/* SPDX-License-Identifier: GPL-2.0+ */ /* * max14577.h - Driver for the Maxim 14577/77836 * * Copyright (C) 2014 Samsung Electronics * Chanwoo Choi <cw00.choi@samsung.com> * Krzysztof Kozlowski <krzk@kernel.org> * * 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__ */