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 enum 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  */
  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         bool wakeup;
  79 };
  80
  81 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
  82 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
  83 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
  84
  85 struct 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  */
 150 struct 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  */
 162 struct 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
 177 enum 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 */