1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * TI TPS68470 PMIC platform data definition.
4 *
5 * Copyright (c) 2021 Dan Scally <djrscally@gmail.com>
6 * Copyright (c) 2021 Red Hat Inc.
7 *
8 * Red Hat authors:
9 * Hans de Goede <hdegoede@redhat.com>
10 */
11
12 #include <linux/dmi.h>
13 #include <linux/gpio/machine.h>
14 #include <linux/platform_data/tps68470.h>
15 #include <linux/regulator/machine.h>
16 #include "tps68470.h"
17
18 static struct regulator_consumer_supply int347a_core_consumer_supplies[] = {
19 REGULATOR_SUPPLY("dvdd", "i2c-INT347A:00"),
20 };
21
22 static struct regulator_consumer_supply int347a_ana_consumer_supplies[] = {
23 REGULATOR_SUPPLY("avdd", "i2c-INT347A:00"),
24 };
25
26 static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = {
27 REGULATOR_SUPPLY("vdd", "i2c-INT347A:00-VCM"),
28 };
29
30 static struct regulator_consumer_supply int347a_vsio_consumer_supplies[] = {
31 REGULATOR_SUPPLY("dovdd", "i2c-INT347A:00"),
32 REGULATOR_SUPPLY("vsio", "i2c-INT347A:00-VCM"),
33 REGULATOR_SUPPLY("vddd", "i2c-INT347E:00"),
34 };
35
36 static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = {
37 REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"),
38 };
39
40 static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = {
41 REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"),
42 };
43
44 static const struct regulator_init_data surface_go_tps68470_core_reg_init_data = {
45 .constraints = {
46 .min_uV = 1200000,
47 .max_uV = 1200000,
48 .apply_uV = true,
49 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
50 },
51 .num_consumer_supplies = ARRAY_SIZE(int347a_core_consumer_supplies),
52 .consumer_supplies = int347a_core_consumer_supplies,
53 };
54
55 static const struct regulator_init_data surface_go_tps68470_ana_reg_init_data = {
56 .constraints = {
57 .min_uV = 2815200,
58 .max_uV = 2815200,
59 .apply_uV = true,
60 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
61 },
62 .num_consumer_supplies = ARRAY_SIZE(int347a_ana_consumer_supplies),
63 .consumer_supplies = int347a_ana_consumer_supplies,
64 };
65
66 static const struct regulator_init_data surface_go_tps68470_vcm_reg_init_data = {
67 .constraints = {
68 .min_uV = 2815200,
69 .max_uV = 2815200,
70 .apply_uV = true,
71 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
72 },
73 .num_consumer_supplies = ARRAY_SIZE(int347a_vcm_consumer_supplies),
74 .consumer_supplies = int347a_vcm_consumer_supplies,
75 };
76
77 /* Ensure the always-on VIO regulator has the same voltage as VSIO */
78 static const struct regulator_init_data surface_go_tps68470_vio_reg_init_data = {
79 .constraints = {
80 .min_uV = 1800600,
81 .max_uV = 1800600,
82 .apply_uV = true,
83 .always_on = true,
84 },
85 };
86
87 static const struct regulator_init_data surface_go_tps68470_vsio_reg_init_data = {
88 .constraints = {
89 .min_uV = 1800600,
90 .max_uV = 1800600,
91 .apply_uV = true,
92 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
93 },
94 .num_consumer_supplies = ARRAY_SIZE(int347a_vsio_consumer_supplies),
95 .consumer_supplies = int347a_vsio_consumer_supplies,
96 };
97
98 static const struct regulator_init_data surface_go_tps68470_aux1_reg_init_data = {
99 .constraints = {
100 .min_uV = 2815200,
101 .max_uV = 2815200,
102 .apply_uV = 1,
103 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
104 },
105 .num_consumer_supplies = ARRAY_SIZE(int347a_aux1_consumer_supplies),
106 .consumer_supplies = int347a_aux1_consumer_supplies,
107 };
108
109 static const struct regulator_init_data surface_go_tps68470_aux2_reg_init_data = {
110 .constraints = {
111 .min_uV = 1800600,
112 .max_uV = 1800600,
113 .apply_uV = 1,
114 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
115 },
116 .num_consumer_supplies = ARRAY_SIZE(int347a_aux2_consumer_supplies),
117 .consumer_supplies = int347a_aux2_consumer_supplies,
118 };
119
120 static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = {
121 .reg_init_data = {
122 [TPS68470_CORE] = &surface_go_tps68470_core_reg_init_data,
123 [TPS68470_ANA] = &surface_go_tps68470_ana_reg_init_data,
124 [TPS68470_VCM] = &surface_go_tps68470_vcm_reg_init_data,
125 [TPS68470_VIO] = &surface_go_tps68470_vio_reg_init_data,
126 [TPS68470_VSIO] = &surface_go_tps68470_vsio_reg_init_data,
127 [TPS68470_AUX1] = &surface_go_tps68470_aux1_reg_init_data,
128 [TPS68470_AUX2] = &surface_go_tps68470_aux2_reg_init_data,
129 },
130 };
131
132 static struct gpiod_lookup_table surface_go_int347a_gpios = {
133 .dev_id = "i2c-INT347A:00",
134 .table = {
135 GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
136 GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW),
137 { }
138 }
139 };
140
141 static struct gpiod_lookup_table surface_go_int347e_gpios = {
142 .dev_id = "i2c-INT347E:00",
143 .table = {
144 GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH),
145 { }
146 }
147 };
148
149 static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
150 .dev_name = "i2c-INT3472:05",
151 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
152 .n_gpiod_lookups = 2,
153 .tps68470_gpio_lookup_tables = {
154 &surface_go_int347a_gpios,
155 &surface_go_int347e_gpios,
156 },
157 };
158
159 static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
160 .dev_name = "i2c-INT3472:01",
161 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
162 .n_gpiod_lookups = 2,
163 .tps68470_gpio_lookup_tables = {
164 &surface_go_int347a_gpios,
165 &surface_go_int347e_gpios,
166 },
167 };
168
169 static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
170 {
171 .matches = {
172 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
173 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go"),
174 },
175 .driver_data = (void *)&surface_go_tps68470_board_data,
176 },
177 {
178 .matches = {
179 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
180 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 2"),
181 },
182 .driver_data = (void *)&surface_go_tps68470_board_data,
183 },
184 {
185 .matches = {
186 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
187 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
188 },
189 .driver_data = (void *)&surface_go3_tps68470_board_data,
190 },
191 { }
192 };
193
int3472_tps68470_get_board_data(const char * dev_name)194 const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name)
195 {
196 const struct int3472_tps68470_board_data *board_data;
197 const struct dmi_system_id *match;
198
199 for (match = dmi_first_match(int3472_tps68470_board_data_table);
200 match;
201 match = dmi_first_match(match + 1)) {
202 board_data = match->driver_data;
203 if (strcmp(board_data->dev_name, dev_name) == 0)
204 return board_data;
205 }
206
207 return NULL;
208 }
209