tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
32/* Macros to represent steps for LDO/BUCK */
33#define STEP_50_MV 50000
34#define STEP_25_MV 25000
35#define STEP_12_5_MV 12500
36#define STEP_6_25_MV 6250
37
38enum sec_device_type {
39 S5M8751X,
40 S5M8763X,
41 S5M8767X,
42 S2MPA01,
43 S2MPS11X,
44 S2MPS14X,
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 * @ono: Power onoff IRQ number for s5m87xx
60 * @wakeup: Whether or not this is a wakeup device
61 * @wtsr_smpl: Whether or not to enable in RTC driver the Watchdog
62 * Timer Software Reset (registers set to default value
63 * after PWRHOLD falling) and Sudden Momentary Power Loss
64 * (PMIC will enter power on sequence after short drop in
65 * VBATT voltage).
66 */
67struct sec_pmic_dev {
68 struct device *dev;
69 struct sec_platform_data *pdata;
70 struct regmap *regmap_pmic;
71 struct i2c_client *i2c;
72
73 unsigned long device_type;
74 int irq_base;
75 int irq;
76 struct regmap_irq_chip_data *irq_data;
77
78 int ono;
79 bool wakeup;
80 bool wtsr_smpl;
81};
82
83int sec_irq_init(struct sec_pmic_dev *sec_pmic);
84void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
85int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
86
87struct 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 int ono;
97 bool wakeup;
98 bool buck_voltage_lock;
99
100 int buck_gpios[3];
101 int buck_ds[3];
102 unsigned int buck2_voltage[8];
103 bool buck2_gpiodvs;
104 unsigned int buck3_voltage[8];
105 bool buck3_gpiodvs;
106 unsigned int buck4_voltage[8];
107 bool buck4_gpiodvs;
108
109 int buck_set1;
110 int buck_set2;
111 int buck_set3;
112 int buck2_enable;
113 int buck3_enable;
114 int buck4_enable;
115 int buck_default_idx;
116 int buck2_default_idx;
117 int buck3_default_idx;
118 int buck4_default_idx;
119
120 int buck_ramp_delay;
121
122 int buck2_ramp_delay;
123 int buck34_ramp_delay;
124 int buck5_ramp_delay;
125 int buck16_ramp_delay;
126 int buck7810_ramp_delay;
127 int buck9_ramp_delay;
128 int buck24_ramp_delay;
129 int buck3_ramp_delay;
130 int buck7_ramp_delay;
131 int buck8910_ramp_delay;
132
133 bool buck1_ramp_enable;
134 bool buck2_ramp_enable;
135 bool buck3_ramp_enable;
136 bool buck4_ramp_enable;
137 bool buck6_ramp_enable;
138
139 int buck2_init;
140 int buck3_init;
141 int buck4_init;
142};
143
144/**
145 * sec_regulator_data - regulator data
146 * @id: regulator id
147 * @initdata: regulator init data (contraints, supplies, ...)
148 */
149struct sec_regulator_data {
150 int id;
151 struct regulator_init_data *initdata;
152 struct device_node *reg_node;
153 int ext_control_gpio;
154};
155
156/*
157 * sec_opmode_data - regulator operation mode data
158 * @id: regulator id
159 * @mode: regulator operation mode
160 */
161struct sec_opmode_data {
162 int id;
163 unsigned int mode;
164};
165
166/*
167 * samsung regulator operation mode
168 * SEC_OPMODE_OFF Regulator always OFF
169 * SEC_OPMODE_ON Regulator always ON
170 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
171 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
172 * If PWREN is high, regulator is on
173 * If PWREN is low, regulator is off
174 */
175
176enum sec_opmode {
177 SEC_OPMODE_OFF,
178 SEC_OPMODE_ON,
179 SEC_OPMODE_LOWPOWER,
180 SEC_OPMODE_SUSPEND,
181};
182
183#endif /* __LINUX_MFD_SEC_CORE_H */