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/* 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
  42enum sec_device_type {
  43        S5M8751X,
  44        S5M8763X,
  45        S5M8767X,
  46        S2MPA01,
  47        S2MPS11X,
  48        S2MPS13X,
  49        S2MPS14X,
  50        S2MPS15X,
  51        S2MPU02,
  52};
  53
  54/**
  55 * struct sec_pmic_dev - s2m/s5m master device for sub-drivers
  56 * @dev:                Master device of the chip
  57 * @pdata:              Platform data populated with data from DTS
  58 *                      or board files
  59 * @regmap_pmic:        Regmap associated with PMIC's I2C address
  60 * @i2c:                I2C client of the main driver
  61 * @device_type:        Type of device, matches enum sec_device_type
  62 * @irq_base:           Base IRQ number for device, required for IRQs
  63 * @irq:                Generic IRQ number for device
  64 * @irq_data:           Runtime data structure for IRQ controller
  65 * @wakeup:             Whether or not this is a wakeup device
  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        bool wakeup;
  79};
  80
  81int sec_irq_init(struct sec_pmic_dev *sec_pmic);
  82void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
  83int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
  84
  85struct sec_platform_data {
  86        struct sec_regulator_data       *regulators;
  87        struct sec_opmode_data          *opmode;
  88        int                             device_type;
  89        int                             num_regulators;
  90
  91        int                             irq_base;
  92        int                             (*cfg_pmic_irq)(void);
  93
  94        bool                            wakeup;
  95        bool                            buck_voltage_lock;
  96
  97        int                             buck_gpios[3];
  98        int                             buck_ds[3];
  99        unsigned int                    buck2_voltage[8];
 100        bool                            buck2_gpiodvs;
 101        unsigned int                    buck3_voltage[8];
 102        bool                            buck3_gpiodvs;
 103        unsigned int                    buck4_voltage[8];
 104        bool                            buck4_gpiodvs;
 105
 106        int                             buck_set1;
 107        int                             buck_set2;
 108        int                             buck_set3;
 109        int                             buck2_enable;
 110        int                             buck3_enable;
 111        int                             buck4_enable;
 112        int                             buck_default_idx;
 113        int                             buck2_default_idx;
 114        int                             buck3_default_idx;
 115        int                             buck4_default_idx;
 116
 117        int                             buck_ramp_delay;
 118
 119        int                             buck2_ramp_delay;
 120        int                             buck34_ramp_delay;
 121        int                             buck5_ramp_delay;
 122        int                             buck16_ramp_delay;
 123        int                             buck7810_ramp_delay;
 124        int                             buck9_ramp_delay;
 125        int                             buck24_ramp_delay;
 126        int                             buck3_ramp_delay;
 127        int                             buck7_ramp_delay;
 128        int                             buck8910_ramp_delay;
 129
 130        bool                            buck1_ramp_enable;
 131        bool                            buck2_ramp_enable;
 132        bool                            buck3_ramp_enable;
 133        bool                            buck4_ramp_enable;
 134        bool                            buck6_ramp_enable;
 135
 136        int                             buck2_init;
 137        int                             buck3_init;
 138        int                             buck4_init;
 139        /* Whether or not manually set PWRHOLD to low during shutdown. */
 140        bool                            manual_poweroff;
 141        /* Disable the WRSTBI (buck voltage warm reset) when probing? */
 142        bool                            disable_wrstbi;
 143};
 144
 145/**
 146 * sec_regulator_data - regulator data
 147 * @id: regulator id
 148 * @initdata: regulator init data (contraints, supplies, ...)
 149 */
 150struct sec_regulator_data {
 151        int                             id;
 152        struct regulator_init_data      *initdata;
 153        struct device_node              *reg_node;
 154        int                             ext_control_gpio;
 155};
 156
 157/*
 158 * sec_opmode_data - regulator operation mode data
 159 * @id: regulator id
 160 * @mode: regulator operation mode
 161 */
 162struct sec_opmode_data {
 163        int id;
 164        unsigned int mode;
 165};
 166
 167/*
 168 * samsung regulator operation mode
 169 * SEC_OPMODE_OFF       Regulator always OFF
 170 * SEC_OPMODE_ON        Regulator always ON
 171 * SEC_OPMODE_LOWPOWER  Regulator is on in low-power mode
 172 * SEC_OPMODE_SUSPEND   Regulator is changed by PWREN pin
 173 *                      If PWREN is high, regulator is on
 174 *                      If PWREN is low, regulator is off
 175 */
 176
 177enum sec_opmode {
 178        SEC_OPMODE_OFF,
 179        SEC_OPMODE_ON,
 180        SEC_OPMODE_LOWPOWER,
 181        SEC_OPMODE_SUSPEND,
 182};
 183
 184#endif /*  __LINUX_MFD_SEC_CORE_H */
 185