summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/qcom/pinctrl-sm7150.c
blob: 435ba39b1dba94c51f9ed000ad359ab243b6fa7d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
// SPDX-License-Identifier: BSD-3-Clause
/*
 * Pinctrl driver for Qualcomm SM7150
 *
 * (C) Copyright 2025 Danila Tikhonov <[email protected]>
 * (C) Copyright 2025 Jens Reidel <[email protected]>
 *
 * Based on Linux Kernel driver
 */

#include <dm.h>

#include "pinctrl-qcom.h"

#define WEST	0x00000000
#define NORTH	0x00400000
#define SOUTH	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", 0 } /* special pin GPIO124 */
};

#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 msm_special_pins_data[] = {
	[0] = UFS_RESET("ufs_reset", 0x9f000),
	[1] = SDC_QDSD_PINGROUP("sdc1_rclk", WEST + 0x9a000, 15, 0),
	[2] = SDC_QDSD_PINGROUP("sdc1_clk", WEST + 0x9a000, 13, 6),
	[3] = SDC_QDSD_PINGROUP("sdc1_cmd", WEST + 0x9a000, 11, 3),
	[4] = SDC_QDSD_PINGROUP("sdc1_data", WEST + 0x9a000, 9, 0),
	[5] = SDC_QDSD_PINGROUP("sdc2_clk", SOUTH + 0x98000, 14, 6),
	[6] = SDC_QDSD_PINGROUP("sdc2_cmd", SOUTH + 0x98000, 11, 3),
	[7] = SDC_QDSD_PINGROUP("sdc2_data", SOUTH + 0x98000, 9, 0),
};

static const unsigned int sm7150_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] = SOUTH,	[13] = SOUTH,	[14] = SOUTH,	[15] = SOUTH,
	[16] = SOUTH,	[17] = SOUTH,	[18] = SOUTH,	[19] = SOUTH,
	[20] = SOUTH,	[21] = SOUTH,	[22] = SOUTH,	[23] = SOUTH,
	[24] = SOUTH,	[25] = SOUTH,	[26] = SOUTH,	[27] = SOUTH,
	[28] = SOUTH,	[29] = NORTH,	[30] = SOUTH,	[31] = WEST,
	[32] = NORTH,	[33] = NORTH,	[34] = SOUTH,	[35] = SOUTH,
	[36] = SOUTH,	[37] = SOUTH,	[38] = SOUTH,	[39] = SOUTH,
	[40] = SOUTH,	[41] = SOUTH,	[42] = NORTH,	[43] = NORTH,
	[44] = NORTH,	[45] = NORTH,	[46] = NORTH,	[47] = NORTH,
	[48] = WEST,	[49] = WEST,	[50] = WEST,	[51] = WEST,
	[52] = WEST,	[53] = WEST,	[54] = WEST,	[55] = WEST,
	[56] = WEST,	[57] = WEST,	[58] = WEST,	[59] = NORTH,
	[60] = NORTH,	[61] = NORTH,	[62] = NORTH,	[63] = NORTH,
	[64] = NORTH,	[65] = NORTH,	[66] = NORTH,	[67] = NORTH,
	[68] = NORTH,	[69] = NORTH,	[70] = NORTH,	[71] = NORTH,
	[72] = NORTH,	[73] = NORTH,	[74] = WEST,	[75] = WEST,
	[76] = WEST,	[77] = WEST,	[78] = WEST,	[79] = WEST,
	[80] = WEST,	[81] = WEST,	[82] = WEST,	[83] = WEST,
	[84] = WEST,	[85] = WEST,	[86] = NORTH,	[87] = NORTH,
	[88] = NORTH,	[89] = NORTH,	[90] = NORTH,	[91] = NORTH,
	[92] = NORTH,	[93] = NORTH,	[94] = SOUTH,	[95] = WEST,
	[96] = WEST,	[97] = WEST,	[98] = WEST,	[99] = WEST,
	[100] = WEST,	[101] = NORTH,	[102] = NORTH,	[103] = NORTH,
	[104] = WEST,	[105] = NORTH,	[106] = NORTH,	[107] = WEST,
	[108] = SOUTH,	[109] = SOUTH,	[110] = NORTH,	[111] = NORTH,
	[112] = NORTH,	[113] = NORTH,	[114] = NORTH,	[115] = NORTH,
	[116] = NORTH,	[117] = NORTH,	[118] = NORTH,
};

static const char *sm7150_get_function_name(struct udevice *dev, unsigned int selector)
{
	return msm_pinctrl_functions[selector].name;
}

static const char *sm7150_get_pin_name(struct udevice *dev,
				       unsigned int selector)
{
	if (selector >= 119 && selector <= 126)
		snprintf(pin_name, MAX_PIN_NAME_LEN,
			 msm_special_pins_data[selector - 119].name);
	else
		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);

	return pin_name;
}

static int sm7150_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
{
	return msm_pinctrl_functions[selector].val;
}

static struct msm_pinctrl_data sm7150_data = {
	.pin_data = {
		.pin_offsets = sm7150_pin_offsets,
		.pin_count = 126,
		.special_pins_start = 119,
		.special_pins_data = msm_special_pins_data,
	},
	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
	.get_function_name = sm7150_get_function_name,
	.get_function_mux = sm7150_get_function_mux,
	.get_pin_name = sm7150_get_pin_name,
};

static const struct udevice_id msm_pinctrl_ids[] = {
	{ .compatible = "qcom,sm7150-tlmm", .data = (ulong)&sm7150_data },
	{ /* sentinel */ }
};

U_BOOT_DRIVER(pinctrl_sm7150) = {
	.name		= "pinctrl_sm7150",
	.id		= UCLASS_NOP,
	.of_match	= msm_pinctrl_ids,
	.ops		= &msm_pinctrl_ops,
	.bind		= msm_pinctrl_bind,
};