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/*
* arch/arm/mach-pxa/include/mach/gpio.h
*
* PXA GPIO wrappers for arch-neutral GPIO calls
*
* Written by Philipp Zabel <philipp.zabel@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ASM_ARCH_PXA_GPIO_H
#define __ASM_ARCH_PXA_GPIO_H
#include <asm-generic/gpio.h>
/* The defines for the driver are needed for the accelerated accessors */
#include "gpio-pxa.h"
#define gpio_to_irq(gpio) IRQ_GPIO(gpio)
static inline int irq_to_gpio(unsigned int irq)
{
int gpio;
if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1)
return irq - IRQ_GPIO0;
gpio = irq - PXA_GPIO_IRQ_BASE;
if (gpio >= 2 && gpio < NR_BUILTIN_GPIO)
return gpio;
return -1;
}
#include <plat/gpio.h>
#endif
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