/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2012 Texas Instruments
 *
 * Author: Milo(Woogyom) Kim <[email protected]>
 */

#ifndef __LP872X_REGULATOR_H__
#define __LP872X_REGULATOR_H__

#include <linux/regulator/machine.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>

#define LP872X_MAX_REGULATORS        9

#define LP8720_ENABLE_DELAY        200
#define LP8725_ENABLE_DELAY        30000

enum lp872x_regulator_id {
    LP8720_ID_BASE,
    LP8720_ID_LDO1 = LP8720_ID_BASE,
    LP8720_ID_LDO2,
    LP8720_ID_LDO3,
    LP8720_ID_LDO4,
    LP8720_ID_LDO5,
    LP8720_ID_BUCK,

    LP8725_ID_BASE,
    LP8725_ID_LDO1 = LP8725_ID_BASE,
    LP8725_ID_LDO2,
    LP8725_ID_LDO3,
    LP8725_ID_LDO4,
    LP8725_ID_LDO5,
    LP8725_ID_LILO1,
    LP8725_ID_LILO2,
    LP8725_ID_BUCK1,
    LP8725_ID_BUCK2,

    LP872X_ID_MAX,
};

enum lp872x_dvs_sel {
    SEL_V1,
    SEL_V2,
};

/**
 * lp872x_dvs
 * @gpio       : gpio descriptor for dvs control
 * @vsel       : dvs selector for buck v1 or buck v2 register
 * @init_state : initial dvs pin state
 */
struct lp872x_dvs {
    struct gpio_desc *gpio;
    enum lp872x_dvs_sel vsel;
    enum gpiod_flags init_state;
};

/**
 * lp872x_regdata
 * @id        : regulator id
 * @init_data : init data for each regulator
 */
struct lp872x_regulator_data {
    enum lp872x_regulator_id id;
    struct regulator_init_data *init_data;
};

/**
 * lp872x_platform_data
 * @general_config    : the value of LP872X_GENERAL_CFG register
 * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
 * @regulator_data    : platform regulator id and init data
 * @dvs               : dvs data for buck voltage control
 * @enable_gpio       : gpio descriptor for enable control
 */
struct lp872x_platform_data {
    u8 general_config;
    bool update_config;
    struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
    struct lp872x_dvs *dvs;
    struct gpio_desc *enable_gpio;
};

#endif