2019-05-19 20:51:31 +07:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
2012-11-19 08:28:29 +07:00
|
|
|
/*
|
|
|
|
* 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.
|
2016-04-13 16:59:45 +07:00
|
|
|
* @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.
|
2012-11-19 08:28:29 +07:00
|
|
|
* @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.
|
2015-04-23 17:40:24 +07:00
|
|
|
* @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.
|
2012-11-19 08:28:29 +07:00
|
|
|
* @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;
|
2016-04-13 16:59:45 +07:00
|
|
|
unsigned long junction_temp_warning;
|
2012-11-19 08:28:29 +07:00
|
|
|
bool enable_ext_control;
|
2015-04-23 17:40:24 +07:00
|
|
|
int enable_gpio;
|
2012-11-19 08:28:29 +07:00
|
|
|
int dvs_gpio;
|
|
|
|
unsigned dvs_def_state:1;
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* __LINUX_REGULATOR_MAX8973_H */
|