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// SPDX-License-Identifier: GPL-2.0+
/*
* Qualcomm SDM670 pinctrl
*
* (C) Copyright 2025 David Wronek <[email protected]>
*/
#include <dm.h>
#include "pinctrl-qcom.h"
#define NORTH 0x00500000
#define SOUTH 0x00900000
#define WEST 0x00100000
#define MAX_PIN_NAME_LEN 32
static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
static const struct pinctrl_function sdm670_pinctrl_functions[] = {
{ "gpio", 0 },
{ "blsp_uart2", 3 }, /* gpio 4 and 5, used for debug uart */
};
static const unsigned int sdm670_pin_offsets[] = {
[0] = SOUTH,
[1] = SOUTH,
[2] = SOUTH,
[3] = SOUTH,
[4] = NORTH,
[5] = NORTH,
[6] = NORTH,
[7] = NORTH,
[8] = WEST,
[9] = WEST,
[10] = NORTH,
[11] = NORTH,
[12] = SOUTH,
[13] = WEST,
[14] = WEST,
[15] = WEST,
[16] = WEST,
[17] = WEST,
[18] = WEST,
[19] = WEST,
[20] = WEST,
[21] = WEST,
[22] = WEST,
[23] = WEST,
[24] = WEST,
[25] = WEST,
[26] = WEST,
[27] = WEST,
[28] = WEST,
[29] = WEST,
[30] = WEST,
[31] = WEST,
[32] = WEST,
[33] = WEST,
[34] = WEST,
[35] = NORTH,
[36] = NORTH,
[37] = NORTH,
[38] = NORTH,
[39] = NORTH,
[40] = NORTH,
[41] = SOUTH,
[42] = SOUTH,
[43] = SOUTH,
[44] = SOUTH,
[45] = SOUTH,
[46] = SOUTH,
[47] = SOUTH,
[48] = SOUTH,
[49] = NORTH,
[50] = NORTH,
[51] = NORTH,
[52] = NORTH,
[53] = NORTH,
[54] = NORTH,
[55] = NORTH,
[56] = NORTH,
[57] = NORTH,
[65] = NORTH,
[66] = NORTH,
[67] = NORTH,
[68] = NORTH,
[75] = NORTH,
[76] = NORTH,
[77] = NORTH,
[78] = NORTH,
[79] = NORTH,
[80] = NORTH,
[81] = NORTH,
[82] = NORTH,
[83] = NORTH,
[84] = NORTH,
[85] = SOUTH,
[86] = SOUTH,
[87] = SOUTH,
[88] = SOUTH,
[89] = SOUTH,
[90] = SOUTH,
[91] = SOUTH,
[92] = SOUTH,
[93] = SOUTH,
[94] = SOUTH,
[95] = SOUTH,
[96] = SOUTH,
[97] = WEST,
[98] = WEST,
[99] = NORTH,
[100] = WEST,
[101] = WEST,
[102] = WEST,
[103] = WEST,
[105] = NORTH,
[106] = NORTH,
[107] = NORTH,
[108] = NORTH,
[109] = NORTH,
[110] = NORTH,
[111] = NORTH,
[112] = NORTH,
[113] = NORTH,
[114] = WEST,
[115] = WEST,
[116] = SOUTH,
[117] = NORTH,
[118] = NORTH,
[119] = NORTH,
[120] = NORTH,
[121] = NORTH,
[122] = NORTH,
[123] = NORTH,
[124] = NORTH,
[125] = NORTH,
[126] = NORTH,
[127] = WEST,
[128] = WEST,
[129] = WEST,
[130] = WEST,
[131] = WEST,
[132] = WEST,
[133] = NORTH,
[134] = NORTH,
[135] = WEST,
[136] = WEST,
[137] = WEST,
[138] = WEST,
[139] = WEST,
[140] = WEST,
[141] = WEST,
[142] = WEST,
[143] = WEST,
[144] = SOUTH,
[145] = SOUTH,
[146] = WEST,
[147] = WEST,
[148] = WEST,
[149] = WEST,
};
#define SDC_QDSD_PINGROUP(pg_name, ctl, pull, drv) \
{ \
.name = pg_name, \
.ctl_reg = ctl, \
.io_reg = 0, \
.pull_bit = pull, \
.drv_bit = drv, \
.oe_bit = -1, \
.in_bit = -1, \
.out_bit = -1, \
}
#define UFS_RESET(pg_name, offset) \
{ \
.name = pg_name, \
.ctl_reg = offset, \
.io_reg = offset + 0x4, \
.pull_bit = 3, \
.drv_bit = 0, \
.oe_bit = -1, \
.in_bit = -1, \
.out_bit = 0, \
}
static const struct msm_special_pin_data sdm670_special_pins_data[] = {
UFS_RESET("ufs_reset", 0x99d000),
SDC_QDSD_PINGROUP("sdc1_rclk", NORTH + 0x99000, 15, 0),
SDC_QDSD_PINGROUP("sdc1_clk", NORTH + 0x99000, 13, 6),
SDC_QDSD_PINGROUP("sdc1_cmd", NORTH + 0x99000, 11, 3),
SDC_QDSD_PINGROUP("sdc1_data", NORTH + 0x99000, 9, 0),
SDC_QDSD_PINGROUP("sdc2_clk", NORTH + 0x9a000, 14, 6),
SDC_QDSD_PINGROUP("sdc2_cmd", NORTH + 0x9a000, 11, 3),
SDC_QDSD_PINGROUP("sdc2_data", NORTH + 0x9a000, 9, 0),
};
static const char *sdm670_get_function_name(struct udevice *dev, unsigned int selector)
{
return sdm670_pinctrl_functions[selector].name;
}
static const char *sdm670_get_pin_name(struct udevice *dev, unsigned int selector)
{
if (selector >= 150 && selector <= 157)
snprintf(pin_name, MAX_PIN_NAME_LEN,
sdm670_special_pins_data[selector - 150].name);
else
snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
return pin_name;
}
static int sdm670_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
{
if (selector >= 0 && selector < ARRAY_SIZE(sdm670_pinctrl_functions))
return sdm670_pinctrl_functions[selector].val;
return -EINVAL;
}
struct msm_pinctrl_data sdm670_data = {
.pin_data = {
.pin_offsets = sdm670_pin_offsets,
.pin_count = ARRAY_SIZE(sdm670_pin_offsets) + ARRAY_SIZE(sdm670_special_pins_data),
.special_pins_start = 150,
.special_pins_data = sdm670_special_pins_data,
},
.functions_count = ARRAY_SIZE(sdm670_pinctrl_functions),
.get_function_name = sdm670_get_function_name,
.get_function_mux = sdm670_get_function_mux,
.get_pin_name = sdm670_get_pin_name,
};
static const struct udevice_id msm_pinctrl_ids[] = {
{
.compatible = "qcom,sdm670-tlmm",
.data = (ulong)&sdm670_data
},
{ /* Sentinel */ }
};
U_BOOT_DRIVER(pinctrl_ssdm670) = {
.name = "pinctrl_sdm670",
.id = UCLASS_NOP,
.of_match = msm_pinctrl_ids,
.ops = &msm_pinctrl_ops,
.bind = msm_pinctrl_bind,
};
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