root/include/linux/regulator/fixed.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * fixed.h
 *
 * Copyright 2008 Wolfson Microelectronics PLC.
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 *
 * Copyright (c) 2009 Nokia Corporation
 * Roger Quadros <ext-roger.quadros@nokia.com>
 */

#ifndef __REGULATOR_FIXED_H
#define __REGULATOR_FIXED_H

struct regulator_init_data;

/**
 * struct fixed_voltage_config - fixed_voltage_config structure
 * @supply_name:        Name of the regulator supply
 * @input_supply:       Name of the input regulator supply
 * @microvolts:         Output voltage of regulator
 * @startup_delay:      Start-up time in microseconds
 * @enabled_at_boot:    Whether regulator has been enabled at
 *                      boot or not. 1 = Yes, 0 = No
 *                      This is used to keep the regulator at
 *                      the default state
 * @init_data:          regulator_init_data
 *
 * This structure contains fixed voltage regulator configuration
 * information that must be passed by platform code to the fixed
 * voltage regulator driver.
 */
struct fixed_voltage_config {
        const char *supply_name;
        const char *input_supply;
        int microvolts;
        unsigned startup_delay;
        unsigned int off_on_delay;
        unsigned enabled_at_boot:1;
        struct regulator_init_data *init_data;
};

struct regulator_consumer_supply;

#if IS_ENABLED(CONFIG_REGULATOR)
struct platform_device *regulator_register_always_on(int id, const char *name,
                struct regulator_consumer_supply *supplies, int num_supplies, int uv);
#else
static inline struct platform_device *regulator_register_always_on(int id, const char *name,
                struct regulator_consumer_supply *supplies, int num_supplies, int uv)
{
        return NULL;
}
#endif

#define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \
                                                "fixed-dummy", s, ns, 0)

#endif