You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.4 KiB
76 lines
2.4 KiB
/*
|
|
* 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
|
|
|