xref: /openbmc/linux/include/linux/mfd/samsung/core.h (revision ba61bb17)
1 /*
2  * core.h
3  *
4  * copyright (c) 2011 Samsung Electronics Co., Ltd
5  *              http://www.samsung.com
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13 
14 #ifndef __LINUX_MFD_SEC_CORE_H
15 #define __LINUX_MFD_SEC_CORE_H
16 
17 /* Macros to represent minimum voltages for LDO/BUCK */
18 #define MIN_3000_MV		3000000
19 #define MIN_2500_MV		2500000
20 #define MIN_2000_MV		2000000
21 #define MIN_1800_MV		1800000
22 #define MIN_1500_MV		1500000
23 #define MIN_1400_MV		1400000
24 #define MIN_1000_MV		1000000
25 
26 #define MIN_900_MV		900000
27 #define MIN_850_MV		850000
28 #define MIN_800_MV		800000
29 #define MIN_750_MV		750000
30 #define MIN_600_MV		600000
31 #define MIN_500_MV		500000
32 
33 /* Ramp delay in uV/us */
34 #define RAMP_DELAY_12_MVUS	12000
35 
36 /* Macros to represent steps for LDO/BUCK */
37 #define STEP_50_MV		50000
38 #define STEP_25_MV		25000
39 #define STEP_12_5_MV		12500
40 #define STEP_6_25_MV		6250
41 
42 struct gpio_desc;
43 
44 enum sec_device_type {
45 	S5M8751X,
46 	S5M8763X,
47 	S5M8767X,
48 	S2MPA01,
49 	S2MPS11X,
50 	S2MPS13X,
51 	S2MPS14X,
52 	S2MPS15X,
53 	S2MPU02,
54 };
55 
56 /**
57  * struct sec_pmic_dev - s2m/s5m master device for sub-drivers
58  * @dev:		Master device of the chip
59  * @pdata:		Platform data populated with data from DTS
60  *			or board files
61  * @regmap_pmic:	Regmap associated with PMIC's I2C address
62  * @i2c:		I2C client of the main driver
63  * @device_type:	Type of device, matches enum sec_device_type
64  * @irq_base:		Base IRQ number for device, required for IRQs
65  * @irq:		Generic IRQ number for device
66  * @irq_data:		Runtime data structure for IRQ controller
67  * @wakeup:		Whether or not this is a wakeup device
68  */
69 struct sec_pmic_dev {
70 	struct device *dev;
71 	struct sec_platform_data *pdata;
72 	struct regmap *regmap_pmic;
73 	struct i2c_client *i2c;
74 
75 	unsigned long device_type;
76 	int irq_base;
77 	int irq;
78 	struct regmap_irq_chip_data *irq_data;
79 
80 	bool wakeup;
81 };
82 
83 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
84 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
85 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
86 
87 struct sec_platform_data {
88 	struct sec_regulator_data	*regulators;
89 	struct sec_opmode_data		*opmode;
90 	int				device_type;
91 	int				num_regulators;
92 
93 	int				irq_base;
94 	int				(*cfg_pmic_irq)(void);
95 
96 	bool				wakeup;
97 	bool				buck_voltage_lock;
98 
99 	int				buck_gpios[3];
100 	int				buck_ds[3];
101 	unsigned int			buck2_voltage[8];
102 	bool				buck2_gpiodvs;
103 	unsigned int			buck3_voltage[8];
104 	bool				buck3_gpiodvs;
105 	unsigned int			buck4_voltage[8];
106 	bool				buck4_gpiodvs;
107 
108 	int				buck_set1;
109 	int				buck_set2;
110 	int				buck_set3;
111 	int				buck2_enable;
112 	int				buck3_enable;
113 	int				buck4_enable;
114 	int				buck_default_idx;
115 	int				buck2_default_idx;
116 	int				buck3_default_idx;
117 	int				buck4_default_idx;
118 
119 	int				buck_ramp_delay;
120 
121 	int				buck2_ramp_delay;
122 	int				buck34_ramp_delay;
123 	int				buck5_ramp_delay;
124 	int				buck16_ramp_delay;
125 	int				buck7810_ramp_delay;
126 	int				buck9_ramp_delay;
127 	int				buck24_ramp_delay;
128 	int				buck3_ramp_delay;
129 	int				buck7_ramp_delay;
130 	int				buck8910_ramp_delay;
131 
132 	bool				buck1_ramp_enable;
133 	bool				buck2_ramp_enable;
134 	bool				buck3_ramp_enable;
135 	bool				buck4_ramp_enable;
136 	bool				buck6_ramp_enable;
137 
138 	int				buck2_init;
139 	int				buck3_init;
140 	int				buck4_init;
141 	/* Whether or not manually set PWRHOLD to low during shutdown. */
142 	bool				manual_poweroff;
143 	/* Disable the WRSTBI (buck voltage warm reset) when probing? */
144 	bool				disable_wrstbi;
145 };
146 
147 /**
148  * sec_regulator_data - regulator data
149  * @id: regulator id
150  * @initdata: regulator init data (contraints, supplies, ...)
151  */
152 struct sec_regulator_data {
153 	int				id;
154 	struct regulator_init_data	*initdata;
155 	struct device_node		*reg_node;
156 	struct gpio_desc		*ext_control_gpiod;
157 };
158 
159 /*
160  * sec_opmode_data - regulator operation mode data
161  * @id: regulator id
162  * @mode: regulator operation mode
163  */
164 struct sec_opmode_data {
165 	int id;
166 	unsigned int mode;
167 };
168 
169 /*
170  * samsung regulator operation mode
171  * SEC_OPMODE_OFF	Regulator always OFF
172  * SEC_OPMODE_ON	Regulator always ON
173  * SEC_OPMODE_LOWPOWER  Regulator is on in low-power mode
174  * SEC_OPMODE_SUSPEND   Regulator is changed by PWREN pin
175  *			If PWREN is high, regulator is on
176  *			If PWREN is low, regulator is off
177  */
178 
179 enum sec_opmode {
180 	SEC_OPMODE_OFF,
181 	SEC_OPMODE_ON,
182 	SEC_OPMODE_LOWPOWER,
183 	SEC_OPMODE_SUSPEND,
184 };
185 
186 #endif /*  __LINUX_MFD_SEC_CORE_H */
187