1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * OF helpers for the GPIO API
4 *
5 * Copyright (c) 2007-2008  MontaVista Software, Inc.
6 *
7 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
8 */
9
10#ifndef __LINUX_OF_GPIO_H
11#define __LINUX_OF_GPIO_H
12
13#include <linux/compiler.h>
14#include <linux/gpio/driver.h>
15#include <linux/gpio.h>		/* FIXME: Shouldn't be here */
16#include <linux/of.h>
17
18struct device_node;
19
20#ifdef CONFIG_OF_GPIO
21
22extern int of_get_named_gpio(const struct device_node *np,
23			     const char *list_name, int index);
24
25#else /* CONFIG_OF_GPIO */
26
27#include <linux/errno.h>
28
29/* Drivers may not strictly depend on the GPIO support, so let them link. */
30static inline int of_get_named_gpio(const struct device_node *np,
31                                   const char *propname, int index)
32{
33	return -ENOSYS;
34}
35
36#endif /* CONFIG_OF_GPIO */
37
38#endif /* __LINUX_OF_GPIO_H */
39