tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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.h>
14
15#define LP872X_MAX_REGULATORS 9
16
17#define LP8720_ENABLE_DELAY 200
18#define LP8725_ENABLE_DELAY 30000
19
20enum 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
43enum lp872x_dvs_state {
44 DVS_LOW = GPIOF_OUT_INIT_LOW,
45 DVS_HIGH = GPIOF_OUT_INIT_HIGH,
46};
47
48enum lp872x_dvs_sel {
49 SEL_V1,
50 SEL_V2,
51};
52
53/**
54 * lp872x_dvs
55 * @gpio : gpio pin number for dvs control
56 * @vsel : dvs selector for buck v1 or buck v2 register
57 * @init_state : initial dvs pin state
58 */
59struct lp872x_dvs {
60 int gpio;
61 enum lp872x_dvs_sel vsel;
62 enum lp872x_dvs_state init_state;
63};
64
65/**
66 * lp872x_regdata
67 * @id : regulator id
68 * @init_data : init data for each regulator
69 */
70struct lp872x_regulator_data {
71 enum lp872x_regulator_id id;
72 struct regulator_init_data *init_data;
73};
74
75/**
76 * lp872x_platform_data
77 * @general_config : the value of LP872X_GENERAL_CFG register
78 * @update_config : if LP872X_GENERAL_CFG register is updated, set true
79 * @regulator_data : platform regulator id and init data
80 * @dvs : dvs data for buck voltage control
81 * @enable_gpio : gpio pin number for enable control
82 */
83struct lp872x_platform_data {
84 u8 general_config;
85 bool update_config;
86 struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
87 struct lp872x_dvs *dvs;
88 int enable_gpio;
89};
90
91#endif