name : max8973-regulator.h /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * max8973-regulator.h -- MAXIM 8973 regulator * * Interface for regulator driver for MAXIM 8973 DC-DC step-down * switching regulator. * * Copyright (C) 2012 NVIDIA Corporation * Author: Laxman Dewangan <ldewangan@nvidia.com> */ #ifndef __LINUX_REGULATOR_MAX8973_H #define __LINUX_REGULATOR_MAX8973_H /* * Control flags for configuration of the device. * Client need to pass this information with ORed */ #define MAX8973_CONTROL_REMOTE_SENSE_ENABLE 0x00000001 #define MAX8973_CONTROL_FALLING_SLEW_RATE_ENABLE 0x00000002 #define MAX8973_CONTROL_OUTPUT_ACTIVE_DISCH_ENABLE 0x00000004 #define MAX8973_CONTROL_BIAS_ENABLE 0x00000008 #define MAX8973_CONTROL_PULL_DOWN_ENABLE 0x00000010 #define MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE 0x00000020 #define MAX8973_CONTROL_CLKADV_TRIP_DISABLED 0x00000000 #define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US 0x00010000 #define MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US 0x00020000 #define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US_HIST_DIS 0x00030000 #define MAX8973_CONTROL_INDUCTOR_VALUE_NOMINAL 0x00000000 #define MAX8973_CONTROL_INDUCTOR_VALUE_MINUS_30_PER 0x00100000 #define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_30_PER 0x00200000 #define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_60_PER 0x00300000 /* * struct max8973_regulator_platform_data - max8973 regulator platform data. * * @reg_init_data: The regulator init data. * @control_flags: Control flags which are ORed value of above flags to * configure device. * @junction_temp_warning: Junction temp in millicelcius on which warning need * to be set. Thermal functionality is only supported on * MAX77621. The threshold warning supported by MAX77621 * are 120C and 140C. * @enable_ext_control: Enable the voltage enable/disable through external * control signal from EN input pin. If it is false then * voltage output will be enabled/disabled through EN bit of * device register. * @enable_gpio: Enable GPIO. If EN pin is controlled through GPIO from host * then GPIO number can be provided. If no GPIO controlled then * it should be -1. * @dvs_gpio: GPIO for dvs. It should be -1 if this is tied with fixed logic. * @dvs_def_state: Default state of dvs. 1 if it is high else 0. */ struct max8973_regulator_platform_data { struct regulator_init_data *reg_init_data; unsigned long control_flags; unsigned long junction_temp_warning; bool enable_ext_control; int enable_gpio; int dvs_gpio; unsigned dvs_def_state:1; }; #endif /* __LINUX_REGULATOR_MAX8973_H */