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편집 파일: of_gpio.h

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