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/*
* include/linux/regulator/fan53555.h
*
* Interface for regulator driver for FairChild fan53555 Processor power supply
*
* 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 __REGULATOR_FAN53555_H
#define __REGULATOR_FAN53555_H
#include <linux/regulator/machine.h>
/*
* struct fan53555_regulator_platform_data - fan53555 regulator platform data.
* When VSEL pin is low, VOUT is set by the VSEL0 register.
* When VSEL pin is high, VOUT is set by the VSEL1 register
*
* @reg_init_data: The regulator init data.
* @vsel_id: Select the voltage id register.
* @vsel0_buck_en: Software Buck enable when EN=high & VSEL=low
* @vsel0_mode: Force PWM mode(1) or Allow auto-PFM mode(0) during light load
* @init_vsel0_min_uV: initial micro volts when EN=high & VSEL=low
* @init_vsel0_max_uV: initial micro volts when EN=high & VSEL=low
* @vsel1_buck_en: Software Buck enable when EN=high & VSEL=high
* @vsel1_mode: Force PWM mode(1) or Allow auto-PFM mode(0) during light load
* @init_vsel1_min_uV: initial micro volts when EN=high & VSEL=high
* @init_vsel1_max_uV: initial micro volts when EN=high & VSEL=high
* @output_discharge: when the regulator is disabled, VOUT discharges
* @slew_rate: slew rate of trasitioning from a low to high voltage
*/
struct fan53555_regulator_platform_data {
struct regulator_init_data reg_init_data;
int vsel_id;
unsigned vsel0_buck_en:1;
unsigned vsel0_mode:1;
int init_vsel0_min_uV;
int init_vsel0_max_uV;
unsigned vsel1_buck_en:1;
unsigned vsel1_mode:1;
int init_vsel1_min_uV;
int init_vsel1_max_uV;
unsigned output_discharge:1;
unsigned slew_rate:3;
};
#endif /* __REGULATOR_FAN53555_H */
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