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 /* Settings for Dell 7212 Tablet */
133
134 static struct regulator_consumer_supply int3479_vsio_consumer_supplies[] = {
135 REGULATOR_SUPPLY("avdd", "i2c-INT3479:00"),
136 };
137
138 static struct regulator_consumer_supply int3479_aux1_consumer_supplies[] = {
139 REGULATOR_SUPPLY("dvdd", "i2c-INT3479:00"),
140 };
141
142 static struct regulator_consumer_supply int3479_aux2_consumer_supplies[] = {
143 REGULATOR_SUPPLY("dovdd", "i2c-INT3479:00"),
144 };
145
146 static const struct regulator_init_data dell_7212_tps68470_core_reg_init_data = {
147 .constraints = {
148 .min_uV = 1200000,
149 .max_uV = 1200000,
150 .apply_uV = 1,
151 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
152 },
153 .num_consumer_supplies = 0,
154 .consumer_supplies = NULL,
155 };
156
157 static const struct regulator_init_data dell_7212_tps68470_ana_reg_init_data = {
158 .constraints = {
159 .min_uV = 2815200,
160 .max_uV = 2815200,
161 .apply_uV = 1,
162 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
163 },
164 .num_consumer_supplies = 0,
165 .consumer_supplies = NULL,
166 };
167
168 static const struct regulator_init_data dell_7212_tps68470_vcm_reg_init_data = {
169 .constraints = {
170 .min_uV = 2815200,
171 .max_uV = 2815200,
172 .apply_uV = 1,
173 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
174 },
175 .num_consumer_supplies = 0,
176 .consumer_supplies = NULL,
177 };
178
179 static const struct regulator_init_data dell_7212_tps68470_vio_reg_init_data = {
180 .constraints = {
181 .min_uV = 1800600,
182 .max_uV = 1800600,
183 .apply_uV = 1,
184 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
185 },
186 .num_consumer_supplies = 0,
187 .consumer_supplies = NULL,
188 };
189
190 static const struct regulator_init_data dell_7212_tps68470_vsio_reg_init_data = {
191 .constraints = {
192 .min_uV = 1800600,
193 .max_uV = 1800600,
194 .apply_uV = 1,
195 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
196 },
197 .num_consumer_supplies = ARRAY_SIZE(int3479_vsio_consumer_supplies),
198 .consumer_supplies = int3479_vsio_consumer_supplies,
199 };
200
201 static const struct regulator_init_data dell_7212_tps68470_aux1_reg_init_data = {
202 .constraints = {
203 .min_uV = 1213200,
204 .max_uV = 1213200,
205 .apply_uV = 1,
206 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
207 },
208 .num_consumer_supplies = ARRAY_SIZE(int3479_aux1_consumer_supplies),
209 .consumer_supplies = int3479_aux1_consumer_supplies,
210 };
211
212 static const struct regulator_init_data dell_7212_tps68470_aux2_reg_init_data = {
213 .constraints = {
214 .min_uV = 1800600,
215 .max_uV = 1800600,
216 .apply_uV = 1,
217 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
218 },
219 .num_consumer_supplies = ARRAY_SIZE(int3479_aux2_consumer_supplies),
220 .consumer_supplies = int3479_aux2_consumer_supplies,
221 };
222
223 static const struct tps68470_regulator_platform_data dell_7212_tps68470_pdata = {
224 .reg_init_data = {
225 [TPS68470_CORE] = &dell_7212_tps68470_core_reg_init_data,
226 [TPS68470_ANA] = &dell_7212_tps68470_ana_reg_init_data,
227 [TPS68470_VCM] = &dell_7212_tps68470_vcm_reg_init_data,
228 [TPS68470_VIO] = &dell_7212_tps68470_vio_reg_init_data,
229 [TPS68470_VSIO] = &dell_7212_tps68470_vsio_reg_init_data,
230 [TPS68470_AUX1] = &dell_7212_tps68470_aux1_reg_init_data,
231 [TPS68470_AUX2] = &dell_7212_tps68470_aux2_reg_init_data,
232 },
233 };
234
235 static struct gpiod_lookup_table surface_go_int347a_gpios = {
236 .dev_id = "i2c-INT347A:00",
237 .table = {
238 GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW),
239 GPIO_LOOKUP("tps68470-gpio", 7, "powerdown", GPIO_ACTIVE_LOW),
240 { }
241 }
242 };
243
244 static struct gpiod_lookup_table surface_go_int347e_gpios = {
245 .dev_id = "i2c-INT347E:00",
246 .table = {
247 GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH),
248 { }
249 }
250 };
251
252 static struct gpiod_lookup_table dell_7212_int3479_gpios = {
253 .dev_id = "i2c-INT3479:00",
254 .table = {
255 GPIO_LOOKUP("tps68470-gpio", 3, "reset", GPIO_ACTIVE_LOW),
256 GPIO_LOOKUP("tps68470-gpio", 4, "powerdown", GPIO_ACTIVE_LOW),
257 { }
258 }
259 };
260
261 static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = {
262 .dev_name = "i2c-INT3472:05",
263 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
264 .n_gpiod_lookups = 2,
265 .tps68470_gpio_lookup_tables = {
266 &surface_go_int347a_gpios,
267 &surface_go_int347e_gpios,
268 },
269 };
270
271 static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
272 .dev_name = "i2c-INT3472:01",
273 .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
274 .n_gpiod_lookups = 2,
275 .tps68470_gpio_lookup_tables = {
276 &surface_go_int347a_gpios,
277 &surface_go_int347e_gpios,
278 },
279 };
280
281 static const struct int3472_tps68470_board_data dell_7212_tps68470_board_data = {
282 .dev_name = "i2c-INT3472:05",
283 .tps68470_regulator_pdata = &dell_7212_tps68470_pdata,
284 .n_gpiod_lookups = 1,
285 .tps68470_gpio_lookup_tables = {
286 &dell_7212_int3479_gpios,
287 },
288 };
289
290 static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
291 {
292 .matches = {
293 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
294 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go"),
295 },
296 .driver_data = (void *)&surface_go_tps68470_board_data,
297 },
298 {
299 .matches = {
300 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
301 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 2"),
302 },
303 .driver_data = (void *)&surface_go_tps68470_board_data,
304 },
305 {
306 .matches = {
307 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
308 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
309 },
310 .driver_data = (void *)&surface_go3_tps68470_board_data,
311 },
312 {
313 .matches = {
314 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
315 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Latitude 7212 Rugged Extreme Tablet"),
316 },
317 .driver_data = (void *)&dell_7212_tps68470_board_data,
318 },
319 { }
320 };
321
int3472_tps68470_get_board_data(const char * dev_name)322 const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name)
323 {
324 const struct int3472_tps68470_board_data *board_data;
325 const struct dmi_system_id *match;
326
327 for (match = dmi_first_match(int3472_tps68470_board_data_table);
328 match;
329 match = dmi_first_match(match + 1)) {
330 board_data = match->driver_data;
331 if (strcmp(board_data->dev_name, dev_name) == 0)
332 return board_data;
333 }
334
335 return NULL;
336 }
337