2 * max14577.h - Driver for the Maxim 14577/77836
4 * Copyright (C) 2014 Samsung Electrnoics
5 * Chanwoo Choi <cw00.choi@samsung.com>
6 * Krzysztof Kozlowski <krzk@kernel.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * This driver is based on max8997.h
20 * MAX14577 has MUIC, Charger devices.
21 * The devices share the same I2C bus and interrupt line
22 * included in this mfd driver.
24 * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave
28 #ifndef __MAX14577_H__
29 #define __MAX14577_H__
31 #include <linux/regulator/consumer.h>
33 /* MAX14577 regulator IDs */
34 enum max14577_regulators {
38 MAX14577_REGULATOR_NUM,
41 /* MAX77836 regulator IDs */
42 enum max77836_regulators {
48 MAX77836_REGULATOR_NUM,
51 struct max14577_regulator_platform_data {
53 struct regulator_init_data *initdata;
54 struct device_node *of_node;
57 struct max14577_charger_platform_data {
65 * MAX14577 MFD platform data
67 struct max14577_platform_data {
71 /* current control GPIOs */
72 int gpio_pogo_vbatt_en;
73 int gpio_pogo_vbus_en;
75 /* current control GPIO control function */
76 int (*set_gpio_pogo_vbatt_en) (int gpio_val);
77 int (*set_gpio_pogo_vbus_en) (int gpio_val);
79 int (*set_gpio_pogo_cb) (int new_dev);
81 struct max14577_regulator_platform_data *regulators;
85 * Valid limits of current for max14577 and max77836 chargers.
86 * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4
87 * register for given chipset.
89 struct maxim_charger_current {
90 /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */
93 * Minimal current when high setting is active,
94 * set in CHGCTRL4/MBCICHWRCH, uA
96 unsigned int high_start;
97 /* Value of one step in high setting, uA */
98 unsigned int high_step;
99 /* Maximum current of high setting, uA */
103 extern const struct maxim_charger_current maxim_charger_currents[];
104 extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits,
105 unsigned int min_ua, unsigned int max_ua, u8 *dst);
107 #endif /* __MAX14577_H__ */