39 lines
878 B
C
39 lines
878 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* OF helpers for the GPIO API
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*
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* Copyright (c) 2007-2008 MontaVista Software, Inc.
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*
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* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
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*/
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#ifndef __LINUX_OF_GPIO_H
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#define __LINUX_OF_GPIO_H
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#include <linux/compiler.h>
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#include <linux/gpio/driver.h>
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#include <linux/gpio.h> /* FIXME: Shouldn't be here */
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#include <linux/of.h>
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struct device_node;
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#ifdef CONFIG_OF_GPIO
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extern int of_get_named_gpio(const struct device_node *np,
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const char *list_name, int index);
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#else /* CONFIG_OF_GPIO */
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#include <linux/errno.h>
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/* Drivers may not strictly depend on the GPIO support, so let them link. */
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static inline int of_get_named_gpio(const struct device_node *np,
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const char *propname, int index)
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{
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return -ENOSYS;
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}
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#endif /* CONFIG_OF_GPIO */
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#endif /* __LINUX_OF_GPIO_H */
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