); + +static const char * const cci550_clk_parents[] = { + "pll1_d5_491p52", + "pll1_d4_614p4", + "pll1_d3_819p2", + "pll2_d3", +}; + +CCU_MUX_DIV_FC_DEFINE(CLK_CCI550, cci550_clk, cci550_clk, cci550_clk_parents, + ARRAY_SIZE(cci550_clk_parents), + APMU_CCI550_CLK_CTRL, APMU_CCI550_CLK_CTRL, 8, 3, + BIT(12), 0, 2, CLK_IS_CRITICAL); + +static const char * const cpu_c0_hi_clk_parents[] = { + "pll3_d2", + "pll3_d1", +}; + +CCU_MUX_DEFINE(CLK_CPU_C0_HI, cpu_c0_hi_clk, cpu_c0_hi_clk, + cpu_c0_hi_clk_parents, ARRAY_SIZE(cpu_c0_hi_clk_parents), + APMU_CPU_C0_CLK_CTRL, 13, 1, 0); +static const char * const cpu_c0_clk_parents[] = { + "pll1_d4_614p4", + "pll1_d3_819p2", + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d2_1228p8", + "pll3_d3", + "pll2_d3", + "cpu_c0_hi_clk", +}; + +CCU_MUX_FC_DEFINE(CLK_CPU_C0_CORE, cpu_c0_core_clk, cpu_c0_core_clk, + cpu_c0_clk_parents, ARRAY_SIZE(cpu_c0_clk_parents), + APMU_CPU_C0_CLK_CTRL, APMU_CPU_C0_CLK_CTRL, + BIT(12), 0, 3, CLK_IS_CRITICAL); +CCU_DIV_DEFINE(CLK_CPU_C0_ACE, cpu_c0_ace_clk, cpu_c0_ace_clk, + "cpu_c0_core_clk", APMU_CPU_C0_CLK_CTRL, 6, 3, CLK_IS_CRITICAL); +CCU_DIV_DEFINE(CLK_CPU_C0_TCM, cpu_c0_tcm_clk, cpu_c0_tcm_clk, + "cpu_c0_core_clk", APMU_CPU_C0_CLK_CTRL, 9, 3, CLK_IS_CRITICAL); + +static const char * const cpu_c1_hi_clk_parents[] = { + "pll3_d2", + "pll3_d1", +}; + +CCU_MUX_DEFINE(CLK_CPU_C1_HI, cpu_c1_hi_clk, cpu_c1_hi_clk, + cpu_c1_hi_clk_parents, ARRAY_SIZE(cpu_c1_hi_clk_parents), + APMU_CPU_C1_CLK_CTRL, 13, 1, 0); +static const char * const cpu_c1_clk_parents[] = { + "pll1_d4_614p4", + "pll1_d3_819p2", + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d2_1228p8", + "pll3_d3", + "pll2_d3", + "cpu_c1_hi_clk", +}; + +CCU_MUX_FC_DEFINE(CLK_CPU_C1_CORE, cpu_c1_core_clk, cpu_c1_core_clk, + cpu_c1_clk_parents, ARRAY_SIZE(cpu_c1_clk_parents), + APMU_CPU_C1_CLK_CTRL, APMU_CPU_C1_CLK_CTRL, + BIT(12), 0, 3, CLK_IS_CRITICAL); +CCU_DIV_DEFINE(CLK_CPU_C1_ACE, cpu_c1_ace_clk, cpu_c1_ace_clk, + "cpu_c1_core_clk", APMU_CPU_C1_CLK_CTRL, 6, 3, CLK_IS_CRITICAL); + +static const char * const jpg_parents[] = { + "pll1_d4_614p4", + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d3_819p2", + "pll1_d2_1228p8", + "pll2_d4", + "pll2_d3", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_JPG, jpg_clk, jpg_clk, jpg_parents, + ARRAY_SIZE(jpg_parents), + APMU_JPG_CLK_RES_CTRL, + APMU_JPG_CLK_RES_CTRL, + 5, 3, BIT(15), 2, 3, BIT(1), 0); + +static const char * const ccic2phy_parents[] = { + "pll1_d24_102p4", + "pll1_d48_51p2_ap", +}; + +CCU_MUX_GATE_DEFINE(CLK_CCIC2PHY, ccic2phy_clk, ccic2phy_clk, ccic2phy_parents, + ARRAY_SIZE(ccic2phy_parents), APMU_CSI_CCIC2_CLK_RES_CTRL, + 7, 1, BIT(5), 0); + +static const char * const ccic3phy_parents[] = { + "pll1_d24_102p4", + "pll1_d48_51p2_ap", +}; + +CCU_MUX_GATE_DEFINE(CLK_CCIC3PHY, ccic3phy_clk, ccic3phy_clk, ccic3phy_parents, + ARRAY_SIZE(ccic3phy_parents), APMU_CSI_CCIC2_CLK_RES_CTRL, + 31, 1, BIT(30), 0); + +static const char * const csi_parents[] = { + "pll1_d5_491p52", + "pll1_d6_409p6", + "pll1_d4_614p4", + "pll1_d3_819p2", + "pll2_d2", + "pll2_d3", + "pll2_d4", + "pll1_d2_1228p8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_CSI, csi_clk, csi_clk, csi_parents, + ARRAY_SIZE(csi_parents), + APMU_CSI_CCIC2_CLK_RES_CTRL, + APMU_CSI_CCIC2_CLK_RES_CTRL, 20, 3, BIT(15), + 16, 3, BIT(4), 0); + +static const char * const camm_parents[] = { + "pll1_d8_307p2", + "pll2_d5", + "pll1_d6_409p6", + "clock-24m", +}; + +CCU_MUX_DIV_GATE_DEFINE(CLK_CAMM0, camm0_clk, camm0_clk, camm_parents, + ARRAY_SIZE(camm_parents), + APMU_CSI_CCIC2_CLK_RES_CTRL, 23, 4, 8, 2, + BIT(28), 0); +CCU_MUX_DIV_GATE_DEFINE(CLK_CAMM1, camm1_clk, camm1_clk, camm_parents, + ARRAY_SIZE(camm_parents), + APMU_CSI_CCIC2_CLK_RES_CTRL, 23, 4, 8, 2, + BIT(6), 0); +CCU_MUX_DIV_GATE_DEFINE(CLK_CAMM2, camm2_clk, camm2_clk, camm_parents, + ARRAY_SIZE(camm_parents), + APMU_CSI_CCIC2_CLK_RES_CTRL, 23, 4, 8, 2, + BIT(3), 0); + +static const char * const isp_cpp_parents[] = { + "pll1_d8_307p2", + "pll1_d6_409p6", +}; + +CCU_MUX_DIV_GATE_DEFINE(CLK_ISP_CPP, isp_cpp_clk, isp_cpp_clk, isp_cpp_parents, + ARRAY_SIZE(isp_cpp_parents), + APMU_ISP_CLK_RES_CTRL, 24, 2, 26, 1, + BIT(28), 0); +static const char * const isp_bus_parents[] = { + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d8_307p2", + "pll1_d10_245p76", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_ISP_BUS, isp_bus_clk, isp_bus_clk, + isp_bus_parents, ARRAY_SIZE(isp_cpp_parents), + APMU_ISP_CLK_RES_CTRL, + APMU_ISP_CLK_RES_CTRL, 18, 3, BIT(23), + 21, 2, BIT(17), 0); +static const char * const isp_parents[] = { + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d4_614p4", + "pll1_d8_307p2", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_ISP, isp_clk, isp_clk, isp_parents, + ARRAY_SIZE(isp_parents), + APMU_ISP_CLK_RES_CTRL, + APMU_ISP_CLK_RES_CTRL, + 4, 3, BIT(7), 8, 2, BIT(1), 0); + +static const char * const dpumclk_parents[] = { + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d4_614p4", + "pll1_d8_307p2", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_DPU_MCLK, dpu_mclk, dpu_mclk, + dpumclk_parents, ARRAY_SIZE(dpumclk_parents), + APMU_LCD_CLK_RES_CTRL2, APMU_LCD_CLK_RES_CTRL1, + 1, 4, BIT(29), 5, 3, BIT(0), 0); + +static const char * const dpuesc_parents[] = { + "pll1_d48_51p2_ap", + "pll1_d52_47p26", + "pll1_d96_25p6", + "pll1_d32_76p8", +}; + +CCU_MUX_GATE_DEFINE(CLK_DPU_ESC, dpu_esc_clk, dpu_esc_clk, dpuesc_parents, + ARRAY_SIZE(dpuesc_parents), APMU_LCD_CLK_RES_CTRL1, 0, 2, + BIT(2), 0); + +static const char * const dpubit_parents[] = { + "pll1_d3_819p2", + "pll2_d2", + "pll2_d3", + "pll1_d2_1228p8", + "pll2_d4", + "pll2_d5", + "pll2_d7", + "pll2_d8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_DPU_BIT, dpu_bit_clk, dpu_bit_clk, + dpubit_parents, ARRAY_SIZE(dpubit_parents), + APMU_LCD_CLK_RES_CTRL1, + APMU_LCD_CLK_RES_CTRL1, 17, 3, BIT(31), + 20, 3, BIT(16), 0); + +static const char * const dpupx_parents[] = { + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d4_614p4", + "pll1_d8_307p2", + "pll2_d7", + "pll2_d8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_DPU_PXCLK, dpu_pxclk, dpu_pxclk, + dpupx_parents, ARRAY_SIZE(dpupx_parents), + APMU_LCD_CLK_RES_CTRL2, APMU_LCD_CLK_RES_CTRL1, + 17, 4, BIT(30), 21, 3, BIT(16), 0); + +CCU_GATE_DEFINE(CLK_DPU_HCLK, dpu_hclk, dpu_hclk, "pmua_aclk", + APMU_LCD_CLK_RES_CTRL1, BIT(5), 0); + +static const char * const dpu_spi_parents[] = { + "pll1_d8_307p2", + "pll1_d6_409p6", + "pll1_d10_245p76", + "pll1_d11_223p4", + "pll1_d13_189", + "pll1_d23_106p8", + "pll2_d3", + "pll2_d5", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_DPU_SPI, dpu_spi_clk, dpu_spi_clk, + dpu_spi_parents, ARRAY_SIZE(dpu_spi_parents), + APMU_LCD_SPI_CLK_RES_CTRL, + APMU_LCD_SPI_CLK_RES_CTRL, 8, 3, + BIT(7), 12, 3, BIT(1), 0); +CCU_GATE_DEFINE(CLK_DPU_SPI_HBUS, dpu_spi_hbus_clk, dpu_spi_hbus_clk, + "pmua_aclk", APMU_LCD_SPI_CLK_RES_CTRL, BIT(3), 0); +CCU_GATE_DEFINE(CLK_DPU_SPIBUS, dpu_spi_bus_clk, dpu_spi_bus_clk, + "pmua_aclk", APMU_LCD_SPI_CLK_RES_CTRL, BIT(5), 0); +CCU_GATE_DEFINE(CLK_DPU_SPI_ACLK, dpu_spi_aclk, dpu_spi_aclk, + "pmua_aclk", APMU_LCD_SPI_CLK_RES_CTRL, BIT(6), 0); + +static const char * const v2d_parents[] = { + "pll1_d5_491p52", + "pll1_d6_409p6", + "pll1_d8_307p2", + "pll1_d4_614p4", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_V2D, v2d_clk, v2d_clk, v2d_parents, + ARRAY_SIZE(v2d_parents), + APMU_LCD_CLK_RES_CTRL1, + APMU_LCD_CLK_RES_CTRL1, 9, 3, BIT(28), 12, 2, + BIT(8), 0); + +static const char * const ccic_4x_parents[] = { + "pll1_d5_491p52", + "pll1_d6_409p6", + "pll1_d4_614p4", + "pll1_d3_819p2", + "pll2_d2", + "pll2_d3", + "pll2_d4", + "pll1_d2_1228p8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_CCIC_4X, ccic_4x_clk, ccic_4x_clk, + ccic_4x_parents, ARRAY_SIZE(ccic_4x_parents), + APMU_CCIC_CLK_RES_CTRL, + APMU_CCIC_CLK_RES_CTRL, 18, 3, + BIT(15), 23, 2, BIT(4), 0); + +static const char * const ccic1phy_parents[] = { + "pll1_d24_102p4", + "pll1_d48_51p2_ap", +}; + +CCU_MUX_GATE_DEFINE(CLK_CCIC1PHY, ccic1phy_clk, ccic1phy_clk, ccic1phy_parents, + ARRAY_SIZE(ccic1phy_parents), APMU_CCIC_CLK_RES_CTRL, 7, 1, + BIT(5), 0); + +CCU_GATE_DEFINE(CLK_SDH_AXI, sdh_axi_aclk, sdh_axi_aclk, "pmua_aclk", + APMU_SDH0_CLK_RES_CTRL, BIT(3), 0); +static const char * const sdh01_parents[] = { + "pll1_d6_409p6", + "pll1_d4_614p4", + "pll2_d8", + "pll2_d5", + "pll1_d11_223p4", + "pll1_d13_189", + "pll1_d23_106p8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_SDH0, sdh0_clk, sdh0_clk, sdh01_parents, + ARRAY_SIZE(sdh01_parents), + APMU_SDH0_CLK_RES_CTRL, + APMU_SDH0_CLK_RES_CTRL, 8, 3, BIT(11), 5, 3, + BIT(4), 0); +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_SDH1, sdh1_clk, sdh1_clk, sdh01_parents, + ARRAY_SIZE(sdh01_parents), + APMU_SDH1_CLK_RES_CTRL, + APMU_SDH1_CLK_RES_CTRL, 8, 3, BIT(11), 5, 3, + BIT(4), 0); +static const char * const sdh2_parents[] = { + "pll1_d6_409p6", + "pll1_d4_614p4", + "pll2_d8", + "pll1_d3_819p2", + "pll1_d11_223p4", + "pll1_d13_189", + "pll1_d23_106p8", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_SDH2, sdh2_clk, sdh2_clk, sdh2_parents, + ARRAY_SIZE(sdh2_parents), + APMU_SDH2_CLK_RES_CTRL, + APMU_SDH2_CLK_RES_CTRL, 8, 3, BIT(11), 5, 3, + BIT(4), 0); + +CCU_GATE_DEFINE(CLK_USB_AXI, usb_axi_clk, usb_axi_clk, "pmua_aclk", + APMU_USB_CLK_RES_CTRL, BIT(1), 0); +CCU_GATE_DEFINE(CLK_USB_P1, usb_p1_aclk, usb_p1_aclk, "pmua_aclk", + APMU_USB_CLK_RES_CTRL, BIT(5), 0); +CCU_GATE_DEFINE(CLK_USB30, usb30_clk, usb30_clk, "pmua_aclk", + APMU_USB_CLK_RES_CTRL, BIT(8), 0); + +static const char * const qspi_parents[] = { + "pll1_d6_409p6", + "pll2_d8", + "pll1_d8_307p2", + "pll1_d10_245p76", + "pll1_d11_223p4", + "pll1_d23_106p8", + "pll1_d5_491p52", + "pll1_d13_189", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_QSPI, qspi_clk, qspi_clk, qspi_parents, + ARRAY_SIZE(qspi_parents), + APMU_QSPI_CLK_RES_CTRL, + APMU_QSPI_CLK_RES_CTRL, 9, 3, BIT(12), 6, 3, + BIT(4), 0); +CCU_GATE_DEFINE(CLK_QSPI_BUS, qspi_bus_clk, qspi_bus_clk, "pmua_aclk", + APMU_QSPI_CLK_RES_CTRL, BIT(3), 0); +CCU_GATE_DEFINE(CLK_DMA, dma_clk, dma_clk, "pmua_aclk", APMU_DMA_CLK_RES_CTRL, + BIT(3), 0); + +static const char * const aes_parents[] = { + "pll1_d12_204p8", + "pll1_d24_102p4", +}; + +CCU_MUX_GATE_DEFINE(CLK_AES, aes_clk, aes_clk, aes_parents, + ARRAY_SIZE(aes_parents), APMU_AES_CLK_RES_CTRL, 6, 1, + BIT(5), 0); + +static const char * const vpu_parents[] = { + "pll1_d4_614p4", + "pll1_d5_491p52", + "pll1_d3_819p2", + "pll1_d6_409p6", + "pll3_d6", + "pll2_d3", + "pll2_d4", + "pll2_d5", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_VPU, vpu_clk, vpu_clk, vpu_parents, + ARRAY_SIZE(vpu_parents), APMU_VPU_CLK_RES_CTRL, + APMU_VPU_CLK_RES_CTRL, 13, 3, BIT(21), 10, 3, + BIT(3), 0); + +static const char * const gpu_parents[] = { + "pll1_d4_614p4", + "pll1_d5_491p52", + "pll1_d3_819p2", + "pll1_d6_409p6", + "pll3_d6", + "pll2_d3", + "pll2_d4", + "pll2_d5", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_GPU, gpu_clk, gpu_clk, gpu_parents, + ARRAY_SIZE(gpu_parents), APMU_GPU_CLK_RES_CTRL, + APMU_GPU_CLK_RES_CTRL, 12, 3, BIT(15), 18, 3, + BIT(4), 0); + +static const char * const audio_parents[] = { + "pll1_aud_245p7", + "pll1_d8_307p2", + "pll1_d6_409p6", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_AUDIO, audio_clk, audio_clk, audio_parents, + ARRAY_SIZE(audio_parents), + APMU_AUDIO_CLK_RES_CTRL, + APMU_AUDIO_CLK_RES_CTRL, 4, 3, BIT(15), + 7, 3, BIT(12), 0); + +static const char * const hdmi_parents[] = { + "pll1_d6_409p6", + "pll1_d5_491p52", + "pll1_d4_614p4", + "pll1_d8_307p2", +}; + +CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(CLK_HDMI, hdmi_mclk, hdmi_mclk, hdmi_parents, + ARRAY_SIZE(hdmi_parents), + APMU_HDMI_CLK_RES_CTRL, + APMU_HDMI_CLK_RES_CTRL, 1, 4, BIT(29), 5, + 3, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_PCIE0_MASTER, pcie0_master_clk, pcie0_master_clk, + "pmua_aclk", APMU_PCIE_CLK_RES_CTRL_0, BIT(2), 0); +CCU_GATE_DEFINE(CLK_PCIE0_SLAVE, pcie0_slave_clk, pcie0_slave_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_0, BIT(1), 0); +CCU_GATE_DEFINE(CLK_PCIE0_DBI, pcie0_dbi_clk, pcie0_dbi_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_0, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_PCIE1_MASTER, pcie1_master_clk, pcie1_master_clk, + "pmua_aclk", APMU_PCIE_CLK_RES_CTRL_1, BIT(2), 0); +CCU_GATE_DEFINE(CLK_PCIE1_SLAVE, pcie1_slave_clk, pcie1_slave_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_1, BIT(1), 0); +CCU_GATE_DEFINE(CLK_PCIE1_DBI, pcie1_dbi_clk, pcie1_dbi_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_1, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_PCIE2_MASTER, pcie2_master_clk, pcie2_master_clk, + "pmua_aclk", APMU_PCIE_CLK_RES_CTRL_2, BIT(2), 0); +CCU_GATE_DEFINE(CLK_PCIE2_SLAVE, pcie2_slave_clk, pcie2_slave_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_2, BIT(1), 0); +CCU_GATE_DEFINE(CLK_PCIE2_DBI, pcie2_dbi_clk, pcie2_dbi_clk, "pmua_aclk", + APMU_PCIE_CLK_RES_CTRL_2, BIT(0), 0); + +CCU_GATE_DEFINE(CLK_EMAC0_BUS, emac0_bus_clk, emac0_bus_clk, "pmua_aclk", + APMU_EMAC0_CLK_RES_CTRL, BIT(0), 0); +CCU_GATE_DEFINE(CLK_EMAC0_PTP, emac0_ptp_clk, emac0_ptp_clk, "pll2_d6", + APMU_EMAC0_CLK_RES_CTRL, BIT(15), 0); +CCU_GATE_DEFINE(CLK_EMAC1_BUS, emac1_bus_clk, emac1_bus_clk, "pmua_aclk", + APMU_EMAC1_CLK_RES_CTRL, BIT(0), 0); +CCU_GATE_DEFINE(CLK_EMAC1_PTP, emac1_ptp_clk, emac1_ptp_clk, "pll2_d6", + APMU_EMAC1_CLK_RES_CTRL, BIT(15), 0); + +#endif +/* APMU clocks end */ + +#if IS_ENABLED(CONFIG_SPL_BUILD) +static struct clk *k1_ccu_pll_clks[] = { + &pll1.common.clk, + &pll1_d4.common.clk, + &pll1_d6.common.clk, + &pll1_d8.common.clk, +}; +#else +static struct clk *k1_ccu_pll_clks[] = { + &pll1.common.clk, + &pll2.common.clk, + &pll3.common.clk, + &pll1_d2.common.clk, + &pll1_d3.common.clk, + &pll1_d4.common.clk, + &pll1_d5.common.clk, + &pll1_d6.common.clk, + &pll1_d7.common.clk, + &pll1_d8.common.clk, + &pll1_d11_223p4.common.clk, + &pll1_d13_189.common.clk, + &pll1_d23_106p8.common.clk, + &pll1_d64_38p4.common.clk, + &pll1_aud_245p7.common.clk, + &pll1_aud_24p5.common.clk, + &pll2_d1.common.clk, + &pll2_d2.common.clk, + &pll2_d3.common.clk, + &pll2_d4.common.clk, + &pll2_d5.common.clk, + &pll2_d6.common.clk, + &pll2_d7.common.clk, + &pll2_d8.common.clk, + &pll3_d1.common.clk, + &pll3_d2.common.clk, + &pll3_d3.common.clk, + &pll3_d4.common.clk, + &pll3_d5.common.clk, + &pll3_d6.common.clk, + &pll3_d7.common.clk, + &pll3_d8.common.clk, + &pll3_80.common.clk, + &pll3_40.common.clk, + &pll3_20.common.clk, +}; +#endif + +static const struct spacemit_ccu_data k1_ccu_pll_data = { + .clks = k1_ccu_pll_clks, + .num = ARRAY_SIZE(k1_ccu_pll_clks), + .offset = K1_PLL_ID, +}; + +#if IS_ENABLED(CONFIG_SPL_BUILD) +static struct clk *k1_ccu_mpmu_clks[] = { + &pll1_d4_614p4.common.clk, + &pll1_d6_409p6.common.clk, + &pll1_d8_307p2.common.clk, + &pll1_d78_31p5.common.clk, + &slow_uart2_48.common.clk, +}; +#else +static struct clk *k1_ccu_mpmu_clks[] = { + &pll1_d8_307p2.common.clk, + &pll1_d32_76p8.common.clk, + &pll1_d40_61p44.common.clk, + &pll1_d16_153p6.common.clk, + &pll1_d24_102p4.common.clk, + &pll1_d48_51p2.common.clk, + &pll1_d48_51p2_ap.common.clk, + &pll1_m3d128_57p6.common.clk, + &pll1_d96_25p6.common.clk, + &pll1_d192_12p8.common.clk, + &pll1_d192_12p8_wdt.common.clk, + &pll1_d384_6p4.common.clk, + &pll1_d768_3p2.common.clk, + &pll1_d1536_1p6.common.clk, + &pll1_d3072_0p8.common.clk, + &pll1_d6_409p6.common.clk, + &pll1_d12_204p8.common.clk, + &pll1_d5_491p52.common.clk, + &pll1_d10_245p76.common.clk, + &pll1_d4_614p4.common.clk, + &pll1_d52_47p26.common.clk, + &pll1_d78_31p5.common.clk, + &pll1_d3_819p2.common.clk, + &pll1_d2_1228p8.common.clk, + &slow_uart.common.clk, + &slow_uart1_14p74.common.clk, + &slow_uart2_48.common.clk, + &wdt_clk.common.clk, + &apb_clk.common.clk, + &ripc_clk.common.clk, + &i2s_153p6.common.clk, + &i2s_153p6_base.common.clk, + &i2s_sysclk_src.common.clk, + &i2s_sysclk.common.clk, + &i2s_bclk_factor.common.clk, + &i2s_bclk.common.clk, + &wdt_bus_clk.common.clk, +}; +#endif + +static const struct spacemit_ccu_data k1_ccu_mpmu_data = { + .clks = k1_ccu_mpmu_clks, + .num = ARRAY_SIZE(k1_ccu_mpmu_clks), + .offset = K1_MPMU_ID, +}; + +#if IS_ENABLED(CONFIG_SPL_BUILD) +static struct clk *k1_ccu_apbc_clks[] = { + &uart0_clk.common.clk, + &twsi2_clk.common.clk, + &twsi8_clk.common.clk, +}; +#else +static struct clk *k1_ccu_apbc_clks[] = { + &uart0_clk.common.clk, + &uart2_clk.common.clk, + &uart3_clk.common.clk, + &uart4_clk.common.clk, + &uart5_clk.common.clk, + &uart6_clk.common.clk, + &uart7_clk.common.clk, + &uart8_clk.common.clk, + &uart9_clk.common.clk, + &gpio_clk.common.clk, + &pwm0_clk.common.clk, + &pwm1_clk.common.clk, + &pwm2_clk.common.clk, + &pwm3_clk.common.clk, + &pwm4_clk.common.clk, + &pwm5_clk.common.clk, + &pwm6_clk.common.clk, + &pwm7_clk.common.clk, + &pwm8_clk.common.clk, + &pwm9_clk.common.clk, + &pwm10_clk.common.clk, + &pwm11_clk.common.clk, + &pwm12_clk.common.clk, + &pwm13_clk.common.clk, + &pwm14_clk.common.clk, + &pwm15_clk.common.clk, + &pwm16_clk.common.clk, + &pwm17_clk.common.clk, + &pwm18_clk.common.clk, + &pwm19_clk.common.clk, + &ssp3_clk.common.clk, + &rtc_clk.common.clk, + &twsi0_clk.common.clk, + &twsi1_clk.common.clk, + &twsi2_clk.common.clk, + &twsi4_clk.common.clk, + &twsi5_clk.common.clk, + &twsi6_clk.common.clk, + &twsi7_clk.common.clk, + &twsi8_clk.common.clk, + &timers1_clk.common.clk, + &timers2_clk.common.clk, + &aib_clk.common.clk, + &onewire_clk.common.clk, + &sspa0_clk.common.clk, + &sspa1_clk.common.clk, + &dro_clk.common.clk, + &ir_clk.common.clk, + &tsen_clk.common.clk, + &ipc_ap2aud_clk.common.clk, + &can0_clk.common.clk, + &can0_bus_clk.common.clk, + &uart0_bus_clk.common.clk, + &uart2_bus_clk.common.clk, + &uart3_bus_clk.common.clk, + &uart4_bus_clk.common.clk, + &uart5_bus_clk.common.clk, + &uart6_bus_clk.common.clk, + &uart7_bus_clk.common.clk, + &uart8_bus_clk.common.clk, + &uart9_bus_clk.common.clk, + &gpio_bus_clk.common.clk, + &pwm0_bus_clk.common.clk, + &pwm1_bus_clk.common.clk, + &pwm2_bus_clk.common.clk, + &pwm3_bus_clk.common.clk, + &pwm4_bus_clk.common.clk, + &pwm5_bus_clk.common.clk, + &pwm6_bus_clk.common.clk, + &pwm7_bus_clk.common.clk, + &pwm8_bus_clk.common.clk, + &pwm9_bus_clk.common.clk, + &pwm10_bus_clk.common.clk, + &pwm11_bus_clk.common.clk, + &pwm12_bus_clk.common.clk, + &pwm13_bus_clk.common.clk, + &pwm14_bus_clk.common.clk, + &pwm15_bus_clk.common.clk, + &pwm16_bus_clk.common.clk, + &pwm17_bus_clk.common.clk, + &pwm18_bus_clk.common.clk, + &pwm19_bus_clk.common.clk, + &ssp3_bus_clk.common.clk, + &rtc_bus_clk.common.clk, + &twsi0_bus_clk.common.clk, + &twsi1_bus_clk.common.clk, + &twsi2_bus_clk.common.clk, + &twsi4_bus_clk.common.clk, + &twsi5_bus_clk.common.clk, + &twsi6_bus_clk.common.clk, + &twsi7_bus_clk.common.clk, + &twsi8_bus_clk.common.clk, + &timers1_bus_clk.common.clk, + &timers2_bus_clk.common.clk, + &aib_bus_clk.common.clk, + &onewire_bus_clk.common.clk, + &sspa0_bus_clk.common.clk, + &sspa1_bus_clk.common.clk, + &tsen_bus_clk.common.clk, + &ipc_ap2aud_bus_clk.common.clk, + &sspa0_i2s_bclk.common.clk, + &sspa1_i2s_bclk.common.clk, +}; +#endif + +static const struct spacemit_ccu_data k1_ccu_apbc_data = { + .clks = k1_ccu_apbc_clks, + .num = ARRAY_SIZE(k1_ccu_apbc_clks), + .offset = K1_APBC_ID, +}; + +#if IS_ENABLED(CONFIG_SPL_BUILD) +static struct clk *k1_ccu_apmu_clks[] = { + &pmua_aclk.common.clk, + &sdh_axi_aclk.common.clk, + &sdh0_clk.common.clk, + &sdh2_clk.common.clk, +}; +#else +static struct clk *k1_ccu_apmu_clks[] = { + &cci550_clk.common.clk, + &cpu_c0_hi_clk.common.clk, + &cpu_c0_core_clk.common.clk, + &cpu_c0_ace_clk.common.clk, + &cpu_c0_tcm_clk.common.clk, + &cpu_c1_hi_clk.common.clk, + &cpu_c1_core_clk.common.clk, + &cpu_c1_ace_clk.common.clk, + &ccic_4x_clk.common.clk, + &ccic1phy_clk.common.clk, + &pmua_aclk.common.clk, + &sdh_axi_aclk.common.clk, + &sdh0_clk.common.clk, + &sdh1_clk.common.clk, + &sdh2_clk.common.clk, + &usb_p1_aclk.common.clk, + &usb_axi_clk.common.clk, + &usb30_clk.common.clk, + &qspi_clk.common.clk, + &qspi_bus_clk.common.clk, + &dma_clk.common.clk, + &aes_clk.common.clk, + &vpu_clk.common.clk, + &gpu_clk.common.clk, + &emmc_clk.common.clk, + &emmc_x_clk.common.clk, + &audio_clk.common.clk, + &hdmi_mclk.common.clk, + &pcie0_master_clk.common.clk, + &pcie0_slave_clk.common.clk, + &pcie0_dbi_clk.common.clk, + &pcie1_master_clk.common.clk, + &pcie1_slave_clk.common.clk, + &pcie1_dbi_clk.common.clk, + &pcie2_master_clk.common.clk, + &pcie2_slave_clk.common.clk, + &pcie2_dbi_clk.common.clk, + &emac0_bus_clk.common.clk, + &emac0_ptp_clk.common.clk, + &emac1_bus_clk.common.clk, + &emac1_ptp_clk.common.clk, + &jpg_clk.common.clk, + &ccic2phy_clk.common.clk, + &ccic3phy_clk.common.clk, + &csi_clk.common.clk, + &camm0_clk.common.clk, + &camm1_clk.common.clk, + &camm2_clk.common.clk, + &isp_cpp_clk.common.clk, + &isp_bus_clk.common.clk, + &isp_clk.common.clk, + &dpu_mclk.common.clk, + &dpu_esc_clk.common.clk, + &dpu_bit_clk.common.clk, + &dpu_pxclk.common.clk, + &dpu_hclk.common.clk, + &dpu_spi_clk.common.clk, + &dpu_spi_hbus_clk.common.clk, + &dpu_spi_bus_clk.common.clk, + &dpu_spi_aclk.common.clk, + &v2d_clk.common.clk, + &emmc_bus_clk.common.clk, +}; +#endif + +static int clk_k1_enable(struct clk *clk) +{ + const struct spacemit_ccu_data *data; + struct clk *c; + struct clk *pclk; + int ret, i; + + data = (struct spacemit_ccu_data *)dev_get_driver_data(clk->dev); + for (i = 0; i < data->num; i++) { + if (clk->id == data->clks[i]->id) { + c = data->clks[i]; + break; + } + } + if (i == data->num) + c = clk; + + pclk = clk_get_parent(c); + if (!IS_ERR_OR_NULL(pclk)) { + ret = ccf_clk_enable(pclk); + if (ret) + return ret; + } + ret = ccu_gate_enable(c); + return ret; +} + +static int clk_k1_disable(struct clk *clk) +{ + const struct spacemit_ccu_data *data; + struct clk *c; + struct clk *pclk; + int ret, i; + + data = (struct spacemit_ccu_data *)dev_get_driver_data(clk->dev); + for (i = 0; i < data->num; i++) { + if (clk->id == data->clks[i]->id) { + c = data->clks[i]; + break; + } + } + if (i == data->num) + c = clk; + + pclk = clk_get_parent(c); + if (!IS_ERR_OR_NULL(pclk)) { + ret = ccf_clk_disable(pclk); + if (ret) + return ret; + } + ret = ccu_gate_disable(c); + return ret; +} + +#define K1_CLK_OPS(name) \ +static const struct clk_ops k1_##name##_clk_ops = { \ + .set_rate = ccf_clk_set_rate, \ + .get_rate = ccf_clk_get_rate, \ + .enable = clk_k1_enable, \ + .disable = clk_k1_disable, \ + .set_parent = ccf_clk_set_parent, \ + .of_xlate = k1_##name##_clk_of_xlate, \ +} + +static const struct spacemit_ccu_data k1_ccu_apmu_data = { + .clks = k1_ccu_apmu_clks, + .num = ARRAY_SIZE(k1_ccu_apmu_clks), + .offset = K1_APMU_ID, +}; + +/* + * The K1 clock providers are split across separate syscon devices (PLL, + * MPMU, APMU, APBC) whose clocks parent across device boundaries. U-Boot's + * CCF resolves a parent by name at registration time and silently binds an + * orphan if the parent is not registered yet, so a controller must not + * register its clocks before the controllers owning its parents have probed. + * Force the parent controller to probe by its driver: this is robust against + * device tree node/phandle ordering and needs no helper "clocks" wiring in + * the syscon nodes. + */ +static int k1_clk_force_probe(const struct driver *drv) +{ + struct udevice *dev; + + return uclass_get_device_by_driver(UCLASS_CLK, drv, &dev); +} + +static int k1_clk_register(struct udevice *dev, struct regmap *regmap, + struct regmap *lock_regmap, + const struct spacemit_ccu_data *data) +{ + int i, ret; + + for (i = 0; i < data->num; i++) { + struct clk *clk = data->clks[i]; + struct ccu_common *common; + + if (!clk) + continue; + + common = clk_to_ccu_common(clk); + common->regmap = regmap; + common->lock_regmap = lock_regmap; + + if (common->clk.id < K1_PLL_ID) + clk->id = common->clk.id + data->offset; + else + clk->id = common->clk.id; + + ret = common->init(common); + if (ret) + return ret; + } + + return 0; +} + +static int k1_pll_clk_probe(struct udevice *dev) +{ + struct regmap *base_regmap, *lock_regmap = NULL; + const struct spacemit_ccu_data *data; + int ret; + + clk_register_fixed_rate(NULL, "clock-dummy", 0); + + ret = regmap_init_mem(dev_ofnode(dev), &base_regmap); + if (ret) + return ret; + + /* + * The lock status of PLLs locate in MPMU region, while PLLs themselves + * are in APBS region. Reference to MPMU syscon is required to check PLL + * status. + */ + if (device_is_compatible(dev, "spacemit,k1-pll")) { + struct ofnode_phandle_args mpmu_args; + + ret = dev_read_phandle_with_args(dev, "spacemit,mpmu", NULL, 0, 0, + &mpmu_args); + if (ret) + return ret; + + ret = regmap_init_mem(mpmu_args.node, &lock_regmap); + if (ret) + return ret; + } + + data = (struct spacemit_ccu_data *)dev_get_driver_data(dev); + + ret = k1_clk_register(dev, base_regmap, lock_regmap, data); + if (ret) + return -EPROBE_DEFER; + + return 0; +} + +static int k1_mpmu_clk_probe(struct udevice *dev) +{ + struct regmap *base_regmap, *lock_regmap = NULL; + const struct spacemit_ccu_data *data; + int ret; + + /* MPMU clocks parent off the PLL controller */ + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_pll_clk)); + if (ret) + return ret; + + ret = regmap_init_mem(dev_ofnode(dev), &base_regmap); + if (ret) + return ret; + + data = (struct spacemit_ccu_data *)dev_get_driver_data(dev); + + ret = k1_clk_register(dev, base_regmap, lock_regmap, data); + if (ret) + return -EPROBE_DEFER; + + return 0; +} + +static int k1_apmu_clk_probe(struct udevice *dev) +{ + struct regmap *base_regmap, *lock_regmap = NULL; + const struct spacemit_ccu_data *data; + int ret; + + /* APMU clocks parent off the PLL and MPMU controllers */ + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_pll_clk)); + if (ret) + return ret; + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_mpmu_clk)); + if (ret) + return ret; + + ret = regmap_init_mem(dev_ofnode(dev), &base_regmap); + if (ret) + return ret; + + data = (struct spacemit_ccu_data *)dev_get_driver_data(dev); + + ret = k1_clk_register(dev, base_regmap, lock_regmap, data); + if (ret) + return -EPROBE_DEFER; + + return 0; +} + +static int k1_apbc_clk_probe(struct udevice *dev) +{ + struct regmap *base_regmap, *lock_regmap = NULL; + const struct spacemit_ccu_data *data; + int ret; + + /* APBC clocks parent off the PLL, MPMU and APMU controllers */ + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_pll_clk)); + if (ret) + return ret; + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_mpmu_clk)); + if (ret) + return ret; + ret = k1_clk_force_probe(DM_DRIVER_GET(k1_apmu_clk)); + if (ret) + return ret; + + ret = regmap_init_mem(dev_ofnode(dev), &base_regmap); + if (ret) + return ret; + + data = (struct spacemit_ccu_data *)dev_get_driver_data(dev); + + ret = k1_clk_register(dev, base_regmap, lock_regmap, data); + if (ret) + return -EPROBE_DEFER; + + return 0; +} + +static int k1_pll_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + if (args->args_count > 1) { + debug("Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + if (args->args_count) + clk->id = K1_PLL_ID + args->args[0]; + else + clk->id = K1_PLL_ID; + + return 0; +} + +static int k1_mpmu_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + if (args->args_count > 1) { + debug("Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + if (args->args_count) + clk->id = K1_MPMU_ID + args->args[0]; + else + clk->id = K1_MPMU_ID; + + return 0; +} + +static int k1_apbc_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + if (args->args_count > 1) { + debug("Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + if (args->args_count) + clk->id = K1_APBC_ID + args->args[0]; + else + clk->id = K1_APBC_ID; + + return 0; +} + +static int k1_apmu_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + if (args->args_count > 1) { + debug("Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + if (args->args_count) + clk->id = K1_APMU_ID + args->args[0]; + else + clk->id = K1_APMU_ID; + + return 0; +} + +static const struct udevice_id k1_pll_clk_match[] = { + { .compatible = "spacemit,k1-pll", + .data = (ulong)&k1_ccu_pll_data }, + { /* sentinel */ }, +}; + +K1_CLK_OPS(pll); + +U_BOOT_DRIVER(k1_pll_clk) = { + .name = "k1_pll_clk", + .id = UCLASS_CLK, + .of_match = k1_pll_clk_match, + .probe = k1_pll_clk_probe, + .ops = &k1_pll_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static int k1_mpmu_clk_bind(struct udevice *dev) +{ + return spacemit_k1_reset_bind(dev, SPACEMIT_K1_RESET_MPMU); +} + +static int k1_apbc_clk_bind(struct udevice *dev) +{ + return spacemit_k1_reset_bind(dev, SPACEMIT_K1_RESET_APBC); +} + +static int k1_apmu_clk_bind(struct udevice *dev) +{ + return spacemit_k1_reset_bind(dev, SPACEMIT_K1_RESET_APMU); +} + +static int k1_apbc2_clk_bind(struct udevice *dev) +{ + return spacemit_k1_reset_bind(dev, SPACEMIT_K1_RESET_APBC2); +} + +static const struct udevice_id k1_mpmu_clk_match[] = { + { .compatible = "spacemit,k1-syscon-mpmu", + .data = (ulong)&k1_ccu_mpmu_data }, + { /* sentinel */ }, +}; + +K1_CLK_OPS(mpmu); + +U_BOOT_DRIVER(k1_mpmu_clk) = { + .name = "k1_mpmu_clk", + .id = UCLASS_CLK, + .of_match = k1_mpmu_clk_match, + .bind = k1_mpmu_clk_bind, + .probe = k1_mpmu_clk_probe, + .ops = &k1_mpmu_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static const struct udevice_id k1_apbc_clk_match[] = { + { .compatible = "spacemit,k1-syscon-apbc", + .data = (ulong)&k1_ccu_apbc_data }, + { /* sentinel */ }, +}; + +K1_CLK_OPS(apbc); + +U_BOOT_DRIVER(k1_apbc_clk) = { + .name = "k1_apbc_clk", + .id = UCLASS_CLK, + .of_match = k1_apbc_clk_match, + .bind = k1_apbc_clk_bind, + .probe = k1_apbc_clk_probe, + .ops = &k1_apbc_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static const struct udevice_id k1_apmu_clk_match[] = { + { .compatible = "spacemit,k1-syscon-apmu", + .data = (ulong)&k1_ccu_apmu_data }, + { /* sentinel */ }, +}; + +K1_CLK_OPS(apmu); + +U_BOOT_DRIVER(k1_apmu_clk) = { + .name = "k1_apmu_clk", + .id = UCLASS_CLK, + .of_match = k1_apmu_clk_match, + .bind = k1_apmu_clk_bind, + .probe = k1_apmu_clk_probe, + .ops = &k1_apmu_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static const struct udevice_id k1_apbc2_clk_match[] = { + { .compatible = "spacemit,k1-syscon-apbc2" }, + { /* sentinel */ }, +}; + +U_BOOT_DRIVER(k1_apbc2_clk) = { + .name = "k1_apbc2_clk", + .id = UCLASS_CLK, + .of_match = k1_apbc2_clk_match, + .bind = k1_apbc2_clk_bind, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/spacemit/clk_common.h b/drivers/clk/spacemit/clk_common.h new file mode 100644 index 00000000000..ea5ebf57784 --- /dev/null +++ b/drivers/clk/spacemit/clk_common.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + * + * Authors: Haylen Chu <[email protected]> + */ + +#ifndef _CLK_COMMON_H_ +#define _CLK_COMMON_H_ + +#include <linux/clk-provider.h> + +struct ccu_common; + +typedef int (*ccu_init_fn)(struct ccu_common *common); + +struct ccu_common { + struct regmap *regmap; + struct regmap *lock_regmap; + const char *name; + const char * const *parents; + size_t num_parents; + ccu_init_fn init; + + union { + /* For DDN and MIX */ + struct { + u32 reg_ctrl; + u32 reg_fc; + u32 mask_fc; + }; + + /* For PLL */ + struct { + u32 reg_swcr1; + u32 reg_swcr3; + }; + }; + + struct clk clk; +}; + +#define CCU_COMMON(_id, _name, _parent, _init, _flags) \ + .name = #_name, \ + .parents = (const char *[]) { _parent }, \ + .num_parents = 1, \ + .init = _init, \ + .clk = { .flags = _flags, .id = _id, } \ + +#define CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, _init, _flags) \ + .name = #_name, \ + .parents = _parents, \ + .num_parents = _num_p, \ + .init = _init, \ + .clk = { .flags = _flags, .id = _id, } \ + +static inline struct ccu_common *clk_to_ccu_common(struct clk *clk) +{ + return container_of(clk, struct ccu_common, clk); +} + +#define ccu_read(c, reg) \ + ({ \ + struct ccu_common * const __ccu = (c); \ + u32 tmp; \ + regmap_read(__ccu->regmap, __ccu->reg_##reg, &tmp); \ + tmp; \ + }) +#define ccu_update(c, reg, mask, val) \ + ({ \ + struct ccu_common * const __ccu = (c); \ + regmap_update_bits(__ccu->regmap, __ccu->reg_##reg, \ + mask, val); \ + }) + +#endif /* _CLK_COMMON_H_ */ diff --git a/drivers/clk/spacemit/clk_ddn.c b/drivers/clk/spacemit/clk_ddn.c new file mode 100644 index 00000000000..7b93f30d5c3 --- /dev/null +++ b/drivers/clk/spacemit/clk_ddn.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Authors: Haylen Chu <[email protected]> + * + * DDN stands for "Divider Denominator Numerator", it's M/N clock with a + * constant x2 factor. This clock hardware follows the equation below, + * + * numerator Fin + * 2 * ------------- = ------- + * denominator Fout + * + * Thus, Fout could be calculated with, + * + * Fin denominator + * Fout = ----- * ------------- + * 2 numerator + */ + +#include <dm/device.h> +#include <regmap.h> +#include <linux/clk-provider.h> +#include <linux/rational.h> + +#include "clk_ddn.h" + +#define UBOOT_DM_SPACEMIT_CLK_DDN "spacemit_clk_ddn" + +static unsigned long ccu_ddn_calc_rate(unsigned long prate, unsigned long num, + unsigned long den, unsigned int pre_div) +{ + return prate * den / pre_div / num; +} + +static unsigned long ccu_ddn_calc_best_rate(struct ccu_ddn *ddn, + unsigned long rate, unsigned long prate, + unsigned long *num, unsigned long *den) +{ + rational_best_approximation(rate, prate / ddn->pre_div, + ddn->den_mask >> ddn->den_shift, + ddn->num_mask >> ddn->num_shift, + den, num); + return ccu_ddn_calc_rate(prate, *num, *den, ddn->pre_div); +} + +static unsigned long ccu_ddn_recalc_rate(struct clk *clk) +{ + struct ccu_ddn *ddn = clk_to_ccu_ddn(clk); + unsigned int val, num, den; + + val = ccu_read(&ddn->common, ctrl); + + num = (val & ddn->num_mask) >> ddn->num_shift; + den = (val & ddn->den_mask) >> ddn->den_shift; + + return ccu_ddn_calc_rate(clk_get_parent_rate(clk), num, den, ddn->pre_div); +} + +static unsigned long ccu_ddn_set_rate(struct clk *clk, unsigned long rate) +{ + struct ccu_ddn *ddn = clk_to_ccu_ddn(clk); + unsigned long num, den; + + ccu_ddn_calc_best_rate(ddn, rate, clk_get_parent_rate(clk), &num, &den); + + ccu_update(&ddn->common, ctrl, + ddn->num_mask | ddn->den_mask, + (num << ddn->num_shift) | (den << ddn->den_shift)); + + return 0; +} + +static const struct clk_ops spacemit_clk_ddn_ops = { + .get_rate = ccu_ddn_recalc_rate, + .set_rate = ccu_ddn_set_rate, +}; + +int spacemit_ddn_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_DDN, + common->name, common->parents[0]); +} + +U_BOOT_DRIVER(spacemit_clk_ddn) = { + .name = UBOOT_DM_SPACEMIT_CLK_DDN, + .id = UCLASS_CLK, + .ops = &spacemit_clk_ddn_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/spacemit/clk_ddn.h b/drivers/clk/spacemit/clk_ddn.h new file mode 100644 index 00000000000..1330ced23b1 --- /dev/null +++ b/drivers/clk/spacemit/clk_ddn.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + * + * Authors: Haylen Chu <[email protected]> + */ + +#ifndef _CLK_DDN_H_ +#define _CLK_DDN_H_ + +#include <linux/clk-provider.h> + +#include "clk_common.h" + +struct ccu_ddn { + struct ccu_common common; + unsigned int num_mask; + unsigned int num_shift; + unsigned int den_mask; + unsigned int den_shift; + unsigned int pre_div; +}; + +#define CCU_DDN_MASK(_num_shift, _num_width) \ + GENMASK((_num_shift) + (_num_width) - 1, _num_shift) + +#define CCU_DDN_DEFINE(_id, _var, _name, _parent, _reg_ctrl, _num_mask, \ + _num_shift, _den_mask, _den_shift, _pre_div, _flags) \ +static struct ccu_ddn _var = { \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON(_id, _name, _parent, spacemit_ddn_init, _flags) \ + }, \ + .num_mask = _num_mask, \ + .num_shift = _num_shift, \ + .den_mask = _den_mask, \ + .den_shift = _den_shift, \ + .pre_div = _pre_div, \ +} + +static inline struct ccu_ddn *clk_to_ccu_ddn(struct clk *clk) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + + return container_of(common, struct ccu_ddn, common); +} + +int spacemit_ddn_init(struct ccu_common *common); + +#endif /* _CLK_DDN_H_ */ diff --git a/drivers/clk/spacemit/clk_mix.c b/drivers/clk/spacemit/clk_mix.c new file mode 100644 index 00000000000..a1158512a92 --- /dev/null +++ b/drivers/clk/spacemit/clk_mix.c @@ -0,0 +1,403 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Authors: Haylen Chu <[email protected]> + * + * MIX clock type is the combination of mux, factor or divider, and gate + */ + +#include <dm/device.h> +#include <dm/uclass.h> +#include <div64.h> +#include <regmap.h> +#include <linux/clk-provider.h> +#include <linux/kernel.h> + +#include "clk_mix.h" + +#define UBOOT_DM_SPACEMIT_CLK_GATE "spacemit_clk_gate" +#define UBOOT_DM_SPACEMIT_CLK_FACTOR "spacemit_clk_factor" +#define UBOOT_DM_SPACEMIT_CLK_MUX "spacemit_clk_mux" +#define UBOOT_DM_SPACEMIT_CLK_DIV "spacemit_clk_div" +#define UBOOT_DM_SPACEMIT_CLK_FACTOR_GATE "spacemit_clk_factor_gate" +#define UBOOT_DM_SPACEMIT_CLK_MUX_GATE "spacemit_clk_mux_gate" +#define UBOOT_DM_SPACEMIT_CLK_DIV_GATE "spacemit_clk_div_gate" +#define UBOOT_DM_SPACEMIT_CLK_MUX_DIV "spacemit_clk_mux_div" +#define UBOOT_DM_SPACEMIT_CLK_MUX_DIV_GATE "spacemit_clk_mux_div_gate" + +#define MIX_FC_TIMEOUT_US 10000 +#define MIX_FC_DELAY_US 5 + +int ccu_gate_disable(struct clk *clk) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + + ccu_update(&mix->common, ctrl, mix->gate.mask, 0); + + return 0; +} + +int ccu_gate_enable(struct clk *clk) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + struct ccu_gate_config *gate = &mix->gate; + + ccu_update(&mix->common, ctrl, gate->mask, gate->mask); + + return 0; +} + +static unsigned long ccu_factor_recalc_rate(struct clk *clk) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + + return clk_get_parent_rate(clk) * mix->factor.mul / mix->factor.div; +} + +static unsigned long ccu_div_recalc_rate(struct clk *clk) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + struct ccu_div_config *div = &mix->div; + unsigned long val; + + val = ccu_read(&mix->common, ctrl) >> div->shift; + val &= (1 << div->width) - 1; + + return divider_recalc_rate(clk, clk_get_parent_rate(clk), val, NULL, 0, div->width); +} + +/* + * Some clocks require a "FC" (frequency change) bit to be set after changing + * their rates or reparenting. This bit will be automatically cleared by + * hardware in MIX_FC_TIMEOUT_US, which indicates the operation is completed. + */ +static int ccu_mix_trigger_fc(struct clk *clk) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + unsigned int val; + + if (common->reg_fc) + return 0; + + ccu_update(common, fc, common->mask_fc, common->mask_fc); + + return regmap_read_poll_timeout(common->regmap, common->reg_fc, + val, !(val & common->mask_fc), + MIX_FC_DELAY_US, + MIX_FC_TIMEOUT_US); +} + +static unsigned long +ccu_mix_calc_best_rate(struct clk *clk, unsigned long rate, + struct clk **best_parent, + unsigned long *best_parent_rate, + u32 *div_val) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + struct ccu_mix *mix = clk_to_ccu_mix(clk); + unsigned int parent_num = common->num_parents; + struct ccu_div_config *div = &mix->div; + u32 div_max = 1 << div->width; + unsigned long best_rate = 0; + + for (int i = 0; i < parent_num; i++) { + struct udevice *parent_dev; + unsigned long parent_rate; + struct clk *parent; + + if (uclass_get_device_by_name(UCLASS_CLK, common->parents[i], + &parent_dev)) + continue; + parent = dev_get_clk_ptr(parent_dev); + if (!parent) + continue; + + parent_rate = clk_get_rate(parent); + + for (int j = 1; j <= div_max; j++) { + unsigned long tmp = DIV_ROUND_CLOSEST_ULL(parent_rate, j); + + if (abs(tmp - rate) < abs(best_rate - rate)) { + best_rate = tmp; + + if (div_val) + *div_val = j - 1; + + if (best_parent) { + *best_parent = parent; + *best_parent_rate = parent_rate; + } + } + } + } + + return best_rate; +} + +static unsigned long ccu_mix_set_rate(struct clk *clk, unsigned long rate) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + struct ccu_common *common = &mix->common; + struct ccu_div_config *div = &mix->div; + u32 current_div, target_div, mask; + + ccu_mix_calc_best_rate(clk, rate, NULL, NULL, &target_div); + + current_div = ccu_read(common, ctrl) >> div->shift; + current_div &= (1 << div->width) - 1; + + if (current_div == target_div) + return 0; + + mask = GENMASK(div->width + div->shift - 1, div->shift); + + ccu_update(common, ctrl, mask, target_div << div->shift); + + return ccu_mix_trigger_fc(clk); +} + +static u8 ccu_mux_get_parent(struct clk *clk) +{ + struct ccu_mix *mix = clk_to_ccu_mix(clk); + struct ccu_mux_config *mux = &mix->mux; + u8 parent; + + parent = ccu_read(&mix->common, ctrl) >> mux->shift; + parent &= (1 << mux->width) - 1; + + return parent; +} + +static int ccu_mux_set_parent(struct clk *clk, struct clk *parent) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + struct ccu_mix *mix = clk_to_ccu_mix(clk); + struct ccu_mux_config *mux = &mix->mux; + u32 mask; + int i = 0; + + mask = GENMASK(mux->width + mux->shift - 1, mux->shift); + + for (i = 0; i < common->num_parents; i++) { + if (!strcmp(parent->dev->name, common->parents[i])) + break; + } + + if (i == common->num_parents) + return -EINVAL; + + ccu_update(&mix->common, ctrl, mask, i << mux->shift); + + return ccu_mix_trigger_fc(clk); +} + +int spacemit_gate_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_GATE, + common->name, common->parents[0]); +} + +static const struct clk_ops spacemit_clk_gate_ops = { + .disable = ccu_gate_disable, + .enable = ccu_gate_enable, + .get_rate = clk_generic_get_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_gate) = { + .name = UBOOT_DM_SPACEMIT_CLK_GATE, + .id = UCLASS_CLK, + .ops = &spacemit_clk_gate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_factor_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_FACTOR, + common->name, common->parents[0]); +} + +static const struct clk_ops spacemit_clk_factor_ops = { + .get_rate = ccu_factor_recalc_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_factor) = { + .name = UBOOT_DM_SPACEMIT_CLK_FACTOR, + .id = UCLASS_CLK, + .ops = &spacemit_clk_factor_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_mux_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + u8 index; + + index = ccu_mux_get_parent(clk); + if (index >= common->num_parents) + index = 0; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_MUX, + common->name, common->parents[index]); +} + +static const struct clk_ops spacemit_clk_mux_ops = { + .set_parent = ccu_mux_set_parent, + .get_rate = clk_generic_get_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_mux) = { + .name = UBOOT_DM_SPACEMIT_CLK_MUX, + .id = UCLASS_CLK, + .ops = &spacemit_clk_mux_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_div_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_DIV, + common->name, common->parents[0]); +} + +static const struct clk_ops spacemit_clk_div_ops = { + .get_rate = ccu_div_recalc_rate, + .set_rate = ccu_mix_set_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_div) = { + .name = UBOOT_DM_SPACEMIT_CLK_DIV, + .id = UCLASS_CLK, + .ops = &spacemit_clk_div_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_factor_gate_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_FACTOR_GATE, + common->name, common->parents[0]); +} + +static const struct clk_ops spacemit_clk_factor_gate_ops = { + .disable = ccu_gate_disable, + .enable = ccu_gate_enable, + .get_rate = ccu_factor_recalc_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_factor_gate) = { + .name = UBOOT_DM_SPACEMIT_CLK_FACTOR_GATE, + .id = UCLASS_CLK, + .ops = &spacemit_clk_factor_gate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_mux_gate_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + u8 index; + + index = ccu_mux_get_parent(clk); + if (index >= common->num_parents) + index = 0; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_MUX_GATE, + common->name, common->parents[index]); +} + +static const struct clk_ops spacemit_clk_mux_gate_ops = { + .disable = ccu_gate_disable, + .enable = ccu_gate_enable, + .set_parent = ccu_mux_set_parent, + .get_rate = clk_generic_get_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_mux_gate) = { + .name = UBOOT_DM_SPACEMIT_CLK_MUX_GATE, + .id = UCLASS_CLK, + .ops = &spacemit_clk_mux_gate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_div_gate_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_DIV_GATE, + common->name, common->parents[0]); +} + +static const struct clk_ops spacemit_clk_div_gate_ops = { + .disable = ccu_gate_disable, + .enable = ccu_gate_enable, + .get_rate = ccu_div_recalc_rate, + .set_rate = ccu_mix_set_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_div_gate) = { + .name = UBOOT_DM_SPACEMIT_CLK_DIV_GATE, + .id = UCLASS_CLK, + .ops = &spacemit_clk_div_gate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_mux_div_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + u8 index; + + index = ccu_mux_get_parent(clk); + if (index >= common->num_parents) + index = 0; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_MUX_DIV, + common->name, common->parents[index]); +} + +static const struct clk_ops spacemit_clk_mux_div_ops = { + .set_parent = ccu_mux_set_parent, + .get_rate = ccu_div_recalc_rate, + .set_rate = ccu_mix_set_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_mux_div) = { + .name = UBOOT_DM_SPACEMIT_CLK_MUX_DIV, + .id = UCLASS_CLK, + .ops = &spacemit_clk_mux_div_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_mux_div_gate_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + u8 index; + + index = ccu_mux_get_parent(clk); + if (index >= common->num_parents) + index = 0; + + return clk_register(clk, UBOOT_DM_SPACEMIT_CLK_MUX_DIV_GATE, + common->name, common->parents[index]); +} + +static const struct clk_ops spacemit_clk_mux_div_gate_ops = { + .disable = ccu_gate_disable, + .enable = ccu_gate_enable, + .set_parent = ccu_mux_set_parent, + .get_rate = ccu_div_recalc_rate, + .set_rate = ccu_mix_set_rate, +}; + +U_BOOT_DRIVER(spacemit_clk_mux_div_gate) = { + .name = UBOOT_DM_SPACEMIT_CLK_MUX_DIV_GATE, + .id = UCLASS_CLK, + .ops = &spacemit_clk_mux_div_gate_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/spacemit/clk_mix.h b/drivers/clk/spacemit/clk_mix.h new file mode 100644 index 00000000000..26a12cedd0d --- /dev/null +++ b/drivers/clk/spacemit/clk_mix.h @@ -0,0 +1,224 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + * + * Authors: Haylen Chu <[email protected]> + */ + +#ifndef _CLK_MIX_H_ +#define _CLK_MIX_H_ + +#include <linux/clk-provider.h> + +#include "clk_common.h" + +/** + * struct ccu_gate_config - Gate configuration + * + * @mask: Mask to enable the gate. Some clocks may have more than one bit + * set in this field. + */ +struct ccu_gate_config { + u32 mask; +}; + +struct ccu_factor_config { + u32 div; + u32 mul; +}; + +struct ccu_mux_config { + u8 shift; + u8 width; +}; + +struct ccu_div_config { + u8 shift; + u8 width; +}; + +struct ccu_mix { + struct ccu_factor_config factor; + struct ccu_gate_config gate; + struct ccu_div_config div; + struct ccu_mux_config mux; + struct ccu_common common; +}; + +#define CCU_GATE_INIT(_mask) { .mask = _mask } +#define CCU_FACTOR_INIT(_div, _mul) { .div = _div, .mul = _mul } +#define CCU_MUX_INIT(_shift, _width) { .shift = _shift, .width = _width } +#define CCU_DIV_INIT(_shift, _width) { .shift = _shift, .width = _width } + +#define CCU_GATE_DEFINE(_id, _var, _name, _parent, _reg_ctrl, \ + _mask_gate, _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON(_id, _name, _parent, spacemit_gate_init, \ + _flags) \ + } \ +} + +#define CCU_FACTOR_DEFINE(_id, _var, _name, _parent, _div, _mul) \ +static struct ccu_mix _var = { \ + .factor = CCU_FACTOR_INIT(_div, _mul), \ + .common = { \ + CCU_COMMON(_id, _name, _parent, spacemit_factor_init, \ + 0) \ + } \ +} + +#define CCU_MUX_DEFINE(_id, _var, _name, _parents, _num_p, _reg_ctrl, \ + _shift, _width, _flags) \ +static struct ccu_mix _var = { \ + .mux = CCU_MUX_INIT(_shift, _width), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_init, _flags) \ + } \ +} + +#define CCU_DIV_DEFINE(_id, _var, _name, _parent, _reg_ctrl, _shift, \ + _width, _flags) \ +static struct ccu_mix _var = { \ + .div = CCU_DIV_INIT(_shift, _width), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON(_id, _name, _parent, spacemit_div_init, \ + _flags) \ + } \ +} + +#define CCU_FACTOR_GATE_FLAGS_DEFINE(_id, _var, _name, _parent, \ + _reg_ctrl, _mask_gate, _div, _mul, \ + _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .factor = CCU_FACTOR_INIT(_div, _mul), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON(_id, _name, _parent, \ + spacemit_factor_gate_init, _flags) \ + } \ +} + +#define CCU_FACTOR_GATE_DEFINE(_id, _var, _name, _parent, _reg_ctrl, \ + _mask_gate, _div, _mul) \ + CCU_FACTOR_GATE_FLAGS_DEFINE(_id, _var, _name, _parent, \ + _reg_ctrl, _mask_gate, _div, _mul, \ + 0) + +#define CCU_MUX_GATE_DEFINE(_id, _var, _name, _parents, _num_p, \ + _reg_ctrl, _shift, _width, _mask_gate, \ + _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .mux = CCU_MUX_INIT(_shift, _width), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_gate_init, _flags) \ + } \ +} + +#define CCU_DIV_GATE_DEFINE(_id, _var, _name, _parent, _reg_ctrl, \ + _shift, _width, _mask_gate, _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .div = CCU_DIV_INIT(_shift, _width), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON(_id, _name, _parent, \ + spacemit_div_gate_init, _flags) \ + } \ +} + +#define CCU_MUX_DIV_GATE_DEFINE(_id, _var, _name, _parents, _num_p, \ + _reg_ctrl, _mshift, _mwidth, _muxshift, \ + _muxwidth, _mask_gate, _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .div = CCU_DIV_INIT(_mshift, _mwidth), \ + .mux = CCU_MUX_INIT(_muxshift, _muxwidth), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_div_gate_init, _flags) \ + }, \ +} + +#define CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(_id, _var, _name, _parents, \ + _num_p, _reg_ctrl, _reg_fc, \ + _mshift, _mwidth, _mask_fc, \ + _muxshift, _muxwidth, \ + _mask_gate, _flags) \ +static struct ccu_mix _var = { \ + .gate = CCU_GATE_INIT(_mask_gate), \ + .div = CCU_DIV_INIT(_mshift, _mwidth), \ + .mux = CCU_MUX_INIT(_muxshift, _muxwidth), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + .reg_fc = _reg_fc, \ + .mask_fc = _mask_fc, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_div_gate_init, _flags) \ + }, \ +} + +#define CCU_MUX_DIV_FC_DEFINE(_id, _var, _name, _parents, _num_p, \ + _reg_ctrl, _reg_fc, _mshift, _mwidth, \ + _mask_fc, _muxshift, _muxwidth, _flags) \ +static struct ccu_mix _var = { \ + .div = CCU_DIV_INIT(_mshift, _mwidth), \ + .mux = CCU_MUX_INIT(_muxshift, _muxwidth), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + .reg_fc = _reg_fc, \ + .mask_fc = _mask_fc, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_div_init, _flags) \ + }, \ +} + +#define CCU_MUX_FC_DEFINE(_id, _var, _name, _parents, _num_p, \ + _reg_ctrl, _reg_fc, _mask_fc, _muxshift, \ + _muxwidth, _flags) \ +static struct ccu_mix _var = { \ + .mux = CCU_MUX_INIT(_muxshift, _muxwidth), \ + .common = { \ + .reg_ctrl = _reg_ctrl, \ + .reg_fc = _reg_fc, \ + .mask_fc = _mask_fc, \ + CCU_COMMON_PARENTS(_id, _name, _parents, _num_p, \ + spacemit_mux_init, \ + _flags) \ + }, \ +} + +static inline struct ccu_mix *clk_to_ccu_mix(struct clk *clk) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + + return container_of(common, struct ccu_mix, common); +} + +int ccu_gate_enable(struct clk *clk); +int ccu_gate_disable(struct clk *clk); + +int spacemit_gate_init(struct ccu_common *common); +int spacemit_factor_init(struct ccu_common *common); +int spacemit_mux_init(struct ccu_common *common); +int spacemit_div_init(struct ccu_common *common); +int spacemit_factor_gate_init(struct ccu_common *common); +int spacemit_div_gate_init(struct ccu_common *common); +int spacemit_mux_gate_init(struct ccu_common *common); +int spacemit_mux_div_init(struct ccu_common *common); +int spacemit_mux_div_gate_init(struct ccu_common *common); + +#endif /* _CLK_MIX_H_ */ diff --git a/drivers/clk/spacemit/clk_pll.c b/drivers/clk/spacemit/clk_pll.c new file mode 100644 index 00000000000..56da70af58a --- /dev/null +++ b/drivers/clk/spacemit/clk_pll.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Authors: Haylen Chu <[email protected]> + */ + +#include <dm/device.h> +#include <regmap.h> +#include <linux/bug.h> +#include <linux/clk-provider.h> + +#include "clk_pll.h" + +#define UBOOT_DM_SPACEMIT_CLK_PLL "spacemit_clk_pll" + +#define PLL_TIMEOUT_US 3000 +#define PLL_DELAY_US 5 + +#define PLL_SWCR3_EN ((u32)BIT(31)) +#define PLL_SWCR3_MASK GENMASK(30, 0) + +static const struct ccu_pll_rate_tbl *ccu_pll_lookup_best_rate(struct ccu_pll *pll, + unsigned long rate) +{ + struct ccu_pll_config *config = &pll->config; + const struct ccu_pll_rate_tbl *best_entry; + unsigned long best_delta = ULONG_MAX; + int i; + + for (i = 0; i < config->tbl_num; i++) { + const struct ccu_pll_rate_tbl *entry = &config->rate_tbl[i]; + unsigned long delta = abs(entry->rate - rate); + + if (delta < best_delta) { + best_delta = delta; + best_entry = entry; + } + } + + return best_entry; +} + +static const struct ccu_pll_rate_tbl *ccu_pll_lookup_matched_entry(struct ccu_pll *pll) +{ + struct ccu_pll_config *config = &pll->config; + u32 swcr1, swcr3; + int i; + + swcr1 = ccu_read(&pll->common, swcr1); + swcr3 = ccu_read(&pll->common, swcr3); + swcr3 &= PLL_SWCR3_MASK; + + for (i = 0; i < config->tbl_num; i++) { + const struct ccu_pll_rate_tbl *entry = &config->rate_tbl[i]; + + if (swcr1 == entry->swcr1 && swcr3 == entry->swcr3) + return entry; + } + + return NULL; +} + +static void ccu_pll_update_param(struct ccu_pll *pll, const struct ccu_pll_rate_tbl *entry) +{ + struct ccu_common *common = &pll->common; + + regmap_write(common->regmap, common->reg_swcr1, entry->swcr1); + ccu_update(common, swcr3, PLL_SWCR3_MASK, entry->swcr3); +} + +static int ccu_pll_enable(struct clk *clk) +{ + struct ccu_pll *pll = clk_to_ccu_pll(clk); + struct ccu_common *common = &pll->common; + unsigned int tmp; + + ccu_update(common, swcr3, PLL_SWCR3_EN, PLL_SWCR3_EN); + + /* check lock status */ + return regmap_read_poll_timeout(common->lock_regmap, + pll->config.reg_lock, + tmp, + tmp & pll->config.mask_lock, + PLL_DELAY_US, PLL_TIMEOUT_US); +} + +static int ccu_pll_disable(struct clk *clk) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + + ccu_update(common, swcr3, PLL_SWCR3_EN, 0); + + return 0; +} + +/* + * PLLs must be gated before changing rate, which is ensured by + * flag CLK_SET_RATE_GATE. + */ +static unsigned long ccu_pll_set_rate(struct clk *clk, unsigned long rate) +{ + struct ccu_pll *pll = clk_to_ccu_pll(clk); + const struct ccu_pll_rate_tbl *entry; + + entry = ccu_pll_lookup_best_rate(pll, rate); + ccu_pll_update_param(pll, entry); + + return 0; +} + +static unsigned long ccu_pll_recalc_rate(struct clk *clk) +{ + struct ccu_pll *pll = clk_to_ccu_pll(clk); + const struct ccu_pll_rate_tbl *entry; + + entry = ccu_pll_lookup_matched_entry(pll); + + WARN_ON_ONCE(!entry); + + return entry ? entry->rate : 0; +} + +static const struct clk_ops spacemit_clk_pll_ops = { + .enable = ccu_pll_enable, + .disable = ccu_pll_disable, + .set_rate = ccu_pll_set_rate, + .get_rate = ccu_pll_recalc_rate, +}; + +int spacemit_pll_init(struct ccu_common *common) +{ + struct clk *clk = &common->clk; + struct ccu_pll *pll = clk_to_ccu_pll(clk); + int ret; + + ret = clk_register(clk, UBOOT_DM_SPACEMIT_CLK_PLL, + common->name, common->parents[0]); + if (ret) + return ret; + + if (ccu_pll_lookup_matched_entry(pll)) + return 0; + + ccu_pll_disable(clk); + ccu_pll_update_param(pll, &pll->config.rate_tbl[0]); + + return 0; +} + +U_BOOT_DRIVER(spacemit_clk_pll) = { + .name = UBOOT_DM_SPACEMIT_CLK_PLL, + .id = UCLASS_CLK, + .ops = &spacemit_clk_pll_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/spacemit/clk_pll.h b/drivers/clk/spacemit/clk_pll.h new file mode 100644 index 00000000000..3987cc1141b --- /dev/null +++ b/drivers/clk/spacemit/clk_pll.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2024 SpacemiT Technology Co. Ltd + * Copyright (c) 2024-2025 Haylen Chu <[email protected]> + * Copyright (c) 2025 Junhui Liu <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + * + * Authors: Haylen Chu <[email protected]> + */ + +#ifndef _CLK_PLL_H_ +#define _CLK_PLL_H_ + +#include <linux/clk-provider.h> + +#include "clk_common.h" + +/** + * struct ccu_pll_rate_tbl - Structure mapping between PLL rate and register + * configuration. + * + * @rate: PLL rate + * @swcr1: Register value of PLLX_SW1_CTRL (PLLx_SWCR1). + * @swcr3: Register value of the PLLx_SW3_CTRL's lowest 31 bits of + * PLLx_SW3_CTRL (PLLx_SWCR3). This highest bit is for enabling + * the PLL and not contained in this field. + */ +struct ccu_pll_rate_tbl { + unsigned long rate; + u32 swcr1; + u32 swcr3; +}; + +#define CCU_PLL_RATE(_rate, _swcr1, _swcr3) \ + { \ + .rate = _rate, \ + .swcr1 = _swcr1, \ + .swcr3 = _swcr3, \ + } + +struct ccu_pll_config { + const struct ccu_pll_rate_tbl *rate_tbl; + u32 tbl_num; + u32 reg_lock; + u32 mask_lock; +}; + +struct ccu_pll { + struct ccu_common common; + struct ccu_pll_config config; +}; + +#define CCU_PLL_CONFIG(_table, _reg_lock, _mask_lock) \ + { \ + .rate_tbl = (_table), \ + .tbl_num = sizeof(_table) / sizeof((_table)[0]), \ + .reg_lock = (_reg_lock), \ + .mask_lock = (_mask_lock), \ + } + +#define CCU_PLL_DEFINE(_id, _var, _name, _parent, _table, _reg_swcr1, \ + _reg_swcr3, _reg_lock, _mask_lock, _flags) \ +static struct ccu_pll _var = { \ + .config = CCU_PLL_CONFIG(_table, _reg_lock, _mask_lock), \ + .common = { \ + .reg_swcr1 = _reg_swcr1, \ + .reg_swcr3 = _reg_swcr3, \ + CCU_COMMON(_id, _name, _parent, spacemit_pll_init, _flags) \ + } \ +} + +static inline struct ccu_pll *clk_to_ccu_pll(struct clk *clk) +{ + struct ccu_common *common = clk_to_ccu_common(clk); + + return container_of(common, struct ccu_pll, common); +} + +int spacemit_pll_init(struct ccu_common *common); + +#endif /* _CLK_PLL_H_ */ diff --git a/drivers/clk/ti/clk-ctrl.c b/drivers/clk/ti/clk-ctrl.c index 08f7410edce..e3564277982 100644 --- a/drivers/clk/ti/clk-ctrl.c +++ b/drivers/clk/ti/clk-ctrl.c @@ -12,7 +12,7 @@ #include <asm/io.h> #include <linux/iopoll.h> -#define TRANSITION_TIMEOUT_US 10000 +#define LDELAY 1000000 struct clk_ti_ctrl_offs { fdt_addr_t start; @@ -39,30 +39,59 @@ static int clk_ti_ctrl_check_offs(struct clk *clk, fdt_addr_t offs) #define IDLEST_DISABLED (MODULE_CLKCTRL_IDLEST_DISABLED << MODULE_CLKCTRL_IDLEST_SHIFT) #define IDLEST_TRANSITION (MODULE_CLKCTRL_IDLEST_TRANSITIONING << MODULE_CLKCTRL_IDLEST_SHIFT) -static int clk_ti_ctrl_disable_clock_module(u32 addr) +static inline void wait_for_clk_disable(u32 addr) { - int val; + u32 bound = LDELAY; + int val = 0; + + while ((val & MODULE_CLKCTRL_IDLEST_MASK) != IDLEST_DISABLED) { + val = readl(addr); + + if (--bound == 0) { + printf("Clock disable failed for 0x%x idlest 0x%x\n", + addr, val); + return; + } + } +} +static int clk_ti_ctrl_disable_clock_module(u32 addr) +{ clrsetbits_le32(addr, MODULE_CLKCTRL_MODULEMODE_MASK, MODULE_CLKCTRL_MODULEMODE_SW_DISABLE << MODULE_CLKCTRL_MODULEMODE_SHIFT); - return readl_relaxed_poll_timeout(addr, val, - (val & MODULE_CLKCTRL_IDLEST_MASK) == IDLEST_DISABLED, - TRANSITION_TIMEOUT_US); + wait_for_clk_disable(addr); + + return 0; } -static int clk_ti_ctrl_enable_clock_module(u32 addr) +static inline void wait_for_clk_enable(u32 addr) { - int val; + int val = IDLEST_DISABLED; + u32 bound = LDELAY; + while (((val & MODULE_CLKCTRL_IDLEST_MASK) == IDLEST_DISABLED) || + ((val & MODULE_CLKCTRL_IDLEST_MASK) == IDLEST_TRANSITION)) { + val = readl(addr); + + if (--bound == 0) { + printf("Clock enable failed for 0x%x idlest 0x%x\n", + addr, val); + return; + } + } +} + +static int clk_ti_ctrl_enable_clock_module(u32 addr) +{ clrsetbits_le32(addr, MODULE_CLKCTRL_MODULEMODE_MASK, MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << MODULE_CLKCTRL_MODULEMODE_SHIFT); - return readl_relaxed_poll_timeout(addr, val, - ((val & MODULE_CLKCTRL_IDLEST_MASK) != IDLEST_DISABLED) && - ((val & MODULE_CLKCTRL_IDLEST_MASK) != IDLEST_TRANSITION), - TRANSITION_TIMEOUT_US); + + wait_for_clk_enable(addr); + + return 0; } static int clk_ti_ctrl_disable(struct clk *clk) diff --git a/drivers/core/device.c b/drivers/core/device.c index d365204ba11..6024534ff93 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -1147,6 +1147,8 @@ int device_set_name(struct udevice *dev, const char *name) name = strdup(name); if (!name) return -ENOMEM; + if (dev_get_flags(dev) & DM_FLAG_NAME_ALLOCED) + free((char *)dev->name); dev->name = name; device_set_name_alloced(dev); diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c index 969492aae37..f910cc9a31b 100644 --- a/drivers/core/of_access.c +++ b/drivers/core/of_access.c @@ -1071,7 +1071,7 @@ int of_add_subnode(struct device_node *parent, const char *name, int len, * make sure we don't use a child called "trevor" when we are * searching for "trev". */ - if (!strncmp(child->name, name, len) && strlen(name) == len) { + if (!strncmp(child->name, name, len) && strlen(child->name) == len) { *childp = child; return -EEXIST; } diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 1388b481031..b5d13c43db1 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -130,8 +130,10 @@ int oftree_new(oftree *treep) if (!fdt) return log_msg_ret("fla", -ENOMEM); ret = fdt_create_empty_tree(fdt, size); - if (ret) + if (ret) { + free(fdt); return log_msg_ret("fla", -EINVAL); + } oftree_list[oftree_count++] = fdt; tree.fdt = fdt; } diff --git a/drivers/core/tag.c b/drivers/core/tag.c index a3c5cb7e57c..78b5ee6dc07 100644 --- a/drivers/core/tag.c +++ b/drivers/core/tag.c @@ -46,7 +46,7 @@ int dev_tag_set_ptr(struct udevice *dev, enum dm_tag_t tag, void *ptr) return -EEXIST; } - node = calloc(sizeof(*node), 1); + node = calloc(1, sizeof(*node)); if (!node) return -ENOMEM; @@ -70,7 +70,7 @@ int dev_tag_set_val(struct udevice *dev, enum dm_tag_t tag, ulong val) return -EEXIST; } - node = calloc(sizeof(*node), 1); + node = calloc(1, sizeof(*node)); if (!node) return -ENOMEM; diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 75b35fbc5be..a11f3043670 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -449,6 +449,14 @@ config SANDBOX_GPIO_COUNT of 'anonymous' GPIOs that do not belong to any device or bank. Select a suitable value depending on your needs. +config SPACEMIT_GPIO + bool "Spacemit K1 GPIO driver" + depends on DM_GPIO && TARGET_SPACEMIT_K1 + help + Support the GPIO device in Spacemit SoCs. The GPIOs are arranged + into a number of banks (different for each SoC type) each with 32 + GPIOs. + config SUNXI_GPIO bool "Allwinner GPIO driver" depends on ARCH_SUNXI diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 863557e45ce..020e23c7252 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -66,6 +66,7 @@ obj-$(CONFIG_MVEBU_GPIO) += mvebu_gpio.o obj-$(CONFIG_MSM_GPIO) += msm_gpio.o obj-$(CONFIG_$(PHASE_)PCF8575_GPIO) += pcf8575_gpio.o obj-$(CONFIG_$(PHASE_)QCOM_PMIC_GPIO) += qcom_pmic_gpio.o qcom_spmi_gpio.o +obj-$(CONFIG_$(PHASE_)SPACEMIT_GPIO) += spacemit_gpio.o obj-$(CONFIG_MT7620_GPIO) += mt7620_gpio.o obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o diff --git a/drivers/gpio/spacemit_gpio.c b/drivers/gpio/spacemit_gpio.c new file mode 100644 index 00000000000..de71880df15 --- /dev/null +++ b/drivers/gpio/spacemit_gpio.c @@ -0,0 +1,253 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025-2026 RISCstar Ltd. + */ + +#include <asm/gpio.h> +#include <clk.h> +#include <dm/device.h> +#include <dm/device_compat.h> +#include <dm/pinctrl.h> +#include <dm/read.h> +#include <dm/uclass.h> +#include <linux/bitops.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <log.h> + +#define GPIO_BANK_SIZE 32 +#define GPIO_TO_BANK(pin) ((pin) / GPIO_BANK_SIZE) +#define GPIO_TO_BIT(pin) ((pin) % GPIO_BANK_SIZE) + +static inline int gpio_to_reg_offset(unsigned int pin) +{ + unsigned int bank = GPIO_TO_BANK(pin); + + if (bank == 0) + return 0; + else if (bank == 1) + return 4; + else if (bank == 2) + return 8; + else if (bank == 3) + return 0x100; + log_warning("Use default GPIO bank for an invalid GPIO[%d].\n", pin); + return 0; +} + +#define REG_PLR(pin) (0x00 + gpio_to_reg_offset(pin)) +#define REG_PDR(pin) (0x0c + gpio_to_reg_offset(pin)) +#define REG_PSR(pin) (0x18 + gpio_to_reg_offset(pin)) +#define REG_PCR(pin) (0x24 + gpio_to_reg_offset(pin)) +#define REG_SDR(pin) (0x54 + gpio_to_reg_offset(pin)) +#define REG_CDR(pin) (0x60 + gpio_to_reg_offset(pin)) + +struct spacemit_gpio_data { + u16 gpio_base; + u16 gpio_count; + u8 num_banks; +}; + +struct spacemit_gpio_priv { + void __iomem *regs; +}; + +static int spacemit_gpio_xlate(struct udevice *dev, struct gpio_desc *desc, + struct ofnode_phandle_args *args) +{ + struct spacemit_gpio_data *data; + u32 bank, offset, flags; + + data = (struct spacemit_gpio_data *)dev_get_driver_data(dev); + if (args->args_count < 3) { + dev_err(dev, "Invalid args count: %d, expected 3\n", + args->args_count); + return -EINVAL; + } + bank = args->args[0]; + offset = args->args[1]; + flags = args->args[2]; + + if (bank >= data->num_banks) { + dev_err(dev, "Invalid gpio bank: %u (max %u)\n", + bank, data->num_banks - 1); + return -EINVAL; + } + if (offset >= GPIO_BANK_SIZE) { + dev_err(dev, "Invalid offset: %u (max 31)\n", offset); + return -EINVAL; + } + desc->offset = bank * GPIO_BANK_SIZE + offset; + desc->flags = gpio_flags_xlate(flags); + return 0; +} + +static int spacemit_gpio_get_value(struct udevice *dev, unsigned int offset) +{ + struct spacemit_gpio_priv *priv = dev_get_priv(dev); + void __iomem *addr; + u32 value, mask; + + addr = priv->regs + REG_PLR(offset); + value = readl(addr); + mask = 1 << GPIO_TO_BIT(offset); + return !!(value & mask); +} + +static int spacemit_gpio_get_function(struct udevice *dev, unsigned int offset) +{ + struct spacemit_gpio_priv *priv = dev_get_priv(dev); + void __iomem *addr; + u32 value, mask; + + addr = priv->regs + REG_PDR(offset); + value = readl(addr); + mask = 1 << GPIO_TO_BIT(offset); + if (value & mask) + return GPIOF_OUTPUT; + return GPIOF_INPUT; +} + +static int spacemit_gpio_get_flags(struct udevice *dev, unsigned int offset, + ulong *flagsp) +{ + ulong flags = 0; + u32 dir; + + dir = spacemit_gpio_get_function(dev, offset); + if (dir) { + flags |= GPIOD_IS_OUT; + if (spacemit_gpio_get_value(dev, offset)) + flags |= GPIOD_IS_OUT_ACTIVE; + } else { + flags |= GPIOD_IS_IN; + } + *flagsp = flags; + return 0; +} + +static int spacemit_gpio_set_flags(struct udevice *dev, unsigned int offset, + ulong flags) +{ + struct spacemit_gpio_priv *priv = dev_get_priv(dev); + void __iomem *addr; + int value; + + value = (flags & GPIOD_IS_OUT_ACTIVE) ? 1 : 0; + if (flags & GPIOD_IS_IN) { + addr = priv->regs + REG_CDR(offset); + writel(1 << GPIO_TO_BIT(offset), addr); + } + if (flags & GPIOD_IS_OUT) { + if (value) { + addr = priv->regs + REG_PSR(offset); + writel(1 << GPIO_TO_BIT(offset), addr); + } else { + addr = priv->regs + REG_PCR(offset); + writel(1 << GPIO_TO_BIT(offset), addr); + } + addr = priv->regs + REG_SDR(offset); + writel(1 << GPIO_TO_BIT(offset), addr); + } + return 0; +} + +static int spacemit_gpio_request(struct udevice *dev, unsigned int offset, + const char *label) +{ + const struct pinctrl_ops *ops; + struct udevice *pctldev; + int ret; + + ret = uclass_first_device_err(UCLASS_PINCTRL, &pctldev); + if (ret) + return ret; + + ops = pinctrl_get_ops(pctldev); + if (!ops->gpio_request_enable) + return -ENOSYS; + + return ops->gpio_request_enable(pctldev, offset); +} + +static int spacemit_gpio_rfree(struct udevice *dev, unsigned int offset) +{ + const struct pinctrl_ops *ops; + struct udevice *pctldev; + int ret; + + ret = uclass_first_device_err(UCLASS_PINCTRL, &pctldev); + if (ret) + return ret; + + ops = pinctrl_get_ops(pctldev); + if (!ops->gpio_disable_free) + return -ENOSYS; + + return ops->gpio_disable_free(pctldev, offset); +} + +static const struct dm_gpio_ops spacemit_gpio_ops = { + .request = spacemit_gpio_request, + .rfree = spacemit_gpio_rfree, + .xlate = spacemit_gpio_xlate, + .get_value = spacemit_gpio_get_value, + .get_function = spacemit_gpio_get_function, + .get_flags = spacemit_gpio_get_flags, + .set_flags = spacemit_gpio_set_flags, +}; + +static int spacemit_gpio_probe(struct udevice *dev) +{ + struct spacemit_gpio_priv *priv; + struct spacemit_gpio_data *data; + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct clk_bulk clks; + int ret; + + data = (struct spacemit_gpio_data *)dev_get_driver_data(dev); + priv = dev_get_priv(dev); + priv->regs = dev_read_addr_ptr(dev); + if (!priv->regs) { + dev_err(dev, "Fail to get base address\n"); + return -EINVAL; + } + uc_priv->bank_name = "GPIO"; + uc_priv->gpio_count = data->gpio_count; + uc_priv->gpio_base = data->gpio_base; + + ret = clk_get_bulk(dev, &clks); + if (ret) { + dev_err(dev, "Fail to get bulk clks\n"); + return ret; + } + ret = clk_enable_bulk(&clks); + if (ret) { + dev_err(dev, "Fail to enable bulk clks\n"); + goto out; + } + return 0; +out: + clk_release_bulk(&clks); + return ret; +} + +static const struct spacemit_gpio_data k1_gpio_data = { + .num_banks = 4, + .gpio_count = 128, + .gpio_base = 0, +}; + +static const struct udevice_id spacemit_gpio_ids[] = { + { .compatible = "spacemit,k1-gpio", .data = (uintptr_t)&k1_gpio_data, }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(k1_gpio) = { + .name = "spacemit_k1_gpio", + .id = UCLASS_GPIO, + .of_match = spacemit_gpio_ids, + .ops = &spacemit_gpio_ops, + .priv_auto = sizeof(struct spacemit_gpio_priv), + .probe = spacemit_gpio_probe, +}; diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 5f6586c78ba..0e8b2408376 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -797,6 +797,13 @@ config SYS_I2C_IHS help Support for gdsys IHS I2C driver on FPGA bus. +config SYS_I2C_SPACEMIT_K1 + bool "Spacemit K1 I2C driver" + depends on DM_I2C + help + Support for Spacemit I2C controller. It's based on + Driver Model. + source "drivers/i2c/muxes/Kconfig" endif diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 2da649e97d3..0e3a0f9fb5f 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -47,6 +47,7 @@ obj-$(CONFIG_SYS_I2C_RZ_RIIC) += rz_riic.o obj-$(CONFIG_SYS_I2C_S3C24X0) += s3c24x0_i2c.o exynos_hs_i2c.o obj-$(CONFIG_SYS_I2C_SANDBOX) += sandbox_i2c.o i2c-emul-uclass.o obj-$(CONFIG_SYS_I2C_SH) += sh_i2c.o +obj-$(CONFIG_SYS_I2C_SPACEMIT_K1) += k1_i2c.o obj-$(CONFIG_SYS_I2C_STM32F7) += stm32f7_i2c.o obj-$(CONFIG_SYS_I2C_SUN6I_P2WI) += sun6i_p2wi.o obj-$(CONFIG_SYS_I2C_SUN8I_RSB) += sun8i_rsb.o diff --git a/drivers/i2c/k1_i2c.c b/drivers/i2c/k1_i2c.c new file mode 100644 index 00000000000..a08ff15803d --- /dev/null +++ b/drivers/i2c/k1_i2c.c @@ -0,0 +1,523 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2023-2026 Spacemit, Inc + * Copyright (C) 2025-2026 RISCstar Ltd. + */ + +#include <asm/io.h> +#include <clk.h> +#include <dm.h> +#include <dm/device_compat.h> +#include <i2c.h> +#include <linux/delay.h> +#include <linux/iopoll.h> +#include <reset.h> +#include "k1_i2c.h" + +#define ICR_OFFSET 0x00 +#define ISR_OFFSET 0x04 +#define ISAR_OFFSET 0x08 +#define IDBR_OFFSET 0x0c +#define ILCR_OFFSET 0x10 +#define IWCR_OFFSET 0x14 +#define IRCR_OFFSET 0x18 +#define IBMR_OFFSET 0x1c +#define WFIFO_OFFSET 0x20 +#define WFIFO_WPTR_OFFSET 0x24 +#define WFIFO_RPTR_OFFSET 0x28 +#define RFIFO_OFFSET 0x2c +#define RFIFO_WPTR_OFFSET 0x30 +#define RFIFO_RPTR_OFFSET 0x34 + +/* All transfers are described by this data structure */ +struct k1_i2c_msg { + u8 condition; + u8 acknack; + u8 direction; + u8 data; +}; + +struct k1_i2c { + u32 icr; + u32 isr; + u32 isar; + u32 idbr; + u32 ilcr; + u32 iwcr; + u32 irst_cyc; + u32 ibmr; +}; + +struct k1_i2c_priv { + int id; + void __iomem *base; + struct clk clk; + u32 clk_rate; +}; + +/* + * i2c_reset: - reset the host controller + * + */ +static void i2c_reset(void __iomem *base) +{ + u32 icr_mode; + u32 val; + + /* Save bus mode (standard or fast speed) for later use */ + icr_mode = readl(base + ICR_OFFSET) & ICR_MODE_MASK; + /* disable unit */ + val = readl(base + ICR_OFFSET); + writel(val & ~ICR_IUE, base + ICR_OFFSET); + udelay(10); + /* reset the unit */ + val = readl(base + ICR_OFFSET); + val |= ICR_UR; + writel(val, base + ICR_OFFSET); + udelay(100); + /* disable unit */ + val = readl(base + ICR_OFFSET); + writel(val & ~ICR_IUE, base + ICR_OFFSET); + + /* set slave address */ + writel(0x00, base + ISR_OFFSET); + /* set control reg values */ + writel(I2C_ICR_INIT | icr_mode, base + ICR_OFFSET); + writel(I2C_ISR_INIT, base + ISR_OFFSET); /* set clear interrupt bits */ + val = readl(base + ICR_OFFSET); + val |= ICR_IUE; + writel(val, base + ICR_OFFSET); /* enable unit */ + udelay(100); +} + +static inline bool is_isr_set_or_clr(unsigned long isr, unsigned long set_mask, + unsigned long clr_mask) +{ + return ((isr & set_mask) == set_mask) && ((isr & clr_mask) == 0); +} + +/* + * i2c_isr_set_cleared: - wait until certain bits of the I2C status register + * are set and cleared + * + * @return: 0 on success or -ETIMEDOUT. + */ +static int i2c_isr_set_cleared(void __iomem *base, unsigned long set_mask, + unsigned long clr_mask) +{ + int cnt = 1000, delay = 10, isr, ret; + + ret = read_poll_timeout(readl, isr, + is_isr_set_or_clr(isr, set_mask, clr_mask), + delay, delay * cnt, base + ISR_OFFSET); + return ret; +} + +/* + * i2c_transfer: - Transfer one byte over the i2c bus + * + * This function can transfer a byte over the i2c bus in both directions. + * It is used by the public API functions. + * + * @return: 0: transfer successful or error code + */ +static int i2c_transfer(void __iomem *base, struct k1_i2c_msg *msg) +{ + int ret; + u32 val; + + if (!msg) + goto transfer_error_msg_empty; + + switch (msg->direction) { + case I2C_WRITE: + /* check if bus is not busy */ + if (i2c_isr_set_cleared(base, 0, ISR_IBB)) + goto transfer_error_bus_busy; + + /* start transmission */ + val = readl(base + ICR_OFFSET); + val &= ~ICR_START; + writel(val, base + ICR_OFFSET); + val = readl(base + ICR_OFFSET); + val &= ~ICR_STOP; + writel(val, base + ICR_OFFSET); + writel(msg->data, base + IDBR_OFFSET); + if (msg->condition == I2C_COND_START) { + val = readl(base + ICR_OFFSET); + val |= ICR_START; + writel(val, base + ICR_OFFSET); + } + if (msg->condition == I2C_COND_STOP) { + val = readl(base + ICR_OFFSET); + val |= ICR_STOP; + writel(val, base + ICR_OFFSET); + } + if (msg->acknack == I2C_ACKNAK_SENDNAK) { + val = readl(base + ICR_OFFSET); + val |= ICR_ACKNAK; + writel(val, base + ICR_OFFSET); + } + if (msg->acknack == I2C_ACKNAK_SENDACK) { + val = readl(base + ICR_OFFSET); + val &= ~ICR_ACKNAK; + writel(val, base + ICR_OFFSET); + } + val = readl(base + ICR_OFFSET); + val &= ~ICR_ALDIE; + writel(val, base + ICR_OFFSET); + val = readl(base + ICR_OFFSET); + val |= ICR_TB; + writel(val, base + ICR_OFFSET); + + /* transmit register empty? */ + if (i2c_isr_set_cleared(base, ISR_ITE, 0)) + goto transfer_error_transmit_timeout; + + /* clear 'transmit empty' state */ + val = readl(base + ISR_OFFSET); + val |= ISR_ITE; + writel(val, base + ISR_OFFSET); + + /* wait for ACK from slave */ + if (msg->acknack == I2C_ACKNAK_WAITACK) + if (i2c_isr_set_cleared(base, 0, ISR_ACKNAK)) + goto transfer_error_ack_missing; + break; + + case I2C_READ: + /* check if bus is not busy */ + if (i2c_isr_set_cleared(base, 0, ISR_IBB)) + goto transfer_error_bus_busy; + + /* start receive */ + val = readl(base + ICR_OFFSET); + val &= ~ICR_START; + writel(val, base + ICR_OFFSET); + val = readl(base + ICR_OFFSET); + val &= ~ICR_STOP; + writel(val, base + ICR_OFFSET); + if (msg->condition == I2C_COND_START) { + val = readl(base + ICR_OFFSET); + val |= ICR_START; + writel(val, base + ICR_OFFSET); + } + if (msg->condition == I2C_COND_STOP) { + val = readl(base + ICR_OFFSET); + val |= ICR_STOP; + writel(val, base + ICR_OFFSET); + } + if (msg->acknack == I2C_ACKNAK_SENDNAK) { + val = readl(base + ICR_OFFSET); + val |= ICR_ACKNAK; + writel(val, base + ICR_OFFSET); + } + if (msg->acknack == I2C_ACKNAK_SENDACK) { + val = readl(base + ICR_OFFSET); + val &= ~ICR_ACKNAK; + writel(val, base + ICR_OFFSET); + } + val = readl(base + ICR_OFFSET); + val &= ~ICR_ALDIE; + writel(val, base + ICR_OFFSET); + val = readl(base + ICR_OFFSET); + val |= ICR_TB; + writel(val, base + ICR_OFFSET); + + /* receive register full? */ + if (i2c_isr_set_cleared(base, ISR_IRF, 0)) + goto transfer_error_receive_timeout; + + msg->data = readl(base + IDBR_OFFSET); + + /* clear 'receive empty' state */ + val = readl(base + ISR_OFFSET); + val |= ISR_IRF; + writel(val, base + ISR_OFFSET); + break; + default: + goto transfer_error_illegal_param; + } + + return 0; + +transfer_error_msg_empty: + debug("%s: error: 'msg' is empty\n", __func__); + ret = -EINVAL; + goto i2c_transfer_finish; + +transfer_error_transmit_timeout: + debug("%s: error: transmit timeout\n", __func__); + ret = -ETIMEDOUT; + goto i2c_transfer_finish; + +transfer_error_ack_missing: + debug("%s: error: ACK missing\n", __func__); + ret = -EREMOTEIO; + goto i2c_transfer_finish; + +transfer_error_receive_timeout: + debug("%s: error: receive timeout\n", __func__); + ret = -ETIMEDOUT; + goto i2c_transfer_finish; + +transfer_error_illegal_param: + debug("%s: error: illegal parameters\n", __func__); + ret = -EINVAL; + goto i2c_transfer_finish; + +transfer_error_bus_busy: + debug("%s: error: bus is busy\n", __func__); + ret = -EIO; + goto i2c_transfer_finish; + +i2c_transfer_finish: + debug("%s: ISR: 0x%04x\n", __func__, readl(base + ISR_OFFSET)); + i2c_reset(base); + return ret; +} + +static int __i2c_read(void __iomem *base, uchar chip, u8 *addr, int alen, + uchar *buffer, int len) +{ + struct k1_i2c_msg msg; + int ret; + + debug("%s(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n", + __func__, chip, *addr, alen, len); + + if (len == 0) { + pr_err("reading zero byte is invalid\n"); + return -EINVAL; + } + + i2c_reset(base); + + /* dummy chip address write */ + debug("%s: dummy chip address write\n", __func__); + msg.condition = I2C_COND_START; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = (chip << 1); + msg.data &= 0xFE; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + + /* + * send memory address bytes; + * alen defines how much bytes we have to send. + */ + while (--alen >= 0) { + debug("%s: send address byte %02x (alen=%d)\n", + __func__, *addr, alen); + msg.condition = I2C_COND_NORMAL; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = addr[alen]; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + } + + /* start read sequence */ + debug("%s: start read sequence\n", __func__); + msg.condition = I2C_COND_START; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = (chip << 1); + msg.data |= 0x01; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + + /* read bytes; send NACK at last byte */ + while (len--) { + if (len == 0) { + msg.condition = I2C_COND_STOP; + msg.acknack = I2C_ACKNAK_SENDNAK; + } else { + msg.condition = I2C_COND_NORMAL; + msg.acknack = I2C_ACKNAK_SENDACK; + } + + msg.direction = I2C_READ; + msg.data = 0x00; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + + *buffer = msg.data; + debug("%s: reading byte (%p)=0x%02x\n", + __func__, buffer, *buffer); + buffer++; + } + + i2c_reset(base); + + return 0; +} + +static int __i2c_write(struct k1_i2c *base, uchar chip, u8 *addr, int alen, + uchar *buffer, int len) +{ + struct k1_i2c_msg msg; + int ret; + + debug("%s(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n", + __func__, chip, *addr, alen, len); + + i2c_reset(base); + + /* chip address write */ + debug("%s: chip address write\n", __func__); + msg.condition = I2C_COND_START; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = (chip << 1); + msg.data &= 0xFE; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + + /* + * send memory address bytes; + * alen defines how much bytes we have to send. + */ + while (--alen >= 0) { + debug("%s: send address byte %02x (alen=%d)\n", + __func__, *addr, alen); + msg.condition = I2C_COND_NORMAL; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = addr[alen]; + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + } + + /* write bytes; send NACK at last byte */ + while (len--) { + debug("%s: writing byte (%p)=0x%02x\n", + __func__, buffer, *buffer); + + if (len == 0) + msg.condition = I2C_COND_STOP; + else + msg.condition = I2C_COND_NORMAL; + + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = *(buffer++); + + ret = i2c_transfer(base, &msg); + if (ret) + return ret; + } + + i2c_reset(base); + + return 0; +} + +static int k1_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, int nmsgs) +{ + struct k1_i2c_priv *i2c = dev_get_priv(bus); + struct i2c_msg *dmsg, *omsg, dummy; + + memset(&dummy, 0, sizeof(struct i2c_msg)); + + /* + * We expect either two messages (one with an offset and one with the + * actual data) or one message (just data or offset/data combined) + */ + if (nmsgs > 2 || nmsgs == 0) { + debug("%s: Only one or two messages are supported.", __func__); + return -EINVAL; + } + + omsg = nmsgs == 1 ? &dummy : msg; + dmsg = nmsgs == 1 ? msg : msg + 1; + + if (dmsg->flags & I2C_M_RD) + return __i2c_read(i2c->base, dmsg->addr, omsg->buf, + omsg->len, dmsg->buf, dmsg->len); + else + return __i2c_write(i2c->base, dmsg->addr, omsg->buf, + omsg->len, dmsg->buf, dmsg->len); +} + +static int k1_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) +{ + struct k1_i2c_priv *priv = dev_get_priv(bus); + void __iomem *base = priv->base; + u32 val; + + if (speed > I2C_SPEED_STANDARD_RATE) + val = ICR_FM; + else + val = ICR_SM; + clrsetbits_le32(base + ICR_OFFSET, ICR_MODE_MASK, val); + + return 0; +} + +static int k1_i2c_probe(struct udevice *bus) +{ + struct k1_i2c_priv *priv = dev_get_priv(bus); + struct reset_ctl reset; + int ret; + + priv->id = dev_seq(bus); + + /* + * The upstream K1 dts intentionally omits the 'resets' property + * on i2c nodes — the apbc clock-enable path performs the + * controller reset internally as part of clock gating. Treat the + * reset lookup as optional so we work on the kernel-mainline DT. + */ + ret = reset_get_by_index(bus, 0, &reset); + if (!ret) { + reset_assert(&reset); + udelay(10); + reset_deassert(&reset); + udelay(10); + } else if (ret != -ENOENT && ret != -ENODATA) { + dev_err(bus, "%s: reset lookup failed (%d)\n", __func__, ret); + return ret; + } + + ret = clk_get_by_index(bus, 0, &priv->clk); + if (ret) + return ret; + + ret = clk_enable(&priv->clk); + if (ret && ret != -ENOSYS && ret != -EOPNOTSUPP) { + debug("%s: failed to enable clock\n", __func__); + return ret; + } + priv->clk_rate = clk_get_rate(&priv->clk); + + priv->base = (void *)devfdt_get_addr_ptr(bus); + k1_i2c_set_bus_speed(bus, priv->clk_rate); + return 0; +} + +static const struct dm_i2c_ops k1_i2c_ops = { + .xfer = k1_i2c_xfer, + .set_bus_speed = k1_i2c_set_bus_speed, +}; + +static const struct udevice_id k1_i2c_ids[] = { + { .compatible = "spacemit,k1-i2c" }, + { } +}; + +U_BOOT_DRIVER(i2c_spacemit) = { + .name = "i2c_spacemit", + .id = UCLASS_I2C, + .of_match = k1_i2c_ids, + .probe = k1_i2c_probe, + .priv_auto = sizeof(struct k1_i2c_priv), + .ops = &k1_i2c_ops, +}; diff --git a/drivers/i2c/k1_i2c.h b/drivers/i2c/k1_i2c.h new file mode 100644 index 00000000000..856947aa43b --- /dev/null +++ b/drivers/i2c/k1_i2c.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2023-2026 Spacemit Ltd. + * Copyright (C) 2025-2026 RISCstar Ltd. + */ + +#ifndef __SPACEMIT_I2C_H +#define __SPACEMIT_I2C_H + +/* Shall the current transfer have a start/stop condition? */ +#define I2C_COND_NORMAL 0 +#define I2C_COND_START 1 +#define I2C_COND_STOP 2 + +/* Shall the current transfer be ack/nacked or being waited for it? */ +#define I2C_ACKNAK_WAITACK 1 +#define I2C_ACKNAK_SENDACK 2 +#define I2C_ACKNAK_SENDNAK 4 + +/* Specify who shall transfer the data (master or slave) */ +#define I2C_READ 0 +#define I2C_WRITE 1 + +#if (CONFIG_SYS_I2C_SPEED == 400000) +#define I2C_ICR_INIT (ICR_FM | ICR_BEIE | ICR_IRFIE | ICR_ITEIE | \ + ICR_GCD | ICR_SCLE) +#else +#define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | \ + ICR_SCLE) +#endif + +/* ----- Control register bits ---------------------------------------- */ + +#define ICR_START 0x1 /* start bit */ +#define ICR_STOP 0x2 /* stop bit */ +#define ICR_ACKNAK 0x4 /* send ACK(0) or NAK(1) */ +#define ICR_TB 0x8 /* transfer byte bit */ +#define ICR_MA BIT(12) /* master abort */ +#define ICR_SCLE BIT(13) /* master clock enable, mona SCLEA */ +#define ICR_IUE BIT(14) /* unit enable */ +#define ICR_GCD BIT(21) /* general call disable */ +#define ICR_ITEIE BIT(19) /* enable tx interrupts */ +#define ICR_IRFIE BIT(20) /* enable rx interrupts, mona: DRFIE */ +#define ICR_BEIE BIT(22) /* enable bus error ints */ +#define ICR_SSDIE BIT(24) /* slave STOP detected int enable */ +#define ICR_ALDIE BIT(18) /* enable arbitration interrupt */ +#define ICR_SADIE BIT(23) /* slave address detected int enable */ +#define ICR_UR BIT(10) /* unit reset */ +#define ICR_SM (0x0) /* Standard Mode */ +#define ICR_FM BIT(8) /* Fast Mode */ +#define ICR_MODE_MASK (0x300) /* Mode mask */ + +/* ----- Status register bits ----------------------------------------- */ + +#define ISR_RWM BIT(13) /* read/write mode */ +#define ISR_ACKNAK BIT(14) /* ack/nak status */ +#define ISR_UB BIT(15) /* unit busy */ +#define ISR_IBB BIT(16) /* bus busy */ +#define ISR_SSD BIT(24) /* slave stop detected */ +#define ISR_ALD BIT(18) /* arbitration loss detected */ +#define ISR_ITE BIT(19) /* tx buffer empty */ +#define ISR_IRF BIT(20) /* rx buffer full */ +#define ISR_GCAD BIT(21) /* general call address detected */ +#define ISR_SAD BIT(23) /* slave address detected */ +#define ISR_BED BIT(22) /* bus error no ACK/NAK */ + +#define I2C_ISR_INIT 0x1FDE000 + +#endif diff --git a/drivers/misc/qfw_acpi.c b/drivers/misc/qfw_acpi.c index 721f42ecbc3..afa3b820395 100644 --- a/drivers/misc/qfw_acpi.c +++ b/drivers/misc/qfw_acpi.c @@ -265,6 +265,7 @@ out: struct acpi_rsdp *rsdp = ctx->rsdp; rsdp->length = sizeof(*rsdp); + rsdp->ext_checksum = 0; rsdp->ext_checksum = table_compute_checksum((u8 *)rsdp, sizeof(*rsdp)); gd_set_acpi_start(acpi_get_rsdp_addr()); diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index d9c05b223d5..c2424d7875c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -645,9 +645,11 @@ static int dwmci_set_ios(struct mmc *mmc) int ret; if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) - ret = regulator_set_value(mmc->vqmmc_supply, 1800000); + ret = regulator_set_value_clamp(mmc->vqmmc_supply, + 1700000, 1800000, 1950000); else - ret = regulator_set_value(mmc->vqmmc_supply, 3300000); + ret = regulator_set_value_clamp(mmc->vqmmc_supply, + 2700000, 3300000, 3600000); if (ret && ret != -ENOSYS) return ret; } diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 08594e10266..71a6d8ea2f5 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -551,7 +551,7 @@ void sdhci_set_uhs_timing(struct sdhci_host *host) void sdhci_set_voltage(struct sdhci_host *host) { - if (IS_ENABLED(CONFIG_MMC_IO_VOLTAGE)) { + if (CONFIG_IS_ENABLED(MMC_IO_VOLTAGE)) { struct mmc *mmc = (struct mmc *)host->mmc; u32 ctrl; diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile index 44e67cd913a..9a96be11e6d 100644 --- a/drivers/mtd/spi/Makefile +++ b/drivers/mtd/spi/Makefile @@ -8,14 +8,13 @@ spi-nor-y := sf_probe.o spi-nor-ids.o ifdef CONFIG_XPL_BUILD obj-$(CONFIG_SPL_SPI_BOOT) += fsl_espi_spl.o +endif + ifeq ($(CONFIG_$(PHASE_)SPI_FLASH_TINY),y) spi-nor-y += spi-nor-tiny.o else spi-nor-y += spi-nor-core.o endif -else -spi-nor-y += spi-nor-core.o -endif obj-$(CONFIG_SPI_FLASH) += spi-nor.o obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 7100b64bf22..dee03662d45 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -229,9 +229,11 @@ static int spi_flash_std_remove(struct udevice *dev) spi_mem_dirmap_destroy(flash->dirmap.rdesc); } - ret = spi_nor_remove(flash); - if (ret) - return ret; + if (CONFIG_IS_ENABLED(SPI_FLASH_SOFT_RESET)) { + ret = spi_nor_remove(flash); + if (ret) + return ret; + } if (CONFIG_IS_ENABLED(SPI_FLASH_MTD)) spi_flash_mtd_unregister(flash); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 46a95a1ab6b..fd30aaeeaa8 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -378,6 +378,26 @@ config ASPEED_AST2600_PINCTRL uses Generic Pinctrl framework and is compatible with the Linux driver, i.e. it uses the same device tree configuration. +config ASPEED_AST2700_SOC0_PINCTRL + bool "Aspeed AST2700 SoC0 pin control driver" + depends on DM && PINCTRL_GENERIC && ASPEED_AST2700 + select PINCONF + default y + help + Support pin multiplexing control on Aspeed ast2700 SoC0. The driver + uses Generic Pinctrl framework and is compatible with the Linux + driver, i.e. it uses the same device tree configuration. + +config ASPEED_AST2700_SOC1_PINCTRL + bool "Aspeed AST2700 SoC1 pin control driver" + depends on DM && PINCTRL_GENERIC && ASPEED_AST2700 + select PINCONF + default y + help + Support pin multiplexing control on Aspeed ast2700 SoC1. The driver + uses Generic Pinctrl framework and is compatible with the Linux + driver, i.e. it uses the same device tree configuration. + config PINCTRL_K210 bool "Kendryte K210 Fully-Programmable Input/Output Array driver" depends on DM && PINCTRL_GENERIC @@ -420,6 +440,7 @@ source "drivers/pinctrl/nxp/Kconfig" source "drivers/pinctrl/qcom/Kconfig" source "drivers/pinctrl/renesas/Kconfig" source "drivers/pinctrl/rockchip/Kconfig" +source "drivers/pinctrl/spacemit/Kconfig" source "drivers/pinctrl/sunxi/Kconfig" source "drivers/pinctrl/tegra/Kconfig" source "drivers/pinctrl/uniphier/Kconfig" diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 6c6e8b59122..91149796bb5 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_$(PHASE_)PINCTRL_ROCKCHIP) += rockchip/ obj-$(CONFIG_PINCTRL_SANDBOX) += pinctrl-sandbox.o obj-$(CONFIG_PINCTRL_SCMI) += pinctrl-scmi.o obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o +obj-$(CONFIG_$(PHASE_)PINCTRL_SPACEMIT_K1) += spacemit/ obj-$(CONFIG_PINCTRL_STARFIVE) += starfive/ obj-$(CONFIG_PINCTRL_STI) += pinctrl-sti.o obj-$(CONFIG_PINCTRL_STM32) += pinctrl_stm32.o diff --git a/drivers/pinctrl/aspeed/Makefile b/drivers/pinctrl/aspeed/Makefile index a3e01ed1ca9..33b23fce629 100644 --- a/drivers/pinctrl/aspeed/Makefile +++ b/drivers/pinctrl/aspeed/Makefile @@ -1,2 +1,4 @@ obj-$(CONFIG_ASPEED_AST2500_PINCTRL) += pinctrl_ast2500.o obj-$(CONFIG_ASPEED_AST2600_PINCTRL) += pinctrl_ast2600.o +obj-$(CONFIG_ASPEED_AST2700_SOC0_PINCTRL) += pinctrl_ast2700_soc0.o +obj-$(CONFIG_ASPEED_AST2700_SOC1_PINCTRL) += pinctrl_ast2700_soc1.o diff --git a/drivers/pinctrl/aspeed/pinctrl_ast2700_soc0.c b/drivers/pinctrl/aspeed/pinctrl_ast2700_soc0.c new file mode 100644 index 00000000000..b5111d7ee15 --- /dev/null +++ b/drivers/pinctrl/aspeed/pinctrl_ast2700_soc0.c @@ -0,0 +1,623 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 ASPEED Technology Inc. + */ + +#include <asm/io.h> +#include <dm.h> +#include <dm/pinctrl.h> +#include <errno.h> +#include <vsprintf.h> +#include <linux/bitops.h> +#include <linux/kernel.h> +#include <linux/string.h> + +#define SCU010 0x010 +#define SCU200 0x200 +#define SCU400 0x400 +#define SCU404 0x404 +#define SCU408 0x408 +#define SCU410 0x410 +/* One IO control register per ball, GPIO18A0..GPIO18B3 */ +#define SCU480 0x480 + +/* Indexes into ast2700_soc0_pins[], in GPIO18A0..GPIO18B3 order */ +enum { + AC14, + AE15, + AD14, + AE14, + AF14, + AB13, + AB14, + AF15, + AF13, + AC13, + AD13, + AE13, +}; + +#define USB_PORTA_ROUTE BIT(9) +#define USB_PORTB_ROUTE BIT(10) + +#define PORTA_U3_MODE GENMASK(1, 0) +#define PORTA_U2_MODE GENMASK(3, 2) +#define PORTB_U3_MODE GENMASK(5, 4) +#define PORTB_U2_MODE GENMASK(7, 6) +#define PORTA_MODE GENMASK(25, 24) +#define PORTB_MODE GENMASK(29, 28) + +#define PINMUX(_function, _group, _offset, _mask, _val) \ + { \ + .function = _function, \ + .group = _group, \ + .offset = _offset, \ + .mask = _mask, \ + .val = _val, \ + } + +struct ast2700_soc0_pinmux { + const char *function; + const char *group; + u32 offset; + u32 mask; + u32 val; +}; + +struct ast2700_soc0_sig { + u32 offset; + u32 mask; + const char *name; +}; + +struct ast2700_soc0_pin { + const char *name; + const struct ast2700_soc0_sig *sigs; + unsigned int nsigs; +}; + +struct ast2700_soc0_pinctrl_priv { + void __iomem *base; +}; + +struct ast2700_soc0_group { + const char *name; + const u8 *pins; + unsigned int npins; +}; + +static const u8 ast2700_soc0_emmcg1_pins[] = { AC14, AE15, AD14 }; +static const u8 ast2700_soc0_emmcg4_pins[] = { + AC14, AE15, AD14, AE14, AF14, AB13, +}; + +static const u8 ast2700_soc0_emmcg8_pins[] = { + AC14, AE15, AD14, AE14, AF14, AB13, AF13, AC13, AD13, AE13, +}; + +static const u8 ast2700_soc0_emmcwpn_pins[] = { AF15 }; +static const u8 ast2700_soc0_emmccdn_pins[] = { AB14 }; +static const u8 ast2700_soc0_vgaddc_pins[] = { AD13, AE13 }; +static const u8 ast2700_soc0_vb1_pins[] = { AC14, AE15, AD14, AE14 }; +static const u8 ast2700_soc0_vb0_pins[] = { AF15, AB14, AF13, AC13 }; +static const u8 ast2700_soc0_tsprstn_pins[] = { AF13 }; +static const u8 ast2700_soc0_ufsclki_pins[] = { AC13 }; + +#define AST2700_SOC0_GROUP(_name, _pins) \ + { \ + .name = _name, \ + .pins = _pins, \ + .npins = ARRAY_SIZE(_pins), \ + } + +/* + * The USB, JTAG and PCIe RC groups control internal routing only; they + * have no package balls, hence no group pins to configure. + */ +static const struct ast2700_soc0_group ast2700_soc0_groups[] = { + AST2700_SOC0_GROUP("EMMCG1", ast2700_soc0_emmcg1_pins), + AST2700_SOC0_GROUP("EMMCG4", ast2700_soc0_emmcg4_pins), + AST2700_SOC0_GROUP("EMMCG8", ast2700_soc0_emmcg8_pins), + AST2700_SOC0_GROUP("EMMCWPN", ast2700_soc0_emmcwpn_pins), + AST2700_SOC0_GROUP("EMMCCDN", ast2700_soc0_emmccdn_pins), + AST2700_SOC0_GROUP("VGADDC", ast2700_soc0_vgaddc_pins), + AST2700_SOC0_GROUP("VB1", ast2700_soc0_vb1_pins), + AST2700_SOC0_GROUP("VB0", ast2700_soc0_vb0_pins), + AST2700_SOC0_GROUP("TSPRSTN", ast2700_soc0_tsprstn_pins), + AST2700_SOC0_GROUP("UFSCLKI", ast2700_soc0_ufsclki_pins), + { "USB3A" }, + { "USB3AAP" }, + { "USB3ABP" }, + { "USB3B" }, + { "USB3BAP" }, + { "USB3BBP" }, + { "USB2A" }, + { "USB2AAP" }, + { "USB2ABP" }, + { "USB2ADAP" }, + { "USB2AH" }, + { "USB2AHAP" }, + { "USB2B" }, + { "USB2BBP" }, + { "USB2BAP" }, + { "USB2BDBP" }, + { "USB2BH" }, + { "USB2BHBP" }, + { "JTAG0" }, + { "PCIERC0PERST" }, + { "PCIERC1PERST" }, +}; + +static const char * const ast2700_soc0_functions[] = { + "EMMC", + "VB", + "TSPRSTN", + "UFSCLKI", + "VGADDC", + "USB3AXHD", + "USB3AXHPD", + "USB3AXH", + "USB3AXHP", + "USB3AXH2B", + "USB3AXHP2B", + "USB3BXHD", + "USB3BXHPD", + "USB3BXH", + "USB3BXHP", + "USB3BXH2A", + "USB3BXHP2A", + "USB2AXHD1", + "USB2AXHPD1", + "USB2AXH", + "USB2AXHP", + "USB2AXH2B", + "USB2AXHP2B", + "USB2AD1", + "USB2AHPD0", + "USB2AH", + "USB2AHP", + "USB2AD0", + "USB2BXHD1", + "USB2BXHPD1", + "USB2BXH", + "USB2BXHP", + "USB2BXH2A", + "USB2BXHP2A", + "USB2BD1", + "USB2BHPD0", + "USB2BH", + "USB2BHP", + "USB2BD0", + "JTAGPSP", + "JTAGSSP", + "JTAGTSP", + "JTAGDDR", + "JTAGUSB3A", + "JTAGUSB3B", + "JTAGPCIEA", + "JTAGPCIEB", + "JTAGM0", + "PCIERC0PERST", + "PCIERC1PERST", +}; + +static const struct ast2700_soc0_pinmux ast2700_soc0_pinmuxes[] = { + PINMUX("EMMC", "EMMCG1", SCU400, GENMASK(2, 0), GENMASK(2, 0)), + PINMUX("EMMC", "EMMCG4", SCU400, GENMASK(5, 0), GENMASK(5, 0)), + PINMUX("EMMC", "EMMCG8", SCU400, + GENMASK(5, 0) | GENMASK(11, 8), + GENMASK(5, 0) | GENMASK(11, 8)), + PINMUX("EMMC", "EMMCWPN", SCU400, BIT(7), BIT(7)), + PINMUX("EMMC", "EMMCCDN", SCU400, BIT(6), BIT(6)), + PINMUX("VB", "VB1", SCU404, GENMASK(3, 0), GENMASK(3, 0)), + PINMUX("VB", "VB0", SCU010, BIT(17), BIT(17)), + PINMUX("TSPRSTN", "TSPRSTN", SCU010, BIT(9), BIT(9)), + PINMUX("UFSCLKI", "UFSCLKI", SCU010, BIT(19), BIT(19)), + PINMUX("VGADDC", "VGADDC", SCU404, GENMASK(11, 10), + GENMASK(11, 10)), + + /* + * The Linux driver models the USB2/USB3 routing with additional + * virtual PHY pins (PORTA/PORTB_U2_PHY, PORTA/PORTB_U3_PHY) purely + * to reject conflicting cross-coupled selections; they carry no + * register writes. U-Boot applies the states given by the device + * tree without strict conflict checking, so only the real selector + * fields are programmed here while the group names stay identical. + */ + PINMUX("USB3AXHD", "USB3A", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, USB_PORTA_ROUTE), + PINMUX("USB3AXHPD", "USB3A", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, 0), + PINMUX("USB3AXH", "USB3AAP", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, (2 << 0) | USB_PORTA_ROUTE), + PINMUX("USB3AXHP", "USB3AAP", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, 2 << 0), + PINMUX("USB3AXH2B", "USB3ABP", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, (3 << 0) | USB_PORTA_ROUTE), + PINMUX("USB3AXHP2B", "USB3ABP", SCU410, + PORTA_U3_MODE | USB_PORTA_ROUTE, 3 << 0), + + PINMUX("USB3BXHD", "USB3B", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, USB_PORTB_ROUTE), + PINMUX("USB3BXHPD", "USB3B", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, 0), + PINMUX("USB3BXH", "USB3BBP", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, (2 << 4) | USB_PORTB_ROUTE), + PINMUX("USB3BXHP", "USB3BBP", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, 2 << 4), + PINMUX("USB3BXH2A", "USB3BAP", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, (3 << 4) | USB_PORTB_ROUTE), + PINMUX("USB3BXHP2A", "USB3BAP", SCU410, + PORTB_U3_MODE | USB_PORTB_ROUTE, 3 << 4), + + PINMUX("USB2AXHD1", "USB2A", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, USB_PORTA_ROUTE), + PINMUX("USB2AXHPD1", "USB2A", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, 0), + PINMUX("USB2AXH", "USB2AAP", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, (2 << 2) | USB_PORTA_ROUTE), + PINMUX("USB2AXHP", "USB2AAP", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, 2 << 2), + PINMUX("USB2AXH2B", "USB2ABP", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, (3 << 2) | USB_PORTA_ROUTE), + PINMUX("USB2AXHP2B", "USB2ABP", SCU410, + PORTA_U2_MODE | USB_PORTA_ROUTE, 3 << 2), + PINMUX("USB2AD1", "USB2ADAP", SCU410, PORTA_U2_MODE, 1 << 2), + PINMUX("USB2AHPD0", "USB2AH", SCU410, PORTA_MODE, 0), + PINMUX("USB2AH", "USB2AHAP", SCU410, PORTA_MODE, 2 << 24), + PINMUX("USB2AHP", "USB2AHAP", SCU410, PORTA_MODE, 3 << 24), + PINMUX("USB2AD0", "USB2AHAP", SCU410, PORTA_MODE, 1 << 24), + + PINMUX("USB2BXHD1", "USB2B", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, USB_PORTB_ROUTE), + PINMUX("USB2BXHPD1", "USB2B", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, 0), + PINMUX("USB2BXH", "USB2BBP", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, (2 << 6) | USB_PORTB_ROUTE), + PINMUX("USB2BXHP", "USB2BBP", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, 2 << 6), + PINMUX("USB2BXH2A", "USB2BAP", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, (3 << 6) | USB_PORTB_ROUTE), + PINMUX("USB2BXHP2A", "USB2BAP", SCU410, + PORTB_U2_MODE | USB_PORTB_ROUTE, 3 << 6), + PINMUX("USB2BD1", "USB2BDBP", SCU410, PORTB_U2_MODE, 1 << 6), + PINMUX("USB2BHPD0", "USB2BH", SCU410, PORTB_MODE, 0), + PINMUX("USB2BH", "USB2BHBP", SCU410, PORTB_MODE, 2 << 28), + PINMUX("USB2BHP", "USB2BHBP", SCU410, PORTB_MODE, 3 << 28), + PINMUX("USB2BD0", "USB2BHBP", SCU410, PORTB_MODE, 1 << 28), + + PINMUX("JTAGPSP", "JTAG0", SCU408, GENMASK(12, 5), 0x00 << 5), + PINMUX("JTAGSSP", "JTAG0", SCU408, GENMASK(12, 5), 0x41 << 5), + PINMUX("JTAGTSP", "JTAG0", SCU408, GENMASK(12, 5), 0x42 << 5), + PINMUX("JTAGDDR", "JTAG0", SCU408, GENMASK(12, 5), 0x43 << 5), + PINMUX("JTAGUSB3A", "JTAG0", SCU408, GENMASK(12, 5), 0x44 << 5), + PINMUX("JTAGUSB3B", "JTAG0", SCU408, GENMASK(12, 5), 0x45 << 5), + PINMUX("JTAGPCIEA", "JTAG0", SCU408, GENMASK(12, 5), 0x46 << 5), + PINMUX("JTAGPCIEB", "JTAG0", SCU408, GENMASK(12, 5), 0x47 << 5), + PINMUX("JTAGM0", "JTAG0", SCU408, GENMASK(12, 5), 0x08 << 5), + PINMUX("PCIERC0PERST", "PCIERC0PERST", SCU200, BIT(21), BIT(21)), + PINMUX("PCIERC1PERST", "PCIERC1PERST", SCU200, BIT(19), BIT(19)), +}; + +/* + * Signals muxable on each package ball, strongest first. A pin acts as + * GPIO when none of its signal enable bits are set; gpio_request_enable + * clears them all. The pin order follows the GPIO18A0..GPIO18B3 numbering + * used by the gpio-ranges of the SoC0 GPIO controller. + */ +static const struct ast2700_soc0_sig ast2700_soc0_ac14_sigs[] = { + { SCU400, BIT(0), "EMMCCLK" }, + { SCU404, BIT(0), "VB1CS" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ae15_sigs[] = { + { SCU400, BIT(1), "EMMCCMD" }, + { SCU404, BIT(1), "VB1CK" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ad14_sigs[] = { + { SCU400, BIT(2), "EMMCDAT0" }, + { SCU404, BIT(2), "VB1MOSI" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ae14_sigs[] = { + { SCU400, BIT(3), "EMMCDAT1" }, + { SCU404, BIT(3), "VB1MISO" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_af14_sigs[] = { + { SCU400, BIT(4), "EMMCDAT2" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ab13_sigs[] = { + { SCU400, BIT(5), "EMMCDAT3" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ab14_sigs[] = { + { SCU400, BIT(6), "EMMCCDN" }, + { SCU010, BIT(17), "VB0CS" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_af15_sigs[] = { + { SCU400, BIT(7), "EMMCWPN" }, + { SCU010, BIT(17), "VB0CK" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_af13_sigs[] = { + { SCU010, BIT(9), "TSPRSTN" }, + { SCU400, BIT(8), "EMMCDAT4" }, + { SCU010, BIT(17), "VB0MOSI" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ac13_sigs[] = { + { SCU010, BIT(19), "UFSCLKI" }, + { SCU400, BIT(9), "EMMCDAT5" }, + { SCU010, BIT(17), "VB0MISO" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ad13_sigs[] = { + { SCU400, BIT(10), "EMMCDAT6" }, + { SCU404, BIT(10), "DDCCLK" }, +}; + +static const struct ast2700_soc0_sig ast2700_soc0_ae13_sigs[] = { + { SCU400, BIT(11), "EMMCDAT7" }, + { SCU404, BIT(11), "DDCDAT" }, +}; + +#define AST2700_SOC0_PIN(_name, _sigs) \ + { \ + .name = _name, \ + .sigs = _sigs, \ + .nsigs = ARRAY_SIZE(_sigs), \ + } + +static const struct ast2700_soc0_pin ast2700_soc0_pins[] = { + AST2700_SOC0_PIN("AC14", ast2700_soc0_ac14_sigs), + AST2700_SOC0_PIN("AE15", ast2700_soc0_ae15_sigs), + AST2700_SOC0_PIN("AD14", ast2700_soc0_ad14_sigs), + AST2700_SOC0_PIN("AE14", ast2700_soc0_ae14_sigs), + AST2700_SOC0_PIN("AF14", ast2700_soc0_af14_sigs), + AST2700_SOC0_PIN("AB13", ast2700_soc0_ab13_sigs), + AST2700_SOC0_PIN("AB14", ast2700_soc0_ab14_sigs), + AST2700_SOC0_PIN("AF15", ast2700_soc0_af15_sigs), + AST2700_SOC0_PIN("AF13", ast2700_soc0_af13_sigs), + AST2700_SOC0_PIN("AC13", ast2700_soc0_ac13_sigs), + AST2700_SOC0_PIN("AD13", ast2700_soc0_ad13_sigs), + AST2700_SOC0_PIN("AE13", ast2700_soc0_ae13_sigs), +}; + +static int ast2700_soc0_pinctrl_probe(struct udevice *dev) +{ + struct ast2700_soc0_pinctrl_priv *priv = dev_get_priv(dev); + + priv->base = dev_remap_addr(dev->parent); + if (!priv->base) + return -ENOMEM; + + return 0; +} + +static int ast2700_soc0_pinctrl_get_groups_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc0_groups); +} + +static const char *ast2700_soc0_pinctrl_get_group_name(struct udevice *dev, + unsigned int selector) +{ + return ast2700_soc0_groups[selector].name; +} + +static int ast2700_soc0_pinctrl_get_functions_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc0_functions); +} + +static const char *ast2700_soc0_pinctrl_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return ast2700_soc0_functions[selector]; +} + +static int ast2700_soc0_pinctrl_group_set(struct udevice *dev, + unsigned int group_selector, + unsigned int func_selector) +{ + struct ast2700_soc0_pinctrl_priv *priv = dev_get_priv(dev); + const struct ast2700_soc0_pinmux *pinmux; + const char *function; + const char *group; + u32 i; + + if (group_selector >= ARRAY_SIZE(ast2700_soc0_groups) || + func_selector >= ARRAY_SIZE(ast2700_soc0_functions)) + return -EINVAL; + + function = ast2700_soc0_functions[func_selector]; + group = ast2700_soc0_groups[group_selector].name; + + for (i = 0; i < ARRAY_SIZE(ast2700_soc0_pinmuxes); i++) { + pinmux = &ast2700_soc0_pinmuxes[i]; + if (strcmp(pinmux->function, function) || + strcmp(pinmux->group, group)) + continue; + + clrsetbits_le32(priv->base + pinmux->offset, pinmux->mask, + pinmux->val); + return 0; + } + + return -EINVAL; +} + +static int ast2700_soc0_pinctrl_gpio_request_enable(struct udevice *dev, + unsigned int selector) +{ + struct ast2700_soc0_pinctrl_priv *priv = dev_get_priv(dev); + const struct ast2700_soc0_pin *pin; + u32 i; + + if (selector >= ARRAY_SIZE(ast2700_soc0_pins)) + return -EINVAL; + + pin = &ast2700_soc0_pins[selector]; + for (i = 0; i < pin->nsigs; i++) + clrbits_le32(priv->base + pin->sigs[i].offset, + pin->sigs[i].mask); + + return 0; +} + +static int ast2700_soc0_pinctrl_get_pins_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc0_pins); +} + +static const char *ast2700_soc0_pinctrl_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector >= ARRAY_SIZE(ast2700_soc0_pins)) + return NULL; + + return ast2700_soc0_pins[selector].name; +} + +static int ast2700_soc0_pinctrl_get_pin_muxing(struct udevice *dev, + unsigned int selector, + char *buf, int size) +{ + struct ast2700_soc0_pinctrl_priv *priv = dev_get_priv(dev); + const struct ast2700_soc0_pin *pin; + const struct ast2700_soc0_sig *sig; + u32 i; + + if (selector >= ARRAY_SIZE(ast2700_soc0_pins)) + return -EINVAL; + + pin = &ast2700_soc0_pins[selector]; + for (i = 0; i < pin->nsigs; i++) { + sig = &pin->sigs[i]; + if ((readl(priv->base + sig->offset) & sig->mask) == + sig->mask) { + snprintf(buf, size, "%s", sig->name); + return 0; + } + } + + snprintf(buf, size, "GPIO"); + + return 0; +} + +/* Drive strength in mA selectable by the IO control register [3:0] */ +static const u8 ast2700_soc0_drv_ma[] = { + 3, 6, 8, 11, 16, 18, 20, 23, 30, 32, 33, 35, 37, 38, 39, 41, +}; + +static const struct pinconf_param ast2700_soc0_pinconf_params[] = { + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 0 }, + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, +}; + +static int ast2700_soc0_pinctrl_pinconf_set(struct udevice *dev, + unsigned int selector, + unsigned int param, + unsigned int arg) +{ + struct ast2700_soc0_pinctrl_priv *priv = dev_get_priv(dev); + u32 mask, val, i; + + if (selector >= ARRAY_SIZE(ast2700_soc0_pins)) + return -EINVAL; + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + mask = BIT(5); + val = 0; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + mask = GENMASK(5, 4); + val = 2 << 4; + break; + case PIN_CONFIG_BIAS_PULL_UP: + mask = GENMASK(5, 4); + val = 3 << 4; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + for (i = 0; i < ARRAY_SIZE(ast2700_soc0_drv_ma); i++) { + if (ast2700_soc0_drv_ma[i] == arg) + break; + } + if (i == ARRAY_SIZE(ast2700_soc0_drv_ma)) + return -EINVAL; + mask = GENMASK(3, 0); + val = i; + break; + default: + return -ENOTSUPP; + } + + clrsetbits_le32(priv->base + SCU480 + selector * 4, mask, val); + + return 0; +} + +static int ast2700_soc0_pinctrl_pinconf_group_set(struct udevice *dev, + unsigned int selector, + unsigned int param, + unsigned int arg) +{ + const struct ast2700_soc0_group *group; + u32 i; + int ret; + + if (selector >= ARRAY_SIZE(ast2700_soc0_groups)) + return -EINVAL; + + group = &ast2700_soc0_groups[selector]; + if (!group->npins) + return -ENOTSUPP; + + for (i = 0; i < group->npins; i++) { + ret = ast2700_soc0_pinctrl_pinconf_set(dev, group->pins[i], + param, arg); + if (ret) + return ret; + } + + return 0; +} + +static const struct pinctrl_ops ast2700_soc0_pinctrl_ops = { + .set_state = pinctrl_generic_set_state, + .get_pins_count = ast2700_soc0_pinctrl_get_pins_count, + .get_pin_name = ast2700_soc0_pinctrl_get_pin_name, + .get_pin_muxing = ast2700_soc0_pinctrl_get_pin_muxing, + .get_groups_count = ast2700_soc0_pinctrl_get_groups_count, + .get_group_name = ast2700_soc0_pinctrl_get_group_name, + .get_functions_count = ast2700_soc0_pinctrl_get_functions_count, + .get_function_name = ast2700_soc0_pinctrl_get_function_name, + .pinmux_group_set = ast2700_soc0_pinctrl_group_set, + .gpio_request_enable = ast2700_soc0_pinctrl_gpio_request_enable, + .pinconf_num_params = ARRAY_SIZE(ast2700_soc0_pinconf_params), + .pinconf_params = ast2700_soc0_pinconf_params, + .pinconf_set = ast2700_soc0_pinctrl_pinconf_set, + .pinconf_group_set = ast2700_soc0_pinctrl_pinconf_group_set, +}; + +static const struct udevice_id ast2700_soc0_pinctrl_ids[] = { + { .compatible = "aspeed,ast2700-soc0-pinctrl" }, + { } +}; + +U_BOOT_DRIVER(pinctrl_ast2700_soc0) = { + .name = "aspeed_ast2700_soc0_pinctrl", + .id = UCLASS_PINCTRL, + .of_match = ast2700_soc0_pinctrl_ids, + .priv_auto = sizeof(struct ast2700_soc0_pinctrl_priv), + .ops = &ast2700_soc0_pinctrl_ops, + .probe = ast2700_soc0_pinctrl_probe, +}; diff --git a/drivers/pinctrl/aspeed/pinctrl_ast2700_soc1.c b/drivers/pinctrl/aspeed/pinctrl_ast2700_soc1.c new file mode 100644 index 00000000000..05656c38ad2 --- /dev/null +++ b/drivers/pinctrl/aspeed/pinctrl_ast2700_soc1.c @@ -0,0 +1,1642 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 ASPEED Technology Inc. + */ + +#include <asm/io.h> +#include <dm.h> +#include <dm/pinctrl.h> +#include <errno.h> +#include <vsprintf.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/types.h> + +#define AST2700_SOC1_MUX_BASE 0x400 +#define AST2700_SOC1_PCIE_REG 0x908 +#define AST2700_SOC1_USB_MODE_REG 0x3b0 +#define AST2700_SOC1_SGMII_REG 0x47c +#define AST2700_SOC1_MUX_MASK 0x7 +#define AST2700_SOC1_MUX_BITS_PER_PIN 4 +#define AST2700_SOC1_MUX_PINS_PER_REG 8 + +#define AST2700_SOC1_BIAS_BASE 0x480 +#define AST2700_SOC1_BIAS_PINS_PER_REG 32 + +#define AST2700_SOC1_DRV_BASE 0x4c0 +#define AST2700_SOC1_DRV_MASK 0x3 +#define AST2700_SOC1_DRV_BITS_PER_PIN 2 +#define AST2700_SOC1_DRV_PINS_PER_REG 16 +#define AST2700_SOC1_DRV_STEP_MA 4 +#define AST2700_SOC1_DRV_MIN_MA 4 +#define AST2700_SOC1_DRV_MAX_MA 16 + +enum { + C16, + C14, + C11, + D9, + F14, + D10, + C12, + C13, + AC26, + AA25, + AB23, + U22, + V21, + N26, + P25, + N25, + V23, + W22, + AB26, + AD26, + P26, + AE26, + AF26, + AF25, + AE25, + AD25, + AF23, + AF20, + AF21, + AE21, + AE23, + AD22, + AF17, + AA16, + Y16, + V17, + J13, + AB16, + AC16, + AF16, + AA15, + AB15, + AC15, + AD15, + Y15, + AA14, + W16, + V16, + AB18, + AC18, + K13, + AA17, + AB17, + AD16, + AC17, + AD17, + AE16, + AE17, + AB24, + W26, + HOLE0, + HOLE1, + HOLE2, + HOLE3, + W25, + Y23, + Y24, + W21, + AA23, + AC22, + AB22, + Y21, + AE20, + AF19, + Y22, + AA20, + AA22, + AB20, + AF18, + AE19, + AD20, + AC20, + AA21, + AB21, + AC19, + AE18, + AD19, + AD18, + U25, + U26, + Y26, + AA24, + R25, + AA26, + R26, + Y25, + B16, + D14, + B15, + B14, + C17, + B13, + E14, + C15, + D24, + B23, + B22, + C23, + B18, + B21, + M15, + B19, + B26, + A25, + A24, + B24, + E26, + A21, + A19, + A18, + D26, + C26, + A23, + A22, + B25, + F26, + A26, + A14, + E10, + E13, + D12, + F10, + E11, + F11, + F13, + N15, + C20, + C19, + A8, + R14, + A7, + P14, + D20, + A6, + B6, + N14, + B7, + B8, + B9, + M14, + J11, + E7, + D19, + B11, + D15, + B12, + B10, + P13, + C18, + C6, + C7, + D7, + N13, + C8, + C9, + C10, + M16, + A15, + G11, + H7, + H8, + H9, + H10, + H11, + J9, + J10, + E9, + F9, + F8, + M13, + F7, + D8, + E8, + L12, + F12, + E12, + J12, + G7, + G8, + G9, + G10, + K12, + W17, + V18, + W18, + Y17, + AA18, + AA13, + Y18, + AA12, + W20, + V20, + Y11, + V14, + V19, + W14, + Y20, + AB19, + U21, + T24, + V24, + V22, + T23, + AC25, + AB25, + AC24, + PCIERC2_PERST, + PORTC_MODE, + PORTD_MODE, + SGMII0, +}; + +struct ast2700_soc1_field { + u32 reg; + u32 shift; + u32 mask; +}; + +struct ast2700_soc1_group { + const char *name; + const unsigned int *pins; + unsigned int npins; +}; + +struct ast2700_soc1_function { + const char *name; + const char *const *groups; + const u8 *muxvals; + unsigned int ngroups; +}; + +struct ast2700_soc1_pinctrl_priv { + void __iomem *scu; +}; + +#define PIN(n) \ + [n] = #n + +static const char *const ast2700_soc1_pin_names[] = { + PIN(C16), + PIN(C14), + PIN(C11), + PIN(D9), + PIN(F14), + PIN(D10), + PIN(C12), + PIN(C13), + PIN(AC26), + PIN(AA25), + PIN(AB23), + PIN(U22), + PIN(V21), + PIN(N26), + PIN(P25), + PIN(N25), + PIN(V23), + PIN(W22), + PIN(AB26), + PIN(AD26), + PIN(P26), + PIN(AE26), + PIN(AF26), + PIN(AF25), + PIN(AE25), + PIN(AD25), + PIN(AF23), + PIN(AF20), + PIN(AF21), + PIN(AE21), + PIN(AE23), + PIN(AD22), + PIN(AF17), + PIN(AA16), + PIN(Y16), + PIN(V17), + PIN(J13), + PIN(AB16), + PIN(AC16), + PIN(AF16), + PIN(AA15), + PIN(AB15), + PIN(AC15), + PIN(AD15), + PIN(Y15), + PIN(AA14), + PIN(W16), + PIN(V16), + PIN(AB18), + PIN(AC18), + PIN(K13), + PIN(AA17), + PIN(AB17), + PIN(AD16), + PIN(AC17), + PIN(AD17), + PIN(AE16), + PIN(AE17), + PIN(AB24), + PIN(W26), + PIN(HOLE0), + PIN(HOLE1), + PIN(HOLE2), + PIN(HOLE3), + PIN(W25), + PIN(Y23), + PIN(Y24), + PIN(W21), + PIN(AA23), + PIN(AC22), + PIN(AB22), + PIN(Y21), + PIN(AE20), + PIN(AF19), + PIN(Y22), + PIN(AA20), + PIN(AA22), + PIN(AB20), + PIN(AF18), + PIN(AE19), + PIN(AD20), + PIN(AC20), + PIN(AA21), + PIN(AB21), + PIN(AC19), + PIN(AE18), + PIN(AD19), + PIN(AD18), + PIN(U25), + PIN(U26), + PIN(Y26), + PIN(AA24), + PIN(R25), + PIN(AA26), + PIN(R26), + PIN(Y25), + PIN(B16), + PIN(D14), + PIN(B15), + PIN(B14), + PIN(C17), + PIN(B13), + PIN(E14), + PIN(C15), + PIN(D24), + PIN(B23), + PIN(B22), + PIN(C23), + PIN(B18), + PIN(B21), + PIN(M15), + PIN(B19), + PIN(B26), + PIN(A25), + PIN(A24), + PIN(B24), + PIN(E26), + PIN(A21), + PIN(A19), + PIN(A18), + PIN(D26), + PIN(C26), + PIN(A23), + PIN(A22), + PIN(B25), + PIN(F26), + PIN(A26), + PIN(A14), + PIN(E10), + PIN(E13), + PIN(D12), + PIN(F10), + PIN(E11), + PIN(F11), + PIN(F13), + PIN(N15), + PIN(C20), + PIN(C19), + PIN(A8), + PIN(R14), + PIN(A7), + PIN(P14), + PIN(D20), + PIN(A6), + PIN(B6), + PIN(N14), + PIN(B7), + PIN(B8), + PIN(B9), + PIN(M14), + PIN(J11), + PIN(E7), + PIN(D19), + PIN(B11), + PIN(D15), + PIN(B12), + PIN(B10), + PIN(P13), + PIN(C18), + PIN(C6), + PIN(C7), + PIN(D7), + PIN(N13), + PIN(C8), + PIN(C9), + PIN(C10), + PIN(M16), + PIN(A15), + PIN(G11), + PIN(H7), + PIN(H8), + PIN(H9), + PIN(H10), + PIN(H11), + PIN(J9), + PIN(J10), + PIN(E9), + PIN(F9), + PIN(F8), + PIN(M13), + PIN(F7), + PIN(D8), + PIN(E8), + PIN(L12), + PIN(F12), + PIN(E12), + PIN(J12), + PIN(G7), + PIN(G8), + PIN(G9), + PIN(G10), + PIN(K12), + PIN(W17), + PIN(V18), + PIN(W18), + PIN(Y17), + PIN(AA18), + PIN(AA13), + PIN(Y18), + PIN(AA12), + PIN(W20), + PIN(V20), + PIN(Y11), + PIN(V14), + PIN(V19), + PIN(W14), + PIN(Y20), + PIN(AB19), + PIN(U21), + PIN(T24), + PIN(V24), + PIN(V22), + PIN(T23), + PIN(AC25), + PIN(AB25), + PIN(AC24), + PIN(PCIERC2_PERST), + PIN(PORTC_MODE), + PIN(PORTD_MODE), + PIN(SGMII0), +}; + +#define PIN_GROUP(name, ...) \ + static const unsigned int name##_pins[] = { __VA_ARGS__ } + +/* Pin groups and functions */ +PIN_GROUP(ADC0, W17); +PIN_GROUP(ADC1, V18); +PIN_GROUP(ADC10, Y11); +PIN_GROUP(ADC11, V14); +PIN_GROUP(ADC12, V19); +PIN_GROUP(ADC13, W14); +PIN_GROUP(ADC14, Y20); +PIN_GROUP(ADC15, AB19); +PIN_GROUP(ADC2, W18); +PIN_GROUP(ADC3, Y17); +PIN_GROUP(ADC4, AA18); +PIN_GROUP(ADC5, AA13); +PIN_GROUP(ADC6, Y18); +PIN_GROUP(ADC7, AA12); +PIN_GROUP(ADC8, W20); +PIN_GROUP(ADC9, V20); +PIN_GROUP(AUXPWRGOOD0, W14); +PIN_GROUP(AUXPWRGOOD1, Y20); +PIN_GROUP(CANBUS, G7, G8, G9); +PIN_GROUP(DI2C0, C16, D9); +PIN_GROUP(DI2C1, C14, F14); +PIN_GROUP(DI2C10, R25, AA26); +PIN_GROUP(DI2C11, R26, Y25); +PIN_GROUP(DI2C12, W25, Y23); +PIN_GROUP(DI2C13, Y24, W21); +PIN_GROUP(DI2C14, AA23, AC22); +PIN_GROUP(DI2C15, AB22, Y21); +PIN_GROUP(DI2C2, D10, C12); +PIN_GROUP(DI2C3, C11, C13); +PIN_GROUP(DI2C8, U25, U26); +PIN_GROUP(DI2C9, Y26, AA24); +PIN_GROUP(DSGPM0, D19, B10, C7, D7); +PIN_GROUP(ESPI0, B16, D14, B15, B14, C17, B13, E14, C15); +PIN_GROUP(ESPI1, C16, C14, C11, D9, F14, D10, C12, C13); +PIN_GROUP(FSI0, AD20, AC20); +PIN_GROUP(FSI1, AA21, AB21); +PIN_GROUP(FSI2, AC19, AE18); +PIN_GROUP(FSI3, AD19, AD18); +PIN_GROUP(FWQSPI, M16, A15); +PIN_GROUP(FWSPIABR, A14); +PIN_GROUP(FWWPN, N15); +PIN_GROUP(HBLED, V24); +PIN_GROUP(HVI3C0, U25, U26); +PIN_GROUP(HVI3C1, Y26, AA24); +PIN_GROUP(HVI3C12, W25, Y23); +PIN_GROUP(HVI3C13, Y24, W21); +PIN_GROUP(HVI3C14, AA23, AC22); +PIN_GROUP(HVI3C15, AB22, Y21); +PIN_GROUP(HVI3C2, R25, AA26); +PIN_GROUP(HVI3C3, R26, Y25); +PIN_GROUP(I2C0, G11, H7); +PIN_GROUP(I2C1, H8, H9); +PIN_GROUP(I2C10, G8, G9); +PIN_GROUP(I2C11, G10, K12); +PIN_GROUP(I2C12, AC18, AA17); +PIN_GROUP(I2C13, AB17, AD16); +PIN_GROUP(I2C14, AC17, AD17); +PIN_GROUP(I2C15, AE16, AE17); +PIN_GROUP(I2C2, H10, H11); +PIN_GROUP(I2C3, J9, J10); +PIN_GROUP(I2C4, E9, F9); +PIN_GROUP(I2C5, F8, M13); +PIN_GROUP(I2C6, F7, D8); +PIN_GROUP(I2C7, E8, L12); +PIN_GROUP(I2C8, F12, E12); +PIN_GROUP(I2C9, J12, G7); +PIN_GROUP(I2CF0, F12, E12, J12, G7); +PIN_GROUP(I2CF1, E9, F9, F8, M13); +PIN_GROUP(I2CF2, F7, D8, E8, L12); +PIN_GROUP(I3C10, AC19, AE18); +PIN_GROUP(I3C11, AD19, AD18); +PIN_GROUP(I3C4, AE20, AF19); +PIN_GROUP(I3C5, Y22, AA20); +PIN_GROUP(I3C6, AA22, AB20); +PIN_GROUP(I3C7, AF18, AE19); +PIN_GROUP(I3C8, AD20, AC20); +PIN_GROUP(I3C9, AA21, AB21); +PIN_GROUP(JTAGM1, D12, F10, E11, F11, F13); +PIN_GROUP(LPC0, AF26, AF25, B16, D14, B15, B14, C17, B13, E14, C15); +PIN_GROUP(LPC1, C16, C14, C11, D9, F14, D10, C12, C13, AE16, AE17); +PIN_GROUP(LTPI, U25, U26, Y26, AA24); +PIN_GROUP(LTPI_PS_I2C0, G11, H7); +PIN_GROUP(LTPI_PS_I2C1, H8, H9); +PIN_GROUP(LTPI_PS_I2C2, H10, H11); +PIN_GROUP(LTPI_PS_I2C3, J9, J10); +PIN_GROUP(MACLINK0, U21); +PIN_GROUP(MACLINK1, AC24); +PIN_GROUP(MACLINK2, T24); +PIN_GROUP(MDIO0, B9, M14); +PIN_GROUP(MDIO1, C9, C10); +PIN_GROUP(MDIO2, E10, E13); +PIN_GROUP(NCTS0, AF17); +PIN_GROUP(NCTS1, AA15); +PIN_GROUP(NCTS5, V21); +PIN_GROUP(NCTS6, AB26); +PIN_GROUP(NDCD0, AA16); +PIN_GROUP(NDCD1, AB15); +PIN_GROUP(NDCD5, N26); +PIN_GROUP(NDCD6, AD26); +PIN_GROUP(NDSR0, Y16); +PIN_GROUP(NDSR1, AC15); +PIN_GROUP(NDSR5, P25); +PIN_GROUP(NDSR6, P26); +PIN_GROUP(NDTR0, J13); +PIN_GROUP(NDTR1, Y15); +PIN_GROUP(NDTR5, V23); +PIN_GROUP(NDTR6, AF26); +PIN_GROUP(NRI0, V17); +PIN_GROUP(NRI1, AD15); +PIN_GROUP(NRI5, N25); +PIN_GROUP(NRI6, AE26); +PIN_GROUP(NRTS0, AB16); +PIN_GROUP(NRTS1, AA14); +PIN_GROUP(NRTS5, W22); +PIN_GROUP(NRTS6, AF25); +PIN_GROUP(OSCCLK, C17); +PIN_GROUP(PE2SGRSTN, E10, PCIERC2_PERST); +PIN_GROUP(PWM0, AE25); +PIN_GROUP(PWM1, AD25); +PIN_GROUP(PWM10, AB17); +PIN_GROUP(PWM11, AD16); +PIN_GROUP(PWM12, AC17); +PIN_GROUP(PWM13, AD17); +PIN_GROUP(PWM14, AE16); +PIN_GROUP(PWM15, AE17); +PIN_GROUP(PWM2, AF23); +PIN_GROUP(PWM3, AF20); +PIN_GROUP(PWM4, AF21); +PIN_GROUP(PWM5, AE21); +PIN_GROUP(PWM6, AE23); +PIN_GROUP(PWM7, AD22); +PIN_GROUP(PWM8, K13); +PIN_GROUP(PWM9, AA17); +PIN_GROUP(QSPI0, C23, B18); +PIN_GROUP(QSPI1, B24, E26); +PIN_GROUP(QSPI2, B25, F26); +PIN_GROUP(RGMII0, C20, C19, A8, R14, A7, P14, D20, A6, B6, N14, B7, B8); +PIN_GROUP(RGMII1, D19, B11, D15, B12, B10, P13, C18, C6, C7, D7, N13, C8); +PIN_GROUP(RMII0, C20, A8, R14, A7, P14, A6, B6, N14); +PIN_GROUP(RMII0RCLKO, D20); +PIN_GROUP(RMII1, D19, D15, B12, B10, P13, C6, C7, D7); +PIN_GROUP(RMII1RCLKO, C18); +PIN_GROUP(SALT0, AC17); +PIN_GROUP(SALT1, AD17); +PIN_GROUP(SALT10, Y18); +PIN_GROUP(SALT11, AA12); +PIN_GROUP(SALT12, AB26); +PIN_GROUP(SALT13, AD26); +PIN_GROUP(SALT14, P26); +PIN_GROUP(SALT15, AE26); +PIN_GROUP(SALT2, AC15); +PIN_GROUP(SALT3, AD15); +PIN_GROUP(SALT4, W17); +PIN_GROUP(SALT5, V18); +PIN_GROUP(SALT6, W18); +PIN_GROUP(SALT7, Y17); +PIN_GROUP(SALT8, AA18); +PIN_GROUP(SALT9, AA13); +PIN_GROUP(SD, C16, C14, C11, D9, F14, D10, C12, C13); +PIN_GROUP(SGMII, SGMII0); +PIN_GROUP(SGPM0, U21, T24, V22, T23); +PIN_GROUP(SGPM1, AC25, AB25, AB24, W26); +PIN_GROUP(SGPS, B11, C18, N13, C8); +PIN_GROUP(SIOONCTRLN0, AE23); +PIN_GROUP(SIOONCTRLN1, AA15); +PIN_GROUP(SIOPBIN0, AD25); +PIN_GROUP(SIOPBIN1, AA16); +PIN_GROUP(SIOPBON0, AE25); +PIN_GROUP(SIOPBON1, AF17); +PIN_GROUP(SIOPWREQN0, AE21); +PIN_GROUP(SIOPWREQN1, AB16); +PIN_GROUP(SIOPWRGD1, AB15); +PIN_GROUP(SIOS3N0, AF20); +PIN_GROUP(SIOS3N1, V17); +PIN_GROUP(SIOS5N0, AF21); +PIN_GROUP(SIOS5N1, J13); +PIN_GROUP(SIOSCIN0, AF23); +PIN_GROUP(SIOSCIN1, Y16); +PIN_GROUP(SMON0, U21, T24, V22, T23); +PIN_GROUP(SMON1, W26, AC25, AB25); +PIN_GROUP(SPI0, D24, B23, B22); +PIN_GROUP(SPI0ABR, M15); +PIN_GROUP(SPI0CS1, B21); +PIN_GROUP(SPI0WPN, B19); +PIN_GROUP(SPI1, B26, A25, A24); +PIN_GROUP(SPI1ABR, A19); +PIN_GROUP(SPI1CS1, A21); +PIN_GROUP(SPI1WPN, A18); +PIN_GROUP(SPI2, D26, C26, A23, A22); +PIN_GROUP(SPI2CS1, A26); +PIN_GROUP(TACH0, AC26); +PIN_GROUP(TACH1, AA25); +PIN_GROUP(TACH10, AB26); +PIN_GROUP(TACH11, AD26); +PIN_GROUP(TACH12, P26); +PIN_GROUP(TACH13, AE26); +PIN_GROUP(TACH14, AF26); +PIN_GROUP(TACH15, AF25); +PIN_GROUP(TACH2, AB23); +PIN_GROUP(TACH3, U22); +PIN_GROUP(TACH4, V21); +PIN_GROUP(TACH5, N26); +PIN_GROUP(TACH6, P25); +PIN_GROUP(TACH7, N25); +PIN_GROUP(TACH8, V23); +PIN_GROUP(TACH9, W22); +PIN_GROUP(THRU0, AC26, AA25); +PIN_GROUP(THRU1, AB23, U22); +PIN_GROUP(THRU2, A19, A18); +PIN_GROUP(THRU3, B25, F26); +PIN_GROUP(UART0, AC16, AF16); +PIN_GROUP(UART1, W16, V16); +PIN_GROUP(UART2, AB18, AC18); +PIN_GROUP(UART3, K13, AA17); +PIN_GROUP(UART5, AB17, AD16); +PIN_GROUP(UART6, AC17, AD17); +PIN_GROUP(UART7, AE16, AE17); +PIN_GROUP(UART8, M15, B19); +PIN_GROUP(UART9, B26, A25); +PIN_GROUP(UART10, A24, B24); +PIN_GROUP(UART11, E26, A21); +PIN_GROUP(USB2CD, PORTC_MODE); +PIN_GROUP(USB2CH, PORTC_MODE); +PIN_GROUP(USB2CU, PORTC_MODE); +PIN_GROUP(USB2CUD, PORTC_MODE); +PIN_GROUP(USB2DD, PORTD_MODE); +PIN_GROUP(USB2DH, PORTD_MODE); +PIN_GROUP(USBUART, G10, K12); +PIN_GROUP(VGA, J11, E7); +PIN_GROUP(VPI, C16, C14, C11, D9, F14, D10, AC26, AA25, AB23, U22, V21, N26, + P25, N25, V23, W22, AB26, AD26, P26, AE26, AF26, AF25, AE25, AD25, + AF23, AF20, AF21, AE21); +PIN_GROUP(WDTRST0N, K13); +PIN_GROUP(WDTRST1N, AA17); +PIN_GROUP(WDTRST2N, AB17); +PIN_GROUP(WDTRST3N, AD16); +PIN_GROUP(WDTRST4N, AC25); +PIN_GROUP(WDTRST5N, AB25); +PIN_GROUP(WDTRST6N, AC24); +PIN_GROUP(WDTRST7N, AB24); + +#define GROUP(n) \ + { .name = #n, .pins = n##_pins, .npins = ARRAY_SIZE(n##_pins) } + +static const struct ast2700_soc1_group ast2700_soc1_groups[] = { + GROUP(ADC0), + GROUP(ADC1), + GROUP(ADC10), + GROUP(ADC11), + GROUP(ADC12), + GROUP(ADC13), + GROUP(ADC14), + GROUP(ADC15), + GROUP(ADC2), + GROUP(ADC3), + GROUP(ADC4), + GROUP(ADC5), + GROUP(ADC6), + GROUP(ADC7), + GROUP(ADC8), + GROUP(ADC9), + GROUP(AUXPWRGOOD0), + GROUP(AUXPWRGOOD1), + GROUP(CANBUS), + GROUP(DI2C0), + GROUP(DI2C1), + GROUP(DI2C10), + GROUP(DI2C11), + GROUP(DI2C12), + GROUP(DI2C13), + GROUP(DI2C14), + GROUP(DI2C15), + GROUP(DI2C2), + GROUP(DI2C3), + GROUP(DI2C8), + GROUP(DI2C9), + GROUP(DSGPM0), + GROUP(ESPI0), + GROUP(ESPI1), + GROUP(FSI0), + GROUP(FSI1), + GROUP(FSI2), + GROUP(FSI3), + GROUP(FWQSPI), + GROUP(FWSPIABR), + GROUP(FWWPN), + GROUP(HBLED), + GROUP(HVI3C0), + GROUP(HVI3C1), + GROUP(HVI3C12), + GROUP(HVI3C13), + GROUP(HVI3C14), + GROUP(HVI3C15), + GROUP(HVI3C2), + GROUP(HVI3C3), + GROUP(I2C0), + GROUP(I2C1), + GROUP(I2C10), + GROUP(I2C11), + GROUP(I2C12), + GROUP(I2C13), + GROUP(I2C14), + GROUP(I2C15), + GROUP(I2C2), + GROUP(I2C3), + GROUP(I2C4), + GROUP(I2C5), + GROUP(I2C6), + GROUP(I2C7), + GROUP(I2C8), + GROUP(I2C9), + GROUP(I2CF0), + GROUP(I2CF1), + GROUP(I2CF2), + GROUP(I3C10), + GROUP(I3C11), + GROUP(I3C4), + GROUP(I3C5), + GROUP(I3C6), + GROUP(I3C7), + GROUP(I3C8), + GROUP(I3C9), + GROUP(JTAGM1), + GROUP(LPC0), + GROUP(LPC1), + GROUP(LTPI), + GROUP(LTPI_PS_I2C0), + GROUP(LTPI_PS_I2C1), + GROUP(LTPI_PS_I2C2), + GROUP(LTPI_PS_I2C3), + GROUP(MACLINK0), + GROUP(MACLINK1), + GROUP(MACLINK2), + GROUP(MDIO0), + GROUP(MDIO1), + GROUP(MDIO2), + GROUP(NCTS0), + GROUP(NCTS1), + GROUP(NCTS5), + GROUP(NCTS6), + GROUP(NDCD0), + GROUP(NDCD1), + GROUP(NDCD5), + GROUP(NDCD6), + GROUP(NDSR0), + GROUP(NDSR1), + GROUP(NDSR5), + GROUP(NDSR6), + GROUP(NDTR0), + GROUP(NDTR1), + GROUP(NDTR5), + GROUP(NDTR6), + GROUP(NRI0), + GROUP(NRI1), + GROUP(NRI5), + GROUP(NRI6), + GROUP(NRTS0), + GROUP(NRTS1), + GROUP(NRTS5), + GROUP(NRTS6), + GROUP(OSCCLK), + GROUP(PE2SGRSTN), + GROUP(PWM0), + GROUP(PWM1), + GROUP(PWM10), + GROUP(PWM11), + GROUP(PWM12), + GROUP(PWM13), + GROUP(PWM14), + GROUP(PWM15), + GROUP(PWM2), + GROUP(PWM3), + GROUP(PWM4), + GROUP(PWM5), + GROUP(PWM6), + GROUP(PWM7), + GROUP(PWM8), + GROUP(PWM9), + GROUP(QSPI0), + GROUP(QSPI1), + GROUP(QSPI2), + GROUP(RGMII0), + GROUP(RGMII1), + GROUP(RMII0), + GROUP(RMII0RCLKO), + GROUP(RMII1), + GROUP(RMII1RCLKO), + GROUP(SALT0), + GROUP(SALT1), + GROUP(SALT10), + GROUP(SALT11), + GROUP(SALT12), + GROUP(SALT13), + GROUP(SALT14), + GROUP(SALT15), + GROUP(SALT2), + GROUP(SALT3), + GROUP(SALT4), + GROUP(SALT5), + GROUP(SALT6), + GROUP(SALT7), + GROUP(SALT8), + GROUP(SALT9), + GROUP(SD), + GROUP(SGMII), + GROUP(SGPM0), + GROUP(SGPM1), + GROUP(SGPS), + GROUP(SIOONCTRLN0), + GROUP(SIOONCTRLN1), + GROUP(SIOPBIN0), + GROUP(SIOPBIN1), + GROUP(SIOPBON0), + GROUP(SIOPBON1), + GROUP(SIOPWREQN0), + GROUP(SIOPWREQN1), + GROUP(SIOPWRGD1), + GROUP(SIOS3N0), + GROUP(SIOS3N1), + GROUP(SIOS5N0), + GROUP(SIOS5N1), + GROUP(SIOSCIN0), + GROUP(SIOSCIN1), + GROUP(SMON0), + GROUP(SMON1), + GROUP(SPI0), + GROUP(SPI0ABR), + GROUP(SPI0CS1), + GROUP(SPI0WPN), + GROUP(SPI1), + GROUP(SPI1ABR), + GROUP(SPI1CS1), + GROUP(SPI1WPN), + GROUP(SPI2), + GROUP(SPI2CS1), + GROUP(TACH0), + GROUP(TACH1), + GROUP(TACH10), + GROUP(TACH11), + GROUP(TACH12), + GROUP(TACH13), + GROUP(TACH14), + GROUP(TACH15), + GROUP(TACH2), + GROUP(TACH3), + GROUP(TACH4), + GROUP(TACH5), + GROUP(TACH6), + GROUP(TACH7), + GROUP(TACH8), + GROUP(TACH9), + GROUP(THRU0), + GROUP(THRU1), + GROUP(THRU2), + GROUP(THRU3), + GROUP(UART0), + GROUP(UART1), + GROUP(UART10), + GROUP(UART11), + GROUP(UART2), + GROUP(UART3), + GROUP(UART5), + GROUP(UART6), + GROUP(UART7), + GROUP(UART8), + GROUP(UART9), + GROUP(USB2CD), + GROUP(USB2CH), + GROUP(USB2CU), + GROUP(USB2CUD), + GROUP(USB2DD), + GROUP(USB2DH), + GROUP(USBUART), + GROUP(VGA), + GROUP(VPI), + GROUP(WDTRST0N), + GROUP(WDTRST1N), + GROUP(WDTRST2N), + GROUP(WDTRST3N), + GROUP(WDTRST4N), + GROUP(WDTRST5N), + GROUP(WDTRST6N), + GROUP(WDTRST7N), +}; + +/** + * VM() - Helper macro to unwrap a parenthesized list of arguments. + * @...: The parenthesized list to be unwrapped. + * + * Since the C preprocessor treats commas inside braces {} as argument + * separators for macros, wrap mux value lists in parentheses and strip + * them here when initializing the compound literal. + */ +#define VM(...) __VA_ARGS__ + +/** + * FUNC() - Initialize an ast2700_soc1_function entry. + * @n: Name of the pin function. + * @m: Parenthesized list of mux values mapped 1:1 to the groups list. + * @...: Variable list of pin group names associated with this function. + */ +#define FUNC(n, m, ...) \ + { \ + .name = #n, \ + .groups = (const char *const[]){ __VA_ARGS__ }, \ + .muxvals = (const u8[]){ VM m }, \ + .ngroups = sizeof((const char *const[]){ __VA_ARGS__ }) / \ + sizeof(char *), \ + } + +static const struct ast2700_soc1_function ast2700_soc1_functions[] = { + FUNC(ADC0, (0), "ADC0"), + FUNC(ADC1, (0), "ADC1"), + FUNC(ADC10, (0), "ADC10"), + FUNC(ADC11, (0), "ADC11"), + FUNC(ADC12, (0), "ADC12"), + FUNC(ADC13, (0), "ADC13"), + FUNC(ADC14, (0), "ADC14"), + FUNC(ADC15, (0), "ADC15"), + FUNC(ADC2, (0), "ADC2"), + FUNC(ADC3, (0), "ADC3"), + FUNC(ADC4, (0), "ADC4"), + FUNC(ADC5, (0), "ADC5"), + FUNC(ADC6, (0), "ADC6"), + FUNC(ADC7, (0), "ADC7"), + FUNC(ADC8, (0), "ADC8"), + FUNC(ADC9, (0), "ADC9"), + FUNC(AUXPWRGOOD0, (2), "AUXPWRGOOD0"), + FUNC(AUXPWRGOOD1, (2), "AUXPWRGOOD1"), + FUNC(CANBUS, (2), "CANBUS"), + FUNC(ESPI0, (1), "ESPI0"), + FUNC(ESPI1, (1), "ESPI1"), + FUNC(FSI0, (2), "FSI0"), + FUNC(FSI1, (2), "FSI1"), + FUNC(FSI2, (2), "FSI2"), + FUNC(FSI3, (2), "FSI3"), + FUNC(FWQSPI, (1), "FWQSPI"), + FUNC(FWSPIABR, (1), "FWSPIABR"), + FUNC(FWWPN, (1), "FWWPN"), + FUNC(HBLED, (2), "HBLED"), + FUNC(I2C0, (1, 2, 4), "I2C0", "LTPI_PS_I2C0", "DI2C0"), + FUNC(I2C1, (1, 2, 4), "I2C1", "LTPI_PS_I2C1", "DI2C1"), + FUNC(I2C10, (1, 2), "I2C10", "DI2C10"), + FUNC(I2C11, (1, 2), "I2C11", "DI2C11"), + FUNC(I2C12, (4, 2), "I2C12", "DI2C12"), + FUNC(I2C13, (4, 2), "I2C13", "DI2C13"), + FUNC(I2C14, (4, 2), "I2C14", "DI2C14"), + FUNC(I2C15, (2, 2), "I2C15", "DI2C15"), + FUNC(I2C2, (1, 2, 4), "I2C2", "LTPI_PS_I2C2", "DI2C2"), + FUNC(I2C3, (1, 2, 4), "I2C3", "LTPI_PS_I2C3", "DI2C3"), + FUNC(I2C4, (1), "I2C4"), + FUNC(I2C5, (1), "I2C5"), + FUNC(I2C6, (1), "I2C6"), + FUNC(I2C7, (1), "I2C7"), + FUNC(I2C8, (1, 2), "I2C8", "DI2C8"), + FUNC(I2C9, (1, 2), "I2C9", "DI2C9"), + FUNC(I2CF0, (5), "I2CF0"), + FUNC(I2CF1, (5), "I2CF1"), + FUNC(I2CF2, (5), "I2CF2"), + FUNC(I3C0, (1), "HVI3C0"), + FUNC(I3C1, (1), "HVI3C1"), + FUNC(I3C10, (1), "I3C10"), + FUNC(I3C11, (1), "I3C11"), + FUNC(I3C12, (1), "HVI3C12"), + FUNC(I3C13, (1), "HVI3C13"), + FUNC(I3C14, (1), "HVI3C14"), + FUNC(I3C15, (1), "HVI3C15"), + FUNC(I3C2, (1), "HVI3C2"), + FUNC(I3C3, (1), "HVI3C3"), + FUNC(I3C4, (1), "I3C4"), + FUNC(I3C5, (1), "I3C5"), + FUNC(I3C6, (1), "I3C6"), + FUNC(I3C7, (1), "I3C7"), + FUNC(I3C8, (1), "I3C8"), + FUNC(I3C9, (1), "I3C9"), + FUNC(JTAGM1, (1), "JTAGM1"), + FUNC(LPC0, (2), "LPC0"), + FUNC(LPC1, (2), "LPC1"), + FUNC(LTPI, (2), "LTPI"), + FUNC(MACLINK0, (4), "MACLINK0"), + FUNC(MACLINK1, (3), "MACLINK1"), + FUNC(MACLINK2, (4), "MACLINK2"), + FUNC(MDIO0, (1), "MDIO0"), + FUNC(MDIO1, (1), "MDIO1"), + FUNC(MDIO2, (1), "MDIO2"), + FUNC(NCTS0, (1), "NCTS0"), + FUNC(NCTS1, (1), "NCTS1"), + FUNC(NCTS5, (4), "NCTS5"), + FUNC(NCTS6, (4), "NCTS6"), + FUNC(NDCD0, (1), "NDCD0"), + FUNC(NDCD1, (1), "NDCD1"), + FUNC(NDCD5, (4), "NDCD5"), + FUNC(NDCD6, (4), "NDCD6"), + FUNC(NDSR0, (1), "NDSR0"), + FUNC(NDSR1, (1), "NDSR1"), + FUNC(NDSR5, (4), "NDSR5"), + FUNC(NDSR6, (4), "NDSR6"), + FUNC(NDTR0, (1), "NDTR0"), + FUNC(NDTR1, (1), "NDTR1"), + FUNC(NDTR5, (4), "NDTR5"), + FUNC(NDTR6, (4), "NDTR6"), + FUNC(NRI0, (1), "NRI0"), + FUNC(NRI1, (1), "NRI1"), + FUNC(NRI5, (4), "NRI5"), + FUNC(NRI6, (4), "NRI6"), + FUNC(NRTS0, (1), "NRTS0"), + FUNC(NRTS1, (1), "NRTS1"), + FUNC(NRTS5, (4), "NRTS5"), + FUNC(NRTS6, (4), "NRTS6"), + FUNC(OSCCLK, (3), "OSCCLK"), + FUNC(PCIERC, (2), "PE2SGRSTN"), + FUNC(PWM0, (1), "PWM0"), + FUNC(PWM1, (1), "PWM1"), + FUNC(PWM10, (3), "PWM10"), + FUNC(PWM11, (3), "PWM11"), + FUNC(PWM12, (3), "PWM12"), + FUNC(PWM13, (3), "PWM13"), + FUNC(PWM14, (3), "PWM14"), + FUNC(PWM15, (3), "PWM15"), + FUNC(PWM2, (1), "PWM2"), + FUNC(PWM3, (1), "PWM3"), + FUNC(PWM4, (1), "PWM4"), + FUNC(PWM5, (1), "PWM5"), + FUNC(PWM6, (1), "PWM6"), + FUNC(PWM7, (1), "PWM7"), + FUNC(PWM8, (3), "PWM8"), + FUNC(PWM9, (3), "PWM9"), + FUNC(QSPI0, (1), "QSPI0"), + FUNC(QSPI1, (1), "QSPI1"), + FUNC(QSPI2, (1), "QSPI2"), + FUNC(RGMII0, (1), "RGMII0"), + FUNC(RGMII1, (1), "RGMII1"), + FUNC(RMII0, (2), "RMII0"), + FUNC(RMII0RCLKO, (2), "RMII0RCLKO"), + FUNC(RMII1, (2), "RMII1"), + FUNC(RMII1RCLKO, (2), "RMII1RCLKO"), + FUNC(SALT0, (2), "SALT0"), + FUNC(SALT1, (2), "SALT1"), + FUNC(SALT10, (2), "SALT10"), + FUNC(SALT11, (2), "SALT11"), + FUNC(SALT12, (2), "SALT12"), + FUNC(SALT13, (2), "SALT13"), + FUNC(SALT14, (2), "SALT14"), + FUNC(SALT15, (2), "SALT15"), + FUNC(SALT2, (2), "SALT2"), + FUNC(SALT3, (2), "SALT3"), + FUNC(SALT4, (2), "SALT4"), + FUNC(SALT5, (2), "SALT5"), + FUNC(SALT6, (2), "SALT6"), + FUNC(SALT7, (2), "SALT7"), + FUNC(SALT8, (2), "SALT8"), + FUNC(SALT9, (2), "SALT9"), + FUNC(SD, (3), "SD"), + FUNC(SGMII, (1), "SGMII"), + FUNC(SGPM0, (1, 4), "SGPM0", "DSGPM0"), + FUNC(SGPM1, (1), "SGPM1"), + FUNC(SGPS, (5), "SGPS"), + FUNC(SIOONCTRLN0, (2), "SIOONCTRLN0"), + FUNC(SIOONCTRLN1, (2), "SIOONCTRLN1"), + FUNC(SIOPBIN0, (2), "SIOPBIN0"), + FUNC(SIOPBIN1, (2), "SIOPBIN1"), + FUNC(SIOPBON0, (2), "SIOPBON0"), + FUNC(SIOPBON1, (2), "SIOPBON1"), + FUNC(SIOPWREQN0, (2), "SIOPWREQN0"), + FUNC(SIOPWREQN1, (2), "SIOPWREQN1"), + FUNC(SIOPWRGD1, (2), "SIOPWRGD1"), + FUNC(SIOS3N0, (2), "SIOS3N0"), + FUNC(SIOS3N1, (2), "SIOS3N1"), + FUNC(SIOS5N0, (2), "SIOS5N0"), + FUNC(SIOS5N1, (2), "SIOS5N1"), + FUNC(SIOSCIN0, (2), "SIOSCIN0"), + FUNC(SIOSCIN1, (2), "SIOSCIN1"), + FUNC(SMON0, (2), "SMON0"), + FUNC(SMON1, (4), "SMON1"), + FUNC(SPI0, (1), "SPI0"), + FUNC(SPI0ABR, (1), "SPI0ABR"), + FUNC(SPI0CS1, (1), "SPI0CS1"), + FUNC(SPI0WPN, (1), "SPI0WPN"), + FUNC(SPI1, (1), "SPI1"), + FUNC(SPI1ABR, (1), "SPI1ABR"), + FUNC(SPI1CS1, (1), "SPI1CS1"), + FUNC(SPI1WPN, (1), "SPI1WPN"), + FUNC(SPI2, (1), "SPI2"), + FUNC(SPI2CS1, (1), "SPI2CS1"), + FUNC(TACH0, (1), "TACH0"), + FUNC(TACH1, (1), "TACH1"), + FUNC(TACH10, (1), "TACH10"), + FUNC(TACH11, (1), "TACH11"), + FUNC(TACH12, (1), "TACH12"), + FUNC(TACH13, (1), "TACH13"), + FUNC(TACH14, (1), "TACH14"), + FUNC(TACH15, (1), "TACH15"), + FUNC(TACH2, (1), "TACH2"), + FUNC(TACH3, (1), "TACH3"), + FUNC(TACH4, (1), "TACH4"), + FUNC(TACH5, (1), "TACH5"), + FUNC(TACH6, (1), "TACH6"), + FUNC(TACH7, (1), "TACH7"), + FUNC(TACH8, (1), "TACH8"), + FUNC(TACH9, (1), "TACH9"), + FUNC(THRU0, (2), "THRU0"), + FUNC(THRU1, (2), "THRU1"), + FUNC(THRU2, (4), "THRU2"), + FUNC(THRU3, (4), "THRU3"), + FUNC(UART0, (1), "UART0"), + FUNC(UART1, (1), "UART1"), + FUNC(UART10, (3), "UART10"), + FUNC(UART11, (3), "UART11"), + FUNC(UART2, (1), "UART2"), + FUNC(UART3, (1), "UART3"), + FUNC(UART5, (1), "UART5"), + FUNC(UART6, (1), "UART6"), + FUNC(UART7, (1), "UART7"), + FUNC(UART8, (3), "UART8"), + FUNC(UART9, (3), "UART9"), + FUNC(USB2C, (0, 1, 2, 3), "USB2CUD", "USB2CD", "USB2CH", "USB2CU"), + FUNC(USB2D, (1, 2), "USB2DD", "USB2DH"), + FUNC(USBUART, (2), "USBUART"), + FUNC(VGA, (1), "VGA"), + FUNC(VPI, (5), "VPI"), + FUNC(WDTRST0N, (2), "WDTRST0N"), + FUNC(WDTRST1N, (2), "WDTRST1N"), + FUNC(WDTRST2N, (2), "WDTRST2N"), + FUNC(WDTRST3N, (2), "WDTRST3N"), + FUNC(WDTRST4N, (2), "WDTRST4N"), + FUNC(WDTRST5N, (2), "WDTRST5N"), + FUNC(WDTRST6N, (2), "WDTRST6N"), + FUNC(WDTRST7N, (2), "WDTRST7N"), +}; + +static struct ast2700_soc1_field +ast2700_soc1_pinmux_field_from_pin(unsigned int pin) +{ + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_MUX_BASE + + (pin / AST2700_SOC1_MUX_PINS_PER_REG) * sizeof(u32), + .shift = (pin % AST2700_SOC1_MUX_PINS_PER_REG) * + AST2700_SOC1_MUX_BITS_PER_PIN, + .mask = AST2700_SOC1_MUX_MASK, + }; +} + +static void __iomem *ast2700_soc1_reg(struct ast2700_soc1_pinctrl_priv *priv, + unsigned int offset) +{ + return (u8 __iomem *)priv->scu + offset; +} + +static struct ast2700_soc1_field +ast2700_soc1_field_from_pin(unsigned int pin) +{ + switch (pin) { + case PCIERC2_PERST: + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_PCIE_REG, + .shift = 0, + .mask = 0x1, + }; + case PORTC_MODE: + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_USB_MODE_REG, + .shift = 0, + .mask = 0x3, + }; + case PORTD_MODE: + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_USB_MODE_REG, + .shift = 2, + .mask = 0x3, + }; + case SGMII0: + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_SGMII_REG, + .shift = 0, + .mask = 0x1, + }; + default: + return ast2700_soc1_pinmux_field_from_pin(pin); + } +} + +static void +ast2700_soc1_set_muxval(struct ast2700_soc1_pinctrl_priv *priv, + unsigned int pin, unsigned int muxval) +{ + struct ast2700_soc1_field field = ast2700_soc1_field_from_pin(pin); + + /* + * PCIERC2_PERST is controlled by a 1-bit enable instead of the + * function mux value. + */ + if (pin == PCIERC2_PERST) + muxval = 1; + + clrsetbits_le32(ast2700_soc1_reg(priv, field.reg), + field.mask << field.shift, + (muxval & field.mask) << field.shift); +} + +static int ast2700_soc1_pinctrl_get_pins_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc1_pin_names); +} + +static const char * +ast2700_soc1_pinctrl_get_pin_name(struct udevice *dev, unsigned int selector) +{ + if (selector >= ARRAY_SIZE(ast2700_soc1_pin_names)) + return NULL; + + return ast2700_soc1_pin_names[selector]; +} + +static const struct ast2700_soc1_group * +ast2700_soc1_find_group(const char *name) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(ast2700_soc1_groups); i++) { + if (!strcmp(ast2700_soc1_groups[i].name, name)) + return &ast2700_soc1_groups[i]; + } + + return NULL; +} + +static int ast2700_soc1_pinctrl_get_pin_muxing(struct udevice *dev, + unsigned int selector, + char *buf, int size) +{ + struct ast2700_soc1_pinctrl_priv *priv = dev_get_priv(dev); + const struct ast2700_soc1_function *func; + const struct ast2700_soc1_group *group; + struct ast2700_soc1_field field; + unsigned int muxval, want, f, g, i; + bool adc_pin; + + if (selector >= ARRAY_SIZE(ast2700_soc1_pin_names)) + return -EINVAL; + + field = ast2700_soc1_field_from_pin(selector); + muxval = (readl(ast2700_soc1_reg(priv, field.reg)) >> field.shift) & + field.mask; + + /* Mux value 0 selects GPIO, except on the ADC balls where it is 1 */ + adc_pin = selector >= W17 && selector <= AB19; + if (selector <= AC24 && muxval == (adc_pin ? 1 : 0)) { + snprintf(buf, size, "GPIO"); + return 0; + } + + for (f = 0; f < ARRAY_SIZE(ast2700_soc1_functions); f++) { + func = &ast2700_soc1_functions[f]; + for (g = 0; g < func->ngroups; g++) { + want = func->muxvals[g]; + /* PCIERC2_PERST is a 1-bit enable, not a mux value */ + if (selector == PCIERC2_PERST) + want = 1; + if (want != muxval) + continue; + group = ast2700_soc1_find_group(func->groups[g]); + if (!group) + continue; + for (i = 0; i < group->npins; i++) { + if (group->pins[i] != selector) + continue; + snprintf(buf, size, "%s (%s)", func->name, + group->name); + return 0; + } + } + } + + snprintf(buf, size, "unknown (mux 0x%x)", muxval); + + return 0; +} + +static int ast2700_soc1_pinctrl_get_groups_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc1_groups); +} + +static const char * +ast2700_soc1_pinctrl_get_group_name(struct udevice *dev, + unsigned int selector) +{ + if (selector >= ARRAY_SIZE(ast2700_soc1_groups)) + return NULL; + + return ast2700_soc1_groups[selector].name; +} + +static int ast2700_soc1_pinctrl_get_functions_count(struct udevice *dev) +{ + return ARRAY_SIZE(ast2700_soc1_functions); +} + +static const char * +ast2700_soc1_pinctrl_get_function_name(struct udevice *dev, + unsigned int selector) +{ + if (selector >= ARRAY_SIZE(ast2700_soc1_functions)) + return NULL; + + return ast2700_soc1_functions[selector].name; +} + +static int +ast2700_soc1_pinctrl_group_set(struct udevice *dev, + unsigned int group_selector, + unsigned int func_selector) +{ + struct ast2700_soc1_pinctrl_priv *priv = dev_get_priv(dev); + const struct ast2700_soc1_function *func; + const struct ast2700_soc1_group *group; + unsigned int muxval = 0; + unsigned int i; + + if (group_selector >= ARRAY_SIZE(ast2700_soc1_groups) || + func_selector >= ARRAY_SIZE(ast2700_soc1_functions)) + return -EINVAL; + + group = &ast2700_soc1_groups[group_selector]; + func = &ast2700_soc1_functions[func_selector]; + + for (i = 0; i < func->ngroups; i++) { + if (!strcmp(group->name, func->groups[i])) { + muxval = func->muxvals[i]; + break; + } + } + + if (i == func->ngroups) + return -EINVAL; + + for (i = 0; i < group->npins; i++) + ast2700_soc1_set_muxval(priv, group->pins[i], muxval); + + return 0; +} + +static int +ast2700_soc1_pinctrl_gpio_request_enable(struct udevice *dev, + unsigned int selector) +{ + struct ast2700_soc1_pinctrl_priv *priv = dev_get_priv(dev); + unsigned int muxval = 0; + + if (selector > AC24) + return -ENOTSUPP; + + if (selector >= W17 && selector <= AB19) + muxval = 1; + + ast2700_soc1_set_muxval(priv, selector, muxval); + + return 0; +} + +/* + * Drive strength is controlled by 2-bit fields in the registers at + * DRV_BASE, but the mapping from pins to fields is sparse and + * non-linear: only a subset of the pins supports drive strength + * selection. The table stores (field index + 1) so that the implicit + * zero initialization marks the unsupported pins. + */ +static const u8 ast2700_soc1_drv_map[] = { + [C16] = 1, [C14] = 2, [C11] = 3, [D9] = 4, [F14] = 5, + [D10] = 6, [C12] = 7, [C13] = 8, [W25] = 9, [Y23] = 10, + [Y24] = 11, [W21] = 12, [AA23] = 13, [AC22] = 14, [AB22] = 15, + [Y21] = 16, [AE20] = 17, [AF19] = 18, [Y22] = 19, [AA20] = 20, + [AA22] = 21, [AB20] = 22, [AF18] = 23, [AE19] = 24, [AD20] = 25, + [AC20] = 26, [AA21] = 27, [AB21] = 28, [AC19] = 29, [AE18] = 30, + [AD19] = 31, [AD18] = 32, [U25] = 33, [U26] = 34, [Y26] = 35, + [AA24] = 36, [R25] = 37, [AA26] = 38, [R26] = 39, [Y25] = 40, + [B16] = 41, [D14] = 42, [B15] = 43, [B14] = 44, [C17] = 45, + [B13] = 46, [E14] = 47, [C15] = 48, [D24] = 49, [B23] = 50, + [B22] = 51, [C23] = 52, [B18] = 53, [B21] = 54, [M15] = 55, + [B19] = 56, [B26] = 57, [A25] = 58, [A24] = 59, [B24] = 60, + [E26] = 61, [A21] = 62, [A19] = 63, [A18] = 64, [D26] = 65, + [C26] = 66, [A23] = 67, [A22] = 68, [B25] = 69, [F26] = 70, + [A26] = 71, [A14] = 72, [E10] = 73, [E13] = 74, [D12] = 75, + [F10] = 76, [E11] = 77, [F11] = 78, [F13] = 79, [N15] = 80, + [C20] = 81, [C19] = 82, [A8] = 83, [R14] = 84, [A7] = 85, + [P14] = 86, [D20] = 87, [A6] = 88, [B6] = 89, [N14] = 90, + [B7] = 91, [B8] = 92, [B9] = 93, [M14] = 94, [J11] = 95, + [E7] = 96, [D19] = 97, [B11] = 98, [D15] = 99, [B12] = 100, + [B10] = 101, [P13] = 102, [C18] = 103, [C6] = 104, [C7] = 105, + [D7] = 106, [N13] = 107, [C8] = 108, [C9] = 109, [C10] = 110, + [M16] = 111, [A15] = 112, [E9] = 113, [F9] = 114, [F8] = 115, + [M13] = 116, [F7] = 117, [D8] = 118, [E8] = 119, [L12] = 120, +}; + +static struct ast2700_soc1_field +ast2700_soc1_bias_field_from_pin(unsigned int pin) +{ + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_BIAS_BASE + + (pin / AST2700_SOC1_BIAS_PINS_PER_REG) * sizeof(u32), + .shift = pin % AST2700_SOC1_BIAS_PINS_PER_REG, + .mask = 0x1, + }; +} + +static struct ast2700_soc1_field +ast2700_soc1_drv_field_from_idx(unsigned int idx) +{ + return (struct ast2700_soc1_field){ + .reg = AST2700_SOC1_DRV_BASE + + (idx / AST2700_SOC1_DRV_PINS_PER_REG) * sizeof(u32), + .shift = (idx % AST2700_SOC1_DRV_PINS_PER_REG) * + AST2700_SOC1_DRV_BITS_PER_PIN, + .mask = AST2700_SOC1_DRV_MASK, + }; +} + +static const struct pinconf_param ast2700_soc1_pinconf_params[] = { + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 0 }, + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, +}; + +static int ast2700_soc1_pinctrl_pinconf_set(struct udevice *dev, + unsigned int selector, + unsigned int param, + unsigned int arg) +{ + struct ast2700_soc1_pinctrl_priv *priv = dev_get_priv(dev); + struct ast2700_soc1_field field; + unsigned int val, idx; + + if (selector > AC24) + return -EINVAL; + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_PULL_DOWN: + case PIN_CONFIG_BIAS_PULL_UP: + /* + * One bias enable bit per pin; the pull direction is fixed + * in silicon. Setting the bit disables the bias. + */ + field = ast2700_soc1_bias_field_from_pin(selector); + val = param == PIN_CONFIG_BIAS_DISABLE ? 1 : 0; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + if (selector >= ARRAY_SIZE(ast2700_soc1_drv_map) || + !ast2700_soc1_drv_map[selector]) + return -ENOTSUPP; + if (arg < AST2700_SOC1_DRV_MIN_MA || + arg > AST2700_SOC1_DRV_MAX_MA || + arg % AST2700_SOC1_DRV_STEP_MA) + return -EINVAL; + idx = ast2700_soc1_drv_map[selector] - 1; + field = ast2700_soc1_drv_field_from_idx(idx); + val = arg / AST2700_SOC1_DRV_STEP_MA - 1; + break; + default: + return -ENOTSUPP; + } + + clrsetbits_le32(ast2700_soc1_reg(priv, field.reg), + field.mask << field.shift, val << field.shift); + + return 0; +} + +static int ast2700_soc1_pinctrl_pinconf_group_set(struct udevice *dev, + unsigned int selector, + unsigned int param, + unsigned int arg) +{ + const struct ast2700_soc1_group *group; + unsigned int i; + int ret; + + if (selector >= ARRAY_SIZE(ast2700_soc1_groups)) + return -EINVAL; + + group = &ast2700_soc1_groups[selector]; + for (i = 0; i < group->npins; i++) { + ret = ast2700_soc1_pinctrl_pinconf_set(dev, group->pins[i], + param, arg); + if (ret) + return ret; + } + + return 0; +} + +static int ast2700_soc1_pinctrl_probe(struct udevice *dev) +{ + struct ast2700_soc1_pinctrl_priv *priv = dev_get_priv(dev); + + priv->scu = dev_remap_addr(dev->parent); + if (!priv->scu) + return -ENOMEM; + + return 0; +} + +static const struct pinctrl_ops ast2700_soc1_pinctrl_ops = { + .set_state = pinctrl_generic_set_state, + .get_pins_count = ast2700_soc1_pinctrl_get_pins_count, + .get_pin_name = ast2700_soc1_pinctrl_get_pin_name, + .get_pin_muxing = ast2700_soc1_pinctrl_get_pin_muxing, + .get_groups_count = ast2700_soc1_pinctrl_get_groups_count, + .get_group_name = ast2700_soc1_pinctrl_get_group_name, + .get_functions_count = ast2700_soc1_pinctrl_get_functions_count, + .get_function_name = ast2700_soc1_pinctrl_get_function_name, + .pinmux_group_set = ast2700_soc1_pinctrl_group_set, + .gpio_request_enable = ast2700_soc1_pinctrl_gpio_request_enable, + .pinconf_num_params = ARRAY_SIZE(ast2700_soc1_pinconf_params), + .pinconf_params = ast2700_soc1_pinconf_params, + .pinconf_set = ast2700_soc1_pinctrl_pinconf_set, + .pinconf_group_set = ast2700_soc1_pinctrl_pinconf_group_set, +}; + +static const struct udevice_id ast2700_soc1_pinctrl_ids[] = { + { .compatible = "aspeed,ast2700-soc1-pinctrl" }, + { } +}; + +U_BOOT_DRIVER(pinctrl_ast2700_soc1) = { + .name = "aspeed_ast2700_soc1_pinctrl", + .id = UCLASS_PINCTRL, + .of_match = ast2700_soc1_pinctrl_ids, + .priv_auto = sizeof(struct ast2700_soc1_pinctrl_priv), + .ops = &ast2700_soc1_pinctrl_ops, + .probe = ast2700_soc1_pinctrl_probe, +}; diff --git a/drivers/pinctrl/spacemit/Kconfig b/drivers/pinctrl/spacemit/Kconfig new file mode 100644 index 00000000000..6aab89e160c --- /dev/null +++ b/drivers/pinctrl/spacemit/Kconfig @@ -0,0 +1,9 @@ +config PINCTRL_SPACEMIT_K1 + bool "Spacemit K1 SoC pinctrl driver" + depends on PINCTRL_GENERIC && DM + help + Supports pin multiplexing control on Spacemit K1 SoCs. + + The driver is controlled by a device tree node which contains both + the GPIO definitions and pin control functions for each available + multiplex function. diff --git a/drivers/pinctrl/spacemit/Makefile b/drivers/pinctrl/spacemit/Makefile new file mode 100644 index 00000000000..0dc43c72cb1 --- /dev/null +++ b/drivers/pinctrl/spacemit/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-y += pinctrl-k1.o diff --git a/drivers/pinctrl/spacemit/pinctrl-k1.c b/drivers/pinctrl/spacemit/pinctrl-k1.c new file mode 100644 index 00000000000..a6a22eacac7 --- /dev/null +++ b/drivers/pinctrl/spacemit/pinctrl-k1.c @@ -0,0 +1,550 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2024 Yixun Lan <[email protected]> + * Copyright (c) 2025-2026 RISCstar Ltd. + */ + +#include <clk.h> +#include <dm/device.h> +#include <dm/device_compat.h> +#include <dm/pinctrl.h> +#include <dm/read.h> +#include <linux/bitops.h> +#include <linux/errno.h> +#include <linux/io.h> + +/* + * +---------+----------+-----------+--------+--------+----------+--------+ + * | pull | drive | schmitter | slew | edge | strong | mux | + * | up/down | strength | trigger | rate | detect | pull | mode | + * +---------+----------+-----------+--------+--------+----------+--------+ + * 3 bits 3 bits 2 bits 1 bit 3 bits 1 bit 3 bits + */ + +#define PAD_MUX GENMASK(2, 0) +#define PAD_STRONG_PULL BIT(3) +#define PAD_EDGE_RISE BIT(4) +#define PAD_EDGE_FALL BIT(5) +#define PAD_EDGE_CLEAR BIT(6) +#define PAD_SLEW_RATE GENMASK(12, 11) +#define PAD_SLEW_RATE_EN BIT(7) +#define PAD_SCHMITT GENMASK(9, 8) +#define PAD_DRIVE GENMASK(12, 10) +#define PAD_PULLDOWN BIT(13) +#define PAD_PULLUP BIT(14) +#define PAD_PULL_EN BIT(15) + +#define PIN_POWER_STATE_1V8 1800 +#define PIN_POWER_STATE_3V3 3300 + +enum spacemit_pin_io_type { + IO_TYPE_NONE = 0, + IO_TYPE_1V8, + IO_TYPE_3V3, + IO_TYPE_EXTERNAL, +}; + +struct spacemit_pin_io { + unsigned int pin : 12; // 0~4095 + unsigned int io_type : 4; // 0~15 + unsigned int ds : 8; // 0~255 + unsigned int reserved : 8; +}; + +struct spacemit_pinctrl_data { + struct spacemit_pin_io *io_pins; + int nr_io_pins; + + void __iomem * (*pin_to_reg)(struct udevice *dev, unsigned int pin); + int (*get_gpio_mux)(struct udevice *dev, unsigned int pin); + int (*get_pins)(struct udevice *dev); + int (*get_functions)(struct udevice *dev); + int (*get_io_type)(struct udevice *dev, unsigned int pin); +}; + +struct spacemit_pinctrl_priv { + void __iomem *regs; + struct spacemit_pin_io *io_pins; + int nr_io_pins; +}; + +struct spacemit_pin_mux_config { + const struct spacemit_pin *pin; + u32 config; +}; + +struct spacemit_pin_drv_strength { + unsigned int val : 8; + unsigned int ma : 16; + unsigned int reserved : 8; +}; + +static char pin_name[PINNAME_SIZE]; + +/* External: IO voltage via external source, can be 1.8V or 3.3V */ +static struct spacemit_pin_io k1_io_pins[] = { + { 47, IO_TYPE_EXTERNAL, 0, }, + { 48, IO_TYPE_EXTERNAL, 0, }, + { 49, IO_TYPE_EXTERNAL, 0, }, + { 50, IO_TYPE_EXTERNAL, 0, }, + { 51, IO_TYPE_EXTERNAL, 0, }, + { 52, IO_TYPE_EXTERNAL, 0, }, + { 75, IO_TYPE_EXTERNAL, 0, }, + { 76, IO_TYPE_EXTERNAL, 0, }, + { 77, IO_TYPE_EXTERNAL, 0, }, + { 78, IO_TYPE_EXTERNAL, 0, }, + { 79, IO_TYPE_EXTERNAL, 0, }, + { 80, IO_TYPE_EXTERNAL, 0, }, + { 98, IO_TYPE_EXTERNAL, 0, }, + { 99, IO_TYPE_EXTERNAL, 0, }, + { 100, IO_TYPE_EXTERNAL, 0, }, + { 101, IO_TYPE_EXTERNAL, 0, }, + { 102, IO_TYPE_EXTERNAL, 0, }, + { 103, IO_TYPE_EXTERNAL, 0, }, + { 104, IO_TYPE_EXTERNAL, 0, }, + { 105, IO_TYPE_EXTERNAL, 0, }, + { 106, IO_TYPE_EXTERNAL, 0, }, + { 107, IO_TYPE_EXTERNAL, 0, }, + { 108, IO_TYPE_EXTERNAL, 0, }, + { 109, IO_TYPE_EXTERNAL, 0, }, +}; + +static inline int k1_get_pins(struct udevice *dev) +{ + return 128; +} + +static inline int k1_get_functions(struct udevice *dev) +{ + return 7; +} + +// The pin number equals to the gpio number. +static void __iomem *k1_pin_to_reg(struct udevice *dev, unsigned int pin) +{ + struct spacemit_pinctrl_priv *priv = dev_get_priv(dev); + unsigned int offset = 1; + + if (pin < 86) { + offset += pin; + } else if (pin < 93) { + offset += pin + 36; + } else if (pin < 98) { + offset += pin + 23; + } else if (pin == 98) { // QSPI_DAT3 + offset += 92; + } else if (pin == 99) { // QSPI_DAT2 + offset += 91; + } else if (pin == 100) { // QSPI_DAT1 + offset += 90; + } else if (pin == 101) { // QSPI_DAT0 + offset += 89; + } else if (pin == 102) { // QSPI_CLK + offset += 94; + } else if (pin == 103) { // QSPI_CS1 + offset += 93; + } else if (pin < 111) { + offset += pin + 5; + } else if (pin < 128) { + offset += pin + 19; + } else { + dev_err(dev, "Invalid pin (%u)\n", pin); + return NULL; + } + return priv->regs + (offset << 2); +} + +static int k1_get_gpio_mux(struct udevice *dev, unsigned int selector) +{ + u32 mux = 0; + + if (selector < 70) { + mux = 0; + } else if (selector < 74) { + mux = 1; + } else if (selector < 93) { + mux = 0; + } else if (selector < 104) { + mux = 1; + } else if (selector < 110) { + mux = 4; + } else if (selector < 128) { + mux = 0; + } else { + dev_err(dev, "Invalid pin (%u)\n", selector); + return -EINVAL; + } + return mux; +} + +static int k1_get_io_type(struct udevice *dev, unsigned int selector) +{ + if (selector < 47) + return IO_TYPE_1V8; + else if (selector < 53) + return IO_TYPE_EXTERNAL; + else if (selector < 75) + return IO_TYPE_1V8; + else if (selector < 81) + return IO_TYPE_EXTERNAL; + else if (selector < 98) + return IO_TYPE_1V8; + else if (selector < 110) + return IO_TYPE_EXTERNAL; + else if (selector < 128) + return IO_TYPE_1V8; + return -EINVAL; +} + +/* use IO high level output current as the table */ +static struct spacemit_pin_drv_strength spacemit_ds_1v8_tbl[4] = { + { 0, 11 }, + { 2, 21 }, + { 4, 32 }, + { 6, 42 }, +}; + +static struct spacemit_pin_drv_strength spacemit_ds_3v3_tbl[8] = { + { 0, 7 }, + { 2, 10 }, + { 4, 13 }, + { 6, 16 }, + { 1, 19 }, + { 3, 23 }, + { 5, 26 }, + { 7, 29 }, +}; + +static inline u8 spacemit_get_ds_value(struct spacemit_pin_drv_strength *tbl, + u32 num, u32 ma) +{ + int i; + + for (i = 0; i < num; i++) + if (ma <= tbl[i].ma) + return tbl[i].val; + + return tbl[num - 1].val; +} + +static inline u32 spacemit_get_ds_ma(struct spacemit_pin_drv_strength *tbl, + u32 num, u32 val) +{ + int i; + + for (i = 0; i < num; i++) + if (val == tbl[i].val) + return tbl[i].ma; + + return 0; +} + +static inline u8 spacemit_get_drive_strength(enum spacemit_pin_io_type type, + u32 ma) +{ + switch (type) { + case IO_TYPE_1V8: + return spacemit_get_ds_value(spacemit_ds_1v8_tbl, + ARRAY_SIZE(spacemit_ds_1v8_tbl), + ma); + case IO_TYPE_3V3: + return spacemit_get_ds_value(spacemit_ds_3v3_tbl, + ARRAY_SIZE(spacemit_ds_3v3_tbl), + ma); + default: + return 0; + } +} + +static inline u32 spacemit_get_drive_strength_ma(enum spacemit_pin_io_type type, + u32 value) +{ + switch (type) { + case IO_TYPE_1V8: + return spacemit_get_ds_ma(spacemit_ds_1v8_tbl, + ARRAY_SIZE(spacemit_ds_1v8_tbl), + value & 0x6); + case IO_TYPE_3V3: + return spacemit_get_ds_ma(spacemit_ds_3v3_tbl, + ARRAY_SIZE(spacemit_ds_3v3_tbl), + value); + default: + return 0; + } +} + +static inline u16 spacemit_dt_get_pin(u32 value) +{ + return value >> 16; +} + +static inline u16 spacemit_dt_get_pin_mux(u32 value) +{ + return value & GENMASK(15, 0); +} + +static int spacemit_get_pins_count(struct udevice *dev) +{ + struct spacemit_pinctrl_data *data; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->get_pins) + return -EINVAL; + return data->get_pins(dev); +} + +static const char *spacemit_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + struct spacemit_pinctrl_data *data; + unsigned int npins; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->get_pins) + return NULL; + npins = data->get_pins(dev); + + if (selector >= npins) + snprintf(pin_name, PINNAME_SIZE, "Error"); + else + snprintf(pin_name, PINNAME_SIZE, "PIN%u", selector); + + return pin_name; +} + +static int spacemit_get_functions_count(struct udevice *dev) +{ + struct spacemit_pinctrl_data *data; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->get_functions) + return -EINVAL; + return data->get_functions(dev); +} + +static int spacemit_get_pin_muxing(struct udevice *dev, unsigned int pin, + char *buf, int size) +{ + struct spacemit_pinctrl_data *data; + void __iomem *addr; + u32 mux, val; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->pin_to_reg) + return -EINVAL; + + addr = data->pin_to_reg(dev, pin); + if (!addr) + return -EINVAL; + + val = readl(addr); + mux = val & PAD_MUX; + snprintf(buf, size, "[%p] 0x%08x MUX%d", addr, val, mux); + return 0; +} + +static int spacemit_pinctrl_request_gpio(struct udevice *dev, + unsigned int selector) +{ + struct spacemit_pinctrl_data *data; + void __iomem *addr; + int mux; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->pin_to_reg || !data->get_gpio_mux) + return -EINVAL; + addr = data->pin_to_reg(dev, selector); + mux = data->get_gpio_mux(dev, selector); + if (mux < 0) { + dev_err(dev, "Invalid pin (%d)\n", selector); + return -EINVAL; + } + clrsetbits_le32(addr, PAD_MUX, mux & PAD_MUX); + return 0; +} + +static int spacemit_pinctrl_free_gpio(struct udevice *dev, + unsigned int selector) +{ + return 0; +} + +static int spacemit_pinmux_set(struct udevice *dev, unsigned int pin, + unsigned int mux) +{ + struct spacemit_pinctrl_data *data; + void __iomem *addr; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->pin_to_reg) + return -EINVAL; + addr = data->pin_to_reg(dev, pin); + clrsetbits_le32(addr, PAD_MUX, mux & PAD_MUX); + return 0; +} + +static int spacemit_pinmux_property_set(struct udevice *dev, u32 pinmux_group) +{ + u32 pin, mux; + + pin = spacemit_dt_get_pin(pinmux_group); + mux = spacemit_dt_get_pin_mux(pinmux_group); + return spacemit_pinmux_set(dev, pin, mux); +} + +static const struct pinconf_param spacemit_pinconf_params[] = { + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, U32_MAX }, + { "power-source", PIN_CONFIG_POWER_SOURCE, U32_MAX }, +}; + +static int spacemit_pinconf_set(struct udevice *dev, unsigned int pin_selector, + unsigned int param, unsigned int argument) +{ + struct spacemit_pinctrl_data *data; + struct spacemit_pinctrl_priv *priv = dev_get_priv(dev); + void __iomem *addr; + u32 mask = 0; + unsigned int io_type; + u8 ds; + bool found; + int i; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + if (!data || !data->pin_to_reg) + return -EINVAL; + addr = data->pin_to_reg(dev, pin_selector); + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + clrbits_le32(addr, PAD_PULLUP | PAD_PULLDOWN | PAD_PULL_EN); + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + mask = PAD_PULLDOWN | PAD_PULLUP | PAD_PULL_EN; + clrsetbits_le32(addr, mask, PAD_PULLDOWN | PAD_PULL_EN); + break; + case PIN_CONFIG_BIAS_PULL_UP: + mask = PAD_PULLDOWN | PAD_PULLUP | PAD_PULL_EN; + clrsetbits_le32(addr, mask, PAD_PULLUP | PAD_PULL_EN); + break; + case PIN_CONFIG_DRIVE_STRENGTH: + io_type = IO_TYPE_1V8; + for (i = 0; i < priv->nr_io_pins; i++) { + if (priv->io_pins[i].pin != pin_selector) + continue; + io_type = priv->io_pins[i].io_type; + break; + } + if (io_type != IO_TYPE_3V3 && io_type != IO_TYPE_1V8) { + dev_err(dev, "Invalid IO type (%d)\n", io_type); + return -EINVAL; + } + ds = spacemit_get_drive_strength(io_type, argument); + clrsetbits_le32(addr, PAD_DRIVE, ds); + break; + case PIN_CONFIG_POWER_SOURCE: + for (i = 0, found = false; i < priv->nr_io_pins; i++) { + if (priv->io_pins[i].pin != pin_selector) + continue; + if (argument == PIN_POWER_STATE_3V3) { + priv->io_pins[i].io_type = IO_TYPE_3V3; + found = true; + } else if (argument == PIN_POWER_STATE_1V8) { + priv->io_pins[i].io_type = IO_TYPE_1V8; + found = true; + } + break; + } + if (!found && argument != PIN_POWER_STATE_1V8) { + dev_err(dev, "Invalid power source (%d)\n", argument); + return -EINVAL; + } + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + +static int spacemit_pinctrl_probe(struct udevice *dev) +{ + struct spacemit_pinctrl_data *data; + struct spacemit_pinctrl_priv *priv; + struct clk_bulk clks; + size_t size; + int ret; + + data = (struct spacemit_pinctrl_data *)dev_get_driver_data(dev); + priv = dev_get_priv(dev); + priv->regs = dev_read_addr_ptr(dev); + if (!priv->regs) { + dev_err(dev, "Fail to get base address\n"); + return -EINVAL; + } + priv->nr_io_pins = data->nr_io_pins; + size = priv->nr_io_pins * sizeof(struct spacemit_pin_io); + priv->io_pins = (struct spacemit_pin_io *)memdup(data->io_pins, size); + if (!priv->io_pins) { + dev_err(dev, "Fail to allocate memory\n"); + return -ENOMEM; + } + + ret = clk_get_bulk(dev, &clks); + if (ret) { + dev_err(dev, "Fail to get bulk clks\n"); + goto out_get_clk; + } + ret = clk_enable_bulk(&clks); + if (ret) { + dev_err(dev, "Fail to enable bulk clks\n"); + goto out_clks; + } + return 0; +out_clks: + clk_release_bulk(&clks); +out_get_clk: + free(priv->io_pins); + return ret; +} + +static const struct spacemit_pinctrl_data k1_pinctrl_data = { + .io_pins = k1_io_pins, + .nr_io_pins = ARRAY_SIZE(k1_io_pins), + .pin_to_reg = k1_pin_to_reg, + .get_gpio_mux = k1_get_gpio_mux, + .get_pins = k1_get_pins, + .get_functions = k1_get_functions, + .get_io_type = k1_get_io_type, +}; + +static const struct udevice_id spacemit_pinctrl_ids[] = { + { + .compatible = "spacemit,k1-pinctrl", + .data = (uintptr_t)&k1_pinctrl_data, + }, { /* sentinel */ } +}; + +static const struct pinctrl_ops spacemit_pinctrl_ops = { + .get_pins_count = spacemit_get_pins_count, + .get_pin_name = spacemit_get_pin_name, + .get_functions_count = spacemit_get_functions_count, + .get_pin_muxing = spacemit_get_pin_muxing, + .set_state = pinctrl_generic_set_state, + .gpio_request_enable = spacemit_pinctrl_request_gpio, + .gpio_disable_free = spacemit_pinctrl_free_gpio, + .pinmux_set = spacemit_pinmux_set, + .pinmux_property_set = spacemit_pinmux_property_set, + .pinconf_num_params = ARRAY_SIZE(spacemit_pinconf_params), + .pinconf_params = spacemit_pinconf_params, + .pinconf_set = spacemit_pinconf_set, +}; + +U_BOOT_DRIVER(spacemit_pinctrl) = { + .name = "spacemit_pinctrl", + .id = UCLASS_PINCTRL, + .of_match = spacemit_pinctrl_ids, + .ops = &spacemit_pinctrl_ops, + .priv_auto = sizeof(struct spacemit_pinctrl_priv), + .probe = spacemit_pinctrl_probe, +}; diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index 4bd9b4e1940..d45869cb30f 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -434,6 +434,14 @@ config PMIC_RAA215300 allows register access and will bind the sysreset driver (CONFIG_SYSRESET_RAA215300) if it is enabled. +config PMIC_SPACEMIT_P1 + bool "Enable driver for Spacemit P1 power management chip" + depends on DM_PMIC + help + The P1 PMIC integrates multiple functions including + voltage regulators, a watchdog timer, GPIO interfaces, and a + real-time clock. + config DM_PMIC_MTK_PWRAP bool "Enable driver for MediaTek PMIC Wrapper Support" help diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 2cda5a892fd..0ac92084221 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_$(PHASE_)DM_PMIC_TPS80031) += tps80031.o obj-$(CONFIG_$(PHASE_)PMIC_PALMAS) += palmas.o obj-$(CONFIG_$(PHASE_)PMIC_LP873X) += lp873x.o obj-$(CONFIG_$(PHASE_)PMIC_LP87565) += lp87565.o +obj-$(CONFIG_PMIC_SPACEMIT_P1) += pmic_spacemit_p1.o obj-$(CONFIG_PMIC_STPMIC1) += stpmic1.o obj-$(CONFIG_PMIC_TPS65217) += pmic_tps65217.o obj-$(CONFIG_PMIC_TPS65219) += tps65219.o diff --git a/drivers/power/pmic/pmic_spacemit_p1.c b/drivers/power/pmic/pmic_spacemit_p1.c new file mode 100644 index 00000000000..46c5926874c --- /dev/null +++ b/drivers/power/pmic/pmic_spacemit_p1.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2025-2026 RISCstar Ltd. + */ + +#include <dm.h> +#include <power/pmic.h> +#include <power/spacemit_p1.h> + +static int pmic_p1_reg_count(struct udevice *dev) +{ + return P1_MAX_REGS; +} + +static int pmic_p1_write(struct udevice *dev, uint reg, const u8 *buffer, + int len) +{ + int ret; + + ret = dm_i2c_write(dev, reg, buffer, len); + if (ret) + pr_err("%s write error on register %02x\n", dev->name, reg); + + return ret; +} + +static int pmic_p1_read(struct udevice *dev, uint reg, u8 *buffer, + int len) +{ + int ret; + + ret = dm_i2c_read(dev, reg, buffer, len); + if (ret) + pr_err("%s read error on register %02x\n", dev->name, reg); + + return ret; +} + +static const struct pmic_child_info p1_children_info[] = { + { .prefix = "buck", .driver = P1_BUCK_DRIVER }, + { .prefix = "aldo", .driver = P1_ALDO_DRIVER }, + { .prefix = "dldo", .driver = P1_DLDO_DRIVER }, + { }, +}; + +static int pmic_p1_bind(struct udevice *dev) +{ + const struct pmic_child_info *p1_children_info = + (struct pmic_child_info *)dev_get_driver_data(dev); + ofnode regulators_node; + int children; + + regulators_node = dev_read_subnode(dev, "regulators"); + if (!ofnode_valid(regulators_node)) { + debug("%s regulators subnode not found\n", dev->name); + return -EINVAL; + } + + children = pmic_bind_children(dev, regulators_node, + p1_children_info); + if (!children) + debug("%s has no children (regulators)\n", dev->name); + + return 0; +} + +static int pmic_p1_probe(struct udevice *dev) +{ + return 0; +} + +static struct dm_pmic_ops pmic_p1_ops = { + .reg_count = pmic_p1_reg_count, + .read = pmic_p1_read, + .write = pmic_p1_write, +}; + +static const struct udevice_id pmic_p1_match[] = { + { + .compatible = "spacemit,p1", + .data = (ulong)&p1_children_info, + }, { + /* sentinel */ + } +}; + +U_BOOT_DRIVER(pmic_p1) = { + .name = "pmic_p1", + .id = UCLASS_PMIC, + .of_match = pmic_p1_match, + .bind = pmic_p1_bind, + .probe = pmic_p1_probe, + .ops = &pmic_p1_ops, +}; diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index 3b3ed97eb9f..c3dc5d6f97b 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -557,3 +557,53 @@ config DM_REGULATOR_MT6359 MediaTek MT6359 PMIC. This driver supports the control of different power rails of device through regulator interface. + +config DM_REGULATOR_PMBUS_HELPER + bool "Shared regulator helpers for PMBus chip drivers" + depends on DM_REGULATOR && PMBUS && DM_I2C + help + Provide shared get_value / set_value / get_enable / set_enable + operations for UCLASS_REGULATOR drivers that bind PMBus 1.x + compliant voltage regulators. Per chip drivers + (mps,mpq8785, lltc,ltc3882, ...) consume this helper to avoid + duplicating the LINEAR16 / DIRECT decoder dispatch and the + VOUT_MODE / VOUT_COMMAND / OPERATION transport sequences. + +config DM_REGULATOR_PMBUS_GENERIC + bool "Generic PMBus 1.x regulator driver (compatible=\"pmbus\")" + depends on DM_REGULATOR_PMBUS_HELPER + help + Catch all UCLASS_REGULATOR driver bound to compatible = "pmbus". + Auto detects the VOUT numeric format from the chip's VOUT_MODE + register and exposes telemetry plus voltage set / get against + the standard PMBus 1.x command codes. Use this for PMBus + compliant chips that have no per chip driver yet; promote to a + per chip driver only when chip specific quirks (vendor + registers, VID coercion, ADDR pin auto promotion, non standard + m / b / R coefficients) need handling. + +config DM_REGULATOR_MPQ8785 + bool "MPS MPQ8785 / MPM3695 / MPM82504 PMBus voltage regulator" + depends on DM_REGULATOR_PMBUS_HELPER + help + Driver for the Monolithic Power Systems MPQ8785 family of + digital multiphase voltage regulators with PMBus. Supports + MPM3695, MPM3695-25, MPM82504, and MPQ8785. Adapted from the + Linux drivers/hwmon/pmbus/mpq8785.c reference. + +config SANDBOX_PMBUS + bool "Sandbox PMBus 1.x chip emulator" + depends on SANDBOX && PMBUS && DM_I2C + help + Emulate a PMBus 1.x compliant chip behind a sandbox I2C bus so + the PMBus framework (lib/pmbus.c), the generic regulator + (DM_REGULATOR_PMBUS_GENERIC) and the pmbus CLI command can be + exercised by the dm unit tests with no real hardware. Only + useful for testing; say N on real boards. + +config DM_REGULATOR_SPACEMIT_P1 + bool "Enable driver for Spacemit P1 PMIC regulators" + depends on DM_REGULATOR && PMIC_SPACEMIT_P1 + help + Enable implementation of driver-model regulator uclass features + for regulator P1. The driver supports BUCKs, LDOs and SWITCHes. diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index 36a84e7cd71..3a148545387 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_$(PHASE_)REGULATOR_RK8XX) += rk8xx.o obj-$(CONFIG_DM_REGULATOR_S2MPS11) += s2mps11_regulator.o obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o obj-$(CONFIG_DM_REGULATOR_SANDBOX) += sandbox.o +obj-$(CONFIG_DM_REGULATOR_SPACEMIT_P1) += spacemit_p1_regulator.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090_regulator.o obj-$(CONFIG_$(PHASE_)DM_REGULATOR_PALMAS) += palmas_regulator.o obj-$(CONFIG_$(PHASE_)DM_REGULATOR_PBIAS) += pbias_regulator.o @@ -49,3 +50,7 @@ obj-$(CONFIG_REGULATOR_RZG2L_USBPHY) += rzg2l-usbphy-regulator.o obj-$(CONFIG_$(PHASE_)DM_REGULATOR_CPCAP) += cpcap_regulator.o obj-$(CONFIG_DM_REGULATOR_MT6357) += mt6357_regulator.o obj-$(CONFIG_DM_REGULATOR_MT6359) += mt6359_regulator.o +obj-$(CONFIG_DM_REGULATOR_PMBUS_HELPER) += pmbus_helper.o +obj-$(CONFIG_DM_REGULATOR_PMBUS_GENERIC) += pmbus_generic.o +obj-$(CONFIG_DM_REGULATOR_MPQ8785) += mpq8785.o +obj-$(CONFIG_SANDBOX_PMBUS) += sandbox_pmbus.o diff --git a/drivers/power/regulator/mpq8785.c b/drivers/power/regulator/mpq8785.c new file mode 100644 index 00000000000..dc321f0e410 --- /dev/null +++ b/drivers/power/regulator/mpq8785.c @@ -0,0 +1,494 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2026 Free Mobile, Vincent Jardin + * + * MPS MPQ8785 / MPM3695 / MPM3695-25 / MPM82504 PMBus voltage + * regulator driver. Adapted from + * linux/drivers/hwmon/pmbus/mpq8785.c + * (Charles Hsu, GPL-2.0-or-later) with the kernel hwmon publication + * and caching layers stripped. + * + * Hooks the shared pmbus_helper UCLASS_REGULATOR ops + adds the MPS + * specific identify (VOUT_MODE switch between LINEAR16 and DIRECT + * m=64 R=1 for the chip's "VID" mode), the MPS vendor extension + * (pmbus mps last|clear last|clear force), and ADDR_VBOOT auto + * promotion when the DT declared address fails the MFR_ID probe. + */ + +#include <command.h> +#include <dm.h> +#include <i2c.h> +#include <log.h> +#include <pmbus.h> +#include <vsprintf.h> +#include <linux/bitops.h> +#include <power/regulator.h> + +#include "pmbus_helper.h" + +/* Chip family identifiers (driver_data). */ +enum mpq_chip_id { + MPQ_MPM3695 = 0, + MPQ_MPM3695_25 = 1, + MPQ_MPM82504 = 2, + MPQ_MPQ8785 = 3, +}; + +/* + * MPS vendor extended command codes (NOT in PMBus 1.3 Part II). + * + * CLEAR_LAST_FAULT (08h) clears the NVM backed PROTECTION_LAST + * register. Gated by MFR_CFG_EXT (F5h) + * bit[6] = 1; chip silently no ops if the + * gate is cleared. + * PROTECTION_LAST (FBh) single event, NVM backed log of the last + * protection event. Survives the chip's own + * power cycle. The boot time post mortem the + * SoC has no other way to obtain. + * + * NEVER issue CLEAR_LAST_FAULT (08h) implicitly; it would erase the + * post mortem trail. Only the explicit pmbus mps clear last and + * pmbus mps clear force subcommands write it. + */ +#define PMBUS_CLEAR_LAST_FAULT 0x08 +#define MPS_PROTECTION_LAST 0xfb + +/* + * MFR_CFG_EXT (F5h) is an MPS extended config WORD (16 bits, not a + * byte). Bit[6] (MFR_CLR_FAULT_CFG) gates CLEAR_LAST_FAULT (08h) + * clearing PROTECTION_LAST. Several other bits are fixed and MUST be + * preserved on writeback; always read modify write the full 16 bits, + * only flip bit[6], restore on the way out. + */ +#define MPS_MFR_CFG_EXT 0xf5 +#define MPS_MFR_CFG_EXT_CLR_LAST_EN BIT(6) + +/* + * MPQ8785 driver_info (transcribed from Linux's + * drivers/hwmon/pmbus/mpq8785.c::mpq8785_info). DIRECT format with + * chip specific m / b / R coefficients on VIN, IOUT, TEMPERATURE. + * VOUT format is selected at probe time from VOUT_MODE: bits[7:5] == 0 + * selects LINEAR16, bits[7:5] == 1 or 2 selects DIRECT m=64 R=1. + */ + +/* + * MPS-extended STATUS_* bit names. The MPQ8785 family reuses several + * bit positions documented as RESERVED / UNKNOWN / NONE_ABOVE / + * MFR_SPECIFIC by PMBus 1.3 for chip specific signals. The override + * table below substitutes the chip name for the standard one when + * the bit is set, leaving every other PMBus 1.3 standard bit + * (VOUT_OV, IOUT_OC, TEMP, CML, ...) unchanged. + * + * STATUS_WORD bit[12] spec MFR_SPECIFIC chip NVM_SUMMARY (NVM + * backed PROTECTION_LAST + * register is non zero) + * STATUS_WORD bit[8] spec UNKNOWN chip WATCH_DOG (internal + * calculation FSM watchdog + * overflow) + * STATUS_WORD bit[0] spec NONE_ABOVE chip DRMOS_FAULT (DrMOS + * stage fault) + * STATUS_CML bit[4] spec MEMORY chip MTP_CRC_FAULT (NVM + * CRC mismatch on restore) + * STATUS_CML bit[0] spec OTHER_MEM_LOGIC chip MTP_FAULT (NVM + * signature fault) + * STATUS_TEMPERATURE bit[0] (PMBus leaves bits[3:0] reserved on + * this register) chip + * OT_SELF (controller die + * OT condition) + */ +static const struct pmbus_status_override mpq8785_status_overrides[] = { + { PMBUS_STATUS_WORD, BIT(12), "NVM_SUMMARY" }, + { PMBUS_STATUS_WORD, BIT(8), "WATCH_DOG" }, + { PMBUS_STATUS_WORD, BIT(0), "DRMOS_FAULT" }, + { PMBUS_STATUS_CML, BIT(4), "MTP_CRC_FAULT" }, + { PMBUS_STATUS_CML, BIT(0), "MTP_FAULT" }, + { PMBUS_STATUS_TEMPERATURE, BIT(0), "OT_SELF" }, + { /* sentinel */ } +}; + +static struct pmbus_driver_info mpq8785_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = pmbus_fmt_direct, + .format[PSC_VOLTAGE_OUT] = pmbus_fmt_linear, /* refined per VOUT_MODE */ + .format[PSC_CURRENT_OUT] = pmbus_fmt_direct, + .format[PSC_TEMPERATURE] = pmbus_fmt_direct, + .m[PSC_VOLTAGE_IN] = 4, .b[PSC_VOLTAGE_IN] = 0, .R[PSC_VOLTAGE_IN] = 1, + .m[PSC_CURRENT_OUT] = 16, .b[PSC_CURRENT_OUT] = 0, .R[PSC_CURRENT_OUT] = 0, + .m[PSC_TEMPERATURE] = 1, .b[PSC_TEMPERATURE] = 0, .R[PSC_TEMPERATURE] = 0, + /* + * Sensor set this family actually implements with calibrated + * coefficients: VIN, VOUT, IOUT, TEMP. READ_IIN / READ_POUT are + * ACKed by the silicon but uncalibrated here (the kernel's mpq8646 + * / mpq8785 drivers expose neither), so declaring the set keeps + * pmbus_print_telemetry from printing a bogus POUT / IIN -- matching + * the kernel's per-chip sensor list. + */ + .classes_present = BIT(PSC_VOLTAGE_IN) | BIT(PSC_VOLTAGE_OUT) | + BIT(PSC_CURRENT_OUT) | BIT(PSC_TEMPERATURE), + .status_overrides = mpq8785_status_overrides, +}; + +/* + * MPM3695 / MPM3695-25 / MPM82504 driver_info: VOUT in DIRECT format + * with chip family default m=8 R=2. Other sensor classes default to + * LINEAR (the chip family does not document non standard formats for + * VIN / IOUT / TEMPERATURE; the helper falls back to LINEAR11 when + * the active info is non NULL but format[c] is linear). + */ +static struct pmbus_driver_info mpm82504_info = { + .pages = 1, + .format[PSC_VOLTAGE_OUT] = pmbus_fmt_direct, + .m[PSC_VOLTAGE_OUT] = 8, .b[PSC_VOLTAGE_OUT] = 0, .R[PSC_VOLTAGE_OUT] = 2, + .format[PSC_VOLTAGE_IN] = pmbus_fmt_linear, + .format[PSC_CURRENT_OUT] = pmbus_fmt_linear, + .format[PSC_TEMPERATURE] = pmbus_fmt_linear, +}; + +/* + * Chip match for the framework's pmbus dev <bus>:<addr> raw I2C + * path. Used when the operator selects the chip directly by address + * instead of by regulator-name; the framework probes MFR_ID, sees + * "MPS" (after the byte reverse helper), and caches mpq8785_info. + */ +static const struct pmbus_chip_match mpq8785_match = { + .mfr_id = "MPS", + .mfr_id_reverse = true, + .vendor = "mps", + .info = &mpq8785_info, +}; + +static const struct pmbus_bit mpq_protection_last_bits[] = { + { 1u << 15, "INIT_FAULT" }, + { 1u << 14, "NVM_CRC_ERROR" }, + { 1u << 13, "NVM_FAULT" }, + { 1u << 12, "OC_PHASE_FAULT" }, + { 1u << 11, "OTP_SELF_FAULT" }, + { 1u << 9, "SWITCH_PRD_FAULT" }, + { 1u << 8, "VIN_OV_FAULT" }, + { 1u << 7, "VOUT_OV_FAULT" }, + { 1u << 6, "VOUT_UV_FAULT" }, + { 1u << 5, "OC_TOT_FAULT" }, + { 1u << 4, "VIN_UVLO_FAULT" }, + { 1u << 3, "DRMOS_OTP" }, + { /* sentinel */ } +}; + +static int mps_require_active(struct udevice **chip) +{ + const struct pmbus_active_dev *act = pmbus_active(); + + if (!act) { + printf("pmbus mps: no active device. Use 'pmbus dev <bus>:<addr>' first.\n"); + return CMD_RET_FAILURE; + } + if (strcmp(act->vendor, "mps") != 0) { + printf("pmbus mps: active device is not from vendor 'mps' (got '%s')\n", + act->vendor[0] ? act->vendor : "(generic)"); + return CMD_RET_FAILURE; + } + if (pmbus_active_get_i2c(chip)) { + printf("pmbus mps: cannot reach i2c%d:0x%02x\n", + act->bus_seq, act->addr); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int mps_do_last(struct udevice *chip) +{ + u16 prot_last = 0; + + if (pmbus_read_word(chip, MPS_PROTECTION_LAST, &prot_last)) { + printf("pmbus mps: PROTECTION_LAST (FBh) read failed\n"); + return CMD_RET_FAILURE; + } + printf("PROTECTION_LAST (FBh) = 0x%04x [", prot_last); + pmbus_print_bits(prot_last, mpq_protection_last_bits); + printf("] (NVM, survives MPQ power cycle)\n"); + return CMD_RET_SUCCESS; +} + +static int mps_do_clear_last(struct udevice *chip) +{ + int ret; + + printf("pmbus mps: WARNING, erasing NVM PROTECTION_LAST (FBh) post mortem\n"); + ret = dm_i2c_write(chip, PMBUS_CLEAR_LAST_FAULT, NULL, 0); + if (ret) { + printf("pmbus mps: CLEAR_LAST_FAULT (08h) write failed (%d)\n", ret); + return CMD_RET_FAILURE; + } + printf("pmbus mps: CLEAR_LAST_FAULT (08h) issued; gated by MFR_CFG_EXT bit[6]\n"); + printf(" (chip silently no ops if F5h bit[6] = 0; verify by re reading FBh)\n"); + return CMD_RET_SUCCESS; +} + +static int mps_do_clear_force(struct udevice *chip) +{ + u8 wp_orig = 0; + u16 cfg_orig = 0, cfg_unlocked; + int ret, last_rc = 0, rc; + + printf("pmbus mps: FORCE; temporarily lowering WRITE_PROTECT and MFR_CFG_EXT.CLEAR_LAST_EN\n"); + printf("pmbus mps: WARNING, erasing NVM PROTECTION_LAST (FBh) post mortem\n"); + + ret = pmbus_read_byte(chip, PMBUS_WRITE_PROTECT, &wp_orig); + if (ret) { + printf("pmbus mps: WRITE_PROTECT (10h) read failed (%d), aborting force\n", ret); + return CMD_RET_FAILURE; + } + ret = pmbus_read_word(chip, MPS_MFR_CFG_EXT, &cfg_orig); + if (ret) { + printf("pmbus mps: MFR_CFG_EXT (F5h) read failed (%d), aborting force\n", ret); + return CMD_RET_FAILURE; + } + printf("pmbus mps: saved WRITE_PROTECT=0x%02x MFR_CFG_EXT=0x%04x\n", + wp_orig, cfg_orig); + + if (wp_orig != 0) { + u8 wp_open = 0x00; + + ret = dm_i2c_write(chip, PMBUS_WRITE_PROTECT, &wp_open, 1); + if (ret) { + printf("pmbus mps: WRITE_PROTECT clear failed (%d), chip refuses unlock\n", + ret); + return CMD_RET_FAILURE; + } + } + + cfg_unlocked = cfg_orig | MPS_MFR_CFG_EXT_CLR_LAST_EN; + ret = pmbus_write_word(chip, MPS_MFR_CFG_EXT, cfg_unlocked); + if (ret) { + printf("pmbus mps: MFR_CFG_EXT <- 0x%04x failed (%d)\n", + cfg_unlocked, ret); + goto restore_wp; + } + + last_rc = dm_i2c_write(chip, PMBUS_CLEAR_LAST_FAULT, NULL, 0); + if (last_rc) + printf("pmbus mps: CLEAR_LAST_FAULT (08h) write failed (%d) even with gate open\n", + last_rc); + else + printf("pmbus mps: CLEAR_LAST_FAULT (08h) issued with MFR_CFG_EXT bit[6]=1, PROTECTION_LAST should now read 0x0000\n"); + + rc = pmbus_write_word(chip, MPS_MFR_CFG_EXT, cfg_orig); + if (rc) + printf("pmbus mps: MFR_CFG_EXT restore failed (%d), gate may stay open until POR\n", + rc); + +restore_wp: + if (wp_orig != 0) { + rc = dm_i2c_write(chip, PMBUS_WRITE_PROTECT, &wp_orig, 1); + if (rc) + printf("pmbus mps: WRITE_PROTECT restore failed (%d), chip stays unlocked until POR\n", + rc); + } + + return (ret || last_rc) ? CMD_RET_FAILURE : CMD_RET_SUCCESS; +} + +static int mps_vendor_handler(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *chip; + int rc; + + if (argc < 2) + return CMD_RET_USAGE; + + rc = mps_require_active(&chip); + if (rc) + return rc; + + if (!strcmp(argv[1], "last") && argc == 2) + return mps_do_last(chip); + if (!strcmp(argv[1], "clear") && argc >= 3) { + if (!strcmp(argv[2], "last")) + return mps_do_clear_last(chip); + if (!strcmp(argv[2], "force")) + return mps_do_clear_force(chip); + } + return CMD_RET_USAGE; +} + +static const struct pmbus_vendor_op mps_vendor_op = { + .vendor = "mps", + .handler = mps_vendor_handler, + .help = "pmbus mps last : read MPS PROTECTION_LAST (FBh)\n" + "pmbus mps clear last : issue MPS CLEAR_LAST_FAULT (08h) (DESTRUCTIVE)\n" + "pmbus mps clear force : force clear via MFR_CFG_EXT bit[6] (DESTRUCTIVE)\n", +}; + +static void mpq8785_identify_vout(struct udevice *i2c_dev) +{ + enum pmbus_data_format fmt; + + /* + * Let the shared helper read VOUT_MODE and pick the base format + * (the single source of truth for the bit layout). The MPS quirk: + * this family encodes VOUT in DIRECT with m=64 R=1 whenever + * VOUT_MODE reports VID *or* DIRECT -- override the helper's + * generic DIRECT m=1 / VID-unwired result in those two modes. + * LINEAR and IEEE754 keep the helper's selection unchanged. + */ + fmt = pmbus_regulator_identify_vout(i2c_dev, &mpq8785_info); + if (fmt == pmbus_fmt_vid || fmt == pmbus_fmt_direct) { + mpq8785_info.format[PSC_VOLTAGE_OUT] = pmbus_fmt_direct; + mpq8785_info.m[PSC_VOLTAGE_OUT] = 64; + mpq8785_info.b[PSC_VOLTAGE_OUT] = 0; + mpq8785_info.R[PSC_VOLTAGE_OUT] = 1; + } +} + +/* + * The MPQ8785 datasheet revision letter changes which window the + * analog ADDR_VBOOT level resolves to. Boards have been observed at + * 0x10 (later die rev) versus the 0x20 the original driver assumed. + * If the DT declared address fails the MFR_ID probe at probe time, + * walk the three documented windows looking for an MPS responder. + * + * Each window covers 16 consecutive 7 bit I2C addresses; the low + * nibble selects the chip's MFR_ADDR_PMBUS slot within the window. + */ +#define MPS_ADDR_VBOOT_WINDOW_SIZE 16 +static const u8 mps_addr_window_starts[] = { 0x10, 0x20, 0x60 }; + +static int mpq8785_probe_addr(struct udevice *bus, u8 addr, + struct udevice **chip_out) +{ + char id[PMBUS_MFR_STRING_MAX] = ""; + struct udevice *chip; + int ret; + + ret = i2c_get_chip(bus, addr, 1, &chip); + if (ret) + return ret; + ret = pmbus_read_string(chip, PMBUS_MFR_ID, id, sizeof(id), true); + if (ret < 0) + return ret; + if (strncmp(id, "MPS", 3) != 0) + return -ENODEV; + *chip_out = chip; + return 0; +} + +static int mpq8785_scan_windows(struct udevice *bus, u8 *found_addr, + struct udevice **chip_out) +{ + unsigned int i, j; + + for (i = 0; i < ARRAY_SIZE(mps_addr_window_starts); i++) { + for (j = 0; j < MPS_ADDR_VBOOT_WINDOW_SIZE; j++) { + u8 addr = mps_addr_window_starts[i] + j; + + if (mpq8785_probe_addr(bus, addr, chip_out) == 0) { + *found_addr = addr; + return 0; + } + } + } + return -ENODEV; +} + +static struct pmbus_driver_info *mpq8785_pick_info(enum mpq_chip_id chip_id) +{ + switch (chip_id) { + case MPQ_MPM3695: + case MPQ_MPM3695_25: + case MPQ_MPM82504: + return &mpm82504_info; + case MPQ_MPQ8785: + default: + return &mpq8785_info; + } +} + +static int mpq8785_probe(struct udevice *dev) +{ + enum mpq_chip_id chip_id = (enum mpq_chip_id)dev_get_driver_data(dev); + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + struct pmbus_driver_info *info = mpq8785_pick_info(chip_id); + static bool match_registered; + static bool vendor_registered; + u32 fb_div; + int ret; + + ret = pmbus_regulator_probe_common(dev, info, 0); + if (ret) + return ret; + + /* + * Verify the chip answers MFR_ID="MPS" at the DT declared + * address. If it doesn't, walk the documented ADDR_VBOOT windows + * looking for it (a die rev address shift). On a hit, replace + * priv->i2c_dev with the discovered chip handle and continue. + */ + { + char id[PMBUS_MFR_STRING_MAX] = ""; + + ret = pmbus_read_string(priv->i2c_dev, PMBUS_MFR_ID, id, + sizeof(id), true); + if (ret < 0 || strncmp(id, "MPS", 3) != 0) { + struct udevice *bus = dev_get_parent(dev); + struct udevice *promoted; + u8 found = 0; + + if (mpq8785_scan_windows(bus, &found, &promoted) == 0) { + printf("MPQ8785: DT addr 0x%02x silent, auto promoted to 0x%02x\n", + (unsigned int)dev_read_addr(dev), found); + priv->i2c_dev = promoted; + } else { + printf("MPQ8785: no MPS responder found in 0x10..0x1f / 0x20..0x2f / 0x60..0x6f\n"); + return -ENODEV; + } + } + } + + /* MPQ8785 specific: refine VOUT format from VOUT_MODE. */ + if (chip_id == MPQ_MPQ8785) + mpq8785_identify_vout(priv->i2c_dev); + + /* Apply mps,vout-fb-divider-ratio-permille if present in DT. */ + fb_div = dev_read_u32_default(dev, "mps,vout-fb-divider-ratio-permille", 0); + if (fb_div) { + ret = pmbus_regulator_apply_voltage_scale(dev, fb_div); + if (ret) { + printf("MPQ8785: VOUT_SCALE_LOOP write failed (%d)\n", ret); + return ret; + } + } + + /* + * Register the chip match and the MPS vendor handler exactly + * once across all bound MPS regulators (a board could legally + * carry several). Both registries are global and idempotent + * matches return -ENOSPC, so the static guards keep things + * tidy. + */ + if (!match_registered) { + if (pmbus_register_chip(&mpq8785_match) == 0) + match_registered = true; + } + if (!vendor_registered) { + if (pmbus_register_vendor_handler(&mps_vendor_op) == 0) + vendor_registered = true; + } + return 0; +} + +static const struct udevice_id mpq8785_ids[] = { + { .compatible = "mps,mpm3695", .data = MPQ_MPM3695 }, + { .compatible = "mps,mpm3695-25", .data = MPQ_MPM3695_25 }, + { .compatible = "mps,mpm82504", .data = MPQ_MPM82504 }, + { .compatible = "mps,mpq8785", .data = MPQ_MPQ8785 }, + { } +}; + +U_BOOT_DRIVER(mpq8785_regulator) = { + .name = "mpq8785_regulator", + .id = UCLASS_REGULATOR, + .of_match = mpq8785_ids, + .probe = mpq8785_probe, + .ops = &pmbus_regulator_ops, + .priv_auto = sizeof(struct pmbus_regulator_priv), +}; diff --git a/drivers/power/regulator/pmbus_generic.c b/drivers/power/regulator/pmbus_generic.c new file mode 100644 index 00000000000..6ba50ce08f8 --- /dev/null +++ b/drivers/power/regulator/pmbus_generic.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2026 Free Mobile, Vincent Jardin + * + * Generic PMBus 1.x compatible voltage regulator driver. + * + * Catch all driver bound to compatible = "pmbus" for chips that have + * no per chip driver under drivers/power/regulator/. The probe path + * detects the VOUT numeric format from VOUT_MODE bits[7:5]: + * + * - 0 LINEAR16 with the exponent supplied via VOUT_MODE bits[4:0] + * - 1 VID; mapped to pmbus_fmt_vid (decoder returns 0 today; per + * chip driver still required to plug a VID table) + * - 2 DIRECT; default coefficients m=1, b=0, R=0 (per chip + * coefficients arrive via PMBUS_QUERY / PMBUS_COEFFICIENTS, + * not yet consumed by U-Boot; values may need a per chip + * driver if telemetry numbers are wrong) + * - 3 IEEE754; mapped to pmbus_fmt_ieee754 (decoder returns 0 + * today; per chip driver required) + * + * Other sensor classes (VIN, IIN, IOUT, TEMPERATURE) default to + * LINEAR which is the spec baseline for compliant chips. If an + * operator sees wrong telemetry numbers on this driver, the answer + * is to write a per chip driver with the correct format[] / m / b / R. + * + * Adapted in spirit from linux/drivers/hwmon/pmbus/pmbus.c (the + * kernel's generic probe driver). The U-Boot version drops the + * page count auto detection (most generic compliant parts are + * single rail; multi rail chips are quirky enough to need a per + * chip driver) and the kernel hwmon publication layers. + */ + +#include <dm.h> +#include <i2c.h> +#include <log.h> +#include <pmbus.h> +#include <power/regulator.h> + +#include "pmbus_helper.h" + +struct pmbus_generic_priv { + struct pmbus_regulator_priv base; /* must be first */ + struct pmbus_driver_info info; +}; + +static int pmbus_generic_probe(struct udevice *dev) +{ + struct pmbus_generic_priv *gpriv = dev_get_priv(dev); + struct pmbus_driver_info *info = &gpriv->info; + enum pmbus_sensor_classes c; + int ret; + + info->pages = 1; + for (c = 0; c < PSC_NUM_CLASSES; c++) { + info->format[c] = pmbus_fmt_linear; + info->m[c] = 0; + info->b[c] = 0; + info->R[c] = 0; + } + + ret = pmbus_regulator_probe_common(dev, info, 0); + if (ret) + return ret; + + /* + * Avoid reading non supported pages to avoid device's sticky + * status. + */ + info->pages = dev_read_u32_default(dev, "pmbus,num-pages", 1); + if (info->pages < 1) + info->pages = 1; + + pmbus_regulator_identify_vout(gpriv->base.i2c_dev, info); + + return 0; +} + +static const struct udevice_id pmbus_generic_ids[] = { + { .compatible = "pmbus" }, + { } +}; + +U_BOOT_DRIVER(pmbus_generic_regulator) = { + .name = "pmbus_generic_regulator", + .id = UCLASS_REGULATOR, + .of_match = pmbus_generic_ids, + .probe = pmbus_generic_probe, + .ops = &pmbus_regulator_ops, + .priv_auto = sizeof(struct pmbus_generic_priv), +}; diff --git a/drivers/power/regulator/pmbus_helper.c b/drivers/power/regulator/pmbus_helper.c new file mode 100644 index 00000000000..4763470442d --- /dev/null +++ b/drivers/power/regulator/pmbus_helper.c @@ -0,0 +1,315 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2026 Free Mobile, Vincent Jardin + * + * Shared UCLASS_REGULATOR operations over the PMBus 1.x framework. + * See pmbus_helper.h for the API surface and doc/develop/pmbus.rst + * for the porting guide. + * + * No code in this file may reference a specific chip family or + * board. Chip specific quirks (vendor registers, VID coercion, + * ADDR pin auto promotion, byte reversed MFR strings, etc.) belong + * in the per chip driver under drivers/power/regulator/<chip>.c. + */ + +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <i2c.h> +#include <log.h> +#include <pmbus.h> +#include <vsprintf.h> +#include <linux/types.h> +#include <power/regulator.h> + +#include "pmbus_helper.h" + +static int pmbus_regulator_select_page(struct pmbus_regulator_priv *priv) +{ + u8 p; + + if (priv->page <= 0) + return 0; + p = (u8)priv->page; + return dm_i2c_write(priv->i2c_dev, PMBUS_PAGE, &p, 1); +} + +static int pmbus_regulator_get_value(struct udevice *dev) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + u8 vout_mode = 0; + u16 raw = 0; + s64 uv; + int ret; + + ret = pmbus_regulator_select_page(priv); + if (ret) + return ret; + pmbus_read_byte(priv->i2c_dev, PMBUS_VOUT_MODE, &vout_mode); + if (pmbus_read_word(priv->i2c_dev, PMBUS_READ_VOUT, &raw)) + return -EIO; + + if (priv->info) + uv = pmbus_reg2data(priv->info, PSC_VOLTAGE_OUT, raw, vout_mode); + else + uv = pmbus_reg2data_linear16(raw, vout_mode); + + if (uv > INT_MAX) + uv = INT_MAX; + if (uv < INT_MIN) + uv = INT_MIN; + return (int)uv; +} + +static int pmbus_regulator_set_value(struct udevice *dev, int uV) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + u8 vout_mode = 0; + u8 buf[2]; + u16 raw; + int ret; + + ret = pmbus_regulator_select_page(priv); + if (ret) + return ret; + if (pmbus_read_byte(priv->i2c_dev, PMBUS_VOUT_MODE, &vout_mode)) + return -EIO; + + /* + * Dispatch on the chip's VOUT_MODE selector. LINEAR16 and DIRECT + * are wired today; VID and IEEE754 return -ENOSYS until their + * encoders land. For DIRECT, the m / b / R triple comes from the + * chip's pmbus_driver_info[PSC_VOLTAGE_OUT]; if the per chip + * driver did not populate them, the encoder cannot run. + */ + switch (vout_mode & PB_VOUT_MODE_MODE_MASK) { + case PB_VOUT_MODE_LINEAR: + raw = pmbus_data2reg_linear16((s64)uV, vout_mode); + break; + case PB_VOUT_MODE_DIRECT: + if (!priv->info || + priv->info->format[PSC_VOLTAGE_OUT] != pmbus_fmt_direct) + return -ENODATA; + raw = pmbus_data2reg_direct((s64)uV, + priv->info->m[PSC_VOLTAGE_OUT], + priv->info->b[PSC_VOLTAGE_OUT], + priv->info->R[PSC_VOLTAGE_OUT]); + break; + default: + return -ENOSYS; + } + + buf[0] = (u8)(raw & 0xff); + buf[1] = (u8)((raw >> 8) & 0xff); + return dm_i2c_write(priv->i2c_dev, PMBUS_VOUT_COMMAND, buf, 2); +} + +static int pmbus_regulator_get_enable(struct udevice *dev) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + u8 op = 0; + int ret; + + ret = pmbus_regulator_select_page(priv); + if (ret) + return ret; + if (pmbus_read_byte(priv->i2c_dev, PMBUS_OPERATION, &op)) + return -EIO; + return (op & PB_OPERATION_ON) ? 1 : 0; +} + +static int pmbus_regulator_set_enable(struct udevice *dev, bool enable) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + u8 op = 0; + int ret; + + ret = pmbus_regulator_select_page(priv); + if (ret) + return ret; + if (pmbus_read_byte(priv->i2c_dev, PMBUS_OPERATION, &op)) + return -EIO; + + if (enable) + op |= PB_OPERATION_ON; + else + op &= (u8)~PB_OPERATION_ON; + return dm_i2c_write(priv->i2c_dev, PMBUS_OPERATION, &op, 1); +} + +const struct dm_regulator_ops pmbus_regulator_ops = { + .get_value = pmbus_regulator_get_value, + .set_value = pmbus_regulator_set_value, + .get_enable = pmbus_regulator_get_enable, + .set_enable = pmbus_regulator_set_enable, +}; + +int pmbus_regulator_read_temp(struct udevice *reg_dev, int *temp_mc) +{ + struct pmbus_regulator_priv *priv; + u16 raw = 0; + s64 udeg; + int ret; + + if (!reg_dev || !temp_mc) + return -EINVAL; + priv = dev_get_priv(reg_dev); + if (!priv || !priv->i2c_dev) + return -ENODEV; + + ret = pmbus_regulator_select_page(priv); + if (ret) + return ret; + if (pmbus_read_word(priv->i2c_dev, PMBUS_READ_TEMPERATURE_1, &raw)) + return -EIO; + + /* + * vout_mode is meaningless for the temperature class. With a + * chip info record the dispatcher honours its per-class format + * (DIRECT m/b/R for MPS, LINEAR11 for spec-compliant parts); + * without one, fall back to the PMBus 1.x standard LINEAR11. + */ + if (priv->info) + udeg = pmbus_reg2data(priv->info, PSC_TEMPERATURE, raw, 0); + else + udeg = pmbus_reg2data_linear11(raw); + + *temp_mc = (int)(udeg / 1000); + return 0; +} + +enum pmbus_data_format +pmbus_regulator_identify_vout(struct udevice *i2c_dev, + struct pmbus_driver_info *info) +{ + u8 vout_mode = 0; + + if (pmbus_read_byte(i2c_dev, PMBUS_VOUT_MODE, &vout_mode)) + return info->format[PSC_VOLTAGE_OUT]; + + switch (vout_mode & PB_VOUT_MODE_MODE_MASK) { + case PB_VOUT_MODE_LINEAR: + info->format[PSC_VOLTAGE_OUT] = pmbus_fmt_linear; + break; + case PB_VOUT_MODE_VID: + info->format[PSC_VOLTAGE_OUT] = pmbus_fmt_vid; + break; + case PB_VOUT_MODE_DIRECT: + info->format[PSC_VOLTAGE_OUT] = pmbus_fmt_direct; + info->m[PSC_VOLTAGE_OUT] = 1; + info->b[PSC_VOLTAGE_OUT] = 0; + info->R[PSC_VOLTAGE_OUT] = 0; + break; + case PB_VOUT_MODE_IEEE754: + info->format[PSC_VOLTAGE_OUT] = pmbus_fmt_ieee754; + break; + default: + break; + } + return info->format[PSC_VOLTAGE_OUT]; +} + +const struct pmbus_driver_info *pmbus_regulator_info_by_addr(int bus_seq, + u8 addr) +{ + struct uclass *uc; + struct udevice *r; + + if (uclass_get(UCLASS_REGULATOR, &uc)) + return NULL; + + uclass_foreach_dev(r, uc) { + struct udevice *parent = dev_get_parent(r); + struct pmbus_regulator_priv *priv; + int ra; + + if (!parent || device_get_uclass_id(parent) != UCLASS_I2C) + continue; + if (dev_seq(parent) != bus_seq) + continue; + ra = dev_read_addr(r); + if (ra < 0 || (u8)ra != addr) + continue; + + /* + * Address matches. Only chips driven through this helper + * carry a pmbus_regulator_priv at the head of their priv; + * identify them by their shared ops vector so we never + * misread a foreign regulator's private layout. + */ + if (!r->driver || r->driver->ops != &pmbus_regulator_ops) + return NULL; + if (device_probe(r)) + return NULL; + priv = dev_get_priv(r); + return priv ? priv->info : NULL; + } + return NULL; +} + +/* + * Spawn the generic UCLASS_THERMAL companion (drivers/thermal/ + * pmbus_thermal.c) as a child of this regulator so READ_TEMPERATURE_1 + * is reachable through the standard `temperature list` / `temperature + * get` interface. Named "<regulator-name>-temp" so several PMBus rails + * on one board produce distinct, descriptive device names. Failure is + * non-fatal: the chip still works as a UCLASS_REGULATOR. + */ +static void pmbus_regulator_bind_thermal(struct udevice *dev) +{ + struct udevice *therm; + const char *rname; + char name[48]; + + if (!IS_ENABLED(CONFIG_PMBUS_THERMAL)) + return; + if (device_bind_driver(dev, "pmbus_thermal", "pmbus-temp", &therm)) + return; + rname = dev_read_string(dev, "regulator-name"); + snprintf(name, sizeof(name), "%s-temp", rname ? rname : dev->name); + device_set_name(therm, name); +} + +int pmbus_regulator_probe_common(struct udevice *dev, + const struct pmbus_driver_info *info, + int page) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + int chip_addr; + int ret; + + chip_addr = dev_read_addr(dev); + if (chip_addr < 0) + return -EINVAL; + + ret = i2c_get_chip(dev_get_parent(dev), (u32)chip_addr, 1, &priv->i2c_dev); + if (ret) + return ret; + + priv->info = info; + priv->page = page; + + if (page > 0) { + u8 p = (u8)page; + + ret = dm_i2c_write(priv->i2c_dev, PMBUS_PAGE, &p, 1); + if (ret) + return ret; + } + + pmbus_regulator_bind_thermal(dev); + return 0; +} + +int pmbus_regulator_apply_voltage_scale(struct udevice *dev, + u32 fb_divider_permille) +{ + struct pmbus_regulator_priv *priv = dev_get_priv(dev); + u8 buf[2]; + + if (fb_divider_permille == 0) + return 0; + buf[0] = (u8)(fb_divider_permille & 0xff); + buf[1] = (u8)((fb_divider_permille >> 8) & 0xff); + return dm_i2c_write(priv->i2c_dev, PMBUS_VOUT_SCALE_LOOP, buf, 2); +} diff --git a/drivers/power/regulator/pmbus_helper.h b/drivers/power/regulator/pmbus_helper.h new file mode 100644 index 00000000000..82f263cd513 --- /dev/null +++ b/drivers/power/regulator/pmbus_helper.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2026 Free Mobile, Vincent Jardin + * + * Shared UCLASS_REGULATOR ops for PMBus 1.x voltage regulator chips. + * + * Per chip drivers under drivers/power/regulator/<chip>.c bind a + * vendor,chip compatible from DT and call pmbus_regulator_probe_common() + * in their .probe. They install pmbus_regulator_ops as the .ops vector; + * the helper handles VOUT_MODE / READ_VOUT / VOUT_COMMAND / OPERATION + * via the tree level <pmbus.h> framework. + * + * Per chip drivers retain control of identify hooks (VOUT_MODE based + * format selection), chip specific quirks (vendor registers, ADDR pin + * auto promotion), and DT property handling (e.g. MPS + * mps,vout-fb-divider-ratio-permille). + */ + +#ifndef _DRIVERS_POWER_REGULATOR_PMBUS_HELPER_H_ +#define _DRIVERS_POWER_REGULATOR_PMBUS_HELPER_H_ + +#include <linux/types.h> +#include <pmbus.h> + +struct udevice; +struct dm_regulator_ops; + +/* + * Per chip private state. The first field of every per chip driver's + * priv_auto must be (or contain at offset 0) a struct + * pmbus_regulator_priv so the shared ops vector can recover it via + * dev_get_priv(dev). + * + * i2c_dev chip handle obtained from dev->parent at probe time + * (the parent must be a UCLASS_I2C bus). + * page PMBUS_PAGE selector for multi rail chips. Single rail + * chips set page = 0; the helper writes PMBUS_PAGE only + * when page > 0 to avoid wasted bus traffic on single + * rail parts. + * info pointer to the chip's pmbus_driver_info; consumed by + * pmbus_reg2data() / pmbus_data2reg_linear16() to pick + * the right format[] / m / b / R coefficients. + */ +struct pmbus_regulator_priv { + struct udevice *i2c_dev; + int page; + const struct pmbus_driver_info *info; +}; + +extern const struct dm_regulator_ops pmbus_regulator_ops; + +/* + * Per chip probe glue. Reads `reg` from DT, gets the I2C chip handle + * from dev->parent, populates priv->i2c_dev / page / info, and writes + * PMBUS_PAGE if page > 0. Per chip drivers call this in their .probe + * before any chip specific identification. + */ +int pmbus_regulator_probe_common(struct udevice *dev, + const struct pmbus_driver_info *info, + int page); + +/* + * Optional helper for per chip drivers that honour an external + * feedback divider DT property (e.g. MPS mps,vout-fb-divider-ratio- + * permille). Writes the supplied ratio to PMBUS_VOUT_SCALE_LOOP at + * probe time. fb_divider_permille == 0 leaves the chip default. + */ +int pmbus_regulator_apply_voltage_scale(struct udevice *dev, + u32 fb_divider_permille); + +/* + * Read PMBUS_VOUT_MODE and set info->format[PSC_VOLTAGE_OUT] from its + * mode selector bits[7:5] per PMBus 1.3 Part II sec 8.3: + * LINEAR -> pmbus_fmt_linear + * VID -> pmbus_fmt_vid + * DIRECT -> pmbus_fmt_direct (default coefficients m=1, b=0, R=0) + * IEEE754 -> pmbus_fmt_ieee754 + * + * The single place that knows the VOUT_MODE bit layout; both the + * generic regulator and per chip drivers call it so they never + * re-implement the switch. Returns the selected format so a chip + * driver can post-adjust a quirk (e.g. MPS encodes VOUT in DIRECT + * with m=64 R=1 even when VOUT_MODE reports VID). On a VOUT_MODE read + * failure the format is left unchanged and the prior value is returned. + */ +enum pmbus_data_format +pmbus_regulator_identify_vout(struct udevice *i2c_dev, + struct pmbus_driver_info *info); + +#endif /* _DRIVERS_POWER_REGULATOR_PMBUS_HELPER_H_ */ diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index 1c7f75a9338..0f5ba51ad6c 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -111,6 +111,33 @@ int regulator_get_suspend_value(struct udevice *dev) return ops->get_suspend_value(dev); } +int regulator_set_value_clamp(struct udevice *dev, + int min_uV, int target_uV, int max_uV) +{ + const struct dm_regulator_ops *ops = dev_get_driver_ops(dev); + struct dm_regulator_uclass_plat *uc_pdata; + int uV; + + if (!ops || !ops->set_value) + return -ENOSYS; + + uc_pdata = dev_get_uclass_plat(dev); + if (uc_pdata->min_uV != -ENODATA && max_uV < uc_pdata->min_uV) + return -EINVAL; + if (uc_pdata->max_uV != -ENODATA && min_uV > uc_pdata->max_uV) + return -EINVAL; + if (min_uV > max_uV) + return -EINVAL; + + if (uc_pdata->min_uV != -ENODATA) + min_uV = max(min_uV, uc_pdata->min_uV); + if (uc_pdata->max_uV != -ENODATA) + max_uV = min(max_uV, uc_pdata->max_uV); + uV = clamp(target_uV, min_uV, max_uV); + + return regulator_set_value(dev, uV); +} + /* * To be called with at most caution as there is no check * before setting the actual voltage value. diff --git a/drivers/power/regulator/sandbox.c b/drivers/power/regulator/sandbox.c index 80a68f5a30d..813ee301e73 100644 --- a/drivers/power/regulator/sandbox.c +++ b/drivers/power/regulator/sandbox.c @@ -56,10 +56,11 @@ static struct dm_regulator_mode sandbox_buck_modes[] = { MODE(BUCK_OM_PWM, OM2REG(BUCK_OM_PWM), "PWM"), }; -/* LDO: 1,2 - voltage range */ +/* LDO: 1,2,3 - voltage range */ static struct output_range ldo_voltage_range[] = { RANGE(OUT_LDO1_UV_MIN, OUT_LDO1_UV_MAX, OUT_LDO1_UV_STEP), RANGE(OUT_LDO2_UV_MIN, OUT_LDO2_UV_MAX, OUT_LDO2_UV_STEP), + RANGE(OUT_LDO3_UV_MIN, OUT_LDO3_UV_MAX, OUT_LDO3_UV_STEP), }; /* LDO: 1 - current range */ @@ -288,8 +289,8 @@ static int ldo_set_voltage(struct udevice *dev, int uV) static int ldo_get_current(struct udevice *dev) { - /* LDO2 - unsupported */ - if (dev->driver_data == 2) + /* LDO: 2,3 - unsupported */ + if (dev->driver_data >= 2) return -ENOSYS; return out_get_value(dev, SANDBOX_LDO_COUNT, OUT_REG_UA, @@ -298,8 +299,8 @@ static int ldo_get_current(struct udevice *dev) static int ldo_set_current(struct udevice *dev, int uA) { - /* LDO2 - unsupported */ - if (dev->driver_data == 2) + /* LDO: 2,3 - unsupported */ + if (dev->driver_data >= 2) return -ENOSYS; return out_set_value(dev, SANDBOX_LDO_COUNT, OUT_REG_UA, diff --git a/drivers/power/regulator/sandbox_pmbus.c b/drivers/power/regulator/sandbox_pmbus.c new file mode 100644 index 00000000000..7b52d2ca293 --- /dev/null +++ b/drivers/power/regulator/sandbox_pmbus.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2026 Free Mobile - Vincent Jardin + * + * Sandbox PMBus 1.x chip stub (UCLASS_I2C_EMUL). + * + * Stub a DT i2c node so the PMBus framework, the generic pmbus + * regulator and the pmbus CLI command can be tested. + * The model is a flat per-command 16 bit + * register file combined with some fixed identification strings. + */ + +#include <dm.h> +#include <i2c.h> +#include <pmbus.h> +#include <linux/ctype.h> + +#define PMBUS_EMUL_NREG 256 + +struct sandbox_pmbus_priv { + u16 reg[PMBUS_EMUL_NREG]; + bool supported[PMBUS_EMUL_NREG]; +}; + +/* Identification strings reported in the natural (forward) byte order. */ +static const char *pmbus_emul_string(u8 cmd) +{ + switch (cmd) { + case PMBUS_MFR_ID: + return "SANDBOX"; + case PMBUS_MFR_MODEL: + return "PMBUS-EMUL"; + case PMBUS_MFR_REVISION: + return "1.0"; + default: + return NULL; + } +} + +static int sandbox_pmbus_read(struct sandbox_pmbus_priv *priv, u8 cmd, + u8 *buf, int len) +{ + const char *str = pmbus_emul_string(cmd); + int i; + + if (len < 1) + return -EINVAL; + + if (str) { + int slen = strlen(str); + + /* + * Block payload: [length][bytes...]. A one-byte read is + * the SMBus length probe and reports the true length (the + * master just NAKs early). Any longer read must have room + * for length + payload, otherwise the length byte would + * lie about the data actually returned. + */ + if (len > 1 && len < slen + 1) + return -EREMOTEIO; + buf[0] = (u8)slen; + for (i = 1; i < len; i++) + buf[i] = (i - 1 < slen) ? (u8)str[i - 1] : 0; + return 0; + } + + if (!priv->supported[cmd]) + return -EREMOTEIO; /* chip NAKs an unimplemented command */ + + for (i = 0; i < len; i++) + buf[i] = (u8)(priv->reg[cmd] >> (8 * i)); + return 0; +} + +static int sandbox_pmbus_write(struct sandbox_pmbus_priv *priv, u8 cmd, + const u8 *buf, int len) +{ + if (len == 0) + return 0; /* send-byte (eg CLEAR_FAULTS): just ACK */ + if (!priv->supported[cmd]) + return -EREMOTEIO; + if (len == 1) + priv->reg[cmd] = buf[0]; + else + priv->reg[cmd] = (u16)buf[0] | ((u16)buf[1] << 8); + return 0; +} + +static int sandbox_pmbus_xfer(struct udevice *emul, struct i2c_msg *msg, + int nmsgs) +{ + struct sandbox_pmbus_priv *priv = dev_get_priv(emul); + u8 cmd; + + if (nmsgs == 0) + return 0; + /* A PMBus transaction always opens with the command-code write. */ + if (msg[0].flags & I2C_M_RD) + return -EIO; + if (msg[0].len == 0) + return 0; /* address-only probe */ + cmd = msg[0].buf[0]; + + if (nmsgs >= 2 && (msg[1].flags & I2C_M_RD)) + return sandbox_pmbus_read(priv, cmd, msg[1].buf, msg[1].len); + + return sandbox_pmbus_write(priv, cmd, msg[0].buf + 1, msg[0].len - 1); +} + +static void sandbox_pmbus_support(struct sandbox_pmbus_priv *priv, u8 cmd, + u16 val) +{ + priv->supported[cmd] = true; + priv->reg[cmd] = val; +} + +static int sandbox_pmbus_probe(struct udevice *emul) +{ + struct sandbox_pmbus_priv *priv = dev_get_priv(emul); + + /* Configuration / identification. */ + sandbox_pmbus_support(priv, PMBUS_PAGE, 0); + sandbox_pmbus_support(priv, PMBUS_OPERATION, PB_OPERATION_ON); + sandbox_pmbus_support(priv, PMBUS_ON_OFF_CONFIG, 0); + sandbox_pmbus_support(priv, PMBUS_WRITE_PROTECT, 0); + sandbox_pmbus_support(priv, PMBUS_CAPABILITY, 0x30); + sandbox_pmbus_support(priv, PMBUS_VOUT_MODE, 0x18); /* LINEAR 2^-8 */ + sandbox_pmbus_support(priv, PMBUS_VOUT_COMMAND, 0x0200); + sandbox_pmbus_support(priv, PMBUS_VOUT_TRIM, 0); + sandbox_pmbus_support(priv, PMBUS_VOUT_MAX, 0x0400); + sandbox_pmbus_support(priv, PMBUS_VOUT_SCALE_LOOP, 0); + sandbox_pmbus_support(priv, PMBUS_REVISION, PMBUS_REV_13); + + /* Status registers, all clean. */ + sandbox_pmbus_support(priv, PMBUS_STATUS_BYTE, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_WORD, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_VOUT, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_IOUT, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_INPUT, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_TEMPERATURE, 0); + sandbox_pmbus_support(priv, PMBUS_STATUS_CML, 0); + + /* + * Telemetry the emulated chip implements. READ_IIN and READ_POUT + * are intentionally absent so callers see the unsupported path. + */ + sandbox_pmbus_support(priv, PMBUS_READ_VIN, 0x0abc); + sandbox_pmbus_support(priv, PMBUS_READ_VOUT, 0x0200); + sandbox_pmbus_support(priv, PMBUS_READ_IOUT, 0x0123); + sandbox_pmbus_support(priv, PMBUS_READ_TEMPERATURE_1, 0x0019); + + return 0; +} + +static struct dm_i2c_ops sandbox_pmbus_emul_ops = { + .xfer = sandbox_pmbus_xfer, +}; + +static const struct udevice_id sandbox_pmbus_ids[] = { + { .compatible = "sandbox,i2c-pmbus" }, + { } +}; + +U_BOOT_DRIVER(sandbox_pmbus_emul) = { + .name = "sandbox_pmbus_emul", + .id = UCLASS_I2C_EMUL, + .of_match = sandbox_pmbus_ids, + .probe = sandbox_pmbus_probe, + .priv_auto = sizeof(struct sandbox_pmbus_priv), + .ops = &sandbox_pmbus_emul_ops, +}; diff --git a/drivers/power/regulator/spacemit_p1_regulator.c b/drivers/power/regulator/spacemit_p1_regulator.c new file mode 100644 index 00000000000..7b5eb710edf --- /dev/null +++ b/drivers/power/regulator/spacemit_p1_regulator.c @@ -0,0 +1,464 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2025-2026 RISCstar Ltd. + */ + +#include <dm.h> +#include <dm/lists.h> +#include <errno.h> +#include <log.h> +#include <power/pmic.h> +#include <power/regulator.h> +#include <power/spacemit_p1.h> + +struct p1_reg_info { + uint min_uv; + uint step_uv; + u8 vsel_reg; + u8 vsel_sleep_reg; + u8 config_reg; + u8 vsel_mask; + u8 min_sel; + u8 max_sel; +}; + +static const struct p1_reg_info p1_bucks[] = { + /* BUCK 1 */ + { 500000, 5000, P1_BUCK_VSEL(1), P1_BUCK_SVSEL(1), P1_BUCK_CTRL(1), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(1), P1_BUCK_SVSEL(1), P1_BUCK_CTRL(1), + BUCK_VSEL_MASK, 0xab, 0xfe }, + /* BUCK 2 */ + { 500000, 5000, P1_BUCK_VSEL(2), P1_BUCK_SVSEL(2), P1_BUCK_CTRL(2), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(2), P1_BUCK_SVSEL(2), P1_BUCK_CTRL(2), + BUCK_VSEL_MASK, 0xab, 0xfe }, + /* BUCK 3 */ + { 500000, 5000, P1_BUCK_VSEL(3), P1_BUCK_SVSEL(3), P1_BUCK_CTRL(3), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(3), P1_BUCK_SVSEL(3), P1_BUCK_CTRL(3), + BUCK_VSEL_MASK, 0xab, 0xfe }, + /* BUCK 4 */ + { 500000, 5000, P1_BUCK_VSEL(4), P1_BUCK_SVSEL(4), P1_BUCK_CTRL(4), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(4), P1_BUCK_SVSEL(4), P1_BUCK_CTRL(4), + BUCK_VSEL_MASK, 0xab, 0xfe }, + /* BUCK 5 */ + { 500000, 5000, P1_BUCK_VSEL(5), P1_BUCK_SVSEL(5), P1_BUCK_CTRL(5), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(5), P1_BUCK_SVSEL(5), P1_BUCK_CTRL(5), + BUCK_VSEL_MASK, 0xab, 0xfe }, + /* BUCK 6 */ + { 500000, 5000, P1_BUCK_VSEL(6), P1_BUCK_SVSEL(6), P1_BUCK_CTRL(6), + BUCK_VSEL_MASK, 0x00, 0xaa }, + { 1375000, 25000, P1_BUCK_VSEL(6), P1_BUCK_SVSEL(6), P1_BUCK_CTRL(6), + BUCK_VSEL_MASK, 0xab, 0xfe }, +}; + +static const struct p1_reg_info p1_aldos[] = { + /* ALDO 1 */ + { 500000, 25000, P1_ALDO_VOLT(1), P1_ALDO_SVOLT(1), P1_ALDO_CTRL(1), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* ALDO 2 */ + { 500000, 25000, P1_ALDO_VOLT(2), P1_ALDO_SVOLT(2), P1_ALDO_CTRL(2), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* ALDO 3 */ + { 500000, 25000, P1_ALDO_VOLT(3), P1_ALDO_SVOLT(3), P1_ALDO_CTRL(3), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* ALDO 4 */ + { 500000, 25000, P1_ALDO_VOLT(4), P1_ALDO_SVOLT(4), P1_ALDO_CTRL(4), + ALDO_VSEL_MASK, 0x0b, 0x7f }, +}; + +static const struct p1_reg_info p1_dldos[] = { + /* DLDO 1 */ + { 500000, 25000, P1_DLDO_VOLT(1), P1_DLDO_SVOLT(1), P1_DLDO_CTRL(1), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 2 */ + { 500000, 25000, P1_DLDO_VOLT(2), P1_DLDO_SVOLT(2), P1_DLDO_CTRL(2), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 3 */ + { 500000, 25000, P1_DLDO_VOLT(3), P1_DLDO_SVOLT(3), P1_DLDO_CTRL(3), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 4 */ + { 500000, 25000, P1_DLDO_VOLT(4), P1_DLDO_SVOLT(4), P1_DLDO_CTRL(4), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 5 */ + { 500000, 25000, P1_DLDO_VOLT(5), P1_DLDO_SVOLT(5), P1_DLDO_CTRL(5), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 6 */ + { 500000, 25000, P1_DLDO_VOLT(6), P1_DLDO_SVOLT(6), P1_DLDO_CTRL(6), + ALDO_VSEL_MASK, 0x0b, 0x7f }, + /* DLDO 7 */ + { 500000, 25000, P1_DLDO_VOLT(7), P1_DLDO_SVOLT(7), P1_DLDO_CTRL(7), + ALDO_VSEL_MASK, 0x0b, 0x7f }, +}; + +static const struct p1_reg_info *get_buck_reg(struct udevice *pmic, + int idx, int uvolt) +{ + if (idx < 0) + return NULL; + if (uvolt < 1375000) + return &p1_bucks[(idx - 1) * 2 + 0]; + return &p1_bucks[(idx - 1) * 2 + 1]; +} + +static const struct p1_reg_info *get_aldo_reg(struct udevice *pmic, + int idx, int uvolt) +{ + if (idx < 1 || idx > ARRAY_SIZE(p1_aldos)) + return NULL; + return &p1_aldos[idx - 1]; +} + +static const struct p1_reg_info *get_dldo_reg(struct udevice *pmic, + int idx, int uvolt) +{ + if (idx < 1 || idx > ARRAY_SIZE(p1_dldos)) + return NULL; + return &p1_dldos[idx - 1]; +} + +static int buck_get_value(struct udevice *dev) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->read) + return -ENOSYS; + + info = get_buck_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + ret = pmic_reg_read(dev->parent, info->vsel_reg); + if (ret < 0) + return ret; + val = ret & info->vsel_mask; + while (val > info->max_sel) + info++; + + return info->min_uv + (val - info->min_sel) * info->step_uv; +} + +static int buck_set_value(struct udevice *dev, int uvolt) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->write) + return -ENOSYS; + + info = get_buck_reg(dev->parent, dev->driver_data, uvolt); + if (!info) + return -ENOENT; + val = (uvolt - info->min_uv); + val = val / info->step_uv; + val += info->min_sel; + ret = pmic_reg_write(dev->parent, info->vsel_reg, val); + if (ret < 0) + return ret; + return 0; +} + +static int buck_get_enable(struct udevice *dev) +{ + const struct p1_reg_info *info; + int ret; + + info = get_buck_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + return ret & BUCK_EN_MASK; +} + +static int buck_set_enable(struct udevice *dev, bool enable) +{ + const struct p1_reg_info *info; + uint val; + int ret; + + info = get_buck_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + val = (unsigned int)ret; + val &= BUCK_EN_MASK; + + if (enable == val) + return 0; + + val = enable; + ret = pmic_clrsetbits(dev->parent, info->config_reg, BUCK_EN_MASK, val); + if (ret < 0) + return ret; + + return 0; +} + +static const struct dm_regulator_ops p1_buck_ops = { + .get_value = buck_get_value, + .set_value = buck_set_value, + .get_enable = buck_get_enable, + .set_enable = buck_set_enable, +}; + +static int p1_buck_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata; + + uc_pdata = dev_get_uclass_plat(dev); + + uc_pdata->type = REGULATOR_TYPE_BUCK; + uc_pdata->mode_count = 0; + + return 0; +} + +U_BOOT_DRIVER(p1_buck) = { + .name = P1_BUCK_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &p1_buck_ops, + .probe = p1_buck_probe, +}; + +static int aldo_get_value(struct udevice *dev) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->read) + return -ENOSYS; + + info = get_aldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->vsel_reg); + if (ret < 0) + return ret; + + val = ret & info->vsel_mask; + while (val > info->max_sel) + info++; + + return info->min_uv + (val - info->min_sel) * info->step_uv; +} + +static int aldo_set_value(struct udevice *dev, int uvolt) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->write) + return -ENOSYS; + + info = get_aldo_reg(dev->parent, dev->driver_data, uvolt); + if (!info) + return -ENOENT; + val = (uvolt - info->min_uv); + val = val / info->step_uv; + val += info->min_sel; + ret = pmic_reg_write(dev->parent, info->vsel_reg, val); + if (ret < 0) + return ret; + return 0; +} + +static int aldo_get_enable(struct udevice *dev) +{ + const struct p1_reg_info *info; + int ret; + + info = get_aldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + return ret & ALDO_EN_MASK; +} + +static int aldo_set_enable(struct udevice *dev, bool enable) +{ + const struct p1_reg_info *info; + uint val; + int ret; + + info = get_aldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + val = (unsigned int)ret; + val &= ALDO_EN_MASK; + + if (enable == val) + return 0; + + val = enable; + ret = pmic_clrsetbits(dev->parent, info->config_reg, ALDO_EN_MASK, val); + if (ret < 0) + return ret; + + return 0; +} + +static const struct dm_regulator_ops p1_aldo_ops = { + .get_value = aldo_get_value, + .set_value = aldo_set_value, + .get_enable = aldo_get_enable, + .set_enable = aldo_set_enable, +}; + +static int p1_aldo_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata; + + uc_pdata = dev_get_uclass_plat(dev); + + uc_pdata->type = REGULATOR_TYPE_LDO; + uc_pdata->mode_count = 0; + + return 0; +} + +U_BOOT_DRIVER(p1_aldo) = { + .name = P1_ALDO_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &p1_aldo_ops, + .probe = p1_aldo_probe, +}; + +static int dldo_get_value(struct udevice *dev) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->read) + return -ENOSYS; + + info = get_dldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->vsel_reg); + if (ret < 0) + return ret; + + val = ret & info->vsel_mask; + while (val > info->max_sel) + info++; + + return info->min_uv + (val - info->min_sel) * info->step_uv; +} + +static int dldo_set_value(struct udevice *dev, int uvolt) +{ + const struct dm_pmic_ops *ops = device_get_ops(dev->parent); + const struct p1_reg_info *info; + uint val; + int ret; + + if (!ops || !ops->write) + return -ENOSYS; + + info = get_dldo_reg(dev->parent, dev->driver_data, uvolt); + if (!info) + return -ENOENT; + val = (uvolt - info->min_uv); + val = val / info->step_uv; + val += info->min_sel; + ret = pmic_reg_write(dev->parent, info->vsel_reg, val); + if (ret < 0) + return ret; + return 0; +} + +static int dldo_get_enable(struct udevice *dev) +{ + const struct p1_reg_info *info; + int ret; + + info = get_dldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + return ret & DLDO_EN_MASK; +} + +static int dldo_set_enable(struct udevice *dev, bool enable) +{ + const struct p1_reg_info *info; + uint val; + int ret; + + info = get_dldo_reg(dev->parent, dev->driver_data, 0); + if (!info) + return -ENOENT; + + ret = pmic_reg_read(dev->parent, info->config_reg); + if (ret < 0) + return ret; + val = (unsigned int)ret; + val &= DLDO_EN_MASK; + + if (enable == val) + return 0; + + val = enable; + ret = pmic_clrsetbits(dev->parent, info->config_reg, DLDO_EN_MASK, val); + if (ret < 0) + return ret; + + return 0; +} + +static const struct dm_regulator_ops p1_dldo_ops = { + .get_value = dldo_get_value, + .set_value = dldo_set_value, + .get_enable = dldo_get_enable, + .set_enable = dldo_set_enable, +}; + +static int p1_dldo_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata; + + uc_pdata = dev_get_uclass_plat(dev); + + uc_pdata->type = REGULATOR_TYPE_LDO; + uc_pdata->mode_count = 0; + + return 0; +} + +U_BOOT_DRIVER(p1_dldo) = { + .name = P1_DLDO_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &p1_dldo_ops, + .probe = p1_dldo_probe, +}; diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index c851354c7a5..db764ed5ace 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -279,12 +279,5 @@ config RESET_RZG2L_USBPHY_CTRL RZ/G2L SoC. This is required for USB 2.0 functionality to work on this SoC. -config RESET_SPACEMIT_K1 - bool "Support for SPACEMIT's K1 Reset driver" - depends on DM_RESET - help - Support for SPACEMIT's K1 Reset system. Basic Assert/Deassert - is supported. - source "drivers/reset/stm32/Kconfig" endmenu diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 3fce96509cd..384f4336331 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -37,7 +37,7 @@ obj-$(CONFIG_RESET_DRA7) += reset-dra7.o obj-$(CONFIG_RESET_AT91) += reset-at91.o obj-$(CONFIG_$(PHASE_)RESET_JH7110) += reset-jh7110.o obj-$(CONFIG_RESET_RZG2L_USBPHY_CTRL) += reset-rzg2l-usbphy-ctrl.o -obj-$(CONFIG_RESET_SPACEMIT_K1) += reset-spacemit-k1.o +obj-$(CONFIG_CLK_SPACEMIT_K1) += spacemit/ obj-$(CONFIG_ARCH_STM32) += stm32/ obj-$(CONFIG_ARCH_STM32MP) += stm32/ diff --git a/drivers/reset/reset-spacemit-k1.c b/drivers/reset/reset-spacemit-k1.c deleted file mode 100644 index 613e002fc4f..00000000000 --- a/drivers/reset/reset-spacemit-k1.c +++ /dev/null @@ -1,548 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2022 Spacemit Inc. - * Copyright (C) 2025 Huan Zhou <[email protected]> - */ - -#include <asm/io.h> -#include <config.h> -#include <dm.h> -#include <dm/device_compat.h> -#include <dm/device-internal.h> -#include <dm/lists.h> -#include <dt-bindings/reset/spacemit-k1-reset.h> -#include <linux/bitops.h> -#include <reset-uclass.h> - -/* APBC register offset */ -#define APBC_UART1_CLK_RST 0x0 -#define APBC_UART2_CLK_RST 0x4 -#define APBC_GPIO_CLK_RST 0x8 -#define APBC_PWM0_CLK_RST 0xc -#define APBC_PWM1_CLK_RST 0x10 -#define APBC_PWM2_CLK_RST 0x14 -#define APBC_PWM3_CLK_RST 0x18 -#define APBC_TWSI8_CLK_RST 0x20 -#define APBC_UART3_CLK_RST 0x24 -#define APBC_RTC_CLK_RST 0x28 -#define APBC_TWSI0_CLK_RST 0x2c -#define APBC_TWSI1_CLK_RST 0x30 -#define APBC_TIMERS1_CLK_RST 0x34 -#define APBC_TWSI2_CLK_RST 0x38 -#define APBC_AIB_CLK_RST 0x3c -#define APBC_TWSI4_CLK_RST 0x40 -#define APBC_TIMERS2_CLK_RST 0x44 -#define APBC_ONEWIRE_CLK_RST 0x48 -#define APBC_TWSI5_CLK_RST 0x4c -#define APBC_DRO_CLK_RST 0x58 -#define APBC_IR_CLK_RST 0x5c -#define APBC_TWSI6_CLK_RST 0x60 -#define APBC_TWSI7_CLK_RST 0x68 -#define APBC_TSEN_CLK_RST 0x6c - -#define APBC_UART4_CLK_RST 0x70 -#define APBC_UART5_CLK_RST 0x74 -#define APBC_UART6_CLK_RST 0x78 -#define APBC_SSP3_CLK_RST 0x7c - -#define APBC_SSPA0_CLK_RST 0x80 -#define APBC_SSPA1_CLK_RST 0x84 - -#define APBC_IPC_AP2AUD_CLK_RST 0x90 -#define APBC_UART7_CLK_RST 0x94 -#define APBC_UART8_CLK_RST 0x98 -#define APBC_UART9_CLK_RST 0x9c - -#define APBC_CAN0_CLK_RST 0xa0 -#define APBC_PWM4_CLK_RST 0xa8 -#define APBC_PWM5_CLK_RST 0xac -#define APBC_PWM6_CLK_RST 0xb0 -#define APBC_PWM7_CLK_RST 0xb4 -#define APBC_PWM8_CLK_RST 0xb8 -#define APBC_PWM9_CLK_RST 0xbc -#define APBC_PWM10_CLK_RST 0xc0 -#define APBC_PWM11_CLK_RST 0xc4 -#define APBC_PWM12_CLK_RST 0xc8 -#define APBC_PWM13_CLK_RST 0xcc -#define APBC_PWM14_CLK_RST 0xd0 -#define APBC_PWM15_CLK_RST 0xd4 -#define APBC_PWM16_CLK_RST 0xd8 -#define APBC_PWM17_CLK_RST 0xdc -#define APBC_PWM18_CLK_RST 0xe0 -#define APBC_PWM19_CLK_RST 0xe4 -/* end of APBC register offset */ - -/* MPMU register offset */ -#define MPMU_WDTPCR 0x200 -/* end of MPMU register offset */ - -/* APMU register offset */ -#define APMU_JPG_CLK_RES_CTRL 0x20 -#define APMU_CSI_CCIC2_CLK_RES_CTRL 0x24 -#define APMU_ISP_CLK_RES_CTRL 0x38 -#define APMU_LCD_CLK_RES_CTRL1 0x44 -#define APMU_LCD_SPI_CLK_RES_CTRL 0x48 -#define APMU_LCD_CLK_RES_CTRL2 0x4c -#define APMU_CCIC_CLK_RES_CTRL 0x50 -#define APMU_SDH0_CLK_RES_CTRL 0x54 -#define APMU_SDH1_CLK_RES_CTRL 0x58 -#define APMU_USB_CLK_RES_CTRL 0x5c -#define APMU_QSPI_CLK_RES_CTRL 0x60 -#define APMU_USB_CLK_RES_CTRL 0x5c -#define APMU_DMA_CLK_RES_CTRL 0x64 -#define APMU_AES_CLK_RES_CTRL 0x68 -#define APMU_VPU_CLK_RES_CTRL 0xa4 -#define APMU_GPU_CLK_RES_CTRL 0xcc -#define APMU_SDH2_CLK_RES_CTRL 0xe0 -#define APMU_PMUA_MC_CTRL 0xe8 -#define APMU_PMU_CC2_AP 0x100 -#define APMU_PMUA_EM_CLK_RES_CTRL 0x104 - -#define APMU_AUDIO_CLK_RES_CTRL 0x14c -#define APMU_HDMI_CLK_RES_CTRL 0x1B8 - -#define APMU_PCIE_CLK_RES_CTRL_0 0x3cc -#define APMU_PCIE_CLK_RES_CTRL_1 0x3d4 -#define APMU_PCIE_CLK_RES_CTRL_2 0x3dc - -#define APMU_EMAC0_CLK_RES_CTRL 0x3e4 -#define APMU_EMAC1_CLK_RES_CTRL 0x3ec -/* end of APMU register offset */ - -/* APBC2 register offset */ -#define APBC2_UART1_CLK_RST 0x00 -#define APBC2_SSP2_CLK_RST 0x04 -#define APBC2_TWSI3_CLK_RST 0x08 -#define APBC2_RTC_CLK_RST 0x0c -#define APBC2_TIMERS0_CLK_RST 0x10 -#define APBC2_KPC_CLK_RST 0x14 -#define APBC2_GPIO_CLK_RST 0x1c -/* end of APBC2 register offset */ - -enum spacemit_reset_base_type { - RST_BASE_TYPE_MPMU = 0, - RST_BASE_TYPE_APMU = 1, - RST_BASE_TYPE_APBC = 2, - RST_BASE_TYPE_APBS = 3, - RST_BASE_TYPE_CIU = 4, - RST_BASE_TYPE_DCIU = 5, - RST_BASE_TYPE_DDRC = 6, - RST_BASE_TYPE_AUDC = 7, - RST_BASE_TYPE_APBC2 = 8, -}; - -struct spacemit_reset_signal { - u32 offset; - u32 mask; - u32 deassert_val; - u32 assert_val; - enum spacemit_reset_base_type type; -}; - -struct spacemit_reset_base { - void __iomem *mpmu_base; - void __iomem *apmu_base; - void __iomem *apbc_base; - void __iomem *apbs_base; - void __iomem *ciu_base; - void __iomem *dciu_base; - void __iomem *ddrc_base; - void __iomem *audio_ctrl_base; - void __iomem *apbc2_base; -}; - -struct spacemit_reset { - struct spacemit_reset_base io_base; - const struct spacemit_reset_signal *signals; -}; - -enum { - RESET_TWSI6_SPL = 0, - RESET_TWSI8_SPL, - RESET_SDH_AXI_SPL, - RESET_SDH0_SPL, - RESET_USB_AXI_SPL, - RESET_USBP1_AXI_SPL, - RESET_USB3_0_SPL, - RESET_QSPI_SPL, - RESET_QSPI_BUS_SPL, - RESET_AES_SPL, - RESET_SDH2_SPL, - RESET_NUMBER_SPL -}; - -static const struct spacemit_reset_signal - k1_reset_signals[RESET_NUMBER] = { - [RESET_UART1] = { APBC_UART1_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART2] = { APBC_UART2_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_GPIO] = { APBC_GPIO_CLK_RST, BIT(2), 0, - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM0] = { APBC_PWM0_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM1] = { APBC_PWM1_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM2] = { APBC_PWM2_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM3] = { APBC_PWM3_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM4] = { APBC_PWM4_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM5] = { APBC_PWM5_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM6] = { APBC_PWM6_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM7] = { APBC_PWM7_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM8] = { APBC_PWM8_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM9] = { APBC_PWM9_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM10] = { APBC_PWM10_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM11] = { APBC_PWM11_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM12] = { APBC_PWM12_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM13] = { APBC_PWM13_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM14] = { APBC_PWM14_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM15] = { APBC_PWM15_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM16] = { APBC_PWM16_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM17] = { APBC_PWM17_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM18] = { APBC_PWM18_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_PWM19] = { APBC_PWM19_CLK_RST, - BIT(2) | BIT(0), - BIT(0), - BIT(2), - RST_BASE_TYPE_APBC }, - [RESET_SSP3] = { APBC_SSP3_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART3] = { APBC_UART3_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_RTC] = { APBC_RTC_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI0] = { APBC_TWSI0_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TIMERS1] = { APBC_TIMERS1_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_AIB] = { APBC_AIB_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TIMERS2] = { APBC_TIMERS2_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_ONEWIRE] = { APBC_ONEWIRE_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_SSPA0] = { APBC_SSPA0_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_SSPA1] = { APBC_SSPA1_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_DRO] = { APBC_DRO_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_IR] = { APBC_IR_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI1] = { APBC_TWSI1_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TSEN] = { APBC_TSEN_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI2] = { APBC_TWSI2_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI4] = { APBC_TWSI4_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI5] = { APBC_TWSI5_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI6] = { APBC_TWSI6_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI7] = { APBC_TWSI7_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_TWSI8] = { APBC_TWSI8_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_IPC_AP2AUD] = { APBC_IPC_AP2AUD_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART4] = { APBC_UART4_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART5] = { APBC_UART5_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART6] = { APBC_UART6_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART7] = { APBC_UART7_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART8] = { APBC_UART8_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_UART9] = { APBC_UART9_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - [RESET_CAN0] = { APBC_CAN0_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC }, - /* MPMU */ - [RESET_WDT] = { MPMU_WDTPCR, BIT(2), 0, BIT(2), RST_BASE_TYPE_MPMU }, - /* APMU */ - [RESET_JPG] = { APMU_JPG_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_CSI] = { APMU_CSI_CCIC2_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_CCIC2_PHY] = { APMU_CSI_CCIC2_CLK_RES_CTRL, - BIT(2), - BIT(2), - 0, - RST_BASE_TYPE_APMU }, - [RESET_CCIC3_PHY] = { APMU_CSI_CCIC2_CLK_RES_CTRL, - BIT(29), - BIT(29), - 0, - RST_BASE_TYPE_APMU }, - [RESET_ISP] = { APMU_ISP_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_ISP_AHB] = { APMU_ISP_CLK_RES_CTRL, BIT(3), BIT(3), 0, RST_BASE_TYPE_APMU }, - [RESET_ISP_CI] = { APMU_ISP_CLK_RES_CTRL, BIT(16), BIT(16), 0, RST_BASE_TYPE_APMU }, - [RESET_ISP_CPP] = { APMU_ISP_CLK_RES_CTRL, BIT(27), BIT(27), 0, RST_BASE_TYPE_APMU }, - [RESET_LCD] = { APMU_LCD_CLK_RES_CTRL1, BIT(4), BIT(4), 0, RST_BASE_TYPE_APMU }, - [RESET_DSI_ESC] = { APMU_LCD_CLK_RES_CTRL1, BIT(3), BIT(3), 0, RST_BASE_TYPE_APMU }, - [RESET_V2D] = { APMU_LCD_CLK_RES_CTRL1, BIT(27), BIT(27), 0, RST_BASE_TYPE_APMU }, - [RESET_MIPI] = { APMU_LCD_CLK_RES_CTRL1, BIT(15), BIT(15), 0, RST_BASE_TYPE_APMU }, - [RESET_LCD_SPI] = { APMU_LCD_SPI_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_LCD_SPI_BUS] = { APMU_LCD_SPI_CLK_RES_CTRL, - BIT(4), - BIT(4), - 0, - RST_BASE_TYPE_APMU }, - [RESET_LCD_SPI_HBUS] = { APMU_LCD_SPI_CLK_RES_CTRL, - BIT(2), - BIT(2), - 0, - RST_BASE_TYPE_APMU }, - [RESET_LCD_MCLK] = { APMU_LCD_CLK_RES_CTRL2, BIT(9), BIT(9), 0, RST_BASE_TYPE_APMU }, - [RESET_CCIC_4X] = { APMU_CCIC_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_CCIC1_PHY] = { APMU_CCIC_CLK_RES_CTRL, BIT(2), BIT(2), 0, RST_BASE_TYPE_APMU }, - [RESET_SDH_AXI] = { APMU_SDH0_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_SDH0] = { APMU_SDH0_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_SDH1] = { APMU_SDH1_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_USB_AXI] = { APMU_USB_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_USBP1_AXI] = { APMU_USB_CLK_RES_CTRL, BIT(4), BIT(4), 0, RST_BASE_TYPE_APMU }, - [RESET_USB3_0] = { APMU_USB_CLK_RES_CTRL, - BIT(9) | BIT(10) | BIT(11), - BIT(9) | BIT(10) | BIT(11), - 0, - RST_BASE_TYPE_APMU }, - [RESET_QSPI] = { APMU_QSPI_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_QSPI_BUS] = { APMU_QSPI_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_DMA] = { APMU_DMA_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_AES] = { APMU_AES_CLK_RES_CTRL, BIT(4), BIT(4), 0, RST_BASE_TYPE_APMU }, - [RESET_VPU] = { APMU_VPU_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_GPU] = { APMU_GPU_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_SDH2] = { APMU_SDH2_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_MC] = { APMU_PMUA_MC_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_EM_AXI] = { APMU_PMUA_EM_CLK_RES_CTRL, BIT(0), BIT(0), 0, RST_BASE_TYPE_APMU }, - [RESET_EM] = { APMU_PMUA_EM_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_AUDIO_SYS] = { APMU_AUDIO_CLK_RES_CTRL, - BIT(0) | BIT(2) | BIT(3), - BIT(0) | BIT(2) | BIT(3), - 0, - RST_BASE_TYPE_APMU }, - [RESET_HDMI] = { APMU_HDMI_CLK_RES_CTRL, BIT(9), BIT(9), 0, RST_BASE_TYPE_APMU }, - [RESET_PCIE0] = { APMU_PCIE_CLK_RES_CTRL_0, - BIT(3) | BIT(4) | BIT(5) | BIT(8), - BIT(3) | BIT(4) | BIT(5), - BIT(8), - RST_BASE_TYPE_APMU }, - [RESET_PCIE1] = { APMU_PCIE_CLK_RES_CTRL_1, - BIT(3) | BIT(4) | BIT(5) | BIT(8), - BIT(3) | BIT(4) | BIT(5), - BIT(8), - RST_BASE_TYPE_APMU }, - [RESET_PCIE2] = { APMU_PCIE_CLK_RES_CTRL_2, 0x138, 0x38, 0x100, RST_BASE_TYPE_APMU }, - [RESET_EMAC0] = { APMU_EMAC0_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_EMAC1] = { APMU_EMAC1_CLK_RES_CTRL, BIT(1), BIT(1), 0, RST_BASE_TYPE_APMU }, - [RESET_SEC_UART1] = { APBC2_UART1_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_SSP2] = { APBC2_SSP2_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_TWSI3] = { APBC2_TWSI3_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_RTC] = { APBC2_RTC_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_TIMERS0] = { APBC2_TIMERS0_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_KPC] = { APBC2_KPC_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - [RESET_SEC_GPIO] = { APBC2_GPIO_CLK_RST, BIT(2), 0, BIT(2), RST_BASE_TYPE_APBC2 }, - }; - -static u32 spacemit_reset_read(struct spacemit_reset *reset, u32 id) -{ - void __iomem *base; - - switch (reset->signals[id].type) { - case RST_BASE_TYPE_APMU: - base = reset->io_base.apmu_base; - break; - case RST_BASE_TYPE_APBC: - base = reset->io_base.apbc_base; - break; - default: - base = reset->io_base.apbc_base; - break; - } - - return readl(base + reset->signals[id].offset); -} - -static void spacemit_reset_write(struct spacemit_reset *reset, u32 value, u32 id) -{ - void __iomem *base; - - switch (reset->signals[id].type) { - case RST_BASE_TYPE_APMU: - base = reset->io_base.apmu_base; - break; - case RST_BASE_TYPE_APBC: - base = reset->io_base.apbc_base; - break; - default: - base = reset->io_base.apbc_base; - break; - } - - writel(value, base + reset->signals[id].offset); -} - -static void spacemit_reset_set(struct reset_ctl *rst, u32 id, bool assert) -{ - u32 value; - struct spacemit_reset *reset = dev_get_priv(rst->dev); - - value = spacemit_reset_read(reset, id); - - if (assert) { - value &= ~reset->signals[id].mask; - value |= reset->signals[id].assert_val; - } else { - value &= ~reset->signals[id].mask; - value |= reset->signals[id].deassert_val; - } - - spacemit_reset_write(reset, value, id); -} - -static int spacemit_reset_update(struct reset_ctl *rst, bool assert) -{ - if (rst->id < RESET_UART1 || rst->id >= RESET_NUMBER) - return 0; - - /* can not write to twsi8 */ - if (rst->id == RESET_TWSI8) - return 0; - - spacemit_reset_set(rst, rst->id, assert); - return 0; -} - -static int spacemit_reset_assert(struct reset_ctl *rst) -{ - return spacemit_reset_update(rst, true); -} - -static int spacemit_reset_deassert(struct reset_ctl *rst) -{ - return spacemit_reset_update(rst, false); -} - -static int spacemit_k1_reset_probe(struct udevice *dev) -{ - struct spacemit_reset *reset = dev_get_priv(dev); - - reset->io_base.mpmu_base = (void *)dev_remap_addr_index(dev, 0); - if (!reset->io_base.mpmu_base) { - pr_err("failed to map mpmu registers\n"); - goto out; - } - - reset->io_base.apmu_base = (void *)dev_remap_addr_index(dev, 1); - if (!reset->io_base.apmu_base) { - pr_err("failed to map apmu registers\n"); - goto out; - } - - reset->io_base.apbc_base = (void *)dev_remap_addr_index(dev, 2); - if (!reset->io_base.apbc_base) { - pr_err("failed to map apbc registers\n"); - goto out; - } - - reset->io_base.apbs_base = (void *)dev_remap_addr_index(dev, 3); - if (!reset->io_base.apbs_base) { - pr_err("failed to map apbs registers\n"); - goto out; - } - - reset->io_base.ciu_base = (void *)dev_remap_addr_index(dev, 4); - if (!reset->io_base.ciu_base) { - pr_err("failed to map ciu registers\n"); - goto out; - } - - reset->io_base.dciu_base = (void *)dev_remap_addr_index(dev, 5); - if (!reset->io_base.dciu_base) { - pr_err("failed to map dragon ciu registers\n"); - goto out; - } - - reset->io_base.ddrc_base = (void *)dev_remap_addr_index(dev, 6); - if (!reset->io_base.ddrc_base) { - pr_err("failed to map ddrc registers\n"); - goto out; - } - - reset->io_base.apbc2_base = (void *)dev_remap_addr_index(dev, 7); - if (!reset->io_base.apbc2_base) { - pr_err("failed to map apbc2 registers\n"); - goto out; - } - - reset->signals = k1_reset_signals; - -out: - return 0; -} - -const struct reset_ops k1_reset_ops = { - .rst_assert = spacemit_reset_assert, - .rst_deassert = spacemit_reset_deassert, -}; - -static const struct udevice_id k1_reset_ids[] = { - { .compatible = "spacemit,k1-reset", }, - {}, -}; - -U_BOOT_DRIVER(k1_reset) = { - .name = "spacemit,k1-reset", - .id = UCLASS_RESET, - .ops = &k1_reset_ops, - .of_match = k1_reset_ids, - .probe = spacemit_k1_reset_probe, - .priv_auto = sizeof(struct spacemit_reset), -}; diff --git a/drivers/reset/spacemit/Makefile b/drivers/reset/spacemit/Makefile new file mode 100644 index 00000000000..16722c68954 --- /dev/null +++ b/drivers/reset/spacemit/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# SpacemiT reset drivers + +obj-y += reset-spacemit-k1.o diff --git a/drivers/reset/spacemit/reset-spacemit-k1.c b/drivers/reset/spacemit/reset-spacemit-k1.c new file mode 100644 index 00000000000..129e1cc96f1 --- /dev/null +++ b/drivers/reset/spacemit/reset-spacemit-k1.c @@ -0,0 +1,289 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * SpacemiT K1 reset driver (syscon-bound). + * + * Copyright (C) 2022 Spacemit Inc. + * Copyright (C) 2025 Huan Zhou <[email protected]> + * Copyright (C) 2026 RISCstar Ltd. + */ + +#include <asm/io.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dt-bindings/clock/spacemit,k1-syscon.h> +#include <linux/bitops.h> +#include <malloc.h> +#include <reset-uclass.h> +#include <soc/spacemit/k1-reset.h> +#include <soc/spacemit/k1-syscon.h> + +/* =================================================================== + * Per-syscon reset signal tables. + * + * Indexed by the kernel-side per-syscon-local IDs from + * <dt-bindings/clock/spacemit,k1-syscon.h>. Each entry is + * (offset, assert_mask, deassert_mask): bits in assert_mask are set + * when the reset line is asserted; bits in deassert_mask are set when + * deasserted; the union (assert_mask | deassert_mask) is the set of + * bits the controller will overwrite on each transition. + * + * Layout mirrors the kernel-side K1 reset driver. + * =================================================================== + */ + +struct spacemit_k1_reset_data { + u32 offset; + u32 assert_mask; + u32 deassert_mask; +}; + +#define RESET_DATA(o, a, d) { \ + .offset = (o), .assert_mask = (a), .deassert_mask = (d) \ +} + +static const struct spacemit_k1_reset_data k1_mpmu_resets[] = { + [RESET_WDT] = RESET_DATA(MPMU_WDTPCR, BIT(2), 0), +}; + +static const struct spacemit_k1_reset_data k1_apbc_resets[] = { + [RESET_UART0] = RESET_DATA(APBC_UART1_CLK_RST, BIT(2), 0), + [RESET_UART2] = RESET_DATA(APBC_UART2_CLK_RST, BIT(2), 0), + [RESET_UART3] = RESET_DATA(APBC_UART3_CLK_RST, BIT(2), 0), + [RESET_UART4] = RESET_DATA(APBC_UART4_CLK_RST, BIT(2), 0), + [RESET_UART5] = RESET_DATA(APBC_UART5_CLK_RST, BIT(2), 0), + [RESET_UART6] = RESET_DATA(APBC_UART6_CLK_RST, BIT(2), 0), + [RESET_UART7] = RESET_DATA(APBC_UART7_CLK_RST, BIT(2), 0), + [RESET_UART8] = RESET_DATA(APBC_UART8_CLK_RST, BIT(2), 0), + [RESET_UART9] = RESET_DATA(APBC_UART9_CLK_RST, BIT(2), 0), + [RESET_GPIO] = RESET_DATA(APBC_GPIO_CLK_RST, BIT(2), 0), + [RESET_PWM0] = RESET_DATA(APBC_PWM0_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM1] = RESET_DATA(APBC_PWM1_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM2] = RESET_DATA(APBC_PWM2_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM3] = RESET_DATA(APBC_PWM3_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM4] = RESET_DATA(APBC_PWM4_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM5] = RESET_DATA(APBC_PWM5_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM6] = RESET_DATA(APBC_PWM6_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM7] = RESET_DATA(APBC_PWM7_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM8] = RESET_DATA(APBC_PWM8_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM9] = RESET_DATA(APBC_PWM9_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM10] = RESET_DATA(APBC_PWM10_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM11] = RESET_DATA(APBC_PWM11_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM12] = RESET_DATA(APBC_PWM12_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM13] = RESET_DATA(APBC_PWM13_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM14] = RESET_DATA(APBC_PWM14_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM15] = RESET_DATA(APBC_PWM15_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM16] = RESET_DATA(APBC_PWM16_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM17] = RESET_DATA(APBC_PWM17_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM18] = RESET_DATA(APBC_PWM18_CLK_RST, BIT(2), BIT(0)), + [RESET_PWM19] = RESET_DATA(APBC_PWM19_CLK_RST, BIT(2), BIT(0)), + [RESET_SSP3] = RESET_DATA(APBC_SSP3_CLK_RST, BIT(2), 0), + [RESET_RTC] = RESET_DATA(APBC_RTC_CLK_RST, BIT(2), 0), + [RESET_TWSI0] = RESET_DATA(APBC_TWSI0_CLK_RST, BIT(2), 0), + [RESET_TWSI1] = RESET_DATA(APBC_TWSI1_CLK_RST, BIT(2), 0), + [RESET_TWSI2] = RESET_DATA(APBC_TWSI2_CLK_RST, BIT(2), 0), + [RESET_TWSI4] = RESET_DATA(APBC_TWSI4_CLK_RST, BIT(2), 0), + [RESET_TWSI5] = RESET_DATA(APBC_TWSI5_CLK_RST, BIT(2), 0), + [RESET_TWSI6] = RESET_DATA(APBC_TWSI6_CLK_RST, BIT(2), 0), + [RESET_TWSI7] = RESET_DATA(APBC_TWSI7_CLK_RST, BIT(2), 0), + [RESET_TWSI8] = RESET_DATA(APBC_TWSI8_CLK_RST, BIT(2), 0), + [RESET_TIMERS1] = RESET_DATA(APBC_TIMERS1_CLK_RST, BIT(2), 0), + [RESET_TIMERS2] = RESET_DATA(APBC_TIMERS2_CLK_RST, BIT(2), 0), + [RESET_AIB] = RESET_DATA(APBC_AIB_CLK_RST, BIT(2), 0), + [RESET_ONEWIRE] = RESET_DATA(APBC_ONEWIRE_CLK_RST, BIT(2), 0), + [RESET_SSPA0] = RESET_DATA(APBC_SSPA0_CLK_RST, BIT(2), 0), + [RESET_SSPA1] = RESET_DATA(APBC_SSPA1_CLK_RST, BIT(2), 0), + [RESET_DRO] = RESET_DATA(APBC_DRO_CLK_RST, BIT(2), 0), + [RESET_IR] = RESET_DATA(APBC_IR_CLK_RST, BIT(2), 0), + [RESET_TSEN] = RESET_DATA(APBC_TSEN_CLK_RST, BIT(2), 0), + [RESET_IPC_AP2AUD] = RESET_DATA(APBC_IPC_AP2AUD_CLK_RST, BIT(2), 0), + [RESET_CAN0] = RESET_DATA(APBC_CAN0_CLK_RST, BIT(2), 0), +}; + +static const struct spacemit_k1_reset_data k1_apmu_resets[] = { + [RESET_CCIC_4X] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(1)), + [RESET_CCIC1_PHY] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(2)), + [RESET_SDH_AXI] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(0)), + [RESET_SDH0] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(1)), + [RESET_SDH1] = RESET_DATA(APMU_SDH1_CLK_RES_CTRL, 0, BIT(1)), + [RESET_SDH2] = RESET_DATA(APMU_SDH2_CLK_RES_CTRL, 0, BIT(1)), + [RESET_USBP1_AXI] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(4)), + [RESET_USB_AXI] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(0)), + [RESET_USB30_AHB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(9)), + [RESET_USB30_VCC] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(10)), + [RESET_USB30_PHY] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(11)), + [RESET_QSPI] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(1)), + [RESET_QSPI_BUS] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(0)), + [RESET_DMA] = RESET_DATA(APMU_DMA_CLK_RES_CTRL, 0, BIT(0)), + [RESET_AES] = RESET_DATA(APMU_AES_CLK_RES_CTRL, 0, BIT(4)), + [RESET_VPU] = RESET_DATA(APMU_VPU_CLK_RES_CTRL, 0, BIT(0)), + [RESET_GPU] = RESET_DATA(APMU_GPU_CLK_RES_CTRL, 0, BIT(1)), + [RESET_EMMC] = RESET_DATA(APMU_PMUA_EM_CLK_RES_CTRL, 0, BIT(1)), + [RESET_EMMC_X] = RESET_DATA(APMU_PMUA_EM_CLK_RES_CTRL, 0, BIT(0)), + [RESET_AUDIO_SYS] = RESET_DATA(APMU_AUDIO_CLK_RES_CTRL, 0, BIT(0)), + [RESET_AUDIO_MCU] = RESET_DATA(APMU_AUDIO_CLK_RES_CTRL, 0, BIT(2)), + [RESET_AUDIO_APMU] = RESET_DATA(APMU_AUDIO_CLK_RES_CTRL, 0, BIT(3)), + [RESET_HDMI] = RESET_DATA(APMU_HDMI_CLK_RES_CTRL, 0, BIT(9)), + [RESET_PCIE0_DBI] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_0, 0, BIT(3)), + [RESET_PCIE0_SLAVE] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_0, 0, BIT(4)), + [RESET_PCIE0_MASTER] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_0, 0, BIT(5)), + [RESET_PCIE0_GLOBAL] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_0, BIT(8), 0), + [RESET_PCIE1_DBI] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_1, 0, BIT(3)), + [RESET_PCIE1_SLAVE] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_1, 0, BIT(4)), + [RESET_PCIE1_MASTER] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_1, 0, BIT(5)), + [RESET_PCIE1_GLOBAL] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_1, BIT(8), 0), + [RESET_PCIE2_DBI] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_2, 0, BIT(3)), + [RESET_PCIE2_SLAVE] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_2, 0, BIT(4)), + [RESET_PCIE2_MASTER] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_2, 0, BIT(5)), + [RESET_PCIE2_GLOBAL] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_2, BIT(8), 0), + [RESET_EMAC0] = RESET_DATA(APMU_EMAC0_CLK_RES_CTRL, 0, BIT(1)), + [RESET_EMAC1] = RESET_DATA(APMU_EMAC1_CLK_RES_CTRL, 0, BIT(1)), + [RESET_JPG] = RESET_DATA(APMU_JPG_CLK_RES_CTRL, 0, BIT(0)), + [RESET_CCIC2PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(2)), + [RESET_CCIC3PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(29)), + [RESET_CSI] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(1)), + [RESET_ISP] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(0)), + [RESET_ISP_CPP] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(27)), + [RESET_ISP_BUS] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(3)), + [RESET_ISP_CI] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(16)), + [RESET_DPU_MCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL2, 0, BIT(9)), + [RESET_DPU_ESC] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(3)), + [RESET_DPU_HCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(4)), + [RESET_DPU_SPIBUS] = RESET_DATA(APMU_LCD_SPI_CLK_RES_CTRL, 0, BIT(4)), + [RESET_DPU_SPI_HBUS] = RESET_DATA(APMU_LCD_SPI_CLK_RES_CTRL, 0, BIT(2)), + [RESET_V2D] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(27)), + [RESET_MIPI] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(15)), + [RESET_MC] = RESET_DATA(APMU_PMUA_MC_CTRL, 0, BIT(0)), +}; + +static const struct spacemit_k1_reset_data k1_apbc2_resets[] = { + [RESET_APBC2_UART1] = RESET_DATA(APBC2_UART1_CLK_RST, BIT(2), 0), + [RESET_APBC2_SSP2] = RESET_DATA(APBC2_SSP2_CLK_RST, BIT(2), 0), + [RESET_APBC2_TWSI3] = RESET_DATA(APBC2_TWSI3_CLK_RST, BIT(2), 0), + [RESET_APBC2_RTC] = RESET_DATA(APBC2_RTC_CLK_RST, BIT(2), 0), + [RESET_APBC2_TIMERS0] = RESET_DATA(APBC2_TIMERS0_CLK_RST, BIT(2), 0), + [RESET_APBC2_KPC] = RESET_DATA(APBC2_KPC_CLK_RST, BIT(2), 0), + [RESET_APBC2_GPIO] = RESET_DATA(APBC2_GPIO_CLK_RST, BIT(2), 0), +}; + +/* =================================================================== + * Driver + * =================================================================== + */ + +struct spacemit_k1_reset_priv { + void __iomem *base; + const struct spacemit_k1_reset_data *table; + size_t table_size; +}; + +static int spacemit_k1_reset_xfer(struct reset_ctl *rst, bool assert) +{ + struct spacemit_k1_reset_priv *priv = dev_get_priv(rst->dev); + const struct spacemit_k1_reset_data *e; + u32 v; + + if (rst->id >= priv->table_size) + return -EINVAL; + + e = &priv->table[rst->id]; + if (e->assert_mask == 0 && e->deassert_mask == 0) + return -EINVAL; /* not owned by this syscon */ + + v = readl(priv->base + e->offset); + v &= ~(e->assert_mask | e->deassert_mask); + v |= assert ? e->assert_mask : e->deassert_mask; + writel(v, priv->base + e->offset); + + return 0; +} + +static int spacemit_k1_reset_assert(struct reset_ctl *rst) +{ + return spacemit_k1_reset_xfer(rst, true); +} + +static int spacemit_k1_reset_deassert(struct reset_ctl *rst) +{ + return spacemit_k1_reset_xfer(rst, false); +} + +static int spacemit_k1_reset_request(struct reset_ctl *rst) +{ + struct spacemit_k1_reset_priv *priv = dev_get_priv(rst->dev); + + return rst->id < priv->table_size ? 0 : -EINVAL; +} + +static const struct reset_ops spacemit_k1_reset_ops = { + .request = spacemit_k1_reset_request, + .rst_assert = spacemit_k1_reset_assert, + .rst_deassert = spacemit_k1_reset_deassert, +}; + +static int spacemit_k1_reset_probe(struct udevice *dev) +{ + struct spacemit_k1_reset_priv *priv = dev_get_priv(dev); + + priv->base = (void __iomem *)dev_remap_addr(dev); + if (!priv->base) + return -ENODEV; + + return 0; +} + +U_BOOT_DRIVER(spacemit_k1_reset) = { + .name = "spacemit_k1_reset", + .id = UCLASS_RESET, + .ops = &spacemit_k1_reset_ops, + .probe = spacemit_k1_reset_probe, + .priv_auto = sizeof(struct spacemit_k1_reset_priv), + .flags = DM_FLAG_PRE_RELOC, +}; + +int spacemit_k1_reset_bind(struct udevice *parent, + enum spacemit_k1_reset_syscon syscon) +{ + struct spacemit_k1_reset_priv *priv; + struct udevice *rst_dev; + const struct spacemit_k1_reset_data *table; + size_t table_size; + int ret; + + switch (syscon) { + case SPACEMIT_K1_RESET_MPMU: + table = k1_mpmu_resets; + table_size = ARRAY_SIZE(k1_mpmu_resets); + break; + case SPACEMIT_K1_RESET_APMU: + table = k1_apmu_resets; + table_size = ARRAY_SIZE(k1_apmu_resets); + break; + case SPACEMIT_K1_RESET_APBC: + table = k1_apbc_resets; + table_size = ARRAY_SIZE(k1_apbc_resets); + break; + case SPACEMIT_K1_RESET_APBC2: + table = k1_apbc2_resets; + table_size = ARRAY_SIZE(k1_apbc2_resets); + break; + default: + return -EINVAL; + } + + ret = device_bind_driver_to_node(parent, "spacemit_k1_reset", "reset", + dev_ofnode(parent), &rst_dev); + if (ret) + return ret; + + priv = malloc(sizeof(*priv)); + if (!priv) { + device_unbind(rst_dev); + return -ENOMEM; + } + priv->table = table; + priv->table_size = table_size; + dev_set_priv(rst_dev, priv); + + return 0; +} diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index 955f1c96407..917445e1ee2 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -362,10 +362,14 @@ static int _lpuart32_serial_putc(struct lpuart_serial_plat *plat, static int _lpuart32_serial_tstc(struct lpuart_serial_plat *plat) { struct lpuart_fsl_reg32 *base = plat->reg; - u32 water; + u32 stat, water; lpuart_read32(plat->flags, &base->water, &water); + lpuart_read32(plat->flags, &base->stat, &stat); + if (stat & STAT_OR) + lpuart_write32(plat->flags, &base->stat, STAT_OR); + if ((water >> 24) == 0) return 0; diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c index b520c727900..0df9a4f5abd 100644 --- a/drivers/spi/designware_spi.c +++ b/drivers/spi/designware_spi.c @@ -497,6 +497,7 @@ static int dw_spi_xfer(struct udevice *dev, unsigned int bitlen, { struct udevice *bus = dev->parent; struct dw_spi_priv *priv = dev_get_priv(bus); + struct spi_slave *slave = dev_get_parent_priv(dev); const u8 *tx = dout; u8 *rx = din; int ret = 0; @@ -504,6 +505,17 @@ static int dw_spi_xfer(struct udevice *dev, unsigned int bitlen, u32 val; u32 cs; + /* Get bits_per_word from slave (set by device driver) */ + if (slave->bits_per_word >= 4 && slave->bits_per_word <= priv->max_xfer) { + priv->bits_per_word = slave->bits_per_word; + } else if (slave->bits_per_word == 0) { + priv->bits_per_word = 8; /* Default if not set */ + } else { + dev_warn(dev, "Invalid bits_per_word %u, using 8\n", + slave->bits_per_word); + priv->bits_per_word = 8; + } + /* spi core configured to do 8 bit transfers */ if (bitlen % 8) { dev_err(dev, "Non byte aligned SPI transfer.\n"); diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 65ab3e306d7..5692510a558 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -267,6 +267,14 @@ static const struct fsl_qspi_devtype_data ls2080a_data = { .little_endian = true, }; +static const struct fsl_qspi_devtype_data spacemit_k1_data = { + .rxfifo = SZ_128, + .txfifo = SZ_256, + .ahb_buf_size = SZ_128, + .quirks = QUADSPI_QUIRK_TKT253890, + .little_endian = true, +}; + struct fsl_qspi { struct udevice *dev; void __iomem *iobase; @@ -870,6 +878,7 @@ static const struct udevice_id fsl_qspi_ids[] = { { .compatible = "fsl,ls1021a-qspi", .data = (ulong)&ls1021a_data, }, { .compatible = "fsl,ls1088a-qspi", .data = (ulong)&ls2080a_data, }, { .compatible = "fsl,ls2080a-qspi", .data = (ulong)&ls2080a_data, }, + { .compatible = "spacemit,k1-qspi", .data = (ulong)&spacemit_k1_data, }, { } }; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 9ad0d699850..3b7e807a024 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -63,4 +63,12 @@ config DM_THERMAL_JC42 Enable support for the JEDEC JC-42.4 temperature sensor found on the SPD bus of DDR3 and DDR4 DIMMs (TSE2004av and compatible). +config PMBUS_THERMAL + bool "Generic PMBus temperature" + depends on DM_REGULATOR_PMBUS_HELPER + help + Expose the die-temperature reading of any PMBus voltage + regulator bound by a pmbus_helper based chip driver + as a UCLASS_THERMAL device. + endif # if DM_THERMAL diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index c9fa7561b45..475026a5ab2 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -12,3 +12,4 @@ obj-$(CONFIG_SANDBOX) += thermal_sandbox.o obj-$(CONFIG_TI_DRA7_THERMAL) += ti-bandgap.o obj-$(CONFIG_TI_LM74_THERMAL) += ti-lm74.o obj-$(CONFIG_DM_THERMAL_JC42) += jc42.o +obj-$(CONFIG_PMBUS_THERMAL) += pmbus_thermal.o diff --git a/drivers/thermal/pmbus_thermal.c b/drivers/thermal/pmbus_thermal.c new file mode 100644 index 00000000000..c251cea8ddf --- /dev/null +++ b/drivers/thermal/pmbus_thermal.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2026 Free Mobile - Vincent Jardin + * + * Generic UCLASS_THERMAL companion for PMBus voltage regulators. + * + * Works with any chip bound by a pmbus_helper based regulator driver + * (drivers/power/regulator/<chip>.c calling + * pmbus_regulator_probe_common()). It auto-spawns one + * of these thermal devices per regulator. + * + * The reading is the chip's READ_TEMPERATURE_1 (PMBus 0x8D), decoded + * through the parent's pmbus_driver_info. + */ + +#include <dm.h> +#include <pmbus.h> +#include <thermal.h> + +static int pmbus_thermal_get_temp(struct udevice *dev, int *temp) +{ + return pmbus_regulator_read_temp(dev_get_parent(dev), temp); +} + +static const struct dm_thermal_ops pmbus_thermal_ops = { + .get_temp = pmbus_thermal_get_temp, +}; + +U_BOOT_DRIVER(pmbus_thermal) = { + .name = "pmbus_thermal", + .id = UCLASS_THERMAL, + .ops = &pmbus_thermal_ops, +}; |