From 4556cf8271c1deac3454eea222e3e3afdba40933 Mon Sep 17 00:00:00 2001 From: Gaurav Jain Date: Thu, 24 Mar 2022 11:50:25 +0530 Subject: crypto/fsl: Add support for CAAM Job ring driver model added device tree support for job ring driver. sec is initialized based on job ring information processed from device tree. Signed-off-by: Gaurav Jain Reviewed-by: Ye Li Reviewed-by: Simon Glass --- drivers/crypto/fsl/Kconfig | 1 + drivers/crypto/fsl/jr.c | 323 +++++++++++++++++++++++++++++---------------- drivers/crypto/fsl/jr.h | 31 ++++- 3 files changed, 241 insertions(+), 114 deletions(-) (limited to 'drivers') diff --git a/drivers/crypto/fsl/Kconfig b/drivers/crypto/fsl/Kconfig index 94ff5401119..231eb00b5fe 100644 --- a/drivers/crypto/fsl/Kconfig +++ b/drivers/crypto/fsl/Kconfig @@ -2,6 +2,7 @@ config FSL_CAAM bool "Freescale Crypto Driver Support" select SHA_HW_ACCEL # hw_sha1() under drivers/crypto, and needed with SHA_HW_ACCEL + select MISC if DM imply SPL_CRYPTO if (ARM && SPL) imply CMD_HASH help diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index 22b649219e8..81039874252 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2008-2014 Freescale Semiconductor, Inc. - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP * * Based on CAAM driver in drivers/crypto/caam in Linux */ @@ -11,7 +11,6 @@ #include #include #include -#include "fsl_sec.h" #include "jr.h" #include "jobdesc.h" #include "desc_constr.h" @@ -21,7 +20,10 @@ #include #include #endif +#include #include +#include +#include #include #define CIRC_CNT(head, tail, size) (((head) - (tail)) & (size - 1)) @@ -35,20 +37,29 @@ uint32_t sec_offset[CONFIG_SYS_FSL_MAX_NUM_OF_SEC] = { #endif }; +#if CONFIG_IS_ENABLED(DM) +struct udevice *caam_dev; +#else #define SEC_ADDR(idx) \ (ulong)((CONFIG_SYS_FSL_SEC_ADDR + sec_offset[idx])) #define SEC_JR0_ADDR(idx) \ (ulong)(SEC_ADDR(idx) + \ (CONFIG_SYS_FSL_JR0_OFFSET - CONFIG_SYS_FSL_SEC_OFFSET)) +struct caam_regs caam_st; +#endif -struct jobring jr0[CONFIG_SYS_FSL_MAX_NUM_OF_SEC]; +static inline u32 jr_start_reg(u8 jrid) +{ + return (1 << jrid); +} -static inline void start_jr0(uint8_t sec_idx) +static inline void start_jr(struct caam_regs *caam) { - ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx); + ccsr_sec_t *sec = caam->sec; u32 ctpr_ms = sec_in32(&sec->ctpr_ms); u32 scfgr = sec_in32(&sec->scfgr); + u32 jrstart = jr_start_reg(caam->jrid); if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_INCL) { /* VIRT_EN_INCL = 1 & VIRT_EN_POR = 1 or @@ -56,23 +67,16 @@ static inline void start_jr0(uint8_t sec_idx) */ if ((ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) || (scfgr & SEC_SCFGR_VIRT_EN)) - sec_out32(&sec->jrstartr, CONFIG_JRSTARTR_JR0); + sec_out32(&sec->jrstartr, jrstart); } else { /* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */ if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) - sec_out32(&sec->jrstartr, CONFIG_JRSTARTR_JR0); + sec_out32(&sec->jrstartr, jrstart); } } -static inline void jr_reset_liodn(uint8_t sec_idx) +static inline void jr_disable_irq(struct jr_regs *regs) { - ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx); - sec_out32(&sec->jrliodnr[0].ls, 0); -} - -static inline void jr_disable_irq(uint8_t sec_idx) -{ - struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); uint32_t jrcfg = sec_in32(®s->jrcfg1); jrcfg = jrcfg | JR_INTMASK; @@ -80,10 +84,10 @@ static inline void jr_disable_irq(uint8_t sec_idx) sec_out32(®s->jrcfg1, jrcfg); } -static void jr_initregs(uint8_t sec_idx) +static void jr_initregs(uint8_t sec_idx, struct caam_regs *caam) { - struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); - struct jobring *jr = &jr0[sec_idx]; + struct jr_regs *regs = caam->regs; + struct jobring *jr = &caam->jr[sec_idx]; caam_dma_addr_t ip_base = virt_to_phys((void *)jr->input_ring); caam_dma_addr_t op_base = virt_to_phys((void *)jr->output_ring); @@ -103,16 +107,16 @@ static void jr_initregs(uint8_t sec_idx) sec_out32(®s->irs, JR_SIZE); if (!jr->irq) - jr_disable_irq(sec_idx); + jr_disable_irq(regs); } -static int jr_init(uint8_t sec_idx) +static int jr_init(uint8_t sec_idx, struct caam_regs *caam) { - struct jobring *jr = &jr0[sec_idx]; + struct jobring *jr = &caam->jr[sec_idx]; memset(jr, 0, sizeof(struct jobring)); - jr->jq_id = DEFAULT_JR_ID; + jr->jq_id = caam->jrid; jr->irq = DEFAULT_IRQ; #ifdef CONFIG_FSL_CORENET @@ -134,53 +138,8 @@ static int jr_init(uint8_t sec_idx) memset(jr->input_ring, 0, JR_SIZE * sizeof(caam_dma_addr_t)); memset(jr->output_ring, 0, jr->op_size); - start_jr0(sec_idx); - - jr_initregs(sec_idx); - - return 0; -} - -static int jr_sw_cleanup(uint8_t sec_idx) -{ - struct jobring *jr = &jr0[sec_idx]; - - jr->head = 0; - jr->tail = 0; - jr->read_idx = 0; - jr->write_idx = 0; - memset(jr->info, 0, sizeof(jr->info)); - memset(jr->input_ring, 0, jr->size * sizeof(caam_dma_addr_t)); - memset(jr->output_ring, 0, jr->size * sizeof(struct op_ring)); - - return 0; -} - -static int jr_hw_reset(uint8_t sec_idx) -{ - struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); - uint32_t timeout = 100000; - uint32_t jrint, jrcr; - - sec_out32(®s->jrcr, JRCR_RESET); - do { - jrint = sec_in32(®s->jrint); - } while (((jrint & JRINT_ERR_HALT_MASK) == - JRINT_ERR_HALT_INPROGRESS) && --timeout); - - jrint = sec_in32(®s->jrint); - if (((jrint & JRINT_ERR_HALT_MASK) != - JRINT_ERR_HALT_INPROGRESS) && timeout == 0) - return -1; - - timeout = 100000; - sec_out32(®s->jrcr, JRCR_RESET); - do { - jrcr = sec_in32(®s->jrcr); - } while ((jrcr & JRCR_RESET) && --timeout); - - if (timeout == 0) - return -1; + start_jr(caam); + jr_initregs(sec_idx, caam); return 0; } @@ -188,10 +147,10 @@ static int jr_hw_reset(uint8_t sec_idx) /* -1 --- error, can't enqueue -- no space available */ static int jr_enqueue(uint32_t *desc_addr, void (*callback)(uint32_t status, void *arg), - void *arg, uint8_t sec_idx) + void *arg, uint8_t sec_idx, struct caam_regs *caam) { - struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); - struct jobring *jr = &jr0[sec_idx]; + struct jr_regs *regs = caam->regs; + struct jobring *jr = &caam->jr[sec_idx]; int head = jr->head; uint32_t desc_word; int length = desc_len(desc_addr); @@ -263,10 +222,10 @@ static int jr_enqueue(uint32_t *desc_addr, return 0; } -static int jr_dequeue(int sec_idx) +static int jr_dequeue(int sec_idx, struct caam_regs *caam) { - struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); - struct jobring *jr = &jr0[sec_idx]; + struct jr_regs *regs = caam->regs; + struct jobring *jr = &caam->jr[sec_idx]; int head = jr->head; int tail = jr->tail; int idx, i, found; @@ -349,14 +308,18 @@ static void desc_done(uint32_t status, void *arg) { struct result *x = arg; x->status = status; -#ifndef CONFIG_SPL_BUILD caam_jr_strstatus(status); -#endif x->done = 1; } static inline int run_descriptor_jr_idx(uint32_t *desc, uint8_t sec_idx) { + struct caam_regs *caam; +#if CONFIG_IS_ENABLED(DM) + caam = dev_get_priv(caam_dev); +#else + caam = &caam_st; +#endif unsigned long long timeval = 0; unsigned long long timeout = CONFIG_USEC_DEQ_TIMEOUT; struct result op; @@ -364,7 +327,7 @@ static inline int run_descriptor_jr_idx(uint32_t *desc, uint8_t sec_idx) memset(&op, 0, sizeof(op)); - ret = jr_enqueue(desc, desc_done, &op, sec_idx); + ret = jr_enqueue(desc, desc_done, &op, sec_idx, caam); if (ret) { debug("Error in SEC enq\n"); ret = JQ_ENQ_ERR; @@ -375,7 +338,7 @@ static inline int run_descriptor_jr_idx(uint32_t *desc, uint8_t sec_idx) udelay(1); timeval += 1; - ret = jr_dequeue(sec_idx); + ret = jr_dequeue(sec_idx, caam); if (ret) { debug("Error in SEC deq\n"); ret = JQ_DEQ_ERR; @@ -402,13 +365,62 @@ int run_descriptor_jr(uint32_t *desc) return run_descriptor_jr_idx(desc, 0); } +static int jr_sw_cleanup(uint8_t sec_idx, struct caam_regs *caam) +{ + struct jobring *jr = &caam->jr[sec_idx]; + + jr->head = 0; + jr->tail = 0; + jr->read_idx = 0; + jr->write_idx = 0; + memset(jr->info, 0, sizeof(jr->info)); + memset(jr->input_ring, 0, jr->size * sizeof(caam_dma_addr_t)); + memset(jr->output_ring, 0, jr->size * sizeof(struct op_ring)); + + return 0; +} + +static int jr_hw_reset(struct jr_regs *regs) +{ + uint32_t timeout = 100000; + uint32_t jrint, jrcr; + + sec_out32(®s->jrcr, JRCR_RESET); + do { + jrint = sec_in32(®s->jrint); + } while (((jrint & JRINT_ERR_HALT_MASK) == + JRINT_ERR_HALT_INPROGRESS) && --timeout); + + jrint = sec_in32(®s->jrint); + if (((jrint & JRINT_ERR_HALT_MASK) != + JRINT_ERR_HALT_INPROGRESS) && timeout == 0) + return -1; + + timeout = 100000; + sec_out32(®s->jrcr, JRCR_RESET); + do { + jrcr = sec_in32(®s->jrcr); + } while ((jrcr & JRCR_RESET) && --timeout); + + if (timeout == 0) + return -1; + + return 0; +} + static inline int jr_reset_sec(uint8_t sec_idx) { - if (jr_hw_reset(sec_idx) < 0) + struct caam_regs *caam; +#if CONFIG_IS_ENABLED(DM) + caam = dev_get_priv(caam_dev); +#else + caam = &caam_st; +#endif + if (jr_hw_reset(caam->regs) < 0) return -1; /* Clean up the jobring structure maintained by software */ - jr_sw_cleanup(sec_idx); + jr_sw_cleanup(sec_idx, caam); return 0; } @@ -418,9 +430,15 @@ int jr_reset(void) return jr_reset_sec(0); } -static inline int sec_reset_idx(uint8_t sec_idx) +int sec_reset(void) { - ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx); + struct caam_regs *caam; +#if CONFIG_IS_ENABLED(DM) + caam = dev_get_priv(caam_dev); +#else + caam = &caam_st; +#endif + ccsr_sec_t *sec = caam->sec; uint32_t mcfgr = sec_in32(&sec->mcfgr); uint32_t timeout = 100000; @@ -446,11 +464,7 @@ static inline int sec_reset_idx(uint8_t sec_idx) return 0; } -int sec_reset(void) -{ - return sec_reset_idx(0); -} -#ifndef CONFIG_SPL_BUILD + static int deinstantiate_rng(u8 sec_idx, int state_handle_mask) { u32 *desc; @@ -496,12 +510,11 @@ static int deinstantiate_rng(u8 sec_idx, int state_handle_mask) return ret; } -static int instantiate_rng(u8 sec_idx, int gen_sk) +static int instantiate_rng(uint8_t sec_idx, ccsr_sec_t *sec, int gen_sk) { u32 *desc; u32 rdsta_val; int ret = 0, sh_idx, size; - ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx); struct rng4tst __iomem *rng = (struct rng4tst __iomem *)&sec->rng; @@ -554,9 +567,8 @@ static int instantiate_rng(u8 sec_idx, int gen_sk) return ret; } -static u8 get_rng_vid(uint8_t sec_idx) +static u8 get_rng_vid(ccsr_sec_t *sec) { - ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx); u8 vid; if (caam_get_era() < 10) { @@ -574,9 +586,8 @@ static u8 get_rng_vid(uint8_t sec_idx) * By default, the TRNG runs for 200 clocks per sample; * 1200 clocks per sample generates better entropy. */ -static void kick_trng(int ent_delay, uint8_t sec_idx) +static void kick_trng(int ent_delay, ccsr_sec_t *sec) { - ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx); struct rng4tst __iomem *rng = (struct rng4tst __iomem *)&sec->rng; u32 val; @@ -603,10 +614,9 @@ static void kick_trng(int ent_delay, uint8_t sec_idx) sec_clrbits32(&rng->rtmctl, RTMCTL_PRGM); } -static int rng_init(uint8_t sec_idx) +static int rng_init(uint8_t sec_idx, ccsr_sec_t *sec) { int ret, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; - ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx); struct rng4tst __iomem *rng = (struct rng4tst __iomem *)&sec->rng; u32 inst_handles; @@ -624,7 +634,7 @@ static int rng_init(uint8_t sec_idx) * the TRNG parameters. */ if (!inst_handles) { - kick_trng(ent_delay, sec_idx); + kick_trng(ent_delay, sec); ent_delay += 400; } /* @@ -634,7 +644,7 @@ static int rng_init(uint8_t sec_idx) * interval, leading to a sucessful initialization of * the RNG. */ - ret = instantiate_rng(sec_idx, gen_sk); + ret = instantiate_rng(sec_idx, sec, gen_sk); } while ((ret == -1) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); if (ret) { printf("SEC%u: Failed to instantiate RNG\n", sec_idx); @@ -646,13 +656,28 @@ static int rng_init(uint8_t sec_idx) return ret; } -#endif + int sec_init_idx(uint8_t sec_idx) { - ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx); - uint32_t mcr = sec_in32(&sec->mcfgr); int ret = 0; - + struct caam_regs *caam; +#if CONFIG_IS_ENABLED(DM) + if (!caam_dev) { + printf("caam_jr: caam not found\n"); + return -1; + } + caam = dev_get_priv(caam_dev); +#else + caam_st.sec = (void *)SEC_ADDR(sec_idx); + caam_st.regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx); + caam_st.jrid = 0; + caam = &caam_st; +#endif + ccsr_sec_t *sec = caam->sec; + uint32_t mcr = sec_in32(&sec->mcfgr); +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_IMX8M) + uint32_t jrdid_ms = 0; +#endif #ifdef CONFIG_FSL_CORENET uint32_t liodnr; uint32_t liodn_ns; @@ -682,6 +707,11 @@ int sec_init_idx(uint8_t sec_idx) mcr |= (1 << MCFGR_PS_SHIFT); #endif sec_out32(&sec->mcfgr, mcr); +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_IMX8M) + jrdid_ms = JRDID_MS_TZ_OWN | JRDID_MS_PRIM_TZ | JRDID_MS_PRIM_DID; + sec_out32(&sec->jrliodnr[caam->jrid].ms, jrdid_ms); +#endif + jr_reset(); #ifdef CONFIG_FSL_CORENET #ifdef CONFIG_SPL_BUILD @@ -693,20 +723,19 @@ int sec_init_idx(uint8_t sec_idx) liodn_ns = CONFIG_SPL_JR0_LIODN_NS & JRNSLIODN_MASK; liodn_s = CONFIG_SPL_JR0_LIODN_S & JRSLIODN_MASK; - liodnr = sec_in32(&sec->jrliodnr[0].ls) & + liodnr = sec_in32(&sec->jrliodnr[caam->jrid].ls) & ~(JRNSLIODN_MASK | JRSLIODN_MASK); liodnr = liodnr | (liodn_ns << JRNSLIODN_SHIFT) | (liodn_s << JRSLIODN_SHIFT); - sec_out32(&sec->jrliodnr[0].ls, liodnr); + sec_out32(&sec->jrliodnr[caam->jrid].ls, liodnr); #else - liodnr = sec_in32(&sec->jrliodnr[0].ls); + liodnr = sec_in32(&sec->jrliodnr[caam->jrid].ls); liodn_ns = (liodnr & JRNSLIODN_MASK) >> JRNSLIODN_SHIFT; liodn_s = (liodnr & JRSLIODN_MASK) >> JRSLIODN_SHIFT; #endif #endif - - ret = jr_init(sec_idx); + ret = jr_init(sec_idx, caam); if (ret < 0) { printf("SEC%u: initialization failed\n", sec_idx); return -1; @@ -719,9 +748,9 @@ int sec_init_idx(uint8_t sec_idx) pamu_enable(); #endif -#ifndef CONFIG_SPL_BUILD - if (get_rng_vid(sec_idx) >= 4) { - if (rng_init(sec_idx) < 0) { + + if (get_rng_vid(caam->sec) >= 4) { + if (rng_init(sec_idx, caam->sec) < 0) { printf("SEC%u: RNG instantiation failed\n", sec_idx); return -1; } @@ -735,7 +764,6 @@ int sec_init_idx(uint8_t sec_idx) printf("SEC%u: RNG instantiated\n", sec_idx); } -#endif return ret; } @@ -743,3 +771,76 @@ int sec_init(void) { return sec_init_idx(0); } + +#if CONFIG_IS_ENABLED(DM) +static int caam_jr_ioctl(struct udevice *dev, unsigned long request, void *buf) +{ + if (request != CAAM_JR_RUN_DESC) + return -ENOSYS; + + return run_descriptor_jr(buf); +} + +static int caam_jr_probe(struct udevice *dev) +{ + struct caam_regs *caam = dev_get_priv(dev); + fdt_addr_t addr; + ofnode node; + unsigned int jr_node = 0; + + caam_dev = dev; + + addr = dev_read_addr(dev); + if (addr == FDT_ADDR_T_NONE) { + printf("caam_jr: crypto not found\n"); + return -EINVAL; + } + caam->sec = (ccsr_sec_t *)(uintptr_t)addr; + caam->regs = (struct jr_regs *)caam->sec; + + /* Check for enabled job ring node */ + ofnode_for_each_subnode(node, dev_ofnode(dev)) { + if (!ofnode_is_available(node)) + continue; + + jr_node = ofnode_read_u32_default(node, "reg", -1); + if (jr_node > 0) { + caam->regs = (struct jr_regs *)((ulong)caam->sec + jr_node); + while (!(jr_node & 0x0F)) + jr_node = jr_node >> 4; + + caam->jrid = jr_node - 1; + break; + } + } + + if (sec_init()) + printf("\nsec_init failed!\n"); + + return 0; +} + +static int caam_jr_bind(struct udevice *dev) +{ + return 0; +} + +static const struct misc_ops caam_jr_ops = { + .ioctl = caam_jr_ioctl, +}; + +static const struct udevice_id caam_jr_match[] = { + { .compatible = "fsl,sec-v4.0" }, + { } +}; + +U_BOOT_DRIVER(caam_jr) = { + .name = "caam_jr", + .id = UCLASS_MISC, + .of_match = caam_jr_match, + .ops = &caam_jr_ops, + .bind = caam_jr_bind, + .probe = caam_jr_probe, + .priv_auto = sizeof(struct caam_regs), +}; +#endif diff --git a/drivers/crypto/fsl/jr.h b/drivers/crypto/fsl/jr.h index 1047aa772c4..3eb7be79da4 100644 --- a/drivers/crypto/fsl/jr.h +++ b/drivers/crypto/fsl/jr.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2008-2014 Freescale Semiconductor, Inc. + * Copyright 2021 NXP * */ @@ -8,7 +9,9 @@ #define __JR_H #include +#include "fsl_sec.h" #include "type.h" +#include #define JR_SIZE 4 /* Timeout currently defined as 10 sec */ @@ -35,12 +38,21 @@ #define JRSLIODN_SHIFT 0 #define JRSLIODN_MASK 0x00000fff -#define JQ_DEQ_ERR -1 -#define JQ_DEQ_TO_ERR -2 -#define JQ_ENQ_ERR -3 +#define JRDID_MS_PRIM_DID BIT(0) +#define JRDID_MS_PRIM_TZ BIT(4) +#define JRDID_MS_TZ_OWN BIT(15) + +#define JQ_DEQ_ERR (-1) +#define JQ_DEQ_TO_ERR (-2) +#define JQ_ENQ_ERR (-3) #define RNG4_MAX_HANDLES 2 +enum { + /* Run caam jobring descriptor(in buf) */ + CAAM_JR_RUN_DESC, +}; + struct op_ring { caam_dma_addr_t desc; uint32_t status; @@ -102,6 +114,19 @@ struct result { uint32_t status; }; +/* + * struct caam_regs - CAAM initialization register interface + * + * Interface to caam memory map, jobring register, jobring storage. + */ +struct caam_regs { + ccsr_sec_t *sec; /*caam initialization registers*/ + struct jr_regs *regs; /*jobring configuration registers*/ + u8 jrid; /*id to identify a jobring*/ + /*Private sub-storage for a single JobR*/ + struct jobring jr[CONFIG_SYS_FSL_MAX_NUM_OF_SEC]; +}; + void caam_jr_strstatus(u32 status); int run_descriptor_jr(uint32_t *desc); -- cgit v1.3.1 From cb5d0419f5517c507685577dca41c9085b7d77c4 Mon Sep 17 00:00:00 2001 From: Gaurav Jain Date: Thu, 24 Mar 2022 11:50:33 +0530 Subject: crypto/fsl: i.MX8: Enable Job ring driver model. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit i.MX8(QM/QXP) - added support for JR driver model. sec is initialized based on job ring information processed from device tree. Signed-off-by: Gaurav Jain Signed-off-by: Horia Geantă Reviewed-by: Ye Li --- arch/arm/Kconfig | 3 ++ arch/arm/include/asm/arch-imx8/imx-regs.h | 5 +++- arch/arm/mach-imx/cmd_dek.c | 1 + arch/arm/mach-imx/imx8/Kconfig | 7 +++++ arch/arm/mach-imx/imx8/cpu.c | 18 +++++++++++- board/freescale/imx8qm_mek/spl.c | 6 ++-- board/freescale/imx8qxp_mek/spl.c | 6 ++-- drivers/crypto/fsl/Kconfig | 2 +- drivers/crypto/fsl/jr.c | 47 +++++++++++++++++++++++++++++-- include/fsl_sec.h | 12 ++++---- 10 files changed, 91 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 79b80467f7f..efe33a58e1e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -853,6 +853,9 @@ config ARCH_LPC32XX config ARCH_IMX8 bool "NXP i.MX8 platform" select ARM64 + select SYS_FSL_HAS_SEC + select SYS_FSL_SEC_COMPAT_4 + select SYS_FSL_SEC_LE select DM select GPIO_EXTRA_HEADER select MACH_IMX diff --git a/arch/arm/include/asm/arch-imx8/imx-regs.h b/arch/arm/include/asm/arch-imx8/imx-regs.h index ed6e05e5569..2d64b0604b9 100644 --- a/arch/arm/include/asm/arch-imx8/imx-regs.h +++ b/arch/arm/include/asm/arch-imx8/imx-regs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP */ #ifndef __ASM_ARCH_IMX8_REGS_H__ @@ -47,4 +47,7 @@ #define USB_BASE_ADDR 0x5b0d0000 #define USB_PHY0_BASE_ADDR 0x5b100000 +#define CONFIG_SYS_FSL_SEC_ADDR (0x31400000) +#define CONFIG_SYS_FSL_MAX_NUM_OF_SEC 1 + #endif /* __ASM_ARCH_IMX8_REGS_H__ */ diff --git a/arch/arm/mach-imx/cmd_dek.c b/arch/arm/mach-imx/cmd_dek.c index 89da89c51d5..04c4b20a84b 100644 --- a/arch/arm/mach-imx/cmd_dek.c +++ b/arch/arm/mach-imx/cmd_dek.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig index b43739e5c64..f969833baba 100644 --- a/arch/arm/mach-imx/imx8/Kconfig +++ b/arch/arm/mach-imx/imx8/Kconfig @@ -8,6 +8,7 @@ config AHAB_BOOT config IMX8 bool + select HAS_CAAM config MU_BASE_SPL hex "MU base address used in SPL" @@ -72,6 +73,9 @@ config TARGET_IMX8QM_MEK bool "Support i.MX8QM MEK board" select BOARD_LATE_INIT select IMX8QM + select FSL_CAAM + select ARCH_MISC_INIT + select SPL_CRYPTO if SPL config TARGET_CONGA_QMX8 bool "Support congatec conga-QMX8 board" @@ -89,6 +93,9 @@ config TARGET_IMX8QXP_MEK bool "Support i.MX8QXP MEK board" select BOARD_LATE_INIT select IMX8QXP + select FSL_CAAM + select ARCH_MISC_INIT + select SPL_CRYPTO if SPL endchoice diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 359f8c796eb..0858ea5f057 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP */ #include @@ -91,6 +91,22 @@ static int imx8_init_mu(void *ctx, struct event *event) } EVENT_SPY(EVT_DM_POST_INIT, imx8_init_mu); +#if defined(CONFIG_ARCH_MISC_INIT) +int arch_misc_init(void) +{ + if (IS_ENABLED(CONFIG_FSL_CAAM)) { + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(caam_jr), &dev); + if (ret) + printf("Failed to initialize %s: %d\n", dev->name, ret); + } + + return 0; +} +#endif + int print_bootinfo(void) { enum boot_device bt_dev = get_boot_device(); diff --git a/board/freescale/imx8qm_mek/spl.c b/board/freescale/imx8qm_mek/spl.c index 944ba745c09..332a662dee8 100644 --- a/board/freescale/imx8qm_mek/spl.c +++ b/board/freescale/imx8qm_mek/spl.c @@ -1,7 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP * - * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -24,6 +24,8 @@ void spl_board_init(void) { struct udevice *dev; + uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(imx8_scu), &dev); + uclass_find_first_device(UCLASS_MISC, &dev); for (; dev; uclass_find_next_device(&dev)) { diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c index ae6b64ff6ea..2fa68400561 100644 --- a/board/freescale/imx8qxp_mek/spl.c +++ b/board/freescale/imx8qxp_mek/spl.c @@ -1,7 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP * - * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -39,6 +39,8 @@ void spl_board_init(void) { struct udevice *dev; + uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(imx8_scu), &dev); + uclass_find_first_device(UCLASS_MISC, &dev); for (; dev; uclass_find_next_device(&dev)) { diff --git a/drivers/crypto/fsl/Kconfig b/drivers/crypto/fsl/Kconfig index 231eb00b5fe..e03fcdd9c7e 100644 --- a/drivers/crypto/fsl/Kconfig +++ b/drivers/crypto/fsl/Kconfig @@ -12,7 +12,7 @@ config FSL_CAAM config CAAM_64BIT bool - default y if PHYS_64BIT && !ARCH_IMX8M + default y if PHYS_64BIT && !ARCH_IMX8M && !ARCH_IMX8 help Select Crypto driver for 64 bits CAAM version diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index 81039874252..1d951cf0a64 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "jr.h" #include "jobdesc.h" #include "desc_constr.h" @@ -113,7 +114,9 @@ static void jr_initregs(uint8_t sec_idx, struct caam_regs *caam) static int jr_init(uint8_t sec_idx, struct caam_regs *caam) { struct jobring *jr = &caam->jr[sec_idx]; - +#if CONFIG_IS_ENABLED(OF_CONTROL) + ofnode scu_node = ofnode_by_compatible(ofnode_null(), "fsl,imx8-mu"); +#endif memset(jr, 0, sizeof(struct jobring)); jr->jq_id = caam->jrid; @@ -138,7 +141,11 @@ static int jr_init(uint8_t sec_idx, struct caam_regs *caam) memset(jr->input_ring, 0, JR_SIZE * sizeof(caam_dma_addr_t)); memset(jr->output_ring, 0, jr->op_size); +#if CONFIG_IS_ENABLED(OF_CONTROL) + if (!ofnode_valid(scu_node)) +#endif start_jr(caam); + jr_initregs(sec_idx, caam); return 0; @@ -673,6 +680,13 @@ int sec_init_idx(uint8_t sec_idx) caam_st.jrid = 0; caam = &caam_st; #endif +#if CONFIG_IS_ENABLED(OF_CONTROL) + ofnode scu_node = ofnode_by_compatible(ofnode_null(), "fsl,imx8-mu"); + + if (ofnode_valid(scu_node)) + goto init; +#endif + ccsr_sec_t *sec = caam->sec; uint32_t mcr = sec_in32(&sec->mcfgr); #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_IMX8M) @@ -734,12 +748,19 @@ int sec_init_idx(uint8_t sec_idx) liodn_ns = (liodnr & JRNSLIODN_MASK) >> JRNSLIODN_SHIFT; liodn_s = (liodnr & JRSLIODN_MASK) >> JRSLIODN_SHIFT; #endif +#endif +#if CONFIG_IS_ENABLED(OF_CONTROL) +init: #endif ret = jr_init(sec_idx, caam); if (ret < 0) { printf("SEC%u: initialization failed\n", sec_idx); return -1; } +#if CONFIG_IS_ENABLED(OF_CONTROL) + if (ofnode_valid(scu_node)) + return ret; +#endif #ifdef CONFIG_FSL_CORENET ret = sec_config_pamu_table(liodn_ns, liodn_s); @@ -773,6 +794,23 @@ int sec_init(void) } #if CONFIG_IS_ENABLED(DM) +static int jr_power_on(ofnode node) +{ +#if CONFIG_IS_ENABLED(POWER_DOMAIN) + struct udevice __maybe_unused jr_dev; + struct power_domain pd; + + dev_set_ofnode(&jr_dev, node); + + /* Power on Job Ring before access it */ + if (!power_domain_get(&jr_dev, &pd)) { + if (power_domain_on(&pd)) + return -EINVAL; + } +#endif + return 0; +} + static int caam_jr_ioctl(struct udevice *dev, unsigned long request, void *buf) { if (request != CAAM_JR_RUN_DESC) @@ -785,7 +823,7 @@ static int caam_jr_probe(struct udevice *dev) { struct caam_regs *caam = dev_get_priv(dev); fdt_addr_t addr; - ofnode node; + ofnode node, scu_node; unsigned int jr_node = 0; caam_dev = dev; @@ -810,6 +848,11 @@ static int caam_jr_probe(struct udevice *dev) jr_node = jr_node >> 4; caam->jrid = jr_node - 1; + scu_node = ofnode_by_compatible(ofnode_null(), "fsl,imx8-mu"); + if (ofnode_valid(scu_node)) { + if (jr_power_on(node)) + return -EINVAL; + } break; } } diff --git a/include/fsl_sec.h b/include/fsl_sec.h index c4121696f82..7b6e3e2c20d 100644 --- a/include/fsl_sec.h +++ b/include/fsl_sec.h @@ -3,7 +3,7 @@ * Common internal memory map for some Freescale SoCs * * Copyright 2014 Freescale Semiconductor, Inc. - * Copyright 2018 NXP + * Copyright 2018, 2021 NXP */ #ifndef __FSL_SEC_H @@ -194,12 +194,10 @@ typedef struct ccsr_sec { #define SEC_CHAVID_LS_RNG_SHIFT 16 #define SEC_CHAVID_RNG_LS_MASK 0x000f0000 -#define CONFIG_JRSTARTR_JR0 0x00000001 - struct jr_regs { #if defined(CONFIG_SYS_FSL_SEC_LE) && \ !(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \ - defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M)) + defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)) u32 irba_l; u32 irba_h; #else @@ -214,7 +212,7 @@ struct jr_regs { u32 irja; #if defined(CONFIG_SYS_FSL_SEC_LE) && \ !(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \ - defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M)) + defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)) u32 orba_l; u32 orba_h; #else @@ -248,7 +246,7 @@ struct jr_regs { struct sg_entry { #if defined(CONFIG_SYS_FSL_SEC_LE) && \ !(defined(CONFIG_MX6) || defined(CONFIG_MX7) || \ - defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M)) + defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)) uint32_t addr_lo; /* Memory Address - lo */ uint32_t addr_hi; /* Memory Address of start of buffer - hi */ #else @@ -268,7 +266,7 @@ struct sg_entry { }; #if defined(CONFIG_MX6) || defined(CONFIG_MX7) || \ - defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) + defined(CONFIG_MX7ULP) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8) /* Job Ring Base Address */ #define JR_BASE_ADDR(x) (CONFIG_SYS_FSL_SEC_ADDR + 0x1000 * (x + 1)) /* Secure Memory Offset varies accross versions */ -- cgit v1.3.1 From 9eb5e7d9ab8d63337f443f8c13fb9e26ae2f0266 Mon Sep 17 00:00:00 2001 From: Angus Ainslie Date: Mon, 17 Jan 2022 06:18:46 -0800 Subject: pinctrl: nxp: don't automatically select DEVRES If we select DEVRES here then it breaks building an imx8m SPL without DEVRES support. Signed-off-by: Angus Ainslie --- drivers/pinctrl/nxp/Kconfig | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig index 4fb0916a376..3657e9deb9e 100644 --- a/drivers/pinctrl/nxp/Kconfig +++ b/drivers/pinctrl/nxp/Kconfig @@ -92,7 +92,6 @@ config PINCTRL_IMX8 config PINCTRL_IMX8M bool "IMX8M pinctrl driver" depends on ARCH_IMX8M && PINCTRL_FULL - select DEVRES select PINCTRL_IMX help Say Y here to enable the imx8m pinctrl driver -- cgit v1.3.1 From 3fa3f23d1b09ccf0d4b2ffe21a5f43707fce52f3 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 26 Feb 2022 04:36:37 +0100 Subject: ARM: dts: net: dwc_eth_qos: Fix i.MX8MP compatible string The correct compatible string for i.MX8MP variant of DWC EQoS MAC is "nxp,imx8mp-dwmac-eqos", use it. Drop the two current users of the current wrong compatible string to avoid breaking them. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Marcel Ziswiler Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Fabio Estevam Tested-by: Marcel Ziswiler Reviewed-by: Ramon Fried --- arch/arm/dts/imx8mp-evk-u-boot.dtsi | 1 - arch/arm/dts/imx8mp-verdin-u-boot.dtsi | 1 - drivers/net/dwc_eth_qos.c | 2 +- 3 files changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/arch/arm/dts/imx8mp-evk-u-boot.dtsi b/arch/arm/dts/imx8mp-evk-u-boot.dtsi index 52f473dc52b..7aa908304aa 100644 --- a/arch/arm/dts/imx8mp-evk-u-boot.dtsi +++ b/arch/arm/dts/imx8mp-evk-u-boot.dtsi @@ -128,7 +128,6 @@ }; &eqos { - compatible = "fsl,imx-eqos"; /delete-property/ assigned-clocks; /delete-property/ assigned-clock-parents; /delete-property/ assigned-clock-rates; diff --git a/arch/arm/dts/imx8mp-verdin-u-boot.dtsi b/arch/arm/dts/imx8mp-verdin-u-boot.dtsi index a57ad45ed63..26140a79ebe 100644 --- a/arch/arm/dts/imx8mp-verdin-u-boot.dtsi +++ b/arch/arm/dts/imx8mp-verdin-u-boot.dtsi @@ -30,7 +30,6 @@ }; &eqos { - compatible = "fsl,imx-eqos"; /delete-property/ assigned-clocks; /delete-property/ assigned-clock-parents; /delete-property/ assigned-clock-rates; diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 22dad5b2030..ea0c2cfa5b2 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -2032,7 +2032,7 @@ static const struct udevice_id eqos_ids[] = { #endif #if IS_ENABLED(CONFIG_DWC_ETH_QOS_IMX) { - .compatible = "fsl,imx-eqos", + .compatible = "nxp,imx8mp-dwmac-eqos", .data = (ulong)&eqos_imx_config }, #endif -- cgit v1.3.1 From a0044538c8c7c1d4cd46f178335e4f37bec307bf Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 26 Feb 2022 04:37:08 +0100 Subject: pmic: pca9450: Add PCA9450C compatible string Add DT compatible string for PCA9450C PMIC. This is a variant of the PCA9450 PMIC with 6 A dual-phase buck regulator and 3 A buck regulator, and is software-wise compatible with the PCA9450B. This variant of the PCA9450 is designed for use as companion PMIC for i.MX8MP. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Fabio Estevam Reviewed-by: Jaehoon Chung --- drivers/power/pmic/pca9450.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/power/pmic/pca9450.c b/drivers/power/pmic/pca9450.c index a886647f193..2394b196c56 100644 --- a/drivers/power/pmic/pca9450.c +++ b/drivers/power/pmic/pca9450.c @@ -83,6 +83,7 @@ static struct dm_pmic_ops pca9450_ops = { static const struct udevice_id pca9450_ids[] = { { .compatible = "nxp,pca9450a", .data = 0x25, }, { .compatible = "nxp,pca9450b", .data = 0x25, }, + { .compatible = "nxp,pca9450c", .data = 0x25, }, { } }; -- cgit v1.3.1 From b8a24e07b2bc8648277cb0ca8f6fb814e1e5fdb4 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 26 Feb 2022 04:37:42 +0100 Subject: imx8m: ddrphy_utils: Add 3732 MT/s mode Add entry for 3732 MT/s mode of operation of the LPDDR4, in which case the DDR PLL has to be configured in 933 MHz mode. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Fabio Estevam --- drivers/ddr/imx/imx8m/ddrphy_utils.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/ddr/imx/imx8m/ddrphy_utils.c b/drivers/ddr/imx/imx8m/ddrphy_utils.c index 0f8baefb1f8..a54449e5f14 100644 --- a/drivers/ddr/imx/imx8m/ddrphy_utils.c +++ b/drivers/ddr/imx/imx8m/ddrphy_utils.c @@ -117,6 +117,10 @@ void ddrphy_init_set_dfi_clk(unsigned int drate) dram_pll_init(MHZ(1000)); dram_disable_bypass(); break; + case 3732: + dram_pll_init(MHZ(933)); + dram_disable_bypass(); + break; case 3200: dram_pll_init(MHZ(800)); dram_disable_bypass(); -- cgit v1.3.1 From 8479b9e6c9db6dc0971283c35d59ab07b289be52 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Mon, 7 Mar 2022 16:24:04 -0800 Subject: drivers: misc: add Gateworks System Controller driver Add a driver for the Gateworks System Controller used on Gateworks boards which provides a boot watchdog, power control, temperature monitor, and voltage ADCs. Signed-off-by: Tim Harvey --- MAINTAINERS | 6 + drivers/misc/Kconfig | 8 + drivers/misc/Makefile | 1 + drivers/misc/gsc.c | 633 ++++++++++++++++++++++++++++++++++++++++++++++++++ include/gsc.h | 21 ++ 5 files changed, 669 insertions(+) create mode 100644 drivers/misc/gsc.c create mode 100644 include/gsc.h (limited to 'drivers') diff --git a/MAINTAINERS b/MAINTAINERS index cf060da4f20..bde298c0489 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -882,6 +882,12 @@ T: git https://source.denx.de/u-boot/custodians/u-boot-fsl-qoriq.git F: drivers/watchdog/sp805_wdt.c F: drivers/watchdog/sbsa_gwdt.c +GATEWORKS_SC +M: Tim Harvey +S: Maintained +F: drivers/misc/gsc.c +F: include/gsc.h + I2C M: Heiko Schocher S: Maintained diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 7029bb7b5c5..10fd601278e 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -46,6 +46,14 @@ config ATSHA204A CryptoAuthentication module found for example on the Turris Omnia board. +config GATEWORKS_SC + bool "Gateworks System Controller Support" + depends on MISC + help + Enable access for the Gateworks System Controller used on Gateworks + boards to provide a boot watchdog, power control, temperature monitor, + voltage ADCs, and EEPROM. + config ROCKCHIP_EFUSE bool "Rockchip e-fuse support" depends on MISC diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index f22eff601a1..6150d01e884 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_FSL_IIM) += fsl_iim.o obj-$(CONFIG_FSL_MC9SDZ60) += mc9sdz60.o obj-$(CONFIG_FSL_SEC_MON) += fsl_sec_mon.o obj-$(CONFIG_$(SPL_)FS_LOADER) += fs_loader.o +obj-$(CONFIG_GATEWORKS_SC) += gsc.o obj-$(CONFIG_GDSYS_IOEP) += gdsys_ioep.o obj-$(CONFIG_GDSYS_RXAUI_CTRL) += gdsys_rxaui_ctrl.o obj-$(CONFIG_GDSYS_SOC) += gdsys_soc.o diff --git a/drivers/misc/gsc.c b/drivers/misc/gsc.c new file mode 100644 index 00000000000..ec24ca807b0 --- /dev/null +++ b/drivers/misc/gsc.c @@ -0,0 +1,633 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2022 Gateworks Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define GSC_BUSNO 0 +#define GSC_SC_ADDR 0x20 +#define GSC_HWMON_ADDR 0x29 +#define GSC_RTC_ADDR 0x68 + +/* System Controller registers */ +enum { + GSC_SC_CTRL0 = 0, + GSC_SC_CTRL1 = 1, + GSC_SC_TIME = 2, + GSC_SC_TIME_ADD = 6, + GSC_SC_STATUS = 10, + GSC_SC_FWCRC = 12, + GSC_SC_FWVER = 14, + GSC_SC_WP = 15, + GSC_SC_RST_CAUSE = 16, + GSC_SC_THERM_PROTECT = 19, +}; + +/* System Controller Control1 bits */ +enum { + GSC_SC_CTRL1_SLEEP_EN = 0, /* 1 = enable sleep */ + GSC_SC_CTRL1_SLEEP_ACTIVATE = 1, /* 1 = activate sleep */ + GSC_SC_CTRL1_SLEEP_ADD = 2, /* 1 = latch and add sleep time */ + GSC_SC_CTRL1_SLEEP_NOWAKEPB = 3, /* 1 = do not wake on sleep on button press */ + GSC_SC_CTRL1_WDTIME = 4, /* 1 = 60s timeout, 0 = 30s timeout */ + GSC_SC_CTRL1_WDEN = 5, /* 1 = enable, 0 = disable */ + GSC_SC_CTRL1_BOOT_CHK = 6, /* 1 = enable alt boot check */ + GSC_SC_CTRL1_WDDIS = 7, /* 1 = disable boot watchdog */ +}; + +/* System Controller Interrupt bits */ +enum { + GSC_SC_IRQ_PB = 0, /* Pushbutton switch */ + GSC_SC_IRQ_SECURE = 1, /* Secure Key erase operation complete */ + GSC_SC_IRQ_EEPROM_WP = 2, /* EEPROM write violation */ + GSC_SC_IRQ_GPIO = 4, /* GPIO change */ + GSC_SC_IRQ_TAMPER = 5, /* Tamper detect */ + GSC_SC_IRQ_WATCHDOG = 6, /* Watchdog trip */ + GSC_SC_IRQ_PBLONG = 7, /* Pushbutton long hold */ +}; + +/* System Controller WP bits */ +enum { + GSC_SC_WP_ALL = 0, /* Write Protect All EEPROM regions */ + GSC_SC_WP_BOARDINFO = 1, /* Write Protect Board Info region */ +}; + +/* System Controller Reset Cause */ +enum { + GSC_SC_RST_CAUSE_VIN = 0, + GSC_SC_RST_CAUSE_PB = 1, + GSC_SC_RST_CAUSE_WDT = 2, + GSC_SC_RST_CAUSE_CPU = 3, + GSC_SC_RST_CAUSE_TEMP_LOCAL = 4, + GSC_SC_RST_CAUSE_TEMP_REMOTE = 5, + GSC_SC_RST_CAUSE_SLEEP = 6, + GSC_SC_RST_CAUSE_BOOT_WDT = 7, + GSC_SC_RST_CAUSE_BOOT_WDT_MAN = 8, + GSC_SC_RST_CAUSE_SOFT_PWR = 9, + GSC_SC_RST_CAUSE_MAX = 10, +}; + +#if (IS_ENABLED(CONFIG_DM_I2C)) + +struct gsc_priv { + int gscver; + int fwver; + int fwcrc; + struct udevice *hwmon; + struct udevice *rtc; +}; + +/* + * GSCv2 will fail to ACK an I2C transaction if it is busy, which can occur + * during its 1HZ timer tick while reading ADC's. When this does occur, + * it will never be busy longer than 2 back-to-back transfers so retry 3 times. + */ +static int gsc_i2c_read(struct udevice *dev, uint addr, u8 *buf, int len) +{ + struct gsc_priv *priv = dev_get_priv(dev); + int retry = (priv->gscver == 3) ? 1 : 3; + int n = 0; + int ret; + + while (n++ < retry) { + ret = dm_i2c_read(dev, addr, buf, len); + if (!ret) + break; + if (ret != -EREMOTEIO) + break; + mdelay(10); + } + return ret; +} + +static int gsc_i2c_write(struct udevice *dev, uint addr, const u8 *buf, int len) +{ + struct gsc_priv *priv = dev_get_priv(dev); + int retry = (priv->gscver == 3) ? 1 : 3; + int n = 0; + int ret; + + while (n++ < retry) { + ret = dm_i2c_write(dev, addr, buf, len); + if (!ret) + break; + if (ret != -EREMOTEIO) + break; + mdelay(10); + } + return ret; +} + +static struct udevice *gsc_get_dev(int busno, int slave) +{ + struct udevice *dev, *bus; + int ret; + + ret = uclass_get_device_by_seq(UCLASS_I2C, busno, &bus); + if (ret) + return NULL; + ret = dm_i2c_probe(bus, slave, 0, &dev); + if (ret) + return NULL; + + return dev; +} + +static int gsc_thermal_get_info(struct udevice *dev, u8 *outreg, int *tmax, bool *enable) +{ + struct gsc_priv *priv = dev_get_priv(dev); + int ret; + u8 reg; + + if (priv->gscver > 2 && priv->fwver > 52) { + ret = gsc_i2c_read(dev, GSC_SC_THERM_PROTECT, ®, 1); + if (!ret) { + if (outreg) + *outreg = reg; + if (tmax) { + *tmax = ((reg & 0xf8) >> 3) * 2; + if (*tmax) + *tmax += 70; + else + *tmax = 120; + } + if (enable) + *enable = reg & 1; + } + } else { + ret = -ENODEV; + } + + return ret; +} + +static int gsc_thermal_get_temp(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + u32 reg, mode, val; + const char *label; + ofnode node; + u8 buf[2]; + + ofnode_for_each_subnode(node, dev_read_subnode(dev, "adc")) { + if (ofnode_read_u32(node, "reg", ®)) + reg = -1; + if (ofnode_read_u32(node, "gw,mode", &mode)) + mode = -1; + label = ofnode_read_string(node, "label"); + + if ((reg == -1) || (mode == -1) || !label) + continue; + + if (mode != 0 || strcmp(label, "temp")) + continue; + + memset(buf, 0, sizeof(buf)); + if (!gsc_i2c_read(priv->hwmon, reg, buf, sizeof(buf))) { + val = buf[0] | buf[1] << 8; + if (val > 0x8000) + val -= 0xffff; + return val; + } + } + + return 0; +} + +static void gsc_thermal_info(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + + switch (priv->gscver) { + case 2: + printf("board_temp:%dC ", gsc_thermal_get_temp(dev) / 10); + break; + case 3: + if (priv->fwver > 52) { + bool enabled; + int tmax; + + if (!gsc_thermal_get_info(dev, NULL, &tmax, &enabled)) { + puts("Thermal protection:"); + if (enabled) + printf("enabled at %dC ", tmax); + else + puts("disabled "); + } + } + break; + } +} + +static void gsc_reset_info(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + static const char * const names[] = { + "VIN", + "PB", + "WDT", + "CPU", + "TEMP_L", + "TEMP_R", + "SLEEP", + "BOOT_WDT1", + "BOOT_WDT2", + "SOFT_PWR", + }; + u8 reg; + + /* reset cause */ + switch (priv->gscver) { + case 2: + if (!gsc_i2c_read(dev, GSC_SC_STATUS, ®, 1)) { + if (reg & BIT(GSC_SC_IRQ_WATCHDOG)) { + puts("RST:WDT"); + reg &= ~BIT(GSC_SC_IRQ_WATCHDOG); + gsc_i2c_write(dev, GSC_SC_STATUS, ®, 1); + } else { + puts("RST:VIN"); + } + printf(" WDT:%sabled ", + (reg & BIT(GSC_SC_CTRL1_WDEN)) ? "en" : "dis"); + } + break; + case 3: + if (priv->fwver > 52 && + !gsc_i2c_read(dev, GSC_SC_RST_CAUSE, ®, 1)) { + puts("RST:"); + if (reg < ARRAY_SIZE(names)) + printf("%s ", names[reg]); + else + printf("0x%02x ", reg); + } + break; + } +} + +/* display hardware monitor ADC channels */ +static int gsc_hwmon(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + u32 reg, mode, val, offset; + const char *label; + ofnode node; + u8 buf[2]; + u32 r[2]; + int ret; + + /* iterate over hwmon nodes */ + ofnode_for_each_subnode(node, dev_read_subnode(dev, "adc")) { + if (ofnode_read_u32(node, "reg", ®)) + reg = -1; + if (ofnode_read_u32(node, "gw,mode", &mode)) + mode = -1; + label = ofnode_read_string(node, "label"); + if ((reg == -1) || (mode == -1) || !label) + continue; + + memset(buf, 0, sizeof(buf)); + ret = gsc_i2c_read(priv->hwmon, reg, buf, sizeof(buf)); + if (ret) { + printf("i2c error: %d\n", ret); + continue; + } + val = buf[0] | buf[1] << 8; + + switch (mode) { + case 0: /* temperature (C*10) */ + if (val > 0x8000) + val -= 0xffff; + printf("%-8s: %d.%ldC\n", label, val / 10, abs(val % 10)); + break; + case 1: /* prescaled voltage */ + if (val != 0xffff) + printf("%-8s: %d.%03dV\n", label, val / 1000, val % 1000); + break; + case 2: /* scaled based on ref volt and resolution */ + val *= 2500; + val /= 1 << 12; + + /* apply pre-scaler voltage divider */ + if (!ofnode_read_u32_index(node, "gw,voltage-divider-ohms", 0, &r[0]) && + !ofnode_read_u32_index(node, "gw,voltage-divider-ohms", 1, &r[1]) && + r[0] && r[1]) { + val *= (r[0] + r[1]); + val /= r[1]; + } + + /* adjust by offset */ + val += (offset / 1000); + + printf("%-8s: %d.%03dV\n", label, val / 1000, val % 1000); + break; + } + } + + return 0; +} + +static int gsc_banner(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + + /* banner */ + printf("GSCv%d : v%d 0x%04x ", priv->gscver, priv->fwver, priv->fwcrc); + gsc_reset_info(dev); + gsc_thermal_info(dev); + puts("\n"); + + /* Display RTC */ + if (priv->rtc) { + u8 buf[4]; + time_t timestamp; + struct rtc_time tm; + + if (!gsc_i2c_read(priv->rtc, 0, buf, 4)) { + timestamp = get_unaligned_le32(buf); + rtc_to_tm(timestamp, &tm); + printf("RTC : %4d-%02d-%02d %2d:%02d:%02d UTC\n", + tm.tm_year, tm.tm_mon, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec); + } + } + + return 0; +} + +static int gsc_probe(struct udevice *dev) +{ + struct gsc_priv *priv = dev_get_priv(dev); + u8 buf[32]; + int ret; + + ret = gsc_i2c_read(dev, 0, buf, sizeof(buf)); + if (ret) + return ret; + + /* + * GSC chip version: + * GSCv2 has 16 registers (which overlap) + * GSCv3 has 32 registers + */ + priv->gscver = memcmp(buf, buf + 16, 16) ? 3 : 2; + priv->fwver = buf[GSC_SC_FWVER]; + priv->fwcrc = buf[GSC_SC_FWCRC] | buf[GSC_SC_FWCRC + 1] << 8; + priv->hwmon = gsc_get_dev(GSC_BUSNO, GSC_HWMON_ADDR); + if (priv->hwmon) + dev_set_priv(priv->hwmon, priv); + priv->rtc = gsc_get_dev(GSC_BUSNO, GSC_RTC_ADDR); + if (priv->rtc) + dev_set_priv(priv->rtc, priv); + +#ifdef CONFIG_SPL_BUILD + gsc_banner(dev); +#endif + + return 0; +}; + +static const struct udevice_id gsc_ids[] = { + { .compatible = "gw,gsc", }, + { } +}; + +U_BOOT_DRIVER(gsc) = { + .name = "gsc", + .id = UCLASS_MISC, + .of_match = gsc_ids, + .probe = gsc_probe, + .priv_auto = sizeof(struct gsc_priv), + .flags = DM_FLAG_PRE_RELOC, +}; + +static int gsc_sleep(struct udevice *dev, unsigned long secs) +{ + u8 regs[4]; + int ret; + + printf("GSC Sleeping for %ld seconds\n", secs); + put_unaligned_le32(secs, regs); + ret = gsc_i2c_write(dev, GSC_SC_TIME_ADD, regs, sizeof(regs)); + if (ret) + goto err; + ret = gsc_i2c_read(dev, GSC_SC_CTRL1, regs, 1); + if (ret) + goto err; + regs[0] |= BIT(GSC_SC_CTRL1_SLEEP_ADD); + ret = gsc_i2c_write(dev, GSC_SC_CTRL1, regs, 1); + if (ret) + goto err; + regs[0] &= ~BIT(GSC_SC_CTRL1_SLEEP_ADD); + regs[0] |= BIT(GSC_SC_CTRL1_SLEEP_EN) | BIT(GSC_SC_CTRL1_SLEEP_ACTIVATE); + ret = gsc_i2c_write(dev, GSC_SC_CTRL1, regs, 1); + if (ret) + goto err; + + return 0; + +err: + printf("i2c error: %d\n", ret); + return ret; +} + +static int gsc_wd_disable(struct udevice *dev) +{ + int ret; + u8 reg; + + ret = gsc_i2c_read(dev, GSC_SC_CTRL1, ®, 1); + if (ret) + goto err; + reg |= BIT(GSC_SC_CTRL1_WDDIS); + reg &= ~BIT(GSC_SC_CTRL1_BOOT_CHK); + ret = gsc_i2c_write(dev, GSC_SC_CTRL1, ®, 1); + if (ret) + goto err; + puts("GSC : boot watchdog disabled\n"); + + return 0; + +err: + puts("i2c error"); + return ret; +} + +static int gsc_thermal(struct udevice *dev, const char *cmd, const char *val) +{ + struct gsc_priv *priv = dev_get_priv(dev); + int ret, tmax; + bool enabled; + u8 reg; + + if (priv->gscver < 3 || priv->fwver < 53) + return -EINVAL; + ret = gsc_thermal_get_info(dev, ®, &tmax, &enabled); + if (ret) + return ret; + if (cmd && !strcmp(cmd, "enable")) { + if (val && *val) { + tmax = clamp((int)simple_strtoul(val, NULL, 0), 72, 122); + reg &= ~0xf8; + reg |= ((tmax - 70) / 2) << 3; + } + reg |= BIT(0); + gsc_i2c_write(dev, GSC_SC_THERM_PROTECT, ®, 1); + } else if (cmd && !strcmp(cmd, "disable")) { + reg &= ~BIT(0); + gsc_i2c_write(dev, GSC_SC_THERM_PROTECT, ®, 1); + } else if (cmd) { + return -EINVAL; + } + + /* show status */ + gsc_thermal_info(dev); + puts("\n"); + + return 0; +} + +/* override in board files to display additional board EEPROM info */ +__weak void board_gsc_info(void) +{ +} + +static void gsc_info(struct udevice *dev) +{ + gsc_banner(dev); + board_gsc_info(); +} + +static int do_gsc(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) +{ + struct udevice *dev; + int ret; + + /* get/probe driver */ + ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(gsc), &dev); + if (ret) + return CMD_RET_USAGE; + if (argc < 2) { + gsc_info(dev); + return CMD_RET_SUCCESS; + } else if (strcasecmp(argv[1], "sleep") == 0) { + if (argc < 3) + return CMD_RET_USAGE; + if (!gsc_sleep(dev, dectoul(argv[2], NULL))) + return CMD_RET_SUCCESS; + } else if (strcasecmp(argv[1], "hwmon") == 0) { + if (!gsc_hwmon(dev)) + return CMD_RET_SUCCESS; + } else if (strcasecmp(argv[1], "wd-disable") == 0) { + if (!gsc_wd_disable(dev)) + return CMD_RET_SUCCESS; + } else if (strcasecmp(argv[1], "thermal") == 0) { + char *cmd, *val; + + cmd = (argc > 2) ? argv[2] : NULL; + val = (argc > 3) ? argv[3] : NULL; + if (!gsc_thermal(dev, cmd, val)) + return CMD_RET_SUCCESS; + } + + return CMD_RET_USAGE; +} + +U_BOOT_CMD(gsc, 4, 1, do_gsc, "Gateworks System Controller", + "[sleep ]|[hwmon]|[wd-disable][thermal [disable|enable [temp]]]\n"); + +/* disable boot watchdog - useful for an SPL that wants to use falcon mode */ +int gsc_boot_wd_disable(void) +{ + struct udevice *dev; + int ret; + + /* get/probe driver */ + ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(gsc), &dev); + if (!ret) + ret = gsc_wd_disable(dev); + + return ret; +} + +# else + +/* + * GSCv2 will fail to ACK an I2C transaction if it is busy, which can occur + * during its 1HZ timer tick while reading ADC's. When this does occur, + * it will never be busy longer than 2 back-to-back transfers so retry 3 times. + */ +static int gsc_i2c_read(uint chip, uint addr, u8 *buf, int len) +{ + int retry = 3; + int n = 0; + int ret; + + while (n++ < retry) { + ret = i2c_read(chip, addr, 1, buf, len); + if (!ret) + break; + if (ret != -EREMOTEIO) + break; +printf("%s 0x%02x retry %d\n", __func__, addr, n); + mdelay(10); + } + return ret; +} + +static int gsc_i2c_write(uint chip, uint addr, u8 *buf, int len) +{ + int retry = 3; + int n = 0; + int ret; + + while (n++ < retry) { + ret = i2c_write(chip, addr, 1, buf, len); + if (!ret) + break; + if (ret != -EREMOTEIO) + break; +printf("%s 0x%02x retry %d\n", __func__, addr, n); + mdelay(10); + } + return ret; +} + +/* disable boot watchdog - useful for an SPL that wants to use falcon mode */ +int gsc_boot_wd_disable(void) +{ + u8 buf[32]; + int ret; + + i2c_set_bus_num(GSC_BUSNO); + ret = gsc_i2c_read(GSC_SC_ADDR, 0, buf, sizeof(buf)); + if (!ret) { + buf[GSC_SC_CTRL1] |= BIT(GSC_SC_CTRL1_WDDIS); + ret = gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, &buf[GSC_SC_CTRL1], 1); + printf("GSCv%d: v%d 0x%04x ", + memcmp(buf, buf + 16, 16) ? 3 : 2, + buf[GSC_SC_FWVER], + buf[GSC_SC_FWCRC] | buf[GSC_SC_FWCRC + 1] << 8); + if (buf[GSC_SC_STATUS] & BIT(GSC_SC_IRQ_WATCHDOG)) { + puts("RST:WDT "); + buf[GSC_SC_STATUS] &= ~BIT(GSC_SC_IRQ_WATCHDOG); + gsc_i2c_write(GSC_SC_ADDR, GSC_SC_STATUS, &buf[GSC_SC_STATUS], 1); + } else { + puts("RST:VIN "); + } + puts("WDT:disabled\n"); + } + + return ret; +} + +#endif diff --git a/include/gsc.h b/include/gsc.h new file mode 100644 index 00000000000..132c3121825 --- /dev/null +++ b/include/gsc.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2022 Gateworks Corporation + */ + +#ifndef _GSC_H_ +#define _GSC_H_ + +/* + * board_gsc_info - Display additional board info + */ +void board_gsc_info(void); + +/* + * gsc_boot_wd_disable - disable the BOOT watchdog + * + * Return: 0 on success or negative error on failure + */ +int gsc_boot_wd_disable(void); + +#endif -- cgit v1.3.1 From e2d074ceadad5eb48b355ea5a149b3d7819690b9 Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:04 +0100 Subject: clk: imx8mm: add pwm clocks support Add clocks support for the PWM controllers. This is ported from Linux v5.17-rc8. Signed-off-by: Tommaso Merciai --- drivers/clk/imx/clk-imx8mm.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'drivers') diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 443bbdae332..a0115199d9c 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -116,6 +116,18 @@ static const char *imx8mm_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_ static const char *imx8mm_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", }; +static const char *imx8mm_pwm1_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m", + "sys_pll3_out", "clk_ext1", "sys_pll1_80m", "video_pll1_out", }; + +static const char *imx8mm_pwm2_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m", + "sys_pll3_out", "clk_ext1", "sys_pll1_80m", "video_pll1_out", }; + +static const char *imx8mm_pwm3_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m", + "sys_pll3_out", "clk_ext2", "sys_pll1_80m", "video_pll1_out", }; + +static const char *imx8mm_pwm4_sels[] = {"clock-osc-24m", "sys_pll2_100m", "sys_pll1_160m", "sys_pll1_40m", + "sys_pll3_out", "clk_ext2", "sys_pll1_80m", "video_pll1_out", }; + static const char *imx8mm_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out", "sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", }; @@ -305,6 +317,14 @@ static int imx8mm_clk_probe(struct udevice *dev) imx8m_clk_composite("i2c3", imx8mm_i2c3_sels, base + 0xae00)); clk_dm(IMX8MM_CLK_I2C4, imx8m_clk_composite("i2c4", imx8mm_i2c4_sels, base + 0xae80)); + clk_dm(IMX8MM_CLK_PWM1, + imx8m_clk_composite("pwm1", imx8mm_pwm1_sels, base + 0xb380)); + clk_dm(IMX8MM_CLK_PWM2, + imx8m_clk_composite("pwm2", imx8mm_pwm2_sels, base + 0xb400)); + clk_dm(IMX8MM_CLK_PWM3, + imx8m_clk_composite("pwm3", imx8mm_pwm3_sels, base + 0xb480)); + clk_dm(IMX8MM_CLK_PWM4, + imx8m_clk_composite("pwm4", imx8mm_pwm4_sels, base + 0xb500)); clk_dm(IMX8MM_CLK_WDOG, imx8m_clk_composite("wdog", imx8mm_wdog_sels, base + 0xb900)); clk_dm(IMX8MM_CLK_USDHC3, @@ -339,6 +359,14 @@ static int imx8mm_clk_probe(struct udevice *dev) imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0)); clk_dm(IMX8MM_CLK_OCOTP_ROOT, imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0)); + clk_dm(IMX8MM_CLK_PWM1_ROOT, + imx_clk_gate4("pwm1_root_clk", "pwm1", base + 0x4280, 0)); + clk_dm(IMX8MM_CLK_PWM2_ROOT, + imx_clk_gate4("pwm2_root_clk", "pwm2", base + 0x4290, 0)); + clk_dm(IMX8MM_CLK_PWM3_ROOT, + imx_clk_gate4("pwm3_root_clk", "pwm3", base + 0x42a0, 0)); + clk_dm(IMX8MM_CLK_PWM4_ROOT, + imx_clk_gate4("pwm4_root_clk", "pwm4", base + 0x42b0, 0)); clk_dm(IMX8MM_CLK_USDHC1_ROOT, imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0)); clk_dm(IMX8MM_CLK_USDHC2_ROOT, -- cgit v1.3.1 From bfc778cb93a33233fa44006ea283b5aa36ad387d Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:06 +0100 Subject: driver: pwm: pwm-imx: get and enable per/ipg clock using dm Get and enable ipg/per pwms clocks using dm api into imx_pwm_of_to_plat and imx_pwm_probe driver function Signed-off-by: Tommaso Merciai --- drivers/pwm/pwm-imx.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'drivers') diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 2008c1520e6..becd902cc2a 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -25,6 +25,7 @@ int pwm_init(int pwm_id, int div, int invert) writel(0, &pwm->ir); return 0; } +#include int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles, unsigned long duty_cycles, unsigned long prescale) @@ -83,6 +84,8 @@ void pwm_disable(int pwm_id) struct imx_pwm_priv { struct pwm_regs *regs; bool invert; + struct clk per_clk; + struct clk ipg_clk; }; static int imx_pwm_set_invert(struct udevice *dev, uint channel, @@ -128,15 +131,43 @@ static int imx_pwm_set_enable(struct udevice *dev, uint channel, bool enable) static int imx_pwm_of_to_plat(struct udevice *dev) { + int ret; struct imx_pwm_priv *priv = dev_get_priv(dev); priv->regs = dev_read_addr_ptr(dev); + ret = clk_get_by_name(dev, "per", &priv->per_clk); + if (ret) { + printf("Failed to get per_clk\n"); + return ret; + } + + ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk); + if (ret) { + printf("Failed to get ipg_clk\n"); + return ret; + } + return 0; } static int imx_pwm_probe(struct udevice *dev) { + int ret; + struct imx_pwm_priv *priv = dev_get_priv(dev); + + ret = clk_enable(&priv->per_clk); + if (ret) { + printf("Failed to enable per_clk\n"); + return ret; + } + + ret = clk_enable(&priv->ipg_clk); + if (ret) { + printf("Failed to enable ipg_clk\n"); + return ret; + } + return 0; } -- cgit v1.3.1 From 6828b3ecea2ce91eaa9b7636ef50f0439d15464f Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:07 +0100 Subject: driver: pwm: pwm-imx: introduce pwm_dm_imx_get_parms Introduce pwm_dm_imx_get_parms, dm version of pwm_imx_get_parms. This function get clock rate using clk dm api Signed-off-by: Tommaso Merciai --- drivers/pwm/pwm-imx.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index becd902cc2a..ce1290aa7df 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -88,6 +88,36 @@ struct imx_pwm_priv { struct clk ipg_clk; }; +int pwm_dm_imx_get_parms(struct imx_pwm_priv *priv, int period_ns, + int duty_ns, unsigned long *period_c, unsigned long *duty_c, + unsigned long *prescale) +{ + unsigned long long c; + + c = clk_get_rate(&priv->per_clk); + c = c * period_ns; + do_div(c, 1000000000); + *period_c = c; + + *prescale = *period_c / 0x10000 + 1; + + *period_c /= *prescale; + c = *period_c * (unsigned long long)duty_ns; + do_div(c, period_ns); + *duty_c = c; + + /* + * according to imx pwm RM, the real period value should be + * PERIOD value in PWMPR plus 2. + */ + if (*period_c > 2) + *period_c -= 2; + else + *period_c = 0; + + return 0; +} + static int imx_pwm_set_invert(struct udevice *dev, uint channel, bool polarity) { @@ -108,7 +138,7 @@ static int imx_pwm_set_config(struct udevice *dev, uint channel, debug("%s: Config '%s' channel: %d\n", __func__, dev->name, channel); - pwm_imx_get_parms(period_ns, duty_ns, &period_cycles, &duty_cycles, + pwm_dm_imx_get_parms(priv, period_ns, duty_ns, &period_cycles, &duty_cycles, &prescale); return pwm_config_internal(regs, period_cycles, duty_cycles, prescale); -- cgit v1.3.1 From 34793598c83b58b990103f7a6bc906372fe81fa2 Mon Sep 17 00:00:00 2001 From: Ye Li Date: Mon, 28 Mar 2022 17:14:07 +0800 Subject: mtd: nand: mxs_nand_spl: Remove the page aligned access The mxs_nand_spl driver can support to read from page unaligned offset, so don't need to set bl_len to ask spl_load_simple_fit to handle the page unaligned access. Actually spl_load_simple_fit has two parts of reading: spl_simple_fit_read and spl_load_fit_image. The spl_load_fit_image can handle the page unaligned offset, but the spl_simple_fit_read can't do it. spl_simple_fit_read requires the FIT location at page aligned offset. Hence, remove the nand_get_mtd overwrite function from mxs_nand_spl to use page unaligned read by driver. Signed-off-by: Ye Li Tested-by: Tim Harvey #gw_ventana --- drivers/mtd/nand/raw/mxs_nand_spl.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/mtd/nand/raw/mxs_nand_spl.c b/drivers/mtd/nand/raw/mxs_nand_spl.c index 9e0b8afb522..59a67ee4145 100644 --- a/drivers/mtd/nand/raw/mxs_nand_spl.c +++ b/drivers/mtd/nand/raw/mxs_nand_spl.c @@ -283,11 +283,6 @@ int nand_spl_load_image(uint32_t offs, unsigned int size, void *buf) return 0; } -struct mtd_info *nand_get_mtd(void) -{ - return mtd; -} - int nand_default_bbt(struct mtd_info *mtd) { return 0; -- cgit v1.3.1 From 11c8ab01f3ed0b97c3a07b7de0e95793a002bef5 Mon Sep 17 00:00:00 2001 From: Angus Ainslie Date: Tue, 29 Mar 2022 07:02:39 -0700 Subject: clk: imx8mq: Add a clock driver for the imx8mq This is a DM clock driver based off the imx8mm u-boot driver and the linux kernel driver. All of the PLLs and clocks are initialized so the subsystems below are functional and tested. 1) USB host and peripheral 2) ECSPI 3) UART 4) I2C all busses 5) USDHC for eMMC support 6) USB storage 7) GPIO 8) DRAM Signed-off-by: Angus Ainslie Acked-by: Sean Anderson --- drivers/clk/imx/Kconfig | 18 ++ drivers/clk/imx/Makefile | 2 + drivers/clk/imx/clk-imx8mq.c | 550 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 570 insertions(+) create mode 100644 drivers/clk/imx/clk-imx8mq.c (limited to 'drivers') diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index cdd348020b0..04d252a1e03 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -71,6 +71,24 @@ config CLK_IMX8MP help This enables support clock driver for i.MX8MP platforms. +config SPL_CLK_IMX8MQ + bool "SPL clock support for i.MX8MQ" + depends on ARCH_IMX8M && SPL + select SPL_CLK + select SPL_CLK_CCF + select SPL_CLK_COMPOSITE_CCF + help + This enables SPL DM/DTS support for clock driver in i.MX8MQ + +config CLK_IMX8MQ + bool "Clock support for i.MX8MQ" + depends on ARCH_IMX8M + select CLK + select CLK_CCF + select CLK_COMPOSITE_CCF + help + This enables support clock driver for i.MX8MQ platforms. + config SPL_CLK_IMXRT1020 bool "SPL clock support for i.MXRT1020" depends on ARCH_IMXRT && SPL diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 01bbbdf3aea..c5766901f2b 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -16,6 +16,8 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MN) += clk-imx8mn.o clk-pll14xx.o \ clk-composite-8m.o obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MP) += clk-imx8mp.o clk-pll14xx.o \ clk-composite-8m.o +obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MQ) += clk-imx8mq.o clk-pll14xx.o \ + clk-composite-8m.o obj-$(CONFIG_$(SPL_TPL_)CLK_IMXRT1020) += clk-imxrt1020.o obj-$(CONFIG_$(SPL_TPL_)CLK_IMXRT1050) += clk-imxrt1050.o diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c new file mode 100644 index 00000000000..1aa7c2c86e2 --- /dev/null +++ b/drivers/clk/imx/clk-imx8mq.c @@ -0,0 +1,550 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2019 NXP + * Copyright 2022 Purism + * Peng Fan + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +#define PLL_1416X_RATE(_rate, _m, _p, _s) \ + { \ + .rate = (_rate), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + } + +#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ + { \ + .rate = (_rate), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + .kdiv = (_k), \ + } + +static const struct imx_pll14xx_rate_table imx8mq_pll1416x_tbl[] = { + PLL_1416X_RATE(1800000000U, 225, 3, 0), + PLL_1416X_RATE(1600000000U, 200, 3, 0), + PLL_1416X_RATE(1200000000U, 300, 3, 1), + PLL_1416X_RATE(1000000000U, 250, 3, 1), + PLL_1416X_RATE(800000000U, 200, 3, 1), + PLL_1416X_RATE(750000000U, 250, 2, 2), + PLL_1416X_RATE(700000000U, 350, 3, 2), + PLL_1416X_RATE(600000000U, 300, 3, 2), +}; + +const struct imx_pll14xx_rate_table imx8mq_pll1443x_tbl[] = { + PLL_1443X_RATE(650000000U, 325, 3, 2, 0), + PLL_1443X_RATE(594000000U, 198, 2, 2, 0), + PLL_1443X_RATE(393216000U, 262, 2, 3, 9437), + PLL_1443X_RATE(361267200U, 361, 3, 3, 17511), +}; + +static struct imx_pll14xx_clk imx8mq_1416x_pll __initdata = { + .type = PLL_1416X, + .rate_table = imx8mq_pll1416x_tbl, + .rate_count = ARRAY_SIZE(imx8mq_pll1416x_tbl), +}; + +static struct imx_pll14xx_clk imx8mq_1443x_pll __initdata = { + .type = PLL_1443X, + .rate_table = imx8mq_pll1443x_tbl, + .rate_count = ARRAY_SIZE(imx8mq_pll1443x_tbl), +}; + +static const char *const pll_ref_sels[] = { "clock-osc-25m", "clock-osc-27m", "clock-phy-27m", "dummy", }; +static const char *const arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; +static const char *const gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", }; +static const char *const vpu_pll_bypass_sels[] = {"vpu_pll", "vpu_pll_ref_sel", }; +static const char *const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", }; +static const char *const audio_pll2_bypass_sels[] = {"audio_pll2", "audio_pll2_ref_sel", }; +static const char *const video_pll1_bypass_sels[] = {"video_pll1", "video_pll1_ref_sel", }; + +static const char *const imx8mq_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", }; +static const char *const imx8mq_a53_sels[] = {"clock-osc-25m", "arm_pll_out", "sys_pll2_500m", + "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", + "audio_pll1_out", "sys_pll3_out", }; + +static const char *const imx8mq_ahb_sels[] = {"clock-osc-25m", "sys_pll1_133m", "sys_pll1_800m", + "sys_pll1_400m", "sys_pll2_125m", "sys_pll3_out", + "audio_pll1_out", "video_pll1_out", }; + +static const char *const imx8mq_dram_alt_sels[] = {"osc_25m", "sys_pll1_800m", "sys_pll1_100m", + "sys_pll2_500m", "sys_pll2_250m", + "sys_pll1_400m", "audio_pll1_out", "sys_pll1_266m", } ; + +static const char * const imx8mq_dram_apb_sels[] = {"osc_25m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *const imx8mq_enet_axi_sels[] = {"clock-osc-25m", "sys_pll1_266m", "sys_pll1_800m", + "sys_pll2_250m", "sys_pll2_200m", "audio_pll1_out", + "video_pll1_out", "sys_pll3_out", }; + +static const char *const imx8mq_enet_ref_sels[] = {"clock-osc-25m", "sys_pll2_125m", "sys_pll2_50m", + "sys_pll2_100m", "sys_pll1_160m", "audio_pll1_out", + "video_pll1_out", "clk_ext4", }; + +static const char *const imx8mq_enet_timer_sels[] = {"clock-osc-25m", "sys_pll2_100m", "audio_pll1_out", + "clk_ext1", "clk_ext2", "clk_ext3", "clk_ext4", + "video_pll1_out", }; + +static const char *const imx8mq_enet_phy_sels[] = {"clock-osc-25m", "sys_pll2_50m", "sys_pll2_125m", + "sys_pll2_200m", "sys_pll2_500m", "video_pll1_out", + "audio_pll2_out", }; + +static const char *const imx8mq_nand_usdhc_sels[] = {"clock-osc-25m", "sys_pll1_266m", "sys_pll1_800m", + "sys_pll2_200m", "sys_pll1_133m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll1_out", }; + +static const char *const imx8mq_usb_bus_sels[] = {"clock-osc-25m", "sys_pll2_500m", "sys_pll1_800m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext4", "audio_pll2_out", }; + +static const char *const imx8mq_usdhc1_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll1_800m", + "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m", + "audio_pll2_out", "sys_pll1_100m", }; + +static const char *const imx8mq_usdhc2_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll1_800m", + "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m", + "audio_pll2_out", "sys_pll1_100m", }; + +static const char *const imx8mq_i2c1_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m", + "sys_pll3_out", "audio_pll1_out", "video_pll1_out", + "audio_pll2_out", "sys_pll1_133m", }; + +static const char *const imx8mq_i2c2_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m", + "sys_pll3_out", "audio_pll1_out", "video_pll1_out", + "audio_pll2_out", "sys_pll1_133m", }; + +static const char *const imx8mq_i2c3_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m", + "sys_pll3_out", "audio_pll1_out", "video_pll1_out", + "audio_pll2_out", "sys_pll1_133m", }; + +static const char *const imx8mq_i2c4_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m", + "sys_pll3_out", "audio_pll1_out", "video_pll1_out", + "audio_pll2_out", "sys_pll1_133m", }; + +static const char *const imx8mq_uart1_sels[] = {"clock-osc-25m", "sys_pll1_80m", "sys_pll2_200m", + "sys_pll2_100m", "sys_pll3_out", "clk_ext2", + "clk_ext4", "audio_pll2_out", }; + +static const char *const imx8mq_uart2_sels[] = {"clock-osc-25m", "sys_pll1_80m", "sys_pll2_200m", + "sys_pll2_100m", "sys_pll3_out", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + +static const char *const imx8mq_uart3_sels[] = {"clock-osc-25m", "sys_pll1_80m", "sys_pll2_200m", + "sys_pll2_100m", "sys_pll3_out", "clk_ext2", + "clk_ext4", "audio_pll2_out", }; + +static const char *const imx8mq_uart4_sels[] = {"clock-osc-25m", "sys_pll1_80m", "sys_pll2_200m", + "sys_pll2_100m", "sys_pll3_out", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + +static const char *const imx8mq_wdog_sels[] = {"clock-osc-25m", "sys_pll1_133m", "sys_pll1_160m", + "vpu_pll_out", "sys_pll2_125m", "sys_pll3_out", + "sys_pll1_80m", "sys_pll2_166m", }; + +static const char *const imx8mq_qspi_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll2_333m", + "sys_pll2_500m", "audio_pll2_out", "sys_pll1_266m", + "sys_pll3_out", "sys_pll1_100m", }; + +static const char *const imx8mq_usb_core_sels[] = {"clock-osc-25m", "sys_pll1_100m", "sys_pll1_40m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + +static const char *const imx8mq_usb_phy_sels[] = {"clock-osc-25m", "sys_pll1_100m", "sys_pll1_40m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + +static const char *const imx8mq_ecspi1_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *const imx8mq_ecspi2_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *const imx8mq_ecspi3_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *const imx8mq_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", }; + +static const char *const pllout_monitor_sels[] = {"clock-osc-25m", "clock-osc-27m", "clock-phy-27m", + "dummy", "clock-ckil", "audio_pll1_out_monitor", + "audio_pll2_out_monitor", "gpu_pll_out_monitor", + "vpu_pll_out_monitor", "video_pll1_out_monitor", + "arm_pll_out_monitor", "sys_pll1_out_monitor", + "sys_pll2_out_monitor", "sys_pll3_out_monitor", + "video_pll2_out_monitor", "dram_pll_out_monitor", }; + +static int imx8mq_clk_probe(struct udevice *dev) +{ + void __iomem *base; + + base = (void *)ANATOP_BASE_ADDR; + + clk_dm(IMX8MQ_CLK_32K, clk_register_fixed_rate(NULL, "ckil", 32768)); + clk_dm(IMX8MQ_CLK_27M, clk_register_fixed_rate(NULL, "clock-osc-27m", 27000000)); + + clk_dm(IMX8MQ_DRAM_PLL1_REF_SEL, + imx_clk_mux("dram_pll_ref_sel", base + 0x60, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_ARM_PLL_REF_SEL, + imx_clk_mux("arm_pll_ref_sel", base + 0x28, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_GPU_PLL_REF_SEL, + imx_clk_mux("gpu_pll_ref_sel", base + 0x18, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_VPU_PLL_REF_SEL, + imx_clk_mux("vpu_pll_ref_sel", base + 0x20, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_SYS3_PLL1_REF_SEL, + imx_clk_mux("sys3_pll_ref_sel", base + 0x48, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_AUDIO_PLL1_REF_SEL, + imx_clk_mux("audio_pll1_ref_sel", base + 0x0, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_AUDIO_PLL2_REF_SEL, + imx_clk_mux("audio_pll2_ref_sel", base + 0x8, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_VIDEO_PLL1_REF_SEL, + imx_clk_mux("video_pll1_ref_sel", base + 0x10, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + clk_dm(IMX8MQ_VIDEO2_PLL1_REF_SEL, + imx_clk_mux("video_pll2_ref_sel", base + 0x54, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); + + clk_dm(IMX8MQ_ARM_PLL, + imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", + base + 0x28, &imx8mq_1416x_pll)); + clk_dm(IMX8MQ_GPU_PLL, + imx_clk_pll14xx("gpu_pll", "gpu_pll_ref_sel", + base + 0x18, &imx8mq_1416x_pll)); + clk_dm(IMX8MQ_VPU_PLL, + imx_clk_pll14xx("vpu_pll", "vpu_pll_ref_sel", + base + 0x20, &imx8mq_1416x_pll)); + + clk_dm(IMX8MQ_SYS1_PLL1, + clk_register_fixed_rate(NULL, "sys1_pll", 800000000)); + clk_dm(IMX8MQ_SYS2_PLL1, + clk_register_fixed_rate(NULL, "sys2_pll", 1000000000)); + clk_dm(IMX8MQ_SYS2_PLL1, + clk_register_fixed_rate(NULL, "sys3_pll", 1000000000)); + clk_dm(IMX8MQ_AUDIO_PLL1, + imx_clk_pll14xx("audio_pll1", "audio_pll1_ref_sel", + base + 0x0, &imx8mq_1443x_pll)); + clk_dm(IMX8MQ_AUDIO_PLL2, + imx_clk_pll14xx("audio_pll2", "audio_pll2_ref_sel", + base + 0x8, &imx8mq_1443x_pll)); + clk_dm(IMX8MQ_VIDEO_PLL1, + imx_clk_pll14xx("video_pll1", "video_pll1_ref_sel", + base + 0x10, &imx8mq_1443x_pll)); + + /* PLL bypass out */ + clk_dm(IMX8MQ_ARM_PLL_BYPASS, + imx_clk_mux_flags("arm_pll_bypass", base + 0x28, 4, 1, + arm_pll_bypass_sels, + ARRAY_SIZE(arm_pll_bypass_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_GPU_PLL_BYPASS, + imx_clk_mux_flags("gpu_pll_bypass", base + 0x18, 4, 1, + gpu_pll_bypass_sels, + ARRAY_SIZE(gpu_pll_bypass_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_VPU_PLL_BYPASS, + imx_clk_mux_flags("vpu_pll_bypass", base + 0x20, 4, 1, + vpu_pll_bypass_sels, + ARRAY_SIZE(vpu_pll_bypass_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_AUDIO_PLL1_BYPASS, + imx_clk_mux_flags("audio_pll1_bypass", base + 0x0, 4, 1, + audio_pll1_bypass_sels, + ARRAY_SIZE(audio_pll1_bypass_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_AUDIO_PLL2_BYPASS, + imx_clk_mux_flags("audio_pll2_bypass", base + 0x8, 4, 1, + audio_pll2_bypass_sels, + ARRAY_SIZE(audio_pll2_bypass_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_VIDEO_PLL1_BYPASS, + imx_clk_mux_flags("video_pll1_bypass", base + 0x10, 4, 1, + video_pll1_bypass_sels, + ARRAY_SIZE(video_pll1_bypass_sels), + CLK_SET_RATE_PARENT)); + + /* PLL out gate */ + clk_dm(IMX8MQ_DRAM_PLL_OUT, + imx_clk_gate("dram_pll_out", "dram_pll_ref_sel", + base + 0x60, 13)); + clk_dm(IMX8MQ_ARM_PLL_OUT, + imx_clk_gate("arm_pll_out", "arm_pll_bypass", + base + 0x28, 11)); + clk_dm(IMX8MQ_GPU_PLL_OUT, + imx_clk_gate("gpu_pll_out", "gpu_pll_bypass", + base + 0x18, 11)); + clk_dm(IMX8MQ_VPU_PLL_OUT, + imx_clk_gate("vpu_pll_out", "vpu_pll_bypass", + base + 0x20, 11)); + clk_dm(IMX8MQ_AUDIO_PLL1_OUT, + imx_clk_gate("audio_pll1_out", "audio_pll1_bypass", + base + 0x0, 11)); + clk_dm(IMX8MQ_AUDIO_PLL2_OUT, + imx_clk_gate("audio_pll2_out", "audio_pll2_bypass", + base + 0x8, 11)); + clk_dm(IMX8MQ_VIDEO_PLL1_OUT, + imx_clk_gate("video_pll1_out", "video_pll1_bypass", + base + 0x10, 11)); + + clk_dm(IMX8MQ_SYS1_PLL_OUT, + imx_clk_gate("sys_pll1_out", "sys1_pll", + base + 0x30, 11)); + clk_dm(IMX8MQ_SYS2_PLL_OUT, + imx_clk_gate("sys_pll2_out", "sys2_pll", + base + 0x3c, 11)); + clk_dm(IMX8MQ_SYS3_PLL_OUT, + imx_clk_gate("sys_pll3_out", "sys3_pll", + base + 0x48, 11)); + clk_dm(IMX8MQ_VIDEO2_PLL_OUT, + imx_clk_gate("video_pll2_out", "video_pll2_ref_sel", + base + 0x54, 11)); + + /* SYS PLL fixed output */ + clk_dm(IMX8MQ_SYS1_PLL_40M, + imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20)); + clk_dm(IMX8MQ_SYS1_PLL_80M, + imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10)); + clk_dm(IMX8MQ_SYS1_PLL_100M, + imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8)); + clk_dm(IMX8MQ_SYS1_PLL_133M, + imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6)); + clk_dm(IMX8MQ_SYS1_PLL_160M, + imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5)); + clk_dm(IMX8MQ_SYS1_PLL_200M, + imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4)); + clk_dm(IMX8MQ_SYS1_PLL_266M, + imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3)); + clk_dm(IMX8MQ_SYS1_PLL_400M, + imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2)); + clk_dm(IMX8MQ_SYS1_PLL_800M, + imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1)); + + clk_dm(IMX8MQ_SYS2_PLL_50M, + imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20)); + clk_dm(IMX8MQ_SYS2_PLL_100M, + imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10)); + clk_dm(IMX8MQ_SYS2_PLL_125M, + imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8)); + clk_dm(IMX8MQ_SYS2_PLL_166M, + imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6)); + clk_dm(IMX8MQ_SYS2_PLL_200M, + imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5)); + clk_dm(IMX8MQ_SYS2_PLL_250M, + imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4)); + clk_dm(IMX8MQ_SYS2_PLL_333M, + imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3)); + clk_dm(IMX8MQ_SYS2_PLL_500M, + imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2)); + clk_dm(IMX8MQ_SYS2_PLL_1000M, + imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1)); + + clk_dm(IMX8MQ_CLK_MON_AUDIO_PLL1_DIV, + imx_clk_divider("audio_pll1_out_monitor", "audio_pll1_bypass", base + 0x78, 0, 3)); + clk_dm(IMX8MQ_CLK_MON_AUDIO_PLL2_DIV, + imx_clk_divider("audio_pll2_out_monitor", "audio_pll2_bypass", base + 0x78, 4, 3)); + clk_dm(IMX8MQ_CLK_MON_VIDEO_PLL1_DIV, + imx_clk_divider("video_pll1_out_monitor", "video_pll1_bypass", base + 0x78, 8, 3)); + clk_dm(IMX8MQ_CLK_MON_GPU_PLL_DIV, + imx_clk_divider("gpu_pll_out_monitor", "gpu_pll_bypass", base + 0x78, 12, 3)); + clk_dm(IMX8MQ_CLK_MON_VPU_PLL_DIV, + imx_clk_divider("vpu_pll_out_monitor", "vpu_pll_bypass", base + 0x78, 16, 3)); + clk_dm(IMX8MQ_CLK_MON_ARM_PLL_DIV, + imx_clk_divider("arm_pll_out_monitor", "arm_pll_bypass", base + 0x78, 20, 3)); + clk_dm(IMX8MQ_CLK_MON_SYS_PLL1_DIV, + imx_clk_divider("sys_pll1_out_monitor", "sys_pll1_out", base + 0x7c, 0, 3)); + clk_dm(IMX8MQ_CLK_MON_SYS_PLL2_DIV, + imx_clk_divider("sys_pll2_out_monitor", "sys_pll2_out", base + 0x7c, 4, 3)); + clk_dm(IMX8MQ_CLK_MON_SYS_PLL3_DIV, + imx_clk_divider("sys_pll3_out_monitor", "sys_pll3_out", base + 0x7c, 8, 3)); + clk_dm(IMX8MQ_CLK_MON_DRAM_PLL_DIV, + imx_clk_divider("dram_pll_out_monitor", "dram_pll_out", base + 0x7c, 12, 3)); + clk_dm(IMX8MQ_CLK_MON_VIDEO_PLL2_DIV, + imx_clk_divider("video_pll2_out_monitor", "video_pll2_out", base + 0x7c, 16, 3)); + clk_dm(IMX8MQ_CLK_MON_SEL, + imx_clk_mux_flags("pllout_monitor_sel", base + 0x74, 0, 4, + pllout_monitor_sels, + ARRAY_SIZE(pllout_monitor_sels), + CLK_SET_RATE_PARENT)); + clk_dm(IMX8MQ_CLK_MON_CLK2_OUT, + imx_clk_gate4("pllout_monitor_clk2", "pllout_monitor_sel", base + 0x74, 4)); + + base = dev_read_addr_ptr(dev); + if (!base) { + printf("%s : base failed\n", __func__); + return -EINVAL; + } + + clk_dm(IMX8MQ_CLK_A53_SRC, + imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3, + imx8mq_a53_sels, ARRAY_SIZE(imx8mq_a53_sels))); + clk_dm(IMX8MQ_CLK_A53_CG, + imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28)); + clk_dm(IMX8MQ_CLK_A53_DIV, + imx_clk_divider2("arm_a53_div", "arm_a53_cg", + base + 0x8000, 0, 3)); + clk_dm(IMX8MQ_CLK_A53_CORE, + imx_clk_mux2("arm_a53_src", base + 0x9880, 24, 1, + imx8mq_a53_core_sels, ARRAY_SIZE(imx8mq_a53_core_sels))); + + clk_dm(IMX8MQ_CLK_AHB, + imx8m_clk_composite_critical("ahb", imx8mq_ahb_sels, + base + 0x9000)); + clk_dm(IMX8MQ_CLK_IPG_ROOT, + imx_clk_divider2("ipg_root", "ahb", base + 0x9080, 0, 1)); + + clk_dm(IMX8MQ_CLK_ENET_AXI, + imx8m_clk_composite("enet_axi", imx8mq_enet_axi_sels, + base + 0x8880)); + clk_dm(IMX8MQ_CLK_NAND_USDHC_BUS, + imx8m_clk_composite_critical("nand_usdhc_bus", + imx8mq_nand_usdhc_sels, + base + 0x8900)); + clk_dm(IMX8MQ_CLK_USB_BUS, + imx8m_clk_composite("usb_bus", imx8mq_usb_bus_sels, base + 0x8b80)); + + /* DRAM */ + clk_dm(IMX8MQ_CLK_DRAM_CORE, + imx_clk_mux2("dram_core_clk", base + 0x9800, 24, 1, + imx8mq_dram_core_sels, ARRAY_SIZE(imx8mq_dram_core_sels))); + clk_dm(IMX8MQ_CLK_DRAM_ALT, + imx8m_clk_composite("dram_alt", imx8mq_dram_alt_sels, base + 0xa000)); + clk_dm(IMX8MQ_CLK_DRAM_APB, + imx8m_clk_composite_critical("dram_apb", imx8mq_dram_apb_sels, base + 0xa080)); + + /* IP */ + clk_dm(IMX8MQ_CLK_USDHC1, + imx8m_clk_composite("usdhc1", imx8mq_usdhc1_sels, + base + 0xac00)); + clk_dm(IMX8MQ_CLK_USDHC2, + imx8m_clk_composite("usdhc2", imx8mq_usdhc2_sels, + base + 0xac80)); + clk_dm(IMX8MQ_CLK_I2C1, + imx8m_clk_composite("i2c1", imx8mq_i2c1_sels, base + 0xad00)); + clk_dm(IMX8MQ_CLK_I2C2, + imx8m_clk_composite("i2c2", imx8mq_i2c2_sels, base + 0xad80)); + clk_dm(IMX8MQ_CLK_I2C3, + imx8m_clk_composite("i2c3", imx8mq_i2c3_sels, base + 0xae00)); + clk_dm(IMX8MQ_CLK_I2C4, + imx8m_clk_composite("i2c4", imx8mq_i2c4_sels, base + 0xae80)); + clk_dm(IMX8MQ_CLK_WDOG, + imx8m_clk_composite("wdog", imx8mq_wdog_sels, base + 0xb900)); + clk_dm(IMX8MQ_CLK_UART1, + imx8m_clk_composite("uart1", imx8mq_uart1_sels, base + 0xaf00)); + clk_dm(IMX8MQ_CLK_UART2, + imx8m_clk_composite("uart2", imx8mq_uart2_sels, base + 0xaf80)); + clk_dm(IMX8MQ_CLK_UART3, + imx8m_clk_composite("uart3", imx8mq_uart3_sels, base + 0xb000)); + clk_dm(IMX8MQ_CLK_UART4, + imx8m_clk_composite("uart4", imx8mq_uart4_sels, base + 0xb080)); + clk_dm(IMX8MQ_CLK_QSPI, + imx8m_clk_composite("qspi", imx8mq_qspi_sels, base + 0xab80)); + clk_dm(IMX8MQ_CLK_USB_CORE_REF, + imx8m_clk_composite("usb_core_ref", imx8mq_usb_core_sels, base + 0xb100)); + clk_dm(IMX8MQ_CLK_USB_PHY_REF, + imx8m_clk_composite("usb_phy_ref", imx8mq_usb_phy_sels, base + 0xb180)); + clk_dm(IMX8MQ_CLK_ECSPI1, + imx8m_clk_composite("ecspi1", imx8mq_ecspi1_sels, base + 0xb280)); + clk_dm(IMX8MQ_CLK_ECSPI2, + imx8m_clk_composite("ecspi2", imx8mq_ecspi2_sels, base + 0xb300)); + clk_dm(IMX8MQ_CLK_ECSPI3, + imx8m_clk_composite("ecspi3", imx8mq_ecspi3_sels, base + 0xc180)); + + clk_dm(IMX8MQ_CLK_ECSPI1_ROOT, + imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0)); + clk_dm(IMX8MQ_CLK_ECSPI2_ROOT, + imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0)); + clk_dm(IMX8MQ_CLK_ECSPI3_ROOT, + imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0)); + clk_dm(IMX8MQ_CLK_I2C1_ROOT, + imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0)); + clk_dm(IMX8MQ_CLK_I2C2_ROOT, + imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0)); + clk_dm(IMX8MQ_CLK_I2C3_ROOT, + imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0)); + clk_dm(IMX8MQ_CLK_I2C4_ROOT, + imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0)); + clk_dm(IMX8MQ_CLK_UART1_ROOT, + imx_clk_gate4("uart1_root_clk", "uart1", base + 0x4490, 0)); + clk_dm(IMX8MQ_CLK_UART2_ROOT, + imx_clk_gate4("uart2_root_clk", "uart2", base + 0x44a0, 0)); + clk_dm(IMX8MQ_CLK_UART3_ROOT, + imx_clk_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0)); + clk_dm(IMX8MQ_CLK_UART4_ROOT, + imx_clk_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0)); + clk_dm(IMX8MQ_CLK_OCOTP_ROOT, + imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0)); + clk_dm(IMX8MQ_CLK_USDHC1_ROOT, + imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0)); + clk_dm(IMX8MQ_CLK_USDHC2_ROOT, + imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0)); + clk_dm(IMX8MQ_CLK_WDOG1_ROOT, + imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0)); + clk_dm(IMX8MQ_CLK_WDOG2_ROOT, + imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0)); + clk_dm(IMX8MQ_CLK_WDOG3_ROOT, + imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0)); + clk_dm(IMX8MQ_CLK_QSPI_ROOT, + imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0)); + clk_dm(IMX8MQ_CLK_USB1_CTRL_ROOT, + imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0)); + clk_dm(IMX8MQ_CLK_USB2_CTRL_ROOT, + imx_clk_gate4("usb2_ctrl_root_clk", "usb_bus", base + 0x44e0, 0)); + clk_dm(IMX8MQ_CLK_USB1_PHY_ROOT, + imx_clk_gate4("usb1_phy_root_clk", "usb_phy_ref", base + 0x44f0, 0)); + clk_dm(IMX8MQ_CLK_USB2_PHY_ROOT, + imx_clk_gate4("usb2_phy_root_clk", "usb_phy_ref", base + 0x4500, 0)); + + clk_dm(IMX8MQ_CLK_ENET_REF, + imx8m_clk_composite("enet_ref", imx8mq_enet_ref_sels, + base + 0xa980)); + clk_dm(IMX8MQ_CLK_ENET_TIMER, + imx8m_clk_composite("enet_timer", imx8mq_enet_timer_sels, + base + 0xaa00)); + clk_dm(IMX8MQ_CLK_ENET_PHY_REF, + imx8m_clk_composite("enet_phy", imx8mq_enet_phy_sels, + base + 0xaa80)); + clk_dm(IMX8MQ_CLK_ENET1_ROOT, + imx_clk_gate4("enet1_root_clk", "enet_axi", + base + 0x40a0, 0)); + + clk_dm(IMX8MQ_CLK_DRAM_ALT_ROOT, + imx_clk_fixed_factor("dram_alt_root", "dram_alt", 1, 4)); + + return 0; +} + +static const struct udevice_id imx8mq_clk_ids[] = { + { .compatible = "fsl,imx8mq-ccm" }, + { }, +}; + +U_BOOT_DRIVER(imx8mq_clk) = { + .name = "clk_imx8mq", + .id = UCLASS_CLK, + .of_match = imx8mq_clk_ids, + .ops = &ccf_clk_ops, + .probe = imx8mq_clk_probe, + .flags = DM_FLAG_PRE_RELOC, +}; -- cgit v1.3.1 From 129f5102d2941715263fb806b57da5527e7fd9ed Mon Sep 17 00:00:00 2001 From: Angus Ainslie Date: Tue, 29 Mar 2022 07:02:40 -0700 Subject: clk: imx8m: reduce rate table duplication Re-factor the imx8m[nmpq] rate tables into the common pll1416x clock driver. 43cdaa1567ad3 ("clk: imx8mm: Move 1443X/1416X PLL clock structure to common place") Signed-off-by: Angus Ainslie Tested-by: Adam Ford #imx8mm-beacon --- drivers/clk/imx/clk-imx8mm.c | 60 ++++----------------------------------- drivers/clk/imx/clk-imx8mn.c | 60 ++++----------------------------------- drivers/clk/imx/clk-imx8mp.c | 65 +++++++------------------------------------ drivers/clk/imx/clk-imx8mq.c | 59 ++++----------------------------------- drivers/clk/imx/clk-pll14xx.c | 61 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/imx/clk.h | 4 +++ 6 files changed, 91 insertions(+), 218 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index a0115199d9c..542aa31f7ac 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -15,56 +15,6 @@ #include "clk.h" -#define PLL_1416X_RATE(_rate, _m, _p, _s) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - } - -#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - .kdiv = (_k), \ - } - -static const struct imx_pll14xx_rate_table imx8mm_pll1416x_tbl[] = { - PLL_1416X_RATE(1800000000U, 225, 3, 0), - PLL_1416X_RATE(1600000000U, 200, 3, 0), - PLL_1416X_RATE(1200000000U, 300, 3, 1), - PLL_1416X_RATE(1000000000U, 250, 3, 1), - PLL_1416X_RATE(800000000U, 200, 3, 1), - PLL_1416X_RATE(750000000U, 250, 2, 2), - PLL_1416X_RATE(700000000U, 350, 3, 2), - PLL_1416X_RATE(600000000U, 300, 3, 2), -}; - -static const struct imx_pll14xx_rate_table imx8mm_drampll_tbl[] = { - PLL_1443X_RATE(650000000U, 325, 3, 2, 0), -}; - -static struct imx_pll14xx_clk imx8mm_dram_pll __initdata = { - .type = PLL_1443X, - .rate_table = imx8mm_drampll_tbl, - .rate_count = ARRAY_SIZE(imx8mm_drampll_tbl), -}; - -static struct imx_pll14xx_clk imx8mm_arm_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mm_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mm_pll1416x_tbl), -}; - -static struct imx_pll14xx_clk imx8mm_sys_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mm_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mm_pll1416x_tbl), -}; - static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", }; static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", }; static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; @@ -176,19 +126,19 @@ static int imx8mm_clk_probe(struct udevice *dev) clk_dm(IMX8MM_DRAM_PLL, imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel", - base + 0x50, &imx8mm_dram_pll)); + base + 0x50, &imx_1443x_dram_pll)); clk_dm(IMX8MM_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", - base + 0x84, &imx8mm_arm_pll)); + base + 0x84, &imx_1416x_pll)); clk_dm(IMX8MM_SYS_PLL1, imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", - base + 0x94, &imx8mm_sys_pll)); + base + 0x94, &imx_1416x_pll)); clk_dm(IMX8MM_SYS_PLL2, imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", - base + 0x104, &imx8mm_sys_pll)); + base + 0x104, &imx_1416x_pll)); clk_dm(IMX8MM_SYS_PLL3, imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", - base + 0x114, &imx8mm_sys_pll)); + base + 0x114, &imx_1416x_pll)); /* PLL bypass out */ clk_dm(IMX8MM_DRAM_PLL_BYPASS, diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index bb62138f8ca..15d7599cfb7 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -15,56 +15,6 @@ #include "clk.h" -#define PLL_1416X_RATE(_rate, _m, _p, _s) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - } - -#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - .kdiv = (_k), \ - } - -static const struct imx_pll14xx_rate_table imx8mn_pll1416x_tbl[] = { - PLL_1416X_RATE(1800000000U, 225, 3, 0), - PLL_1416X_RATE(1600000000U, 200, 3, 0), - PLL_1416X_RATE(1200000000U, 300, 3, 1), - PLL_1416X_RATE(1000000000U, 250, 3, 1), - PLL_1416X_RATE(800000000U, 200, 3, 1), - PLL_1416X_RATE(750000000U, 250, 2, 2), - PLL_1416X_RATE(700000000U, 350, 3, 2), - PLL_1416X_RATE(600000000U, 300, 3, 2), -}; - -static const struct imx_pll14xx_rate_table imx8mn_drampll_tbl[] = { - PLL_1443X_RATE(650000000U, 325, 3, 2, 0), -}; - -static struct imx_pll14xx_clk imx8mn_dram_pll __initdata = { - .type = PLL_1443X, - .rate_table = imx8mn_drampll_tbl, - .rate_count = ARRAY_SIZE(imx8mn_drampll_tbl), -}; - -static struct imx_pll14xx_clk imx8mn_arm_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mn_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl), -}; - -static struct imx_pll14xx_clk imx8mn_sys_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mn_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl), -}; - static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", }; static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", }; static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; @@ -172,19 +122,19 @@ static int imx8mn_clk_probe(struct udevice *dev) clk_dm(IMX8MN_DRAM_PLL, imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel", - base + 0x50, &imx8mn_dram_pll)); + base + 0x50, &imx_1443x_dram_pll)); clk_dm(IMX8MN_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", - base + 0x84, &imx8mn_arm_pll)); + base + 0x84, &imx_1416x_pll)); clk_dm(IMX8MN_SYS_PLL1, imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", - base + 0x94, &imx8mn_sys_pll)); + base + 0x94, &imx_1416x_pll)); clk_dm(IMX8MN_SYS_PLL2, imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", - base + 0x104, &imx8mn_sys_pll)); + base + 0x104, &imx_1416x_pll)); clk_dm(IMX8MN_SYS_PLL3, imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", - base + 0x114, &imx8mn_sys_pll)); + base + 0x114, &imx_1416x_pll)); /* PLL bypass out */ clk_dm(IMX8MN_DRAM_PLL_BYPASS, diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index ad84ce38ede..31689e02927 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -15,56 +15,6 @@ #include "clk.h" -#define PLL_1416X_RATE(_rate, _m, _p, _s) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - } - -#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - .kdiv = (_k), \ - } - -static const struct imx_pll14xx_rate_table imx8mp_pll1416x_tbl[] = { - PLL_1416X_RATE(1800000000U, 225, 3, 0), - PLL_1416X_RATE(1600000000U, 200, 3, 0), - PLL_1416X_RATE(1200000000U, 300, 3, 1), - PLL_1416X_RATE(1000000000U, 250, 3, 1), - PLL_1416X_RATE(800000000U, 200, 3, 1), - PLL_1416X_RATE(750000000U, 250, 2, 2), - PLL_1416X_RATE(700000000U, 350, 3, 2), - PLL_1416X_RATE(600000000U, 300, 3, 2), -}; - -static const struct imx_pll14xx_rate_table imx8mp_drampll_tbl[] = { - PLL_1443X_RATE(650000000U, 325, 3, 2, 0), -}; - -static struct imx_pll14xx_clk imx8mp_dram_pll __initdata = { - .type = PLL_1443X, - .rate_table = imx8mp_drampll_tbl, - .rate_count = ARRAY_SIZE(imx8mp_drampll_tbl), -}; - -static struct imx_pll14xx_clk imx8mp_arm_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mp_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mp_pll1416x_tbl), -}; - -static struct imx_pll14xx_clk imx8mp_sys_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mp_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mp_pll1416x_tbl), -}; - static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", }; static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", }; static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; @@ -198,11 +148,16 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_SYS_PLL2_REF_SEL, imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); clk_dm(IMX8MP_SYS_PLL3_REF_SEL, imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels))); - clk_dm(IMX8MP_DRAM_PLL, imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, &imx8mp_dram_pll)); - clk_dm(IMX8MP_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, &imx8mp_arm_pll)); - clk_dm(IMX8MP_SYS_PLL1, imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", base + 0x94, &imx8mp_sys_pll)); - clk_dm(IMX8MP_SYS_PLL2, imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", base + 0x104, &imx8mp_sys_pll)); - clk_dm(IMX8MP_SYS_PLL3, imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, &imx8mp_sys_pll)); + clk_dm(IMX8MP_DRAM_PLL, imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, + &imx_1443x_dram_pll)); + clk_dm(IMX8MP_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, + &imx_1416x_pll)); + clk_dm(IMX8MP_SYS_PLL1, imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", base + 0x94, + &imx_1416x_pll)); + clk_dm(IMX8MP_SYS_PLL2, imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", base + 0x104, + &imx_1416x_pll)); + clk_dm(IMX8MP_SYS_PLL3, imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, + &imx_1416x_pll)); clk_dm(IMX8MP_DRAM_PLL_BYPASS, imx_clk_mux_flags("dram_pll_bypass", base + 0x50, 4, 1, dram_pll_bypass_sels, ARRAY_SIZE(dram_pll_bypass_sels), CLK_SET_RATE_PARENT)); clk_dm(IMX8MP_ARM_PLL_BYPASS, imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 4, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT)); diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 1aa7c2c86e2..cf197df96db 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -16,53 +16,6 @@ #include "clk.h" -#define PLL_1416X_RATE(_rate, _m, _p, _s) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - } - -#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ - { \ - .rate = (_rate), \ - .mdiv = (_m), \ - .pdiv = (_p), \ - .sdiv = (_s), \ - .kdiv = (_k), \ - } - -static const struct imx_pll14xx_rate_table imx8mq_pll1416x_tbl[] = { - PLL_1416X_RATE(1800000000U, 225, 3, 0), - PLL_1416X_RATE(1600000000U, 200, 3, 0), - PLL_1416X_RATE(1200000000U, 300, 3, 1), - PLL_1416X_RATE(1000000000U, 250, 3, 1), - PLL_1416X_RATE(800000000U, 200, 3, 1), - PLL_1416X_RATE(750000000U, 250, 2, 2), - PLL_1416X_RATE(700000000U, 350, 3, 2), - PLL_1416X_RATE(600000000U, 300, 3, 2), -}; - -const struct imx_pll14xx_rate_table imx8mq_pll1443x_tbl[] = { - PLL_1443X_RATE(650000000U, 325, 3, 2, 0), - PLL_1443X_RATE(594000000U, 198, 2, 2, 0), - PLL_1443X_RATE(393216000U, 262, 2, 3, 9437), - PLL_1443X_RATE(361267200U, 361, 3, 3, 17511), -}; - -static struct imx_pll14xx_clk imx8mq_1416x_pll __initdata = { - .type = PLL_1416X, - .rate_table = imx8mq_pll1416x_tbl, - .rate_count = ARRAY_SIZE(imx8mq_pll1416x_tbl), -}; - -static struct imx_pll14xx_clk imx8mq_1443x_pll __initdata = { - .type = PLL_1443X, - .rate_table = imx8mq_pll1443x_tbl, - .rate_count = ARRAY_SIZE(imx8mq_pll1443x_tbl), -}; - static const char *const pll_ref_sels[] = { "clock-osc-25m", "clock-osc-27m", "clock-phy-27m", "dummy", }; static const char *const arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; static const char *const gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", }; @@ -229,13 +182,13 @@ static int imx8mq_clk_probe(struct udevice *dev) clk_dm(IMX8MQ_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", - base + 0x28, &imx8mq_1416x_pll)); + base + 0x28, &imx_1416x_pll)); clk_dm(IMX8MQ_GPU_PLL, imx_clk_pll14xx("gpu_pll", "gpu_pll_ref_sel", - base + 0x18, &imx8mq_1416x_pll)); + base + 0x18, &imx_1416x_pll)); clk_dm(IMX8MQ_VPU_PLL, imx_clk_pll14xx("vpu_pll", "vpu_pll_ref_sel", - base + 0x20, &imx8mq_1416x_pll)); + base + 0x20, &imx_1416x_pll)); clk_dm(IMX8MQ_SYS1_PLL1, clk_register_fixed_rate(NULL, "sys1_pll", 800000000)); @@ -245,13 +198,13 @@ static int imx8mq_clk_probe(struct udevice *dev) clk_register_fixed_rate(NULL, "sys3_pll", 1000000000)); clk_dm(IMX8MQ_AUDIO_PLL1, imx_clk_pll14xx("audio_pll1", "audio_pll1_ref_sel", - base + 0x0, &imx8mq_1443x_pll)); + base + 0x0, &imx_1443x_pll)); clk_dm(IMX8MQ_AUDIO_PLL2, imx_clk_pll14xx("audio_pll2", "audio_pll2_ref_sel", - base + 0x8, &imx8mq_1443x_pll)); + base + 0x8, &imx_1443x_pll)); clk_dm(IMX8MQ_VIDEO_PLL1, imx_clk_pll14xx("video_pll1", "video_pll1_ref_sel", - base + 0x10, &imx8mq_1443x_pll)); + base + 0x10, &imx_1443x_pll)); /* PLL bypass out */ clk_dm(IMX8MQ_ARM_PLL_BYPASS, diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index b0ccb6c8eda..b93c0bc64e7 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -52,6 +52,67 @@ struct clk_pll14xx { #define to_clk_pll14xx(_clk) container_of(_clk, struct clk_pll14xx, clk) +#define PLL_1416X_RATE(_rate, _m, _p, _s) \ + { \ + .rate = (_rate), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + } + +#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ + { \ + .rate = (_rate), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + .kdiv = (_k), \ + } + +static const struct imx_pll14xx_rate_table imx_pll1416x_tbl[] = { + PLL_1416X_RATE(1800000000U, 225, 3, 0), + PLL_1416X_RATE(1600000000U, 200, 3, 0), + PLL_1416X_RATE(1500000000U, 375, 3, 1), + PLL_1416X_RATE(1400000000U, 350, 3, 1), + PLL_1416X_RATE(1200000000U, 300, 3, 1), + PLL_1416X_RATE(1000000000U, 250, 3, 1), + PLL_1416X_RATE(800000000U, 200, 3, 1), + PLL_1416X_RATE(750000000U, 250, 2, 2), + PLL_1416X_RATE(700000000U, 350, 3, 2), + PLL_1416X_RATE(600000000U, 300, 3, 2), +}; + +const struct imx_pll14xx_rate_table imx_pll1443x_tbl[] = { + PLL_1443X_RATE(1039500000U, 173, 2, 1, 16384), + PLL_1443X_RATE(650000000U, 325, 3, 2, 0), + PLL_1443X_RATE(594000000U, 198, 2, 2, 0), + PLL_1443X_RATE(519750000U, 173, 2, 2, 16384), + PLL_1443X_RATE(393216000U, 262, 2, 3, 9437), + PLL_1443X_RATE(361267200U, 361, 3, 3, 17511), +}; + +struct imx_pll14xx_clk imx_1443x_pll __initdata = { + .type = PLL_1443X, + .rate_table = imx_pll1443x_tbl, + .rate_count = ARRAY_SIZE(imx_pll1443x_tbl), +}; +EXPORT_SYMBOL_GPL(imx_1443x_pll); + +struct imx_pll14xx_clk imx_1443x_dram_pll __initdata = { + .type = PLL_1443X, + .rate_table = imx_pll1443x_tbl, + .rate_count = ARRAY_SIZE(imx_pll1443x_tbl), + .flags = CLK_GET_RATE_NOCACHE, +}; +EXPORT_SYMBOL_GPL(imx_1443x_dram_pll); + +struct imx_pll14xx_clk imx_1416x_pll __initdata = { + .type = PLL_1416X, + .rate_table = imx_pll1416x_tbl, + .rate_count = ARRAY_SIZE(imx_pll1416x_tbl), +}; +EXPORT_SYMBOL_GPL(imx_1416x_pll); + static const struct imx_pll14xx_rate_table *imx_get_pll_settings( struct clk_pll14xx *pll, unsigned long rate) { diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 60f287046b9..0e1eaf03d41 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -41,6 +41,10 @@ struct imx_pll14xx_clk { int flags; }; +extern struct imx_pll14xx_clk imx_1416x_pll; +extern struct imx_pll14xx_clk imx_1443x_pll; +extern struct imx_pll14xx_clk imx_1443x_dram_pll; + struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, void __iomem *base, const struct imx_pll14xx_clk *pll_clk); -- cgit v1.3.1 From 7a2c3be95a509184d0f31bfbe4b18f44712b300d Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 1 Apr 2022 03:17:29 +0200 Subject: clk: imx8mp: Fill in DWC3 USB, USB PHY, HSIOMIX clock Add clock tables required to bring up DWC3 USB, USB PHY and HSIOMIX domain. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic --- drivers/clk/imx/clk-imx8mp.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers') diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index 31689e02927..4fd69124f03 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -26,6 +26,10 @@ static const char *imx8mp_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; +static const char *imx8mp_hsio_axi_sels[] = {"clock-osc-24m", "sys_pll2_500m", "sys_pll1_800m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext4", "audio_pll2_out", }; + static const char *imx8mp_main_axi_sels[] = {"clock-osc-24m", "sys_pll2_333m", "sys_pll1_800m", "sys_pll2_250m", "sys_pll2_1000m", "audio_pll1_out", "video_pll1_out", "sys_pll1_100m",}; @@ -106,6 +110,14 @@ static const char *imx8mp_uart4_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_ "sys_pll2_100m", "sys_pll3_out", "clk_ext2", "clk_ext3", "audio_pll2_out", }; +static const char *imx8mp_usb_core_ref_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + +static const char *imx8mp_usb_phy_ref_sels[] = {"clock-osc-24m", "sys_pll1_100m", "sys_pll1_40m", + "sys_pll2_100m", "sys_pll2_200m", "clk_ext2", + "clk_ext3", "audio_pll2_out", }; + static const char *imx8mp_gic_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_pll1_40m", "sys_pll2_100m", "sys_pll1_800m", "sys_pll2_500m", "clk_ext4", "audio_pll2_out" }; @@ -191,6 +203,8 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_SYS_PLL2_500M, imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2)); clk_dm(IMX8MP_SYS_PLL2_1000M, imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1)); + clk_dm(IMX8MP_CLK_24M, imx_clk_fixed_factor("clock-osc-24m", "osc_24m", 1, 1)); + base = dev_read_addr_ptr(dev); if (!base) return -EINVAL; @@ -199,6 +213,7 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_A53_CG, imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28)); clk_dm(IMX8MP_CLK_A53_DIV, imx_clk_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3)); + clk_dm(IMX8MP_CLK_HSIO_AXI, imx8m_clk_composite("hsio_axi", imx8mp_hsio_axi_sels, base + 0x8380)); clk_dm(IMX8MP_CLK_MAIN_AXI, imx8m_clk_composite_critical("main_axi", imx8mp_main_axi_sels, base + 0x8800)); clk_dm(IMX8MP_CLK_ENET_AXI, imx8m_clk_composite_critical("enet_axi", imx8mp_enet_axi_sels, base + 0x8880)); clk_dm(IMX8MP_CLK_NAND_USDHC_BUS, imx8m_clk_composite_critical("nand_usdhc_bus", imx8mp_nand_usdhc_sels, base + 0x8900)); @@ -228,6 +243,8 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_UART2, imx8m_clk_composite("uart2", imx8mp_uart2_sels, base + 0xaf80)); clk_dm(IMX8MP_CLK_UART3, imx8m_clk_composite("uart3", imx8mp_uart3_sels, base + 0xb000)); clk_dm(IMX8MP_CLK_UART4, imx8m_clk_composite("uart4", imx8mp_uart4_sels, base + 0xb080)); + clk_dm(IMX8MP_CLK_USB_CORE_REF, imx8m_clk_composite("usb_core_ref", imx8mp_usb_core_ref_sels, base + 0xb100)); + clk_dm(IMX8MP_CLK_USB_PHY_REF, imx8m_clk_composite("usb_phy_ref", imx8mp_usb_phy_ref_sels, base + 0xb180)); clk_dm(IMX8MP_CLK_GIC, imx8m_clk_composite_critical("gic", imx8mp_gic_sels, base + 0xb200)); clk_dm(IMX8MP_CLK_WDOG, imx8m_clk_composite("wdog", imx8mp_wdog_sels, base + 0xb900)); @@ -256,11 +273,14 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_UART2_ROOT, imx_clk_gate4("uart2_root_clk", "uart2", base + 0x44a0, 0)); clk_dm(IMX8MP_CLK_UART3_ROOT, imx_clk_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0)); clk_dm(IMX8MP_CLK_UART4_ROOT, imx_clk_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0)); + clk_dm(IMX8MP_CLK_USB_ROOT, imx_clk_gate4("usb_root_clk", "osc_32k", base + 0x44d0, 0)); + clk_dm(IMX8MP_CLK_USB_PHY_ROOT, imx_clk_gate4("usb_phy_root_clk", "usb_phy_ref", base + 0x44f0, 0)); clk_dm(IMX8MP_CLK_USDHC1_ROOT, imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0)); clk_dm(IMX8MP_CLK_USDHC2_ROOT, imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0)); clk_dm(IMX8MP_CLK_WDOG1_ROOT, imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0)); clk_dm(IMX8MP_CLK_WDOG2_ROOT, imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0)); clk_dm(IMX8MP_CLK_WDOG3_ROOT, imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0)); + clk_dm(IMX8MP_CLK_HSIO_ROOT, imx_clk_gate4("hsio_root_clk", "ipg_root", base + 0x45c0, 0)); clk_dm(IMX8MP_CLK_USDHC3_ROOT, imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0)); -- cgit v1.3.1 From 77ee5d35080450ce41245955b950989e52f146e3 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 1 Apr 2022 03:18:31 +0200 Subject: phy: phy-imx8mq-usb: Add support for i.MX8MP USB PHY Add initial support for i.MX8MP USB PHY, i.MX8MP USB is similar to the i.MX8MQ, except for clock and power domain design customization. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Tested-By: Tim Harvey #imx8mp-venice-gw74xx --- drivers/phy/Kconfig | 6 ++-- drivers/phy/phy-imx8mq-usb.c | 66 +++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 65 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index d79798429b1..c01d9e09b90 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -275,11 +275,11 @@ config PHY_MTK_TPHY so you can easily distinguish them by banks layout. config PHY_IMX8MQ_USB - bool "NXP i.MX8MQ USB PHY Driver" + bool "NXP i.MX8MQ/i.MX8MP USB PHY Driver" depends on PHY - depends on IMX8MQ + depends on IMX8MQ || IMX8MP help - Support the USB3.0 PHY in NXP i.MX8MQ SoC + Support the USB3.0 PHY in NXP i.MX8MQ or i.MX8MP SoC config PHY_XILINX_ZYNQMP tristate "Xilinx ZynqMP PHY driver" diff --git a/drivers/phy/phy-imx8mq-usb.c b/drivers/phy/phy-imx8mq-usb.c index afbc7ad8dd4..69f01de5553 100644 --- a/drivers/phy/phy-imx8mq-usb.c +++ b/drivers/phy/phy-imx8mq-usb.c @@ -9,7 +9,9 @@ #include #include #include +#include #include +#include #include #include @@ -68,17 +70,22 @@ #define PHY_STS0_FSVPLUS BIT(3) #define PHY_STS0_FSVMINUS BIT(2) +enum imx8mpq_phy_type { + IMX8MQ_PHY, + IMX8MP_PHY, +}; + struct imx8mq_usb_phy { #if CONFIG_IS_ENABLED(CLK) struct clk phy_clk; #endif void __iomem *base; + enum imx8mpq_phy_type type; }; static const struct udevice_id imx8mq_usb_phy_of_match[] = { - { - .compatible = "fsl,imx8mq-usb-phy", - }, + { .compatible = "fsl,imx8mq-usb-phy", .data = IMX8MQ_PHY }, + { .compatible = "fsl,imx8mp-usb-phy", .data = IMX8MP_PHY }, {}, }; @@ -111,6 +118,56 @@ static int imx8mq_usb_phy_init(struct phy *usb_phy) return 0; } +static int imx8mp_usb_phy_init(struct phy *usb_phy) +{ + struct udevice *dev = usb_phy->dev; + struct imx8mq_usb_phy *imx_phy = dev_get_priv(dev); + u32 value; + + /* USB3.0 PHY signal fsel for 24M ref */ + value = readl(imx_phy->base + PHY_CTRL0); + value &= ~PHY_CTRL0_FSEL_MASK; + value |= FIELD_PREP(PHY_CTRL0_FSEL_MASK, PHY_CTRL0_FSEL_24M); + writel(value, imx_phy->base + PHY_CTRL0); + + /* Disable alt_clk_en and use internal MPLL clocks */ + value = readl(imx_phy->base + PHY_CTRL6); + value &= ~(PHY_CTRL6_ALT_CLK_SEL | PHY_CTRL6_ALT_CLK_EN); + writel(value, imx_phy->base + PHY_CTRL6); + + value = readl(imx_phy->base + PHY_CTRL1); + value &= ~(PHY_CTRL1_VDATSRCENB0 | PHY_CTRL1_VDATDETENB0); + value |= PHY_CTRL1_RESET | PHY_CTRL1_ATERESET; + writel(value, imx_phy->base + PHY_CTRL1); + + value = readl(imx_phy->base + PHY_CTRL0); + value |= PHY_CTRL0_REF_SSP_EN; + writel(value, imx_phy->base + PHY_CTRL0); + + value = readl(imx_phy->base + PHY_CTRL2); + value |= PHY_CTRL2_TXENABLEN0 | PHY_CTRL2_OTG_DISABLE; + writel(value, imx_phy->base + PHY_CTRL2); + + udelay(10); + + value = readl(imx_phy->base + PHY_CTRL1); + value &= ~(PHY_CTRL1_RESET | PHY_CTRL1_ATERESET); + writel(value, imx_phy->base + PHY_CTRL1); + + return 0; +} + +static int imx8mpq_usb_phy_init(struct phy *usb_phy) +{ + struct udevice *dev = usb_phy->dev; + struct imx8mq_usb_phy *imx_phy = dev_get_priv(dev); + + if (imx_phy->type == IMX8MP_PHY) + return imx8mp_usb_phy_init(usb_phy); + else + return imx8mq_usb_phy_init(usb_phy); +} + static int imx8mq_usb_phy_power_on(struct phy *usb_phy) { struct udevice *dev = usb_phy->dev; @@ -158,7 +215,7 @@ static int imx8mq_usb_phy_exit(struct phy *usb_phy) } struct phy_ops imx8mq_usb_phy_ops = { - .init = imx8mq_usb_phy_init, + .init = imx8mpq_usb_phy_init, .power_on = imx8mq_usb_phy_power_on, .power_off = imx8mq_usb_phy_power_off, .exit = imx8mq_usb_phy_exit, @@ -168,6 +225,7 @@ int imx8mq_usb_phy_probe(struct udevice *dev) { struct imx8mq_usb_phy *priv = dev_get_priv(dev); + priv->type = dev_get_driver_data(dev); priv->base = dev_read_addr_ptr(dev); if (!priv->base) -- cgit v1.3.1 From 043d11a459dca142fed9f081e03295701aedaca4 Mon Sep 17 00:00:00 2001 From: Ye Li Date: Wed, 6 Apr 2022 14:30:16 +0800 Subject: misc: imx8ulp: Add OEM SRK Hash fuse support Since latest S400 firmware has supported to read OEM SRK Hash, add it to the driver's table Reviewed-by: Peng Fan Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/misc/imx8ulp/fuse.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/misc/imx8ulp/fuse.c b/drivers/misc/imx8ulp/fuse.c index d1feb62ab59..01db470e8f1 100644 --- a/drivers/misc/imx8ulp/fuse.c +++ b/drivers/misc/imx8ulp/fuse.c @@ -61,6 +61,7 @@ struct s400_map_entry s400_api_mapping_table[] = { { 1, 8 }, /* LOCK */ { 2, 8 }, /* ECID */ { 7, 4, 0, 1 }, /* OTP_UNIQ_ID */ + { 15, 8 }, /* OEM SRK HASH */ { 23, 1, 4, 2 }, /* OTFAD */ }; -- cgit v1.3.1 From a55ca506c969518e06eb8434f741eea2f5bfbe3e Mon Sep 17 00:00:00 2001 From: Clement Faure Date: Wed, 6 Apr 2022 14:30:19 +0800 Subject: misc: S400_API: add ahab_release_caam Add ahab_release_caam() function to the S400 API. Signed-off-by: Clement Faure Signed-off-by: Peng Fan --- arch/arm/include/asm/arch-imx8ulp/s400_api.h | 2 ++ drivers/misc/imx8ulp/s400_api.c | 29 ++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) (limited to 'drivers') diff --git a/arch/arm/include/asm/arch-imx8ulp/s400_api.h b/arch/arm/include/asm/arch-imx8ulp/s400_api.h index c848f0dfb8f..b788661b098 100644 --- a/arch/arm/include/asm/arch-imx8ulp/s400_api.h +++ b/arch/arm/include/asm/arch-imx8ulp/s400_api.h @@ -19,6 +19,7 @@ #define AHAB_READ_FUSE_REQ_CID 0x97 #define AHAB_RELEASE_RDC_REQ_CID 0xC4 #define AHAB_WRITE_FUSE_REQ_CID 0xD6 +#define AHAB_CAAM_RELEASE_CID 0xD7 #define S400_MAX_MSG 8U @@ -37,5 +38,6 @@ int ahab_verify_image(u32 img_id, u32 *response); int ahab_forward_lifecycle(u16 life_cycle, u32 *response); int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response); int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response); +int ahab_release_caam(u32 core_did, u32 *response); #endif diff --git a/drivers/misc/imx8ulp/s400_api.c b/drivers/misc/imx8ulp/s400_api.c index d76a95febe7..dd5f9f25da5 100644 --- a/drivers/misc/imx8ulp/s400_api.c +++ b/drivers/misc/imx8ulp/s400_api.c @@ -242,3 +242,32 @@ int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response) return ret; } + +int ahab_release_caam(u32 core_did, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 2; + msg.command = AHAB_CAAM_RELEASE_CID; + msg.data[0] = core_did; + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, response 0x%x\n", + __func__, ret, msg.data[0]); + + if (response) + *response = msg.data[0]; + + return ret; +} -- cgit v1.3.1 From 203412f66dd24ef96927068aef37123f97e482cf Mon Sep 17 00:00:00 2001 From: Ye Li Date: Wed, 6 Apr 2022 14:30:20 +0800 Subject: misc: S400_API: Update S400 API for buffer dump Add ahab_dump_buffer API to dump AHAB buffer for debug purpose Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/include/asm/arch-imx8ulp/s400_api.h | 3 ++- drivers/misc/imx8ulp/s400_api.c | 34 ++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/arch/arm/include/asm/arch-imx8ulp/s400_api.h b/arch/arm/include/asm/arch-imx8ulp/s400_api.h index b788661b098..1856659877e 100644 --- a/arch/arm/include/asm/arch-imx8ulp/s400_api.h +++ b/arch/arm/include/asm/arch-imx8ulp/s400_api.h @@ -21,7 +21,7 @@ #define AHAB_WRITE_FUSE_REQ_CID 0xD6 #define AHAB_CAAM_RELEASE_CID 0xD7 -#define S400_MAX_MSG 8U +#define S400_MAX_MSG 255U struct imx8ulp_s400_msg { u8 version; @@ -39,5 +39,6 @@ int ahab_forward_lifecycle(u16 life_cycle, u32 *response); int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response); int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response); int ahab_release_caam(u32 core_did, u32 *response); +int ahab_dump_buffer(u32 *buffer, u32 buffer_length); #endif diff --git a/drivers/misc/imx8ulp/s400_api.c b/drivers/misc/imx8ulp/s400_api.c index dd5f9f25da5..3ffdeb2ad2a 100644 --- a/drivers/misc/imx8ulp/s400_api.c +++ b/drivers/misc/imx8ulp/s400_api.c @@ -271,3 +271,37 @@ int ahab_release_caam(u32 core_did, u32 *response) return ret; } + +int ahab_dump_buffer(u32 *buffer, u32 buffer_length) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret, i = 0; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 1; + msg.command = AHAB_LOG_CID; + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) { + printf("Error: %s: ret %d, response 0x%x\n", + __func__, ret, msg.data[0]); + + return ret; + } + + if (buffer) { + buffer[i++] = *(u32 *)&msg; /* Need dump the response header */ + for (; i < buffer_length && i < msg.size; i++) + buffer[i] = msg.data[i - 1]; + } + + return i; +} -- cgit v1.3.1 From ed6ba46e3b004f58263d3c784b6b5981ebc65348 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 6 Apr 2022 14:30:31 +0800 Subject: misc: imx8ulp: Update fuse driver - According to S400 API, the fuse bank 25 (Testconfig2) is able to access. Add it into driver's mapping table. - According to FSB words list, the reserved 48 words are ahead of the bank 5 and bank 6. Fix the wrong position. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/misc/imx8ulp/fuse.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/misc/imx8ulp/fuse.c b/drivers/misc/imx8ulp/fuse.c index 01db470e8f1..090e702d9f7 100644 --- a/drivers/misc/imx8ulp/fuse.c +++ b/drivers/misc/imx8ulp/fuse.c @@ -34,9 +34,9 @@ struct s400_map_entry { struct fsb_map_entry fsb_mapping_table[] = { { 3, 8 }, { 4, 8 }, + { -1, 48 }, /* Reserve 48 words */ { 5, 8 }, { 6, 8 }, - { -1, 48 }, /* Reserve 48 words */ { 8, 4, true }, { 24, 4, true }, { 26, 4, true }, @@ -63,6 +63,7 @@ struct s400_map_entry s400_api_mapping_table[] = { { 7, 4, 0, 1 }, /* OTP_UNIQ_ID */ { 15, 8 }, /* OEM SRK HASH */ { 23, 1, 4, 2 }, /* OTFAD */ + { 25, 8 }, /* Test config2 */ }; static s32 map_fsb_fuse_index(u32 bank, u32 word, bool *redundancy) -- cgit v1.3.1 From f3b5100aff3a7edd53fd5d15bd6db92d294865e2 Mon Sep 17 00:00:00 2001 From: Philippe Schenker Date: Fri, 8 Apr 2022 10:07:10 +0200 Subject: regulator: fixed: add possibility to enable by clock This commit adds the possibility to choose the compatible "regulator-fixed-clock" in devicetree. This is a special case of regulator-fixed where a clock has to be used to switch the regulator on and off. Signed-off-by: Philippe Schenker Signed-off-by: Marcel Ziswiler --- drivers/power/regulator/fixed.c | 60 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 59 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/power/regulator/fixed.c b/drivers/power/regulator/fixed.c index d3e0fb672d9..90004d1601a 100644 --- a/drivers/power/regulator/fixed.c +++ b/drivers/power/regulator/fixed.c @@ -6,14 +6,21 @@ */ #include +#include #include #include +#include #include #include #include #include "regulator_common.h" +struct fixed_clock_regulator_plat { + struct clk *enable_clock; + unsigned int clk_enable_counter; +}; + static int fixed_regulator_of_to_plat(struct udevice *dev) { struct dm_regulator_uclass_plat *uc_pdata; @@ -71,6 +78,38 @@ static int fixed_regulator_set_enable(struct udevice *dev, bool enable) return regulator_common_set_enable(dev, dev_get_plat(dev), enable); } +static int fixed_clock_regulator_get_enable(struct udevice *dev) +{ + struct fixed_clock_regulator_plat *priv = dev_get_priv(dev); + + return priv->clk_enable_counter > 0; +} + +static int fixed_clock_regulator_set_enable(struct udevice *dev, bool enable) +{ + struct fixed_clock_regulator_plat *priv = dev_get_priv(dev); + struct regulator_common_plat *dev_pdata = dev_get_plat(dev); + int ret = 0; + + if (enable) { + ret = clk_enable(priv->enable_clock); + priv->clk_enable_counter++; + } else { + ret = clk_disable(priv->enable_clock); + priv->clk_enable_counter--; + } + if (ret) + return ret; + + if (enable && dev_pdata->startup_delay_us) + udelay(dev_pdata->startup_delay_us); + + if (!enable && dev_pdata->off_on_delay_us) + udelay(dev_pdata->off_on_delay_us); + + return ret; +} + static const struct dm_regulator_ops fixed_regulator_ops = { .get_value = fixed_regulator_get_value, .get_current = fixed_regulator_get_current, @@ -78,16 +117,35 @@ static const struct dm_regulator_ops fixed_regulator_ops = { .set_enable = fixed_regulator_set_enable, }; +static const struct dm_regulator_ops fixed_clock_regulator_ops = { + .get_enable = fixed_clock_regulator_get_enable, + .set_enable = fixed_clock_regulator_set_enable, +}; + static const struct udevice_id fixed_regulator_ids[] = { { .compatible = "regulator-fixed" }, { }, }; +static const struct udevice_id fixed_clock_regulator_ids[] = { + { .compatible = "regulator-fixed-clock" }, + { }, +}; + U_BOOT_DRIVER(regulator_fixed) = { .name = "regulator_fixed", .id = UCLASS_REGULATOR, .ops = &fixed_regulator_ops, .of_match = fixed_regulator_ids, .of_to_plat = fixed_regulator_of_to_plat, - .plat_auto = sizeof(struct regulator_common_plat), + .plat_auto = sizeof(struct regulator_common_plat), +}; + +U_BOOT_DRIVER(regulator_fixed_clock) = { + .name = "regulator_fixed_clk", + .id = UCLASS_REGULATOR, + .ops = &fixed_clock_regulator_ops, + .of_match = fixed_clock_regulator_ids, + .of_to_plat = fixed_regulator_of_to_plat, + .plat_auto = sizeof(struct fixed_clock_regulator_plat), }; -- cgit v1.3.1 From 2c432563dfd0f9976eb9d962bff726ae7b497ae7 Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:05 +0100 Subject: drivers: pwm: pwm-imx: move pwm-imx-util into pwm-imx Move pwm_imx_get_parms, pwm_id_to_reg functions into pwm-imx.c and drop off pwm-imx-util.c Signed-off-by: Tommaso Merciai --- drivers/pwm/Makefile | 2 +- drivers/pwm/pwm-imx-util.c | 80 ---------------------------------------------- drivers/pwm/pwm-imx-util.h | 15 --------- drivers/pwm/pwm-imx.c | 67 +++++++++++++++++++++++++++++++++++++- 4 files changed, 67 insertions(+), 97 deletions(-) delete mode 100644 drivers/pwm/pwm-imx-util.c delete mode 100644 drivers/pwm/pwm-imx-util.h (limited to 'drivers') diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile index bd119a666a9..e4d10c8dc3e 100644 --- a/drivers/pwm/Makefile +++ b/drivers/pwm/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_PWM_AT91) += pwm-at91.o obj-$(CONFIG_PWM_CADENCE_TTC) += pwm-cadence-ttc.o obj-$(CONFIG_PWM_CROS_EC) += cros_ec_pwm.o obj-$(CONFIG_PWM_EXYNOS) += exynos_pwm.o -obj-$(CONFIG_PWM_IMX) += pwm-imx.o pwm-imx-util.o +obj-$(CONFIG_PWM_IMX) += pwm-imx.o obj-$(CONFIG_PWM_MESON) += pwm-meson.o obj-$(CONFIG_PWM_MTK) += pwm-mtk.o obj-$(CONFIG_PWM_ROCKCHIP) += rk_pwm.o diff --git a/drivers/pwm/pwm-imx-util.c b/drivers/pwm/pwm-imx-util.c deleted file mode 100644 index 823a9d2d6bf..00000000000 --- a/drivers/pwm/pwm-imx-util.c +++ /dev/null @@ -1,80 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * (C) Copyright 2014 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * Basic support for the pwm module on imx6. - * - * Based on linux:drivers/pwm/pwm-imx.c - * from - * Sascha Hauer - */ - -#include -#include -#include - -/* pwm_id from 0..7 */ -struct pwm_regs *pwm_id_to_reg(int pwm_id) -{ - switch (pwm_id) { - case 0: - return (struct pwm_regs *)PWM1_BASE_ADDR; - case 1: - return (struct pwm_regs *)PWM2_BASE_ADDR; -#ifdef CONFIG_MX6 - case 2: - return (struct pwm_regs *)PWM3_BASE_ADDR; - case 3: - return (struct pwm_regs *)PWM4_BASE_ADDR; -#endif -#ifdef CONFIG_MX6SX - case 4: - return (struct pwm_regs *)PWM5_BASE_ADDR; - case 5: - return (struct pwm_regs *)PWM6_BASE_ADDR; - case 6: - return (struct pwm_regs *)PWM7_BASE_ADDR; - case 7: - return (struct pwm_regs *)PWM8_BASE_ADDR; -#endif - default: - printf("unknown pwm_id: %d\n", pwm_id); - break; - } - return NULL; -} - -int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c, - unsigned long *duty_c, unsigned long *prescale) -{ - unsigned long long c; - - /* - * we have not yet a clock framework for imx6, so add the clock - * value here as a define. Replace it when we have the clock - * framework. - */ - c = CONFIG_IMX6_PWM_PER_CLK; - c = c * period_ns; - do_div(c, 1000000000); - *period_c = c; - - *prescale = *period_c / 0x10000 + 1; - - *period_c /= *prescale; - c = *period_c * (unsigned long long)duty_ns; - do_div(c, period_ns); - *duty_c = c; - - /* - * according to imx pwm RM, the real period value should be - * PERIOD value in PWMPR plus 2. - */ - if (*period_c > 2) - *period_c -= 2; - else - *period_c = 0; - - return 0; -} diff --git a/drivers/pwm/pwm-imx-util.h b/drivers/pwm/pwm-imx-util.h deleted file mode 100644 index 82c61d774d3..00000000000 --- a/drivers/pwm/pwm-imx-util.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * (C) Copyright 2014 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * Basic support for the pwm module on imx6. - */ - -#ifndef _pwm_imx_util_h_ -#define _pwm_imx_util_h_ - -struct pwm_regs *pwm_id_to_reg(int pwm_id); -int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c, - unsigned long *duty_c, unsigned long *prescale); -#endif diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index ce1290aa7df..1d656e726f5 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -13,7 +13,6 @@ #include #include #include -#include "pwm-imx-util.h" int pwm_init(int pwm_id, int div, int invert) { @@ -45,6 +44,72 @@ int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles, return 0; } +/* pwm_id from 0..7 */ +struct pwm_regs *pwm_id_to_reg(int pwm_id) +{ + + switch (pwm_id) { + case 0: + return (struct pwm_regs *)PWM1_BASE_ADDR; + case 1: + return (struct pwm_regs *)PWM2_BASE_ADDR; +#ifdef CONFIG_MX6 + case 2: + return (struct pwm_regs *)PWM3_BASE_ADDR; + case 3: + return (struct pwm_regs *)PWM4_BASE_ADDR; +#endif +#ifdef CONFIG_MX6SX + case 4: + return (struct pwm_regs *)PWM5_BASE_ADDR; + case 5: + return (struct pwm_regs *)PWM6_BASE_ADDR; + case 6: + return (struct pwm_regs *)PWM7_BASE_ADDR; + case 7: + return (struct pwm_regs *)PWM8_BASE_ADDR; +#endif + default: + printf("unknown pwm_id: %d\n", pwm_id); + break; + } + return NULL; +} + +int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c, + unsigned long *duty_c, unsigned long *prescale) +{ + unsigned long long c; + + /* + * we have not yet a clock framework for imx6, so add the clock + * value here as a define. Replace it when we have the clock + * framework. + */ + c = CONFIG_IMX6_PWM_PER_CLK; + c = c * period_ns; + do_div(c, 1000000000); + *period_c = c; + + *prescale = *period_c / 0x10000 + 1; + + *period_c /= *prescale; + c = *period_c * (unsigned long long)duty_ns; + do_div(c, period_ns); + *duty_c = c; + + /* + * according to imx pwm RM, the real period value should be + * PERIOD value in PWMPR plus 2. + */ + if (*period_c > 2) + *period_c -= 2; + else + *period_c = 0; + + return 0; +} + int pwm_config(int pwm_id, int duty_ns, int period_ns) { struct pwm_regs *pwm = (struct pwm_regs *)pwm_id_to_reg(pwm_id); -- cgit v1.3.1 From d1016610878f2be45edd580867b1980acb0e3745 Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Sat, 26 Mar 2022 12:19:08 +0100 Subject: driver: pwm: pwm-imx: separe dm from non dm implementation Separe dm implementation from non dm implementation of pwm-imx driver using CONFIG_DM_PWM Signed-off-by: Tommaso Merciai --- drivers/pwm/pwm-imx.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 1d656e726f5..9b8a8c189d0 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -13,17 +13,6 @@ #include #include #include - -int pwm_init(int pwm_id, int div, int invert) -{ - struct pwm_regs *pwm = (struct pwm_regs *)pwm_id_to_reg(pwm_id); - - if (!pwm) - return -1; - - writel(0, &pwm->ir); - return 0; -} #include int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles, @@ -44,6 +33,7 @@ int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles, return 0; } +#ifndef CONFIG_DM_PWM /* pwm_id from 0..7 */ struct pwm_regs *pwm_id_to_reg(int pwm_id) { @@ -110,6 +100,17 @@ int pwm_imx_get_parms(int period_ns, int duty_ns, unsigned long *period_c, return 0; } +int pwm_init(int pwm_id, int div, int invert) +{ + struct pwm_regs *pwm = (struct pwm_regs *)pwm_id_to_reg(pwm_id); + + if (!pwm) + return -1; + + writel(0, &pwm->ir); + return 0; +} + int pwm_config(int pwm_id, int duty_ns, int period_ns) { struct pwm_regs *pwm = (struct pwm_regs *)pwm_id_to_reg(pwm_id); @@ -145,7 +146,7 @@ void pwm_disable(int pwm_id) clrbits_le32(&pwm->cr, PWMCR_EN); } -#if defined(CONFIG_DM_PWM) +#else struct imx_pwm_priv { struct pwm_regs *regs; bool invert; -- cgit v1.3.1 From 01c67a381c3e7dc70ad75b4d69ae3c82dff5afa8 Mon Sep 17 00:00:00 2001 From: Ariel D'Alessandro Date: Tue, 12 Apr 2022 10:31:34 -0300 Subject: phy: nxp-c45-tja11xx: Rename functions to be c45 tja11xx specific This driver supports NXP C45 TJA11XX PHYs, but there're also other NXP TJA11XX PHYs. Let's rename functions in this driver to be c45 variant specific, so further drivers can be introduced adding support for NXP TJA11XX PHYs. Signed-off-by: Ariel D'Alessandro --- drivers/net/phy/nxp-c45-tja11xx.c | 6 +++--- drivers/net/phy/phy.c | 2 +- include/phy.h | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index f86e31f0d9e..a0f41fab698 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -330,7 +330,7 @@ static int nxp_c45_probe(struct phy_device *phydev) return 0; } -static struct phy_driver nxp_tja11xx = { +static struct phy_driver nxp_c45_tja11xx = { .name = "NXP C45 TJA1103", .uid = PHY_ID_TJA_1103, .mask = 0xfffff0, @@ -341,8 +341,8 @@ static struct phy_driver nxp_tja11xx = { .shutdown = &genphy_shutdown, }; -int phy_nxp_tja11xx_init(void) +int phy_nxp_c45_tja11xx_init(void) { - phy_register(&nxp_tja11xx); + phy_register(&nxp_c45_tja11xx); return 0; } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d4731860f73..e61c9b8a178 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -530,7 +530,7 @@ int phy_init(void) phy_natsemi_init(); #endif #ifdef CONFIG_NXP_C45_TJA11XX_PHY - phy_nxp_tja11xx_init(); + phy_nxp_c45_tja11xx_init(); #endif #ifdef CONFIG_PHY_REALTEK phy_realtek_init(); diff --git a/include/phy.h b/include/phy.h index 5e3da4b01b6..807c2932fda 100644 --- a/include/phy.h +++ b/include/phy.h @@ -553,7 +553,7 @@ int phy_micrel_ksz8xxx_init(void); int phy_micrel_ksz90x1_init(void); int phy_meson_gxl_init(void); int phy_natsemi_init(void); -int phy_nxp_tja11xx_init(void); +int phy_nxp_c45_tja11xx_init(void); int phy_realtek_init(void); int phy_smsc_init(void); int phy_teranetics_init(void); -- cgit v1.3.1 From d7db0e6df3e42a5d47bac4d3b7a9e6c13ac08ec9 Mon Sep 17 00:00:00 2001 From: Ariel D'Alessandro Date: Tue, 12 Apr 2022 10:31:35 -0300 Subject: iopoll: Extend read_poll_timeout macro to support variable parameters This macro currently supports only one parameter. Based on Linux iopoll, let's extend read_poll_timeout common API to allow multiple variable parameters. Signed-off-by: Ariel D'Alessandro --- arch/arm/mach-socfpga/reset_manager_s10.c | 20 +++++++++++--------- drivers/mmc/rockchip_sdhci.c | 9 +++++---- include/linux/iopoll.h | 12 ++++++------ 3 files changed, 22 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/arch/arm/mach-socfpga/reset_manager_s10.c b/arch/arm/mach-socfpga/reset_manager_s10.c index d2337bd4d62..f47fec10a0c 100644 --- a/arch/arm/mach-socfpga/reset_manager_s10.c +++ b/arch/arm/mach-socfpga/reset_manager_s10.c @@ -80,9 +80,9 @@ void socfpga_bridges_reset(int enable) ~0); /* Poll until all idleack to 0 */ - read_poll_timeout(readl, socfpga_get_sysmgr_addr() + - SYSMGR_SOC64_NOC_IDLEACK, reg, !reg, 1000, - 300000); + read_poll_timeout(readl, reg, !reg, 1000, 300000, + socfpga_get_sysmgr_addr() + + SYSMGR_SOC64_NOC_IDLEACK); } else { /* set idle request to all bridges */ writel(~0, @@ -93,18 +93,20 @@ void socfpga_bridges_reset(int enable) writel(1, socfpga_get_sysmgr_addr() + SYSMGR_SOC64_NOC_TIMEOUT); /* Poll until all idleack to 1 */ - read_poll_timeout(readl, socfpga_get_sysmgr_addr() + - SYSMGR_SOC64_NOC_IDLEACK, reg, + read_poll_timeout(readl, reg, reg == (SYSMGR_NOC_H2F_MSK | SYSMGR_NOC_LWH2F_MSK), - 1000, 300000); + 1000, 300000, + socfpga_get_sysmgr_addr() + + SYSMGR_SOC64_NOC_IDLEACK); /* Poll until all idlestatus to 1 */ - read_poll_timeout(readl, socfpga_get_sysmgr_addr() + - SYSMGR_SOC64_NOC_IDLESTATUS, reg, + read_poll_timeout(readl, reg, reg == (SYSMGR_NOC_H2F_MSK | SYSMGR_NOC_LWH2F_MSK), - 1000, 300000); + 1000, 300000, + socfpga_get_sysmgr_addr() + + SYSMGR_SOC64_NOC_IDLESTATUS); /* Reset all bridges (except NOR DDR scheduler & F2S) */ setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_SOC64_BRGMODRST, diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index f3f9d83ba36..1fdc8415178 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -202,8 +202,8 @@ static void rk3399_emmc_phy_power_on(struct rockchip_emmc_phy *phy, u32 clock) /* REN Enable on STRB Line for HS400 */ writel(RK_CLRSETBITS(0, 1 << 9), &phy->emmcphy_con[2]); - read_poll_timeout(readl, &phy->emmcphy_status, dllrdy, - PHYCTRL_DLL_LOCK_WO_TMOUT(dllrdy), 1, 5000); + read_poll_timeout(readl, dllrdy, PHYCTRL_DLL_LOCK_WO_TMOUT(dllrdy), 1, + 5000, &phy->emmcphy_status); } static void rk3399_emmc_phy_power_off(struct rockchip_emmc_phy *phy) @@ -328,8 +328,9 @@ static int rk3568_sdhci_emmc_set_clock(struct sdhci_host *host, unsigned int clo DWCMSHC_EMMC_DLL_START; sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_CTRL); - ret = read_poll_timeout(readl, host->ioaddr + DWCMSHC_EMMC_DLL_STATUS0, - val, DLL_LOCK_WO_TMOUT(val), 1, 500); + ret = read_poll_timeout(readl, val, DLL_LOCK_WO_TMOUT(val), 1, + 500, + host->ioaddr + DWCMSHC_EMMC_DLL_STATUS0); if (ret) return ret; diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index 30cdea0cdc1..0ee2bddaa83 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -14,11 +14,11 @@ /** * read_poll_timeout - Periodically poll an address until a condition is met or a timeout occurs * @op: accessor function (takes @addr as its only argument) - * @addr: Address to poll * @val: Variable to read the value into * @cond: Break condition (usually involving @val) * @sleep_us: Maximum time to sleep in us * @timeout_us: Timeout in us, 0 means never timeout + * @args: arguments for @op poll * * Returns 0 on success and -ETIMEDOUT upon a timeout. In either * case, the last read value at @addr is stored in @val. @@ -26,15 +26,15 @@ * When available, you'll probably want to use one of the specialized * macros defined below rather than this macro directly. */ -#define read_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) \ +#define read_poll_timeout(op, val, cond, sleep_us, timeout_us, args...) \ ({ \ unsigned long timeout = timer_get_us() + timeout_us; \ for (;;) { \ - (val) = op(addr); \ + (val) = op(args); \ if (cond) \ break; \ if (timeout_us && time_after(timer_get_us(), timeout)) { \ - (val) = op(addr); \ + (val) = op(args); \ break; \ } \ if (sleep_us) \ @@ -44,13 +44,13 @@ }) #define readx_poll_sleep_timeout(op, addr, val, cond, sleep_us, timeout_us) \ - read_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) + read_poll_timeout(op, val, cond, sleep_us, timeout_us, addr) #define readl_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \ readx_poll_sleep_timeout(readl, addr, val, cond, sleep_us, timeout_us) #define readx_poll_timeout(op, addr, val, cond, timeout_us) \ - read_poll_timeout(op, addr, val, cond, false, timeout_us) + read_poll_timeout(op, val, cond, false, timeout_us, addr) #define readb_poll_timeout(addr, val, cond, timeout_us) \ readx_poll_timeout(readb, addr, val, cond, timeout_us) -- cgit v1.3.1 From 087baf80ec70660b71ea578b20f357c24deb2ed4 Mon Sep 17 00:00:00 2001 From: Ariel D'Alessandro Date: Tue, 12 Apr 2022 10:31:36 -0300 Subject: net: phy: Add phy_modify() accessor Add read-modify-write unlocked accessor for accessing a PHY register. Signed-off-by: Ariel D'Alessandro Reviewed-by: Ramon Fried --- drivers/net/phy/phy.c | 20 ++++++++++++++++++++ include/phy.h | 2 ++ 2 files changed, 22 insertions(+) (limited to 'drivers') diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index e61c9b8a178..50448cf62c4 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1110,3 +1110,23 @@ int phy_get_interface_by_name(const char *str) return -1; } + +/** + * phy_modify - Convenience function for modifying a given PHY register + * @phydev: the phy_device struct + * @devad: The MMD to read from + * @regnum: register number to write + * @mask: bit mask of bits to clear + * @set: new value of bits set in mask to write to @regnum + */ +int phy_modify(struct phy_device *phydev, int devad, int regnum, u16 mask, + u16 set) +{ + int ret; + + ret = phy_read(phydev, devad, regnum); + if (ret < 0) + return ret; + + return phy_write(phydev, devad, regnum, (ret & ~mask) | set); +} diff --git a/include/phy.h b/include/phy.h index 807c2932fda..1a30aee5421 100644 --- a/include/phy.h +++ b/include/phy.h @@ -526,6 +526,8 @@ int phy_config(struct phy_device *phydev); int phy_shutdown(struct phy_device *phydev); int phy_register(struct phy_driver *drv); int phy_set_supported(struct phy_device *phydev, u32 max_speed); +int phy_modify(struct phy_device *phydev, int devad, int regnum, u16 mask, + u16 set); int genphy_config_aneg(struct phy_device *phydev); int genphy_restart_aneg(struct phy_device *phydev); int genphy_update_link(struct phy_device *phydev); -- cgit v1.3.1 From a2f5c9366a42572f9d4aa49174ac117408bf7c12 Mon Sep 17 00:00:00 2001 From: Michael Trimarchi Date: Tue, 12 Apr 2022 10:31:37 -0300 Subject: net: phy: nxp-tja11xx: Add NXP TJA11xx PHY driver Add driver for the NXP TJA1100 and TJA1101 PHYs. These PHYs are special BroadRReach 100BaseT1 PHYs used in automotive. Signed-off-by: Michael Trimarchi Signed-off-by: Ariel D'Alessandro Reviewed-by: Ramon Fried --- drivers/net/phy/Kconfig | 5 + drivers/net/phy/Makefile | 1 + drivers/net/phy/nxp-tja11xx.c | 277 ++++++++++++++++++++++++++++++++++++++++++ drivers/net/phy/phy.c | 3 + include/phy.h | 1 + 5 files changed, 287 insertions(+) create mode 100644 drivers/net/phy/nxp-tja11xx.c (limited to 'drivers') diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 014a4de223e..d40ce92cadc 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -215,6 +215,11 @@ config PHY_NXP_C45_TJA11XX Enable support for NXP C45 TJA11XX PHYs. Currently supports only the TJA1103 PHY. +config PHY_NXP_TJA11XX + bool "NXP TJA11XX Ethernet PHYs support" + help + Currently supports the NXP TJA1100 and TJA1101 PHY. + config PHY_REALTEK bool "Realtek Ethernet PHYs support" diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index b28440bc4e5..67ca4d3a69f 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_PHY_MICREL_KSZ90X1) += micrel_ksz90x1.o obj-$(CONFIG_PHY_MESON_GXL) += meson-gxl.o obj-$(CONFIG_PHY_NATSEMI) += natsemi.o obj-$(CONFIG_PHY_NXP_C45_TJA11XX) += nxp-c45-tja11xx.o +obj-$(CONFIG_PHY_NXP_TJA11XX) += nxp-tja11xx.o obj-$(CONFIG_PHY_REALTEK) += realtek.o obj-$(CONFIG_PHY_SMSC) += smsc.o obj-$(CONFIG_PHY_TERANETICS) += teranetics.o diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c new file mode 100644 index 00000000000..30dec5e605b --- /dev/null +++ b/drivers/net/phy/nxp-tja11xx.c @@ -0,0 +1,277 @@ +// SPDX-License-Identifier: GPL-2.0 +/* NXP TJA1100 BroadRReach PHY driver + * + * Copyright (C) 2022 Michael Trimarchi + * Copyright (C) 2022 Ariel D'Alessandro + * Copyright (C) 2018 Marek Vasut + */ + +#include +#include +#include +#include +#include + +#define PHY_ID_MASK 0xfffffff0 +#define PHY_ID_TJA1100 0x0180dc40 +#define PHY_ID_TJA1101 0x0180dd00 + +#define MII_ECTRL 17 +#define MII_ECTRL_LINK_CONTROL BIT(15) +#define MII_ECTRL_POWER_MODE_MASK GENMASK(14, 11) +#define MII_ECTRL_POWER_MODE_NO_CHANGE (0x0 << 11) +#define MII_ECTRL_POWER_MODE_NORMAL (0x3 << 11) +#define MII_ECTRL_POWER_MODE_STANDBY (0xc << 11) +#define MII_ECTRL_CABLE_TEST BIT(5) +#define MII_ECTRL_CONFIG_EN BIT(2) +#define MII_ECTRL_WAKE_REQUEST BIT(0) + +#define MII_CFG1 18 +#define MII_CFG1_MASTER_SLAVE BIT(15) +#define MII_CFG1_AUTO_OP BIT(14) +#define MII_CFG1_SLEEP_CONFIRM BIT(6) +#define MII_CFG1_LED_MODE_MASK GENMASK(5, 4) +#define MII_CFG1_LED_MODE_LINKUP 0 +#define MII_CFG1_LED_ENABLE BIT(3) + +#define MII_CFG2 19 +#define MII_CFG2_SLEEP_REQUEST_TO GENMASK(1, 0) +#define MII_CFG2_SLEEP_REQUEST_TO_16MS 0x3 + +#define MII_INTSRC 21 +#define MII_INTSRC_LINK_FAIL BIT(10) +#define MII_INTSRC_LINK_UP BIT(9) +#define MII_INTSRC_MASK (MII_INTSRC_LINK_FAIL | \ + MII_INTSRC_LINK_UP) +#define MII_INTSRC_UV_ERR BIT(3) +#define MII_INTSRC_TEMP_ERR BIT(1) + +#define MII_INTEN 22 +#define MII_INTEN_LINK_FAIL BIT(10) +#define MII_INTEN_LINK_UP BIT(9) +#define MII_INTEN_UV_ERR BIT(3) +#define MII_INTEN_TEMP_ERR BIT(1) + +#define MII_COMMSTAT 23 +#define MII_COMMSTAT_LINK_UP BIT(15) +#define MII_COMMSTAT_SQI_STATE GENMASK(7, 5) +#define MII_COMMSTAT_SQI_MAX 7 + +#define MII_GENSTAT 24 +#define MII_GENSTAT_PLL_LOCKED BIT(14) + +#define MII_EXTSTAT 25 +#define MII_EXTSTAT_SHORT_DETECT BIT(8) +#define MII_EXTSTAT_OPEN_DETECT BIT(7) +#define MII_EXTSTAT_POLARITY_DETECT BIT(6) + +#define MII_COMMCFG 27 +#define MII_COMMCFG_AUTO_OP BIT(15) + +static inline int tja11xx_set_bits(struct phy_device *phydev, u32 regnum, + u16 val) +{ + return phy_set_bits_mmd(phydev, MDIO_DEVAD_NONE, regnum, val); +} + +static inline int tja11xx_clear_bits(struct phy_device *phydev, u32 regnum, + u16 val) +{ + return phy_clear_bits_mmd(phydev, MDIO_DEVAD_NONE, regnum, val); +} + +static inline int tja11xx_read(struct phy_device *phydev, int regnum) +{ + return phy_read(phydev, MDIO_DEVAD_NONE, regnum); +} + +static inline int tja11xx_modify(struct phy_device *phydev, int regnum, + u16 mask, u16 set) +{ + return phy_modify(phydev, MDIO_DEVAD_NONE, regnum, mask, set); +} + +static int tja11xx_check(struct phy_device *phydev, u8 reg, u16 mask, u16 set) +{ + int val; + + return read_poll_timeout(tja11xx_read, val, (val & mask) == set, 150, + 30000, phydev, reg); +} + +static int tja11xx_modify_check(struct phy_device *phydev, u8 reg, + u16 mask, u16 set) +{ + int ret; + + ret = tja11xx_modify(phydev, reg, mask, set); + if (ret) + return ret; + + return tja11xx_check(phydev, reg, mask, set); +} + +static int tja11xx_enable_reg_write(struct phy_device *phydev) +{ + return tja11xx_set_bits(phydev, MII_ECTRL, MII_ECTRL_CONFIG_EN); +} + +static int tja11xx_enable_link_control(struct phy_device *phydev) +{ + return tja11xx_set_bits(phydev, MII_ECTRL, MII_ECTRL_LINK_CONTROL); +} + +static int tja11xx_wakeup(struct phy_device *phydev) +{ + int ret; + + ret = tja11xx_read(phydev, MII_ECTRL); + if (ret < 0) + return ret; + + switch (ret & MII_ECTRL_POWER_MODE_MASK) { + case MII_ECTRL_POWER_MODE_NO_CHANGE: + break; + case MII_ECTRL_POWER_MODE_NORMAL: + ret = tja11xx_set_bits(phydev, MII_ECTRL, + MII_ECTRL_WAKE_REQUEST); + if (ret) + return ret; + + ret = tja11xx_clear_bits(phydev, MII_ECTRL, + MII_ECTRL_WAKE_REQUEST); + if (ret) + return ret; + break; + case MII_ECTRL_POWER_MODE_STANDBY: + ret = tja11xx_modify_check(phydev, MII_ECTRL, + MII_ECTRL_POWER_MODE_MASK, + MII_ECTRL_POWER_MODE_STANDBY); + if (ret) + return ret; + + ret = tja11xx_modify(phydev, MII_ECTRL, + MII_ECTRL_POWER_MODE_MASK, + MII_ECTRL_POWER_MODE_NORMAL); + if (ret) + return ret; + + ret = tja11xx_modify_check(phydev, MII_GENSTAT, + MII_GENSTAT_PLL_LOCKED, + MII_GENSTAT_PLL_LOCKED); + if (ret) + return ret; + + return tja11xx_enable_link_control(phydev); + default: + break; + } + + return 0; +} + +static int tja11xx_config_init(struct phy_device *phydev) +{ + int ret; + + ret = tja11xx_enable_reg_write(phydev); + if (ret) + return ret; + + phydev->autoneg = AUTONEG_DISABLE; + phydev->speed = SPEED_100; + phydev->duplex = DUPLEX_FULL; + + switch (phydev->phy_id & PHY_ID_MASK) { + case PHY_ID_TJA1100: + ret = tja11xx_modify(phydev, MII_CFG1, + MII_CFG1_AUTO_OP | MII_CFG1_LED_MODE_MASK | + MII_CFG1_LED_ENABLE, + MII_CFG1_AUTO_OP | + MII_CFG1_LED_MODE_LINKUP | + MII_CFG1_LED_ENABLE); + if (ret) + return ret; + break; + case PHY_ID_TJA1101: + ret = tja11xx_set_bits(phydev, MII_COMMCFG, + MII_COMMCFG_AUTO_OP); + if (ret) + return ret; + break; + default: + return -EINVAL; + } + + ret = tja11xx_clear_bits(phydev, MII_CFG1, MII_CFG1_SLEEP_CONFIRM); + if (ret) + return ret; + + ret = tja11xx_modify(phydev, MII_CFG2, MII_CFG2_SLEEP_REQUEST_TO, + MII_CFG2_SLEEP_REQUEST_TO_16MS); + if (ret) + return ret; + + ret = tja11xx_wakeup(phydev); + if (ret < 0) + return ret; + + /* ACK interrupts by reading the status register */ + ret = tja11xx_read(phydev, MII_INTSRC); + if (ret < 0) + return ret; + + return 0; +} + +static int tja11xx_startup(struct phy_device *phydev) +{ + int ret; + + ret = genphy_update_link(phydev); + if (ret) + return ret; + + ret = tja11xx_read(phydev, MII_CFG1); + if (ret < 0) + return ret; + + if (phydev->link) { + ret = tja11xx_read(phydev, MII_COMMSTAT); + if (ret < 0) + return ret; + + if (!(ret & MII_COMMSTAT_LINK_UP)) + phydev->link = 0; + } + + return 0; +} + +static struct phy_driver TJA1100_driver = { + .name = "NXP TJA1100", + .uid = PHY_ID_TJA1100, + .mask = PHY_ID_MASK, + .features = PHY_BASIC_FEATURES, + .config = &tja11xx_config_init, + .startup = &tja11xx_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver TJA1101_driver = { + .name = "NXP TJA1101", + .uid = PHY_ID_TJA1101, + .mask = PHY_ID_MASK, + .features = PHY_BASIC_FEATURES, + .config = &tja11xx_config_init, + .startup = &tja11xx_startup, + .shutdown = &genphy_shutdown, +}; + +int phy_nxp_tja11xx_init(void) +{ + phy_register(&TJA1100_driver); + phy_register(&TJA1101_driver); + + return 0; +} diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 50448cf62c4..36722620f0c 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -532,6 +532,9 @@ int phy_init(void) #ifdef CONFIG_NXP_C45_TJA11XX_PHY phy_nxp_c45_tja11xx_init(); #endif +#ifdef CONFIG_PHY_NXP_TJA11XX + phy_nxp_tja11xx_init(); +#endif #ifdef CONFIG_PHY_REALTEK phy_realtek_init(); #endif diff --git a/include/phy.h b/include/phy.h index 1a30aee5421..528839a33de 100644 --- a/include/phy.h +++ b/include/phy.h @@ -556,6 +556,7 @@ int phy_micrel_ksz90x1_init(void); int phy_meson_gxl_init(void); int phy_natsemi_init(void); int phy_nxp_c45_tja11xx_init(void); +int phy_nxp_tja11xx_init(void); int phy_realtek_init(void); int phy_smsc_init(void); int phy_teranetics_init(void); -- cgit v1.3.1 From e1aad512a61f240280a3ee329117fb4c288f570d Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Wed, 9 Mar 2022 04:18:57 +0100 Subject: spi: nxp_fspi: Add i.MX8MP compatible string The i.MX8M Mini and i.MX8M Plus flexspi IPs are compatible with one another, however the linux kernel DT uses separate compatible string for each SoC. Add the missing i.MX8MP compatible into this driver. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Peng Fan --- drivers/spi/nxp_fspi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/spi/nxp_fspi.c b/drivers/spi/nxp_fspi.c index b7c922b1dfd..607c953987b 100644 --- a/drivers/spi/nxp_fspi.c +++ b/drivers/spi/nxp_fspi.c @@ -1053,6 +1053,7 @@ static const struct dm_spi_ops nxp_fspi_ops = { static const struct udevice_id nxp_fspi_ids[] = { { .compatible = "nxp,lx2160a-fspi", .data = (ulong)&lx2160a_data, }, { .compatible = "nxp,imx8mm-fspi", .data = (ulong)&imx8mm_data, }, + { .compatible = "nxp,imx8mp-fspi", .data = (ulong)&imx8mm_data, }, { } }; -- cgit v1.3.1 From c8009c15272e803ec5a720bff0f60723cd2b5a0d Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 10 Mar 2022 21:27:04 +0100 Subject: mmc: fsl_esdhc_imx: Add i.MX8MP compatible string Add compatible string for i.MX8MP, which permits i.MX8MP to use HS400ES mode, just like all the other i.MX8M. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Haibo Chen Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Fabio Estevam Reviewed-by: Peng Fan --- drivers/mmc/fsl_esdhc_imx.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index 02208a5ade4..893d7e241f2 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -1640,6 +1640,7 @@ static const struct udevice_id fsl_esdhc_ids[] = { { .compatible = "fsl,imx8qm-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imx8mm-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imx8mn-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, + { .compatible = "fsl,imx8mp-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imx8mq-usdhc", .data = (ulong)&usdhc_imx8qm_data,}, { .compatible = "fsl,imxrt-usdhc", }, { .compatible = "fsl,esdhc", }, -- cgit v1.3.1 From a2d6fbf5ff54cdeb2f75708e3551ee2df680a60c Mon Sep 17 00:00:00 2001 From: Jesse Taube Date: Thu, 17 Mar 2022 14:33:18 -0400 Subject: clk: imxrt: Use dts for anatop base address In Linux IMX and IMXRT use the device tree to hold the anatop address. The anatop is used in clock drivers as it controls the internal PLLs This will move the macro from asm/arch-imxrt to the device tree. This presumably should also be done with the other IMX boards as well. Signed-off-by: Jesse Taube --- arch/arm/dts/imxrt1020-evk-u-boot.dtsi | 4 ++++ arch/arm/dts/imxrt1020.dtsi | 5 +++++ arch/arm/dts/imxrt1050-evk-u-boot.dtsi | 4 ++++ arch/arm/dts/imxrt1050.dtsi | 5 +++++ arch/arm/include/asm/arch-imxrt/imx-regs.h | 2 -- drivers/clk/imx/clk-imxrt1020.c | 2 +- drivers/clk/imx/clk-imxrt1050.c | 2 +- 7 files changed, 20 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/arch/arm/dts/imxrt1020-evk-u-boot.dtsi b/arch/arm/dts/imxrt1020-evk-u-boot.dtsi index 121665a2d22..9e1b074d2e7 100644 --- a/arch/arm/dts/imxrt1020-evk-u-boot.dtsi +++ b/arch/arm/dts/imxrt1020-evk-u-boot.dtsi @@ -22,6 +22,10 @@ u-boot,dm-spl; }; +&anatop { + u-boot,dm-spl; +}; + &clks { u-boot,dm-spl; }; diff --git a/arch/arm/dts/imxrt1020.dtsi b/arch/arm/dts/imxrt1020.dtsi index 5ba314f9953..13511ebb18e 100644 --- a/arch/arm/dts/imxrt1020.dtsi +++ b/arch/arm/dts/imxrt1020.dtsi @@ -67,6 +67,11 @@ fsl,mux_mask = <0x7>; }; + anatop: anatop@400d8000 { + compatible = "fsl,imxrt-anatop"; + reg = <0x400d8000 0x4000>; + }; + clks: ccm@400fc000 { compatible = "fsl,imxrt1020-ccm"; reg = <0x400fc000 0x4000>; diff --git a/arch/arm/dts/imxrt1050-evk-u-boot.dtsi b/arch/arm/dts/imxrt1050-evk-u-boot.dtsi index 3168c2df2cf..617cece448a 100644 --- a/arch/arm/dts/imxrt1050-evk-u-boot.dtsi +++ b/arch/arm/dts/imxrt1050-evk-u-boot.dtsi @@ -22,6 +22,10 @@ u-boot,dm-spl; }; +&anatop { + u-boot,dm-spl; +}; + &clks { u-boot,dm-spl; }; diff --git a/arch/arm/dts/imxrt1050.dtsi b/arch/arm/dts/imxrt1050.dtsi index 6560a3827f0..09f4712af68 100644 --- a/arch/arm/dts/imxrt1050.dtsi +++ b/arch/arm/dts/imxrt1050.dtsi @@ -59,6 +59,11 @@ fsl,mux_mask = <0x7>; }; + anatop: anatop@400d8000 { + compatible = "fsl,imxrt-anatop"; + reg = <0x400d8000 0x4000>; + }; + clks: ccm@400fc000 { compatible = "fsl,imxrt1050-ccm"; reg = <0x400fc000 0x4000>; diff --git a/arch/arm/include/asm/arch-imxrt/imx-regs.h b/arch/arm/include/asm/arch-imxrt/imx-regs.h index d01e6ca2e02..ad739caae92 100644 --- a/arch/arm/include/asm/arch-imxrt/imx-regs.h +++ b/arch/arm/include/asm/arch-imxrt/imx-regs.h @@ -15,8 +15,6 @@ #define GPIO4_BASE_ADDR 0x401C4000 #define GPIO5_BASE_ADDR 0x400C0000 -#define ANATOP_BASE_ADDR 0x400d8000 - #define MXS_LCDIF_BASE 0x402b8000 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) diff --git a/drivers/clk/imx/clk-imxrt1020.c b/drivers/clk/imx/clk-imxrt1020.c index 3f8b4df3c5a..dc91ac5adbf 100644 --- a/drivers/clk/imx/clk-imxrt1020.c +++ b/drivers/clk/imx/clk-imxrt1020.c @@ -36,7 +36,7 @@ static int imxrt1020_clk_probe(struct udevice *dev) void *base; /* Anatop clocks */ - base = (void *)ANATOP_BASE_ADDR; + base = (void *)ofnode_get_addr(ofnode_by_compatible(ofnode_null(), "fsl,imxrt-anatop")); clk_dm(IMXRT1020_CLK_PLL2_SYS, imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2_sys", "osc", diff --git a/drivers/clk/imx/clk-imxrt1050.c b/drivers/clk/imx/clk-imxrt1050.c index 5cb5e3bc15a..d40635d17a4 100644 --- a/drivers/clk/imx/clk-imxrt1050.c +++ b/drivers/clk/imx/clk-imxrt1050.c @@ -34,7 +34,7 @@ static int imxrt1050_clk_probe(struct udevice *dev) void *base; /* Anatop clocks */ - base = (void *)ANATOP_BASE_ADDR; + base = (void *)ofnode_get_addr(ofnode_by_compatible(ofnode_null(), "fsl,imxrt-anatop")); clk_dm(IMXRT1050_CLK_PLL1_REF_SEL, imx_clk_mux("pll1_arm_ref_sel", base + 0x0, 14, 2, -- cgit v1.3.1 From 87f958810fcb534cd111028e97a2290226b738b7 Mon Sep 17 00:00:00 2001 From: Elmar Albert Date: Wed, 6 Apr 2022 13:39:50 +0200 Subject: clk: imx8mp: Add ECSPI clocks Add clock tables required for bing up ECSPI interfaces Signed-off-by: Elmar Albert Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Cc: uboot-imx Signed-off-by: Elmar Albert Reviewed-by: Fabio Estevam --- drivers/clk/imx/clk-imx8mp.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index 4fd69124f03..aba347bc108 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -122,6 +122,18 @@ static const char *imx8mp_gic_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_p "sys_pll2_100m", "sys_pll1_800m", "sys_pll2_500m", "clk_ext4", "audio_pll2_out" }; +static const char *imx8mp_ecspi1_sels[] = {"clock-osc_24m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *imx8mp_ecspi2_sels[] = {"clock-osc_24m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + +static const char *imx8mp_ecspi3_sels[] = {"clock-osc_24m", "sys_pll2_200m", "sys_pll1_40m", + "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out", + "sys_pll2_250m", "audio_pll2_out", }; + static const char *imx8mp_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out", "sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m" }; @@ -246,6 +258,9 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_USB_CORE_REF, imx8m_clk_composite("usb_core_ref", imx8mp_usb_core_ref_sels, base + 0xb100)); clk_dm(IMX8MP_CLK_USB_PHY_REF, imx8m_clk_composite("usb_phy_ref", imx8mp_usb_phy_ref_sels, base + 0xb180)); clk_dm(IMX8MP_CLK_GIC, imx8m_clk_composite_critical("gic", imx8mp_gic_sels, base + 0xb200)); + clk_dm(IMX8MP_CLK_ECSPI1, imx8m_clk_composite("ecspi1", imx8mp_ecspi1_sels, base + 0xb280)); + clk_dm(IMX8MP_CLK_ECSPI2, imx8m_clk_composite("ecspi2", imx8mp_ecspi2_sels, base + 0xb300)); + clk_dm(IMX8MP_CLK_ECSPI3, imx8m_clk_composite("ecspi3", imx8mp_ecspi3_sels, base + 0xc180)); clk_dm(IMX8MP_CLK_WDOG, imx8m_clk_composite("wdog", imx8mp_wdog_sels, base + 0xb900)); clk_dm(IMX8MP_CLK_USDHC3, imx8m_clk_composite("usdhc3", imx8mp_usdhc3_sels, base + 0xbc80)); @@ -254,7 +269,9 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_CLK_DRAM_CORE, imx_clk_mux2_flags("dram_core_clk", base + 0x9800, 24, 1, imx8mp_dram_core_sels, ARRAY_SIZE(imx8mp_dram_core_sels), CLK_IS_CRITICAL)); clk_dm(IMX8MP_CLK_DRAM1_ROOT, imx_clk_gate4_flags("dram1_root_clk", "dram_core_clk", base + 0x4050, 0, CLK_IS_CRITICAL)); - + clk_dm(IMX8MP_CLK_ECSPI1_ROOT, imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0)); + clk_dm(IMX8MP_CLK_ECSPI2_ROOT, imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0)); + clk_dm(IMX8MP_CLK_ECSPI3_ROOT, imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0)); clk_dm(IMX8MP_CLK_ENET1_ROOT, imx_clk_gate4("enet1_root_clk", "enet_axi", base + 0x40a0, 0)); clk_dm(IMX8MP_CLK_GPIO1_ROOT, imx_clk_gate4("gpio1_root_clk", "ipg_root", base + 0x40b0, 0)); clk_dm(IMX8MP_CLK_GPIO2_ROOT, imx_clk_gate4("gpio2_root_clk", "ipg_root", base + 0x40c0, 0)); -- cgit v1.3.1 From 2c6ae0a15fca8130e49b97f834c0bdb25e26b749 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Wed, 13 Apr 2022 00:41:10 +0200 Subject: clk: imx8mp: Fix 24M and 32k clock Fix registration of 24M and 32k clock, those got applied or rebased incorrectly, so fill in the correct code. Fixes: 7a2c3be95a5 ("clk: imx8mp: Fill in DWC3 USB, USB PHY, HSIOMIX clock") Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic Cc: Ye Li --- drivers/clk/imx/clk-imx8mp.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index aba347bc108..ac727b7e404 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -162,7 +162,9 @@ static const char *imx8mp_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", } static int imx8mp_clk_probe(struct udevice *dev) { + struct clk osc_24m_clk, osc_32k_clk; void __iomem *base; + int ret; base = (void *)ANATOP_BASE_ADDR; @@ -215,7 +217,15 @@ static int imx8mp_clk_probe(struct udevice *dev) clk_dm(IMX8MP_SYS_PLL2_500M, imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2)); clk_dm(IMX8MP_SYS_PLL2_1000M, imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1)); - clk_dm(IMX8MP_CLK_24M, imx_clk_fixed_factor("clock-osc-24m", "osc_24m", 1, 1)); + ret = clk_get_by_name(dev, "osc_24m", &osc_24m_clk); + if (ret) + return ret; + clk_dm(IMX8MP_CLK_24M, dev_get_clk_ptr(osc_24m_clk.dev)); + + ret = clk_get_by_name(dev, "osc_32k", &osc_32k_clk); + if (ret) + return ret; + clk_dm(IMX8MP_CLK_32K, dev_get_clk_ptr(osc_32k_clk.dev)); base = dev_read_addr_ptr(dev); if (!base) -- cgit v1.3.1