drivers/pinctrl/qcom/pinctrl-sm8250.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Qualcomm sm8250 pinctrl
 *
 * (C) Copyright 2023 Linaro Ltd.
 *
 */

#include <common.h>
#include <dm.h>

#include "pinctrl-qcom.h"

#define WEST	0x00000000
#define SOUTH	0x00400000
#define NORTH	0x00800000

#define MAX_PIN_NAME_LEN 32
static char pin_name[MAX_PIN_NAME_LEN] __section(".data");

static const struct pinctrl_function msm_pinctrl_functions[] = {
	{"qup12", 1},
	{"gpio", 0},
	{"sdc2_clk", }
};

static const unsigned int sm8250_pin_offsets[] = {
	[0] = SOUTH,
	[1] = SOUTH,
	[2] = SOUTH,
	[3] = SOUTH,
	[4] = NORTH,
	[5] = NORTH,
	[6] = NORTH,
	[7] = NORTH,
	[8] = NORTH,
	[9] = NORTH,
	[10] = NORTH,
	[11] = NORTH,
	[12] = NORTH,
	[13] = NORTH,
	[14] = NORTH,
	[15] = NORTH,
	[16] = NORTH,
	[17] = NORTH,
	[18] = NORTH,
	[19] = NORTH,
	[20] = NORTH,
	[21] = NORTH,
	[22] = NORTH,
	[23] = NORTH,
	[24] = SOUTH,
	[25] = SOUTH,
	[26] = SOUTH,
	[27] = SOUTH,
	[28] = NORTH,
	[29] = NORTH,
	[30] = NORTH,
	[31] = NORTH,
	[32] = SOUTH,
	[33] = SOUTH,
	[34] = SOUTH,
	[35] = SOUTH,
	[36] = SOUTH,
	[37] = SOUTH,
	[38] = SOUTH,
	[39] = SOUTH,
	[40] = SOUTH,
	[41] = SOUTH,
	[42] = SOUTH,
	[43] = SOUTH,
	[44] = SOUTH,
	[45] = SOUTH,
	[46] = SOUTH,
	[47] = SOUTH,
	[48] = SOUTH,
	[49] = SOUTH,
	[50] = SOUTH,
	[51] = SOUTH,
	[52] = SOUTH,
	[53] = SOUTH,
	[54] = SOUTH,
	[55] = SOUTH,
	[56] = SOUTH,
	[57] = SOUTH,
	[58] = SOUTH,
	[59] = SOUTH,
	[60] = SOUTH,
	[61] = SOUTH,
	[62] = SOUTH,
	[63] = SOUTH,
	[64] = SOUTH,
	[65] = SOUTH,
	[66] = NORTH,
	[67] = NORTH,
	[68] = NORTH,
	[69] = SOUTH,
	[70] = SOUTH,
	[71] = SOUTH,
	[72] = SOUTH,
	[73] = SOUTH,
	[74] = SOUTH,
	[75] = SOUTH,
	[76] = SOUTH,
	[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] = NORTH,
	[93] = NORTH,
	[94] = NORTH,
	[95] = NORTH,
	[96] = NORTH,
	[97] = NORTH,
	[98] = NORTH,
	[99] = NORTH,
	[100] = NORTH,
	[101] = NORTH,
	[102] = NORTH,
	[103] = NORTH,
	[104] = NORTH,
	[105] = NORTH,
	[106] = NORTH,
	[107] = NORTH,
	[108] = NORTH,
	[109] = NORTH,
	[110] = NORTH,
	[111] = NORTH,
	[112] = NORTH,
	[113] = NORTH,
	[114] = NORTH,
	[115] = NORTH,
	[116] = NORTH,
	[117] = NORTH,
	[118] = NORTH,
	[119] = NORTH,
	[120] = NORTH,
	[121] = NORTH,
	[122] = NORTH,
	[123] = NORTH,
	[124] = NORTH,
	[125] = SOUTH,
	[126] = SOUTH,
	[127] = SOUTH,
	[128] = SOUTH,
	[129] = SOUTH,
	[130] = SOUTH,
	[131] = SOUTH,
	[132] = SOUTH,
	[133] = WEST,
	[134] = WEST,
	[135] = WEST,
	[136] = WEST,
	[137] = WEST,
	[138] = WEST,
	[139] = WEST,
	[140] = WEST,
	[141] = WEST,
	[142] = WEST,
	[143] = WEST,
	[144] = WEST,
	[145] = WEST,
	[146] = WEST,
	[147] = WEST,
	[148] = WEST,
	[149] = WEST,
	[150] = WEST,
	[151] = WEST,
	[152] = WEST,
	[153] = WEST,
	[154] = WEST,
	[155] = WEST,
	[156] = WEST,
	[157] = WEST,
	[158] = WEST,
	[159] = WEST,
	[160] = WEST,
	[161] = WEST,
	[162] = WEST,
	[163] = WEST,
	[164] = WEST,
	[165] = WEST,
	[166] = WEST,
	[167] = WEST,
	[168] = WEST,
	[169] = WEST,
	[170] = WEST,
	[171] = WEST,
	[172] = WEST,
	[173] = WEST,
	[174] = WEST,
	[175] = WEST,
	[176] = WEST,
	[177] = WEST,
	[178] = WEST,
	[179] = WEST,
};

static const char *sm8250_get_function_name(struct udevice *dev,
						 unsigned int selector)
{
	return msm_pinctrl_functions[selector].name;
}

static const char *sm8250_get_pin_name(struct udevice *dev,
					unsigned int selector)
{
	snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
	return pin_name;
}

static unsigned int sm8250_get_function_mux(unsigned int selector)
{
	return msm_pinctrl_functions[selector].val;
}

static struct msm_pinctrl_data sm8250_data = {
	.pin_data = {
		.pin_offsets = sm8250_pin_offsets,
		.pin_count = ARRAY_SIZE(sm8250_pin_offsets),
	},
	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
	.get_function_name = sm8250_get_function_name,
	.get_function_mux = sm8250_get_function_mux,
	.get_pin_name = sm8250_get_pin_name,
};

static const struct udevice_id msm_pinctrl_ids[] = {
	{ .compatible = "qcom,sm8250-pinctrl", .data = (ulong)&sm8250_data },
	{ /* Sentinal */ }
};

U_BOOT_DRIVER(pinctrl_sm8250) = {
	.name		= "pinctrl_sm8250",
	.id		= UCLASS_NOP,
	.of_match	= msm_pinctrl_ids,
	.ops		= &msm_pinctrl_ops,
	.bind		= msm_pinctrl_bind,
};