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