tps68470_board_data.c

  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
 18static struct regulator_consumer_supply int347a_core_consumer_supplies[] = {
 19	REGULATOR_SUPPLY("dvdd", "i2c-INT347A:00"),
 20};
 21
 22static struct regulator_consumer_supply int347a_ana_consumer_supplies[] = {
 23	REGULATOR_SUPPLY("avdd", "i2c-INT347A:00"),
 24};
 25
 26static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = {
 27	REGULATOR_SUPPLY("vdd", "i2c-INT347A:00-VCM"),
 28};
 29
 30static 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
 36static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = {
 37	REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"),
 38};
 39
 40static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = {
 41	REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"),
 42};
 43
 44static 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
 55static 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
 66static 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 */
 78static 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
 87static 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
 98static 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
109static 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
120static 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
134static struct regulator_consumer_supply int3479_vsio_consumer_supplies[] = {
135	REGULATOR_SUPPLY("avdd", "i2c-INT3479:00"),
136};
137
138static struct regulator_consumer_supply int3479_aux1_consumer_supplies[] = {
139	REGULATOR_SUPPLY("dvdd", "i2c-INT3479:00"),
140};
141
142static struct regulator_consumer_supply int3479_aux2_consumer_supplies[] = {
143	REGULATOR_SUPPLY("dovdd", "i2c-INT3479:00"),
144};
145
146static 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
157static 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
168static 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
179static 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
190static 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
201static 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
212static 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
223static 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
235static 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
244static 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
252static 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
261static 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
271static 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
281static 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
290static 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
322const 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}