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 #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 */