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TOMOYO Linux Cross Reference
Linux/include/linux/mfd/samsung/core.h

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  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 /* Macros to represent steps for LDO/BUCK */
 34 #define STEP_50_MV              50000
 35 #define STEP_25_MV              25000
 36 #define STEP_12_5_MV            12500
 37 #define STEP_6_25_MV            6250
 38 
 39 enum sec_device_type {
 40         S5M8751X,
 41         S5M8763X,
 42         S5M8767X,
 43         S2MPA01,
 44         S2MPS11X,
 45         S2MPS13X,
 46         S2MPS14X,
 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_base;
 71         int irq;
 72         struct regmap_irq_chip_data *irq_data;
 73 
 74         bool wakeup;
 75 };
 76 
 77 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
 78 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
 79 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
 80 
 81 struct sec_platform_data {
 82         struct sec_regulator_data       *regulators;
 83         struct sec_opmode_data          *opmode;
 84         int                             device_type;
 85         int                             num_regulators;
 86 
 87         int                             irq_base;
 88         int                             (*cfg_pmic_irq)(void);
 89 
 90         bool                            wakeup;
 91         bool                            buck_voltage_lock;
 92 
 93         int                             buck_gpios[3];
 94         int                             buck_ds[3];
 95         unsigned int                    buck2_voltage[8];
 96         bool                            buck2_gpiodvs;
 97         unsigned int                    buck3_voltage[8];
 98         bool                            buck3_gpiodvs;
 99         unsigned int                    buck4_voltage[8];
100         bool                            buck4_gpiodvs;
101 
102         int                             buck_set1;
103         int                             buck_set2;
104         int                             buck_set3;
105         int                             buck2_enable;
106         int                             buck3_enable;
107         int                             buck4_enable;
108         int                             buck_default_idx;
109         int                             buck2_default_idx;
110         int                             buck3_default_idx;
111         int                             buck4_default_idx;
112 
113         int                             buck_ramp_delay;
114 
115         int                             buck2_ramp_delay;
116         int                             buck34_ramp_delay;
117         int                             buck5_ramp_delay;
118         int                             buck16_ramp_delay;
119         int                             buck7810_ramp_delay;
120         int                             buck9_ramp_delay;
121         int                             buck24_ramp_delay;
122         int                             buck3_ramp_delay;
123         int                             buck7_ramp_delay;
124         int                             buck8910_ramp_delay;
125 
126         bool                            buck1_ramp_enable;
127         bool                            buck2_ramp_enable;
128         bool                            buck3_ramp_enable;
129         bool                            buck4_ramp_enable;
130         bool                            buck6_ramp_enable;
131 
132         int                             buck2_init;
133         int                             buck3_init;
134         int                             buck4_init;
135 };
136 
137 /**
138  * sec_regulator_data - regulator data
139  * @id: regulator id
140  * @initdata: regulator init data (contraints, supplies, ...)
141  */
142 struct sec_regulator_data {
143         int                             id;
144         struct regulator_init_data      *initdata;
145         struct device_node              *reg_node;
146         int                             ext_control_gpio;
147 };
148 
149 /*
150  * sec_opmode_data - regulator operation mode data
151  * @id: regulator id
152  * @mode: regulator operation mode
153  */
154 struct sec_opmode_data {
155         int id;
156         unsigned int mode;
157 };
158 
159 /*
160  * samsung regulator operation mode
161  * SEC_OPMODE_OFF       Regulator always OFF
162  * SEC_OPMODE_ON        Regulator always ON
163  * SEC_OPMODE_LOWPOWER  Regulator is on in low-power mode
164  * SEC_OPMODE_SUSPEND   Regulator is changed by PWREN pin
165  *                      If PWREN is high, regulator is on
166  *                      If PWREN is low, regulator is off
167  */
168 
169 enum sec_opmode {
170         SEC_OPMODE_OFF,
171         SEC_OPMODE_ON,
172         SEC_OPMODE_LOWPOWER,
173         SEC_OPMODE_SUSPEND,
174 };
175 
176 #endif /*  __LINUX_MFD_SEC_CORE_H */
177 

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