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