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 S5M8767X,
40 S2DOS05,
41 S2MPA01,
42 S2MPS11X,
43 S2MPS13X,
44 S2MPS14X,
45 S2MPS15X,
46 S2MPU02,
47};
48
49/**
50 * struct sec_pmic_dev - s2m/s5m master device for sub-drivers
51 * @dev: Master device of the chip
52 * @pdata: Platform data populated with data from DTS
53 * or board files
54 * @regmap_pmic: Regmap associated with PMIC's I2C address
55 * @i2c: I2C client of the main driver
56 * @device_type: Type of device, matches enum sec_device_type
57 * @irq_base: Base IRQ number for device, required for IRQs
58 * @irq: Generic IRQ number for device
59 * @irq_data: Runtime data structure for IRQ controller
60 * @wakeup: Whether or not this is a wakeup device
61 */
62struct sec_pmic_dev {
63 struct device *dev;
64 struct sec_platform_data *pdata;
65 struct regmap *regmap_pmic;
66 struct i2c_client *i2c;
67
68 unsigned long device_type;
69 int irq;
70 struct regmap_irq_chip_data *irq_data;
71};
72
73int sec_irq_init(struct sec_pmic_dev *sec_pmic);
74void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
75int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
76
77struct sec_platform_data {
78 struct sec_regulator_data *regulators;
79 struct sec_opmode_data *opmode;
80 int num_regulators;
81
82 int buck_gpios[3];
83 int buck_ds[3];
84 unsigned int buck2_voltage[8];
85 bool buck2_gpiodvs;
86 unsigned int buck3_voltage[8];
87 bool buck3_gpiodvs;
88 unsigned int buck4_voltage[8];
89 bool buck4_gpiodvs;
90
91 int buck_default_idx;
92 int buck_ramp_delay;
93
94 bool buck2_ramp_enable;
95 bool buck3_ramp_enable;
96 bool buck4_ramp_enable;
97
98 int buck2_init;
99 int buck3_init;
100 int buck4_init;
101 /* Whether or not manually set PWRHOLD to low during shutdown. */
102 bool manual_poweroff;
103 /* Disable the WRSTBI (buck voltage warm reset) when probing? */
104 bool disable_wrstbi;
105};
106
107/**
108 * sec_regulator_data - regulator data
109 * @id: regulator id
110 * @initdata: regulator init data (contraints, supplies, ...)
111 */
112struct sec_regulator_data {
113 int id;
114 struct regulator_init_data *initdata;
115 struct device_node *reg_node;
116 struct gpio_desc *ext_control_gpiod;
117};
118
119/*
120 * sec_opmode_data - regulator operation mode data
121 * @id: regulator id
122 * @mode: regulator operation mode
123 */
124struct sec_opmode_data {
125 int id;
126 unsigned int mode;
127};
128
129/*
130 * samsung regulator operation mode
131 * SEC_OPMODE_OFF Regulator always OFF
132 * SEC_OPMODE_ON Regulator always ON
133 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
134 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
135 * If PWREN is high, regulator is on
136 * If PWREN is low, regulator is off
137 */
138
139enum sec_opmode {
140 SEC_OPMODE_OFF,
141 SEC_OPMODE_ON,
142 SEC_OPMODE_LOWPOWER,
143 SEC_OPMODE_SUSPEND,
144};
145
146#endif /* __LINUX_MFD_SEC_CORE_H */