xref: /linux/include/linux/regulator/lp872x.h (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
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