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/*
* arch/arm/include/asm/hardware/iop3xx-gpio.h
*
* IOP3xx GPIO wrappers
*
* Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org>
* Based on IXP4XX gpio.h file
*
* 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_ARM_HARDWARE_IOP3XX_GPIO_H
#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
#include <asm/arch/hardware.h>
#include <asm-generic/gpio.h>
#define IOP3XX_N_GPIOS 8
static inline int gpio_get_value(unsigned gpio)
{
if (gpio > IOP3XX_N_GPIOS)
return __gpio_get_value(gpio);
return gpio_line_get(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
if (gpio > IOP3XX_N_GPIOS) {
__gpio_set_value(gpio, value);
return;
}
gpio_line_set(gpio, value);
}
static inline int gpio_cansleep(unsigned gpio)
{
if (gpio < IOP3XX_N_GPIOS)
return 0;
else
return __gpio_cansleep(gpio);
}
/*
* The GPIOs are not generating any interrupt
* Note : manuals are not clear about this
*/
static inline int gpio_to_irq(int gpio)
{
return -EINVAL;
}
static inline int irq_to_gpio(int gpio)
{
return -EINVAL;
}
#endif
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