/* 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.
 * @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;
        unsigned dvs_def_state:1;
};

#endif /* __LINUX_REGULATOR_MAX8973_H */