root/include/linux/mfd/ti-lmu.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * TI LMU (Lighting Management Unit) Devices
 *
 * Copyright 2017 Texas Instruments
 *
 * Author: Milo Kim <milo.kim@ti.com>
 */

#ifndef __MFD_TI_LMU_H__
#define __MFD_TI_LMU_H__

#include <linux/gpio.h>
#include <linux/notifier.h>
#include <linux/regmap.h>
#include <linux/gpio/consumer.h>

/* Notifier event */
#define LMU_EVENT_MONITOR_DONE          0x01

enum ti_lmu_id {
        LM3631,
        LM3632,
        LM3633,
        LM3695,
        LM36274,
        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 */
        LM36274_BOOST,          /* Boost output */
        LM36274_LDO_POS,        /* Positive display bias output */
        LM36274_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;
        struct gpio_desc *en_gpio;
        struct blocking_notifier_head notifier;
};
#endif