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;
71 	struct regmap_irq_chip_data *irq_data;
72 };
73 
74 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
75 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
76 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
77 
78 struct 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  */
113 struct 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  */
125 struct 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 
140 enum 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 */
148