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26aec009f6
This device tree support is added for PMIC block of S5m8767 multi function driver. The usage detail is added in the device tree documentation section. This change is tested on exynos5250 based arndale platform by regulator voltage set/get API's. Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Tested-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
163 lines
4.1 KiB
C
163 lines
4.1 KiB
C
/*
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* core.h
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*
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* copyright (c) 2011 Samsung Electronics Co., Ltd
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __LINUX_MFD_SEC_CORE_H
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#define __LINUX_MFD_SEC_CORE_H
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#define NUM_IRQ_REGS 4
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enum sec_device_type {
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S5M8751X,
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S5M8763X,
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S5M8767X,
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S2MPS11X,
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};
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/**
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* struct sec_pmic_dev - s5m87xx master device for sub-drivers
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* @dev: master device of the chip (can be used to access platform data)
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* @pdata: pointer to private data used to pass platform data to child
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* @i2c: i2c client private data for regulator
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* @rtc: i2c client private data for rtc
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* @iolock: mutex for serializing io access
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* @irqlock: mutex for buslock
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* @irq_base: base IRQ number for sec-pmic, required for IRQs
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* @irq: generic IRQ number for s5m87xx
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* @ono: power onoff IRQ number for s5m87xx
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* @irq_masks_cur: currently active value
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* @irq_masks_cache: cached hardware value
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* @type: indicate which s5m87xx "variant" is used
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*/
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struct sec_pmic_dev {
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struct device *dev;
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struct sec_platform_data *pdata;
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struct regmap *regmap;
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struct i2c_client *i2c;
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struct i2c_client *rtc;
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struct mutex iolock;
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struct mutex irqlock;
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int device_type;
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int irq_base;
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int irq;
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struct regmap_irq_chip_data *irq_data;
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int ono;
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u8 irq_masks_cur[NUM_IRQ_REGS];
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u8 irq_masks_cache[NUM_IRQ_REGS];
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int type;
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bool wakeup;
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};
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int sec_irq_init(struct sec_pmic_dev *sec_pmic);
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void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
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int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
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extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest);
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extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
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extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value);
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extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
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extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask);
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struct sec_platform_data {
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struct sec_regulator_data *regulators;
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struct sec_opmode_data *opmode;
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int device_type;
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int num_regulators;
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int irq_base;
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int (*cfg_pmic_irq)(void);
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int ono;
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bool wakeup;
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bool buck_voltage_lock;
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int buck_gpios[3];
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int buck_ds[3];
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unsigned int buck2_voltage[8];
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bool buck2_gpiodvs;
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unsigned int buck3_voltage[8];
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bool buck3_gpiodvs;
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unsigned int buck4_voltage[8];
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bool buck4_gpiodvs;
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int buck_set1;
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int buck_set2;
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int buck_set3;
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int buck2_enable;
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int buck3_enable;
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int buck4_enable;
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int buck_default_idx;
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int buck2_default_idx;
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int buck3_default_idx;
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int buck4_default_idx;
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int buck_ramp_delay;
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int buck2_ramp_delay;
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int buck34_ramp_delay;
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int buck5_ramp_delay;
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int buck16_ramp_delay;
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int buck7810_ramp_delay;
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int buck9_ramp_delay;
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bool buck2_ramp_enable;
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bool buck3_ramp_enable;
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bool buck4_ramp_enable;
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bool buck6_ramp_enable;
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int buck2_init;
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int buck3_init;
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int buck4_init;
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};
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/**
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* sec_regulator_data - regulator data
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* @id: regulator id
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* @initdata: regulator init data (contraints, supplies, ...)
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*/
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struct sec_regulator_data {
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int id;
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struct regulator_init_data *initdata;
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struct device_node *reg_node;
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};
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/*
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* sec_opmode_data - regulator operation mode data
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* @id: regulator id
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* @mode: regulator operation mode
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*/
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struct sec_opmode_data {
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int id;
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unsigned int mode;
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};
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/*
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* samsung regulator operation mode
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* SEC_OPMODE_OFF Regulator always OFF
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* SEC_OPMODE_ON Regulator always ON
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* SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
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* SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
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* If PWREN is high, regulator is on
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* If PWREN is low, regulator is off
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*/
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enum sec_opmode {
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SEC_OPMODE_OFF,
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SEC_OPMODE_ON,
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SEC_OPMODE_LOWPOWER,
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SEC_OPMODE_SUSPEND,
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};
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#endif /* __LINUX_MFD_SEC_CORE_H */
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