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/*
* max8998.h - Voltage regulator driver for the Maxim 8998
*
* Copyright (C) 2009-2010 Samsung Electrnoics
* Kyungmin Park <kyungmin.park@samsung.com>
* Marek Szyprowski <m.szyprowski@samsung.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.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_MFD_MAX8998_H
#define __LINUX_MFD_MAX8998_H
#include <linux/regulator/machine.h>
/* MAX 8998 regulator ids */
enum {
MAX8998_LDO2 = 2,
MAX8998_LDO3,
MAX8998_LDO4,
MAX8998_LDO5,
MAX8998_LDO6,
MAX8998_LDO7,
MAX8998_LDO8,
MAX8998_LDO9,
MAX8998_LDO10,
MAX8998_LDO11,
MAX8998_LDO12,
MAX8998_LDO13,
MAX8998_LDO14,
MAX8998_LDO15,
MAX8998_LDO16,
MAX8998_LDO17,
MAX8998_BUCK1,
MAX8998_BUCK2,
MAX8998_BUCK3,
MAX8998_BUCK4,
MAX8998_EN32KHZ_AP,
MAX8998_EN32KHZ_CP,
MAX8998_ENVICHG,
MAX8998_ESAFEOUT1,
MAX8998_ESAFEOUT2,
};
/**
* max8998_regulator_data - regulator data
* @id: regulator id
* @initdata: regulator init data (contraints, supplies, ...)
* @reg_node: DT node of regulator (unused on non-DT platforms)
*/
struct max8998_regulator_data {
int id;
struct regulator_init_data *initdata;
struct device_node *reg_node;
};
/**
* struct max8998_board - packages regulator init data
* @regulators: array of defined regulators
* @num_regulators: number of regulators used
* @irq_base: base IRQ number for max8998, required for IRQs
* @ono: power onoff IRQ number for max8998
* @buck_voltage_lock: Do NOT change the values of the following six
* registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
* be other than the preset values.
* @buck1_voltage: BUCK1 DVS mode 1 voltage registers
* @buck2_voltage: BUCK2 DVS mode 2 voltage registers
* @buck1_set1: BUCK1 gpio pin 1 to set output voltage
* @buck1_set2: BUCK1 gpio pin 2 to set output voltage
* @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
* @buck2_set3: BUCK2 gpio pin to set output voltage
* @buck2_default_idx: Default for BUCK2 gpio pin.
* @wakeup: Allow to wake up from suspend
* @rtc_delay: LP3974 RTC chip bug that requires delay after a register
* write before reading it.
* @eoc: End of Charge Level in percent: 10% ~ 45% by 5% step
* If it equals 0, leave it unchanged.
* Otherwise, it is a invalid value.
* @restart: Restart Level in mV: 100, 150, 200, and -1 for disable.
* If it equals 0, leave it unchanged.
* Otherwise, it is a invalid value.
* @timeout: Full Timeout in hours: 5, 6, 7, and -1 for disable.
* If it equals 0, leave it unchanged.
* Otherwise, leave it unchanged.
*/
struct max8998_platform_data {
struct max8998_regulator_data *regulators;
int num_regulators;
unsigned int irq_base;
int ono;
bool buck_voltage_lock;
int buck1_voltage[4];
int buck2_voltage[2];
int buck1_set1;
int buck1_set2;
int buck1_default_idx;
int buck2_set3;
int buck2_default_idx;
bool wakeup;
bool rtc_delay;
int eoc;
int restart;
int timeout;
};
#endif /* __LINUX_MFD_MAX8998_H */
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