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/*
* Copyright (c) 2011, NVIDIA Corporation.
*
* 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.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _GPIO_SWITCH_REGULATOR_H
#define _GPIO_SWITCH_REGULATOR_H
#include <linux/regulator/machine.h>
/*
* struct gpio_switch_regulator_subdev_data - Gpio switch regulator subdevice
* data.
*
* Subdevice data to register a gpio regulator switch device driver.
*
* @regulator_name: The name of regulator.
* @input_supply: Input supply name.
* @id: The id of the switch.
* @gpio_nr: Gpio nr which controls this switch.
* @active_low: true if making gpio low makes voltage output enable.
* @init_state: 1 if init_state should be active.
* @voltages: Possible voltages to set at output. The values are in millivolt.
* @n_voltages: Number of voltages.
* @num_consumer_supplies: Number of cosumer supplies.
* @consumer_supplies: List of consumer spllies.
*/
struct gpio_switch_regulator_subdev_data {
const char *regulator_name;
const char *input_supply;
int id;
int gpio_nr;
int active_low;
int pin_group;
int init_state;
int *voltages;
unsigned n_voltages;
struct regulator_consumer_supply *consumer_supplies;
int num_consumer_supplies;
struct regulation_constraints constraints;
int (*enable_rail)(struct gpio_switch_regulator_subdev_data *pdata);
int (*disable_rail)(struct gpio_switch_regulator_subdev_data *pdata);
};
/**
* gpio_switch_regulator_platform_data - platform data for gpio_switch_regulator
* @num_subdevs: number of regulators used
* @subdevs: pointer to regulators used
*/
struct gpio_switch_regulator_platform_data {
int num_subdevs;
struct gpio_switch_regulator_subdev_data **subdevs;
};
#endif
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