cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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gpio-regulator.h (2096B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * gpio-regulator.h
      4 *
      5 * Copyright 2011 Heiko Stuebner <heiko@sntech.de>
      6 *
      7 * based on fixed.h
      8 *
      9 * Copyright 2008 Wolfson Microelectronics PLC.
     10 *
     11 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
     12 *
     13 * Copyright (c) 2009 Nokia Corporation
     14 * Roger Quadros <ext-roger.quadros@nokia.com>
     15 */
     16
     17#ifndef __REGULATOR_GPIO_H
     18#define __REGULATOR_GPIO_H
     19
     20#include <linux/gpio/consumer.h>
     21
     22struct regulator_init_data;
     23
     24enum regulator_type;
     25
     26/**
     27 * struct gpio_regulator_state - state description
     28 * @value:		microvolts or microamps
     29 * @gpios:		bitfield of gpio target-states for the value
     30 *
     31 * This structure describes a supported setting of the regulator
     32 * and the necessary gpio-state to achieve it.
     33 *
     34 * The n-th bit in the bitfield describes the state of the n-th GPIO
     35 * from the gpios-array defined in gpio_regulator_config below.
     36 */
     37struct gpio_regulator_state {
     38	int value;
     39	int gpios;
     40};
     41
     42/**
     43 * struct gpio_regulator_config - config structure
     44 * @supply_name:	Name of the regulator supply
     45 * @enabled_at_boot:	Whether regulator has been enabled at
     46 *			boot or not. 1 = Yes, 0 = No
     47 *			This is used to keep the regulator at
     48 *			the default state
     49 * @startup_delay:	Start-up time in microseconds
     50 * @gflags:		Array of GPIO configuration flags for initial
     51 *			states
     52 * @ngpios:		Number of GPIOs and configurations available
     53 * @states:		Array of gpio_regulator_state entries describing
     54 *			the gpio state for specific voltages
     55 * @nr_states:		Number of states available
     56 * @regulator_type:	either REGULATOR_CURRENT or REGULATOR_VOLTAGE
     57 * @init_data:		regulator_init_data
     58 *
     59 * This structure contains gpio-voltage regulator configuration
     60 * information that must be passed by platform code to the
     61 * gpio-voltage regulator driver.
     62 */
     63struct gpio_regulator_config {
     64	const char *supply_name;
     65
     66	unsigned enabled_at_boot:1;
     67	unsigned startup_delay;
     68
     69	enum gpiod_flags *gflags;
     70	int ngpios;
     71
     72	struct gpio_regulator_state *states;
     73	int nr_states;
     74
     75	enum regulator_type type;
     76	struct regulator_init_data *init_data;
     77};
     78
     79#endif