android_kernel_samsung_hero.../arch/arm/mach-shmobile/sh-gpio.h
2016-08-17 16:41:52 +08:00

29 lines
695 B
C

/*
* Generic GPIO API and pinmux table support
*
* Copyright (c) 2008 Magnus Damm
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/io.h>
/*
* FIXME !!
*
* current gpio frame work doesn't have
* the method to control only pull up/down/free.
* this function should be replaced by correct gpio function
*/
static inline void __init gpio_direction_none(void __iomem * addr)
{
__raw_writeb(0x00, addr);
}
#endif /* __ASM_ARCH_GPIO_H */