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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __FDT_GPIO_H__
#define __FDT_GPIO_H__
#include <sbi_utils/gpio/gpio.h>
/** FDT based GPIO driver */
struct fdt_gpio {
const struct fdt_match *match_table;
int (*xlate)(struct gpio_chip *chip,
const struct fdt_phandle_args *pargs,
struct gpio_pin *out_pin);
int (*init)(void *fdt, int nodeoff, u32 phandle,
const struct fdt_match *match);
};
/** Get a GPIO pin using "gpios" DT property of client DT node */
int fdt_gpio_pin_get(void *fdt, int nodeoff, int index,
struct gpio_pin *out_pin);
/** Simple xlate function to convert two GPIO FDT cells into GPIO pin */
int fdt_gpio_simple_xlate(struct gpio_chip *chip,
const struct fdt_phandle_args *pargs,
struct gpio_pin *out_pin);
#endif
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