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f25828a1ea
This rewrites the max8998 regulator driver to fetch the dvs regulators as descriptors. This will likely mostly come from the device tree since there are no in-tree users of the platform data, but supplying GPIO descriptor tables from board files is also possible if needed. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://msgid.link/r/20240220-descriptors-regulators-v1-5-097f608694be@linaro.org Acked-by: Lee Jones <lee@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org>
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* max8998.h - Voltage regulator driver for the Maxim 8998
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*
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* Copyright (C) 2009-2010 Samsung Electrnoics
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* Kyungmin Park <kyungmin.park@samsung.com>
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* Marek Szyprowski <m.szyprowski@samsung.com>
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*/
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#ifndef __LINUX_MFD_MAX8998_H
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#define __LINUX_MFD_MAX8998_H
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#include <linux/regulator/machine.h>
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/* MAX 8998 regulator ids */
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enum {
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MAX8998_LDO2 = 2,
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MAX8998_LDO3,
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MAX8998_LDO4,
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MAX8998_LDO5,
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MAX8998_LDO6,
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MAX8998_LDO7,
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MAX8998_LDO8,
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MAX8998_LDO9,
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MAX8998_LDO10,
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MAX8998_LDO11,
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MAX8998_LDO12,
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MAX8998_LDO13,
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MAX8998_LDO14,
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MAX8998_LDO15,
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MAX8998_LDO16,
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MAX8998_LDO17,
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MAX8998_BUCK1,
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MAX8998_BUCK2,
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MAX8998_BUCK3,
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MAX8998_BUCK4,
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MAX8998_EN32KHZ_AP,
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MAX8998_EN32KHZ_CP,
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MAX8998_ENVICHG,
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MAX8998_ESAFEOUT1,
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MAX8998_ESAFEOUT2,
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MAX8998_CHARGER,
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};
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/**
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* max8998_regulator_data - regulator data
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* @id: regulator id
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* @initdata: regulator init data (contraints, supplies, ...)
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* @reg_node: DT node of regulator (unused on non-DT platforms)
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*/
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struct max8998_regulator_data {
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int id;
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struct regulator_init_data *initdata;
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struct device_node *reg_node;
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};
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/**
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* struct max8998_board - packages regulator init data
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* @regulators: array of defined regulators
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* @num_regulators: number of regulators used
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* @irq_base: base IRQ number for max8998, required for IRQs
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* @ono: power onoff IRQ number for max8998
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* @buck_voltage_lock: Do NOT change the values of the following six
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* registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
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* be other than the preset values.
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* @buck1_voltage: BUCK1 DVS mode 1 voltage registers
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* @buck2_voltage: BUCK2 DVS mode 2 voltage registers
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* @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
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* @buck2_default_idx: Default for BUCK2 gpio pin.
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* @wakeup: Allow to wake up from suspend
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* @rtc_delay: LP3974 RTC chip bug that requires delay after a register
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* write before reading it.
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* @eoc: End of Charge Level in percent: 10% ~ 45% by 5% step
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* If it equals 0, leave it unchanged.
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* Otherwise, it is a invalid value.
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* @restart: Restart Level in mV: 100, 150, 200, and -1 for disable.
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* If it equals 0, leave it unchanged.
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* Otherwise, it is a invalid value.
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* @timeout: Full Timeout in hours: 5, 6, 7, and -1 for disable.
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* If it equals 0, leave it unchanged.
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* Otherwise, leave it unchanged.
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*/
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struct max8998_platform_data {
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struct max8998_regulator_data *regulators;
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int num_regulators;
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unsigned int irq_base;
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int ono;
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bool buck_voltage_lock;
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int buck1_voltage[4];
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int buck2_voltage[2];
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int buck1_default_idx;
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int buck2_default_idx;
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bool wakeup;
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bool rtc_delay;
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int eoc;
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int restart;
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int timeout;
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};
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#endif /* __LINUX_MFD_MAX8998_H */
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