1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2012 Texas Instruments
4 *
5 * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
6 */
7
8 #ifndef __LP872X_REGULATOR_H__
9 #define __LP872X_REGULATOR_H__
10
11 #include <linux/regulator/machine.h>
12 #include <linux/platform_device.h>
13 #include <linux/gpio/consumer.h>
14
15 #define LP872X_MAX_REGULATORS 9
16
17 #define LP8720_ENABLE_DELAY 200
18 #define LP8725_ENABLE_DELAY 30000
19
20 enum lp872x_regulator_id {
21 LP8720_ID_BASE,
22 LP8720_ID_LDO1 = LP8720_ID_BASE,
23 LP8720_ID_LDO2,
24 LP8720_ID_LDO3,
25 LP8720_ID_LDO4,
26 LP8720_ID_LDO5,
27 LP8720_ID_BUCK,
28
29 LP8725_ID_BASE,
30 LP8725_ID_LDO1 = LP8725_ID_BASE,
31 LP8725_ID_LDO2,
32 LP8725_ID_LDO3,
33 LP8725_ID_LDO4,
34 LP8725_ID_LDO5,
35 LP8725_ID_LILO1,
36 LP8725_ID_LILO2,
37 LP8725_ID_BUCK1,
38 LP8725_ID_BUCK2,
39
40 LP872X_ID_MAX,
41 };
42
43 enum lp872x_dvs_sel {
44 SEL_V1,
45 SEL_V2,
46 };
47
48 /**
49 * lp872x_dvs
50 * @gpio : gpio descriptor for dvs control
51 * @vsel : dvs selector for buck v1 or buck v2 register
52 * @init_state : initial dvs pin state
53 */
54 struct lp872x_dvs {
55 struct gpio_desc *gpio;
56 enum lp872x_dvs_sel vsel;
57 enum gpiod_flags init_state;
58 };
59
60 /**
61 * lp872x_regdata
62 * @id : regulator id
63 * @init_data : init data for each regulator
64 */
65 struct lp872x_regulator_data {
66 enum lp872x_regulator_id id;
67 struct regulator_init_data *init_data;
68 };
69
70 /**
71 * lp872x_platform_data
72 * @general_config : the value of LP872X_GENERAL_CFG register
73 * @update_config : if LP872X_GENERAL_CFG register is updated, set true
74 * @regulator_data : platform regulator id and init data
75 * @dvs : dvs data for buck voltage control
76 * @enable_gpio : gpio descriptor for enable control
77 */
78 struct lp872x_platform_data {
79 u8 general_config;
80 bool update_config;
81 struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
82 struct lp872x_dvs *dvs;
83 struct gpio_desc *enable_gpio;
84 };
85
86 #endif
87
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