| /* | |
| * 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> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, but WITHOUT | |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| * more details. | |
| * | |
| * You should have received a copy of the GNU General Public License along | |
| * with this program; if not, write to the Free Software Foundation, Inc., | |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| * | |
| */ | |
| #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. | |
| * @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_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; | |
| bool enable_ext_control; | |
| int dvs_gpio; | |
| unsigned dvs_def_state:1; | |
| }; | |
| #endif /* __LINUX_REGULATOR_MAX8973_H */ |