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
132static 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
141static 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
149static 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
159static 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
169static 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
194const 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