108 строки
2.7 KiB
C
108 строки
2.7 KiB
C
/*
|
|
* max14577.h - Driver for the Maxim 14577/77836
|
|
*
|
|
* Copyright (C) 2014 Samsung Electrnoics
|
|
* Chanwoo Choi <cw00.choi@samsung.com>
|
|
* Krzysztof Kozlowski <k.kozlowski@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.
|
|
*
|
|
* This driver is based on max8997.h
|
|
*
|
|
* MAX14577 has MUIC, Charger devices.
|
|
* The devices share the same I2C bus and interrupt line
|
|
* included in this mfd driver.
|
|
*
|
|
* MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave
|
|
* addresses.
|
|
*/
|
|
|
|
#ifndef __MAX14577_H__
|
|
#define __MAX14577_H__
|
|
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
/* MAX14577 regulator IDs */
|
|
enum max14577_regulators {
|
|
MAX14577_SAFEOUT = 0,
|
|
MAX14577_CHARGER,
|
|
|
|
MAX14577_REGULATOR_NUM,
|
|
};
|
|
|
|
/* MAX77836 regulator IDs */
|
|
enum max77836_regulators {
|
|
MAX77836_SAFEOUT = 0,
|
|
MAX77836_CHARGER,
|
|
MAX77836_LDO1,
|
|
MAX77836_LDO2,
|
|
|
|
MAX77836_REGULATOR_NUM,
|
|
};
|
|
|
|
struct max14577_regulator_platform_data {
|
|
int id;
|
|
struct regulator_init_data *initdata;
|
|
struct device_node *of_node;
|
|
};
|
|
|
|
struct max14577_charger_platform_data {
|
|
u32 constant_uvolt;
|
|
u32 fast_charge_uamp;
|
|
u32 eoc_uamp;
|
|
u32 ovp_uvolt;
|
|
};
|
|
|
|
/*
|
|
* MAX14577 MFD platform data
|
|
*/
|
|
struct max14577_platform_data {
|
|
/* IRQ */
|
|
int irq_base;
|
|
|
|
/* current control GPIOs */
|
|
int gpio_pogo_vbatt_en;
|
|
int gpio_pogo_vbus_en;
|
|
|
|
/* current control GPIO control function */
|
|
int (*set_gpio_pogo_vbatt_en) (int gpio_val);
|
|
int (*set_gpio_pogo_vbus_en) (int gpio_val);
|
|
|
|
int (*set_gpio_pogo_cb) (int new_dev);
|
|
|
|
struct max14577_regulator_platform_data *regulators;
|
|
};
|
|
|
|
/*
|
|
* Valid limits of current for max14577 and max77836 chargers.
|
|
* They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4
|
|
* register for given chipset.
|
|
*/
|
|
struct maxim_charger_current {
|
|
/* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */
|
|
unsigned int min;
|
|
/*
|
|
* Minimal current when high setting is active,
|
|
* set in CHGCTRL4/MBCICHWRCH, uA
|
|
*/
|
|
unsigned int high_start;
|
|
/* Value of one step in high setting, uA */
|
|
unsigned int high_step;
|
|
/* Maximum current of high setting, uA */
|
|
unsigned int max;
|
|
};
|
|
|
|
extern const struct maxim_charger_current maxim_charger_currents[];
|
|
extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits,
|
|
unsigned int min_ua, unsigned int max_ua, u8 *dst);
|
|
|
|
#endif /* __MAX14577_H__ */
|