Edit File: fixed.h
/* * 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> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. */ #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 * @gpio: GPIO to use for enable control * set to -EINVAL if not used * @startup_delay: Start-up time in microseconds * @gpio_is_open_drain: Gpio pin is open drain or normal type. * If it is open drain type then HIGH will be set * through PULL-UP with setting gpio as input * and low will be set as gpio-output with driven * to low. For non-open-drain case, the gpio will * will be in output and drive to low/high accordingly. * @enable_high: Polarity of enable GPIO * 1 = Active high, 0 = Active low * @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; int gpio; unsigned startup_delay; unsigned gpio_is_open_drain:1; unsigned enable_high:1; 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