Linux kernel mirror (for testing)
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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 S5M8751X,
40 S5M8763X,
41 S5M8767X,
42 S2MPA01,
43 S2MPS11X,
44 S2MPS13X,
45 S2MPS14X,
46 S2MPS15X,
47 S2MPU02,
48};
49
50/**
51 * struct sec_pmic_dev - s2m/s5m master device for sub-drivers
52 * @dev: Master device of the chip
53 * @pdata: Platform data populated with data from DTS
54 * or board files
55 * @regmap_pmic: Regmap associated with PMIC's I2C address
56 * @i2c: I2C client of the main driver
57 * @device_type: Type of device, matches enum sec_device_type
58 * @irq_base: Base IRQ number for device, required for IRQs
59 * @irq: Generic IRQ number for device
60 * @irq_data: Runtime data structure for IRQ controller
61 * @wakeup: Whether or not this is a wakeup device
62 */
63struct sec_pmic_dev {
64 struct device *dev;
65 struct sec_platform_data *pdata;
66 struct regmap *regmap_pmic;
67 struct i2c_client *i2c;
68
69 unsigned long device_type;
70 int irq;
71 struct regmap_irq_chip_data *irq_data;
72};
73
74int sec_irq_init(struct sec_pmic_dev *sec_pmic);
75void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
76int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
77
78struct sec_platform_data {
79 struct sec_regulator_data *regulators;
80 struct sec_opmode_data *opmode;
81 int num_regulators;
82
83 int buck_gpios[3];
84 int buck_ds[3];
85 unsigned int buck2_voltage[8];
86 bool buck2_gpiodvs;
87 unsigned int buck3_voltage[8];
88 bool buck3_gpiodvs;
89 unsigned int buck4_voltage[8];
90 bool buck4_gpiodvs;
91
92 int buck_default_idx;
93 int buck_ramp_delay;
94
95 bool buck2_ramp_enable;
96 bool buck3_ramp_enable;
97 bool buck4_ramp_enable;
98
99 int buck2_init;
100 int buck3_init;
101 int buck4_init;
102 /* Whether or not manually set PWRHOLD to low during shutdown. */
103 bool manual_poweroff;
104 /* Disable the WRSTBI (buck voltage warm reset) when probing? */
105 bool disable_wrstbi;
106};
107
108/**
109 * sec_regulator_data - regulator data
110 * @id: regulator id
111 * @initdata: regulator init data (contraints, supplies, ...)
112 */
113struct sec_regulator_data {
114 int id;
115 struct regulator_init_data *initdata;
116 struct device_node *reg_node;
117 struct gpio_desc *ext_control_gpiod;
118};
119
120/*
121 * sec_opmode_data - regulator operation mode data
122 * @id: regulator id
123 * @mode: regulator operation mode
124 */
125struct sec_opmode_data {
126 int id;
127 unsigned int mode;
128};
129
130/*
131 * samsung regulator operation mode
132 * SEC_OPMODE_OFF Regulator always OFF
133 * SEC_OPMODE_ON Regulator always ON
134 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
135 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
136 * If PWREN is high, regulator is on
137 * If PWREN is low, regulator is off
138 */
139
140enum sec_opmode {
141 SEC_OPMODE_OFF,
142 SEC_OPMODE_ON,
143 SEC_OPMODE_LOWPOWER,
144 SEC_OPMODE_SUSPEND,
145};
146
147#endif /* __LINUX_MFD_SEC_CORE_H */