xref: /linux/include/linux/mfd/samsung/core.h (revision 44f57d78)
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 
35 struct gpio_desc;
36 
37 enum 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  */
62 struct 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 
76 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
77 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
78 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
79 
80 struct 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  */
145 struct 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  */
157 struct 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 
172 enum 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 */
180