1 /* 2 * fixed.h 3 * 4 * Copyright 2008 Wolfson Microelectronics PLC. 5 * 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 * 8 * Copyright (c) 2009 Nokia Corporation 9 * Roger Quadros <ext-roger.quadros@nokia.com> 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of the 14 * License, or (at your option) any later version. 15 */ 16 17 #ifndef __REGULATOR_FIXED_H 18 #define __REGULATOR_FIXED_H 19 20 struct regulator_init_data; 21 22 /** 23 * struct fixed_voltage_config - fixed_voltage_config structure 24 * @supply_name: Name of the regulator supply 25 * @microvolts: Output voltage of regulator 26 * @gpio: GPIO to use for enable control 27 * set to -EINVAL if not used 28 * @startup_delay: Start-up time in microseconds 29 * @enable_high: Polarity of enable GPIO 30 * 1 = Active high, 0 = Active low 31 * @enabled_at_boot: Whether regulator has been enabled at 32 * boot or not. 1 = Yes, 0 = No 33 * This is used to keep the regulator at 34 * the default state 35 * @init_data: regulator_init_data 36 * 37 * This structure contains fixed voltage regulator configuration 38 * information that must be passed by platform code to the fixed 39 * voltage regulator driver. 40 */ 41 struct fixed_voltage_config { 42 const char *supply_name; 43 int microvolts; 44 int gpio; 45 unsigned startup_delay; 46 unsigned enable_high:1; 47 unsigned enabled_at_boot:1; 48 struct regulator_init_data *init_data; 49 }; 50 51 struct regulator_consumer_supply; 52 53 #if IS_ENABLED(CONFIG_REGULATOR) 54 struct platform_device *regulator_register_fixed(int id, 55 struct regulator_consumer_supply *supplies, int num_supplies); 56 #else regulator_register_fixed(int id,struct regulator_consumer_supply * supplies,int num_supplies)57static inline struct platform_device *regulator_register_fixed(int id, 58 struct regulator_consumer_supply *supplies, int num_supplies) 59 { 60 return NULL; 61 } 62 #endif 63 64 #endif 65