1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd
4 * http://www.samsung.com
5 */
6
7#ifndef __LINUX_MFD_SEC_CORE_H
8#define __LINUX_MFD_SEC_CORE_H
9
10/* Macros to represent minimum voltages for LDO/BUCK */
11#define MIN_3000_MV 3000000
12#define MIN_2500_MV 2500000
13#define MIN_2000_MV 2000000
14#define MIN_1800_MV 1800000
15#define MIN_1500_MV 1500000
16#define MIN_1400_MV 1400000
17#define MIN_1000_MV 1000000
18
19#define MIN_900_MV 900000
20#define MIN_850_MV 850000
21#define MIN_800_MV 800000
22#define MIN_750_MV 750000
23#define MIN_650_MV 650000
24#define MIN_600_MV 600000
25#define MIN_500_MV 500000
26
27/* Ramp delay in uV/us */
28#define RAMP_DELAY_12_MVUS 12000
29
30/* Macros to represent steps for LDO/BUCK */
31#define STEP_50_MV 50000
32#define STEP_25_MV 25000
33#define STEP_12_5_MV 12500
34#define STEP_6_25_MV 6250
35
36struct gpio_desc;
37
38enum sec_device_type {
39 S5M8767X,
40 S2DOS05,
41 S2MPA01,
42 S2MPG10,
43 S2MPS11X,
44 S2MPS13X,
45 S2MPS14X,
46 S2MPS15X,
47 S2MPU02,
48 S2MPU05,
49};
50
51/**
52 * struct sec_pmic_dev - s2m/s5m master device for sub-drivers
53 * @dev: Master device of the chip
54 * @pdata: Platform data populated with data from DTS
55 * or board files
56 * @regmap_pmic: Regmap associated with PMIC's I2C address
57 * @i2c: I2C client of the main driver
58 * @device_type: Type of device, matches enum sec_device_type
59 * @irq_base: Base IRQ number for device, required for IRQs
60 * @irq: Generic IRQ number for device
61 * @irq_data: Runtime data structure for IRQ controller
62 * @wakeup: Whether or not this is a wakeup device
63 */
64struct sec_pmic_dev {
65 struct device *dev;
66 struct sec_platform_data *pdata;
67 struct regmap *regmap_pmic;
68 struct i2c_client *i2c;
69
70 int device_type;
71 int irq;
72 struct regmap_irq_chip_data *irq_data;
73};
74
75struct sec_platform_data {
76 struct sec_regulator_data *regulators;
77 struct sec_opmode_data *opmode;
78 int num_regulators;
79
80 int buck_gpios[3];
81 int buck_ds[3];
82 unsigned int buck2_voltage[8];
83 bool buck2_gpiodvs;
84 unsigned int buck3_voltage[8];
85 bool buck3_gpiodvs;
86 unsigned int buck4_voltage[8];
87 bool buck4_gpiodvs;
88
89 int buck_default_idx;
90 int buck_ramp_delay;
91
92 bool buck2_ramp_enable;
93 bool buck3_ramp_enable;
94 bool buck4_ramp_enable;
95
96 int buck2_init;
97 int buck3_init;
98 int buck4_init;
99 /* Whether or not manually set PWRHOLD to low during shutdown. */
100 bool manual_poweroff;
101 /* Disable the WRSTBI (buck voltage warm reset) when probing? */
102 bool disable_wrstbi;
103};
104
105/**
106 * sec_regulator_data - regulator data
107 * @id: regulator id
108 * @initdata: regulator init data (contraints, supplies, ...)
109 */
110struct sec_regulator_data {
111 int id;
112 struct regulator_init_data *initdata;
113 struct device_node *reg_node;
114 struct gpio_desc *ext_control_gpiod;
115};
116
117/*
118 * sec_opmode_data - regulator operation mode data
119 * @id: regulator id
120 * @mode: regulator operation mode
121 */
122struct sec_opmode_data {
123 int id;
124 unsigned int mode;
125};
126
127/*
128 * samsung regulator operation mode
129 * SEC_OPMODE_OFF Regulator always OFF
130 * SEC_OPMODE_ON Regulator always ON
131 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
132 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
133 * If PWREN is high, regulator is on
134 * If PWREN is low, regulator is off
135 */
136
137enum sec_opmode {
138 SEC_OPMODE_OFF,
139 SEC_OPMODE_ON,
140 SEC_OPMODE_LOWPOWER,
141 SEC_OPMODE_SUSPEND,
142};
143
144#endif /* __LINUX_MFD_SEC_CORE_H */
145

source code of linux/include/linux/mfd/samsung/core.h