linux/mfd/max8998.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /*
0003  * max8998.h - Voltage regulator driver for the Maxim 8998
0004  *
0005  *  Copyright (C) 2009-2010 Samsung Electrnoics
0006  *  Kyungmin Park <kyungmin.park@samsung.com>
0007  *  Marek Szyprowski <m.szyprowski@samsung.com>
0008  */
0009
0010 #ifndef __LINUX_MFD_MAX8998_H
0011 #define __LINUX_MFD_MAX8998_H
0012
0013 #include <linux/regulator/machine.h>
0014
0015 /* MAX 8998 regulator ids */
0016 enum {
0017     MAX8998_LDO2 = 2,
0018     MAX8998_LDO3,
0019     MAX8998_LDO4,
0020     MAX8998_LDO5,
0021     MAX8998_LDO6,
0022     MAX8998_LDO7,
0023     MAX8998_LDO8,
0024     MAX8998_LDO9,
0025     MAX8998_LDO10,
0026     MAX8998_LDO11,
0027     MAX8998_LDO12,
0028     MAX8998_LDO13,
0029     MAX8998_LDO14,
0030     MAX8998_LDO15,
0031     MAX8998_LDO16,
0032     MAX8998_LDO17,
0033     MAX8998_BUCK1,
0034     MAX8998_BUCK2,
0035     MAX8998_BUCK3,
0036     MAX8998_BUCK4,
0037     MAX8998_EN32KHZ_AP,
0038     MAX8998_EN32KHZ_CP,
0039     MAX8998_ENVICHG,
0040     MAX8998_ESAFEOUT1,
0041     MAX8998_ESAFEOUT2,
0042     MAX8998_CHARGER,
0043 };
0044
0045 /**
0046  * max8998_regulator_data - regulator data
0047  * @id: regulator id
0048  * @initdata: regulator init data (contraints, supplies, ...)
0049  * @reg_node: DT node of regulator (unused on non-DT platforms)
0050  */
0051 struct max8998_regulator_data {
0052     int             id;
0053     struct regulator_init_data  *initdata;
0054     struct device_node      *reg_node;
0055 };
0056
0057 /**
0058  * struct max8998_board - packages regulator init data
0059  * @regulators: array of defined regulators
0060  * @num_regulators: number of regulators used
0061  * @irq_base: base IRQ number for max8998, required for IRQs
0062  * @ono: power onoff IRQ number for max8998
0063  * @buck_voltage_lock: Do NOT change the values of the following six
0064  *   registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
0065  *   be other than the preset values.
0066  * @buck1_voltage: BUCK1 DVS mode 1 voltage registers
0067  * @buck2_voltage: BUCK2 DVS mode 2 voltage registers
0068  * @buck1_set1: BUCK1 gpio pin 1 to set output voltage
0069  * @buck1_set2: BUCK1 gpio pin 2 to set output voltage
0070  * @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
0071  * @buck2_set3: BUCK2 gpio pin to set output voltage
0072  * @buck2_default_idx: Default for BUCK2 gpio pin.
0073  * @wakeup: Allow to wake up from suspend
0074  * @rtc_delay: LP3974 RTC chip bug that requires delay after a register
0075  * write before reading it.
0076  * @eoc: End of Charge Level in percent: 10% ~ 45% by 5% step
0077  *   If it equals 0, leave it unchanged.
0078  *   Otherwise, it is a invalid value.
0079  * @restart: Restart Level in mV: 100, 150, 200, and -1 for disable.
0080  *   If it equals 0, leave it unchanged.
0081  *   Otherwise, it is a invalid value.
0082  * @timeout: Full Timeout in hours: 5, 6, 7, and -1 for disable.
0083  *   If it equals 0, leave it unchanged.
0084  *   Otherwise, leave it unchanged.
0085  */
0086 struct max8998_platform_data {
0087     struct max8998_regulator_data   *regulators;
0088     int             num_regulators;
0089     unsigned int            irq_base;
0090     int             ono;
0091     bool                buck_voltage_lock;
0092     int             buck1_voltage[4];
0093     int             buck2_voltage[2];
0094     int             buck1_set1;
0095     int             buck1_set2;
0096     int             buck1_default_idx;
0097     int             buck2_set3;
0098     int             buck2_default_idx;
0099     bool                wakeup;
0100     bool                rtc_delay;
0101     int             eoc;
0102     int             restart;
0103     int             timeout;
0104 };
0105
0106 #endif /*  __LINUX_MFD_MAX8998_H */