include/linux/mfd/samsung/core.h

   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
  38 enum 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  */
  67 struct 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
  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         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  */
 149 struct 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  */
 161 struct 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
 176 enum 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 */