forked from mirrors/linux
a99cc66807
This is a rarely used feature that has nothing to do with the client-side of_gpio.h. Split it out with a separate header file and Kconfig option so it can be removed on its own timeline aside from removing the of_gpio consumer interfaces. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
38 lines
878 B
C
38 lines
878 B
C
/* 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 */
|