1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * max14577.h - Driver for the Maxim 14577/77836 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2014 Samsung Electrnoics 6*4882a593Smuzhiyun * Chanwoo Choi <cw00.choi@samsung.com> 7*4882a593Smuzhiyun * Krzysztof Kozlowski <krzk@kernel.org> 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This driver is based on max8997.h 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * MAX14577 has MUIC, Charger devices. 12*4882a593Smuzhiyun * The devices share the same I2C bus and interrupt line 13*4882a593Smuzhiyun * included in this mfd driver. 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave 16*4882a593Smuzhiyun * addresses. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifndef __MAX14577_H__ 20*4882a593Smuzhiyun #define __MAX14577_H__ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #include <linux/regulator/consumer.h> 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* MAX14577 regulator IDs */ 25*4882a593Smuzhiyun enum max14577_regulators { 26*4882a593Smuzhiyun MAX14577_SAFEOUT = 0, 27*4882a593Smuzhiyun MAX14577_CHARGER, 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun MAX14577_REGULATOR_NUM, 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* MAX77836 regulator IDs */ 33*4882a593Smuzhiyun enum max77836_regulators { 34*4882a593Smuzhiyun MAX77836_SAFEOUT = 0, 35*4882a593Smuzhiyun MAX77836_CHARGER, 36*4882a593Smuzhiyun MAX77836_LDO1, 37*4882a593Smuzhiyun MAX77836_LDO2, 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun MAX77836_REGULATOR_NUM, 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct max14577_regulator_platform_data { 43*4882a593Smuzhiyun int id; 44*4882a593Smuzhiyun struct regulator_init_data *initdata; 45*4882a593Smuzhiyun struct device_node *of_node; 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun struct max14577_charger_platform_data { 49*4882a593Smuzhiyun u32 constant_uvolt; 50*4882a593Smuzhiyun u32 fast_charge_uamp; 51*4882a593Smuzhiyun u32 eoc_uamp; 52*4882a593Smuzhiyun u32 ovp_uvolt; 53*4882a593Smuzhiyun }; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /* 56*4882a593Smuzhiyun * MAX14577 MFD platform data 57*4882a593Smuzhiyun */ 58*4882a593Smuzhiyun struct max14577_platform_data { 59*4882a593Smuzhiyun /* IRQ */ 60*4882a593Smuzhiyun int irq_base; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* current control GPIOs */ 63*4882a593Smuzhiyun int gpio_pogo_vbatt_en; 64*4882a593Smuzhiyun int gpio_pogo_vbus_en; 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun /* current control GPIO control function */ 67*4882a593Smuzhiyun int (*set_gpio_pogo_vbatt_en) (int gpio_val); 68*4882a593Smuzhiyun int (*set_gpio_pogo_vbus_en) (int gpio_val); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun int (*set_gpio_pogo_cb) (int new_dev); 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct max14577_regulator_platform_data *regulators; 73*4882a593Smuzhiyun }; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun /* 76*4882a593Smuzhiyun * Valid limits of current for max14577 and max77836 chargers. 77*4882a593Smuzhiyun * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4 78*4882a593Smuzhiyun * register for given chipset. 79*4882a593Smuzhiyun */ 80*4882a593Smuzhiyun struct maxim_charger_current { 81*4882a593Smuzhiyun /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */ 82*4882a593Smuzhiyun unsigned int min; 83*4882a593Smuzhiyun /* 84*4882a593Smuzhiyun * Minimal current when high setting is active, 85*4882a593Smuzhiyun * set in CHGCTRL4/MBCICHWRCH, uA 86*4882a593Smuzhiyun */ 87*4882a593Smuzhiyun unsigned int high_start; 88*4882a593Smuzhiyun /* Value of one step in high setting, uA */ 89*4882a593Smuzhiyun unsigned int high_step; 90*4882a593Smuzhiyun /* Maximum current of high setting, uA */ 91*4882a593Smuzhiyun unsigned int max; 92*4882a593Smuzhiyun }; 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun extern const struct maxim_charger_current maxim_charger_currents[]; 95*4882a593Smuzhiyun extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits, 96*4882a593Smuzhiyun unsigned int min_ua, unsigned int max_ua, u8 *dst); 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun #endif /* __MAX14577_H__ */ 99