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/*
* TI LMU (Lighting Management Unit) Devices
*
* Copyright 2017 Texas Instruments
*
* Author: Milo Kim <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __MFD_TI_LMU_H__
#define __MFD_TI_LMU_H__
#include <linux/gpio.h>
#include <linux/notifier.h>
#include <linux/regmap.h>
/* Notifier event */
#define LMU_EVENT_MONITOR_DONE 0x01
enum ti_lmu_id {
LM3532,
LM3631,
LM3632,
LM3633,
LM3695,
LM3697,
LMU_MAX_ID,
};
enum ti_lmu_max_current {
LMU_IMAX_5mA,
LMU_IMAX_6mA,
LMU_IMAX_7mA = 0x03,
LMU_IMAX_8mA,
LMU_IMAX_9mA,
LMU_IMAX_10mA = 0x07,
LMU_IMAX_11mA,
LMU_IMAX_12mA,
LMU_IMAX_13mA,
LMU_IMAX_14mA,
LMU_IMAX_15mA = 0x0D,
LMU_IMAX_16mA,
LMU_IMAX_17mA,
LMU_IMAX_18mA,
LMU_IMAX_19mA,
LMU_IMAX_20mA = 0x13,
LMU_IMAX_21mA,
LMU_IMAX_22mA,
LMU_IMAX_23mA = 0x17,
LMU_IMAX_24mA,
LMU_IMAX_25mA,
LMU_IMAX_26mA,
LMU_IMAX_27mA = 0x1C,
LMU_IMAX_28mA,
LMU_IMAX_29mA,
LMU_IMAX_30mA,
};
enum lm363x_regulator_id {
LM3631_BOOST, /* Boost output */
LM3631_LDO_CONT, /* Display panel controller */
LM3631_LDO_OREF, /* Gamma reference */
LM3631_LDO_POS, /* Positive display bias output */
LM3631_LDO_NEG, /* Negative display bias output */
LM3632_BOOST, /* Boost output */
LM3632_LDO_POS, /* Positive display bias output */
LM3632_LDO_NEG, /* Negative display bias output */
};
/**
* struct ti_lmu
*
* @dev: Parent device pointer
* @regmap: Used for i2c communcation on accessing registers
* @en_gpio: GPIO for HWEN pin [Optional]
* @notifier: Notifier for reporting hwmon event
*/
struct ti_lmu {
struct device *dev;
struct regmap *regmap;
int en_gpio;
struct blocking_notifier_head notifier;
};
#endif