diff options
Diffstat (limited to 'kernel/include/linux/mfd/samsung/core.h')
| -rw-r--r-- | kernel/include/linux/mfd/samsung/core.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/kernel/include/linux/mfd/samsung/core.h b/kernel/include/linux/mfd/samsung/core.h new file mode 100644 index 000000000..75115384f --- /dev/null +++ b/kernel/include/linux/mfd/samsung/core.h @@ -0,0 +1,176 @@ +/* + * core.h + * + * copyright (c) 2011 Samsung Electronics Co., Ltd + * http://www.samsung.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_SEC_CORE_H +#define __LINUX_MFD_SEC_CORE_H + +/* Macros to represent minimum voltages for LDO/BUCK */ +#define MIN_3000_MV 3000000 +#define MIN_2500_MV 2500000 +#define MIN_2000_MV 2000000 +#define MIN_1800_MV 1800000 +#define MIN_1500_MV 1500000 +#define MIN_1400_MV 1400000 +#define MIN_1000_MV 1000000 + +#define MIN_900_MV 900000 +#define MIN_850_MV 850000 +#define MIN_800_MV 800000 +#define MIN_750_MV 750000 +#define MIN_600_MV 600000 +#define MIN_500_MV 500000 + +/* Macros to represent steps for LDO/BUCK */ +#define STEP_50_MV 50000 +#define STEP_25_MV 25000 +#define STEP_12_5_MV 12500 +#define STEP_6_25_MV 6250 + +enum sec_device_type { + S5M8751X, + S5M8763X, + S5M8767X, + S2MPA01, + S2MPS11X, + S2MPS13X, + S2MPS14X, + S2MPU02, +}; + +/** + * struct sec_pmic_dev - s2m/s5m master device for sub-drivers + * @dev: Master device of the chip + * @pdata: Platform data populated with data from DTS + * or board files + * @regmap_pmic: Regmap associated with PMIC's I2C address + * @i2c: I2C client of the main driver + * @device_type: Type of device, matches enum sec_device_type + * @irq_base: Base IRQ number for device, required for IRQs + * @irq: Generic IRQ number for device + * @irq_data: Runtime data structure for IRQ controller + * @wakeup: Whether or not this is a wakeup device + */ +struct sec_pmic_dev { + struct device *dev; + struct sec_platform_data *pdata; + struct regmap *regmap_pmic; + struct i2c_client *i2c; + + unsigned long device_type; + int irq_base; + int irq; + struct regmap_irq_chip_data *irq_data; + + bool wakeup; +}; + +int sec_irq_init(struct sec_pmic_dev *sec_pmic); +void sec_irq_exit(struct sec_pmic_dev *sec_pmic); +int sec_irq_resume(struct sec_pmic_dev *sec_pmic); + +struct sec_platform_data { + struct sec_regulator_data *regulators; + struct sec_opmode_data *opmode; + int device_type; + int num_regulators; + + int irq_base; + int (*cfg_pmic_irq)(void); + + bool wakeup; + bool buck_voltage_lock; + + int buck_gpios[3]; + int buck_ds[3]; + unsigned int buck2_voltage[8]; + bool buck2_gpiodvs; + unsigned int buck3_voltage[8]; + bool buck3_gpiodvs; + unsigned int buck4_voltage[8]; + bool buck4_gpiodvs; + + int buck_set1; + int buck_set2; + int buck_set3; + int buck2_enable; + int buck3_enable; + int buck4_enable; + int buck_default_idx; + int buck2_default_idx; + int buck3_default_idx; + int buck4_default_idx; + + int buck_ramp_delay; + + int buck2_ramp_delay; + int buck34_ramp_delay; + int buck5_ramp_delay; + int buck16_ramp_delay; + int buck7810_ramp_delay; + int buck9_ramp_delay; + int buck24_ramp_delay; + int buck3_ramp_delay; + int buck7_ramp_delay; + int buck8910_ramp_delay; + + bool buck1_ramp_enable; + bool buck2_ramp_enable; + bool buck3_ramp_enable; + bool buck4_ramp_enable; + bool buck6_ramp_enable; + + int buck2_init; + int buck3_init; + int buck4_init; +}; + +/** + * sec_regulator_data - regulator data + * @id: regulator id + * @initdata: regulator init data (contraints, supplies, ...) + */ +struct sec_regulator_data { + int id; + struct regulator_init_data *initdata; + struct device_node *reg_node; + int ext_control_gpio; +}; + +/* + * sec_opmode_data - regulator operation mode data + * @id: regulator id + * @mode: regulator operation mode + */ +struct sec_opmode_data { + int id; + unsigned int mode; +}; + +/* + * samsung regulator operation mode + * SEC_OPMODE_OFF Regulator always OFF + * SEC_OPMODE_ON Regulator always ON + * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode + * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin + * If PWREN is high, regulator is on + * If PWREN is low, regulator is off + */ + +enum sec_opmode { + SEC_OPMODE_OFF, + SEC_OPMODE_ON, + SEC_OPMODE_LOWPOWER, + SEC_OPMODE_SUSPEND, +}; + +#endif /* __LINUX_MFD_SEC_CORE_H */ |