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/*
* Copyright 2020 Google LLC.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef DT_BINDINGS_GPIO_DEFINES_H_
#define DT_BINDINGS_GPIO_DEFINES_H_
#include <dt-bindings/gpio/gpio.h>
/*
* The GPIO_INPUT and GPIO_OUTPUT defines are normally not available to
* the device tree. For GPIOs that are controlled by the platform/ec module, we
* allow device tree to set the initial state.
*
* Note the raw defines (e.g. GPIO_OUTPUT) in this file are copies from
* <drivers/gpio.h>
*
* The combined defined (e.g. GPIO_OUT_LOW) have been renamed to fit with
* gpio defined in platform/ec codebase.
*/
/** Enables pin as input. */
#define GPIO_INPUT (1U << 8)
/** Enables pin as output, no change to the output state. */
#define GPIO_OUTPUT (1U << 9)
/* Initializes output to a low state. */
#define GPIO_OUTPUT_INIT_LOW (1U << 10)
/* Initializes output to a high state. */
#define GPIO_OUTPUT_INIT_HIGH (1U << 11)
/* Configures GPIO pin as output and initializes it to a low state. */
#define GPIO_OUTPUT_LOW (GPIO_OUTPUT | GPIO_OUTPUT_INIT_LOW)
/* Configures GPIO pin as output and initializes it to a high state. */
#define GPIO_OUTPUT_HIGH (GPIO_OUTPUT | GPIO_OUTPUT_INIT_HIGH)
/* Configures GPIO pin as input with pull-up. */
#define GPIO_INPUT_PULL_UP (GPIO_INPUT | GPIO_PULL_UP)
/* Configures GPIO pin as input with pull-down. */
#define GPIO_INPUT_PULL_DOWN (GPIO_INPUT | GPIO_PULL_DOWN)
/** Configures GPIO pin as output and initializes it to a low state. */
#define GPIO_OUT_LOW (GPIO_OUTPUT | GPIO_OUTPUT_INIT_LOW)
/** Configures GPIO pin as output and initializes it to a high state. */
#define GPIO_OUT_HIGH (GPIO_OUTPUT | GPIO_OUTPUT_INIT_HIGH)
/** Configures GPIO pin as ODR output and initializes it to a low state. */
#define GPIO_ODR_LOW (GPIO_OUT_LOW | GPIO_OPEN_DRAIN)
/** Configures GPIO pin as ODR output and initializes it to a high state. */
#define GPIO_ODR_HIGH (GPIO_OUT_HIGH | GPIO_OPEN_DRAIN)
#endif /* DT_BINDINGS_GPIO_DEFINES_H_ */
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