cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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max14577.h (2281B)

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