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_600_MV 600000
24#define MIN_500_MV 500000
25
26/* Ramp delay in uV/us */
27#define RAMP_DELAY_12_MVUS 12000
28
29/* Macros to represent steps for LDO/BUCK */
30#define STEP_50_MV 50000
31#define STEP_25_MV 25000
32#define STEP_12_5_MV 12500
33#define STEP_6_25_MV 6250
34
35struct gpio_desc;
36
37enum sec_device_type {
38 S5M8751X,
39 S5M8763X,
40 S5M8767X,
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_base;
70 int irq;
71 struct regmap_irq_chip_data *irq_data;
72
73 bool wakeup;
74};
75
76int sec_irq_init(struct sec_pmic_dev *sec_pmic);
77void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
78int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
79
80struct sec_platform_data {
81 struct sec_regulator_data *regulators;
82 struct sec_opmode_data *opmode;
83 int device_type;
84 int num_regulators;
85
86 int irq_base;
87 int (*cfg_pmic_irq)(void);
88
89 bool wakeup;
90 bool buck_voltage_lock;
91
92 int buck_gpios[3];
93 int buck_ds[3];
94 unsigned int buck2_voltage[8];
95 bool buck2_gpiodvs;
96 unsigned int buck3_voltage[8];
97 bool buck3_gpiodvs;
98 unsigned int buck4_voltage[8];
99 bool buck4_gpiodvs;
100
101 int buck_set1;
102 int buck_set2;
103 int buck_set3;
104 int buck2_enable;
105 int buck3_enable;
106 int buck4_enable;
107 int buck_default_idx;
108 int buck2_default_idx;
109 int buck3_default_idx;
110 int buck4_default_idx;
111
112 int buck_ramp_delay;
113
114 int buck2_ramp_delay;
115 int buck34_ramp_delay;
116 int buck5_ramp_delay;
117 int buck16_ramp_delay;
118 int buck7810_ramp_delay;
119 int buck9_ramp_delay;
120 int buck24_ramp_delay;
121 int buck3_ramp_delay;
122 int buck7_ramp_delay;
123 int buck8910_ramp_delay;
124
125 bool buck1_ramp_enable;
126 bool buck2_ramp_enable;
127 bool buck3_ramp_enable;
128 bool buck4_ramp_enable;
129 bool buck6_ramp_enable;
130
131 int buck2_init;
132 int buck3_init;
133 int buck4_init;
134 /* Whether or not manually set PWRHOLD to low during shutdown. */
135 bool manual_poweroff;
136 /* Disable the WRSTBI (buck voltage warm reset) when probing? */
137 bool disable_wrstbi;
138};
139
140/**
141 * sec_regulator_data - regulator data
142 * @id: regulator id
143 * @initdata: regulator init data (contraints, supplies, ...)
144 */
145struct sec_regulator_data {
146 int id;
147 struct regulator_init_data *initdata;
148 struct device_node *reg_node;
149 struct gpio_desc *ext_control_gpiod;
150};
151
152/*
153 * sec_opmode_data - regulator operation mode data
154 * @id: regulator id
155 * @mode: regulator operation mode
156 */
157struct sec_opmode_data {
158 int id;
159 unsigned int mode;
160};
161
162/*
163 * samsung regulator operation mode
164 * SEC_OPMODE_OFF Regulator always OFF
165 * SEC_OPMODE_ON Regulator always ON
166 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
167 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
168 * If PWREN is high, regulator is on
169 * If PWREN is low, regulator is off
170 */
171
172enum sec_opmode {
173 SEC_OPMODE_OFF,
174 SEC_OPMODE_ON,
175 SEC_OPMODE_LOWPOWER,
176 SEC_OPMODE_SUSPEND,
177};
178
179#endif /* __LINUX_MFD_SEC_CORE_H */