| /* |
| * 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 endup_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 |