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/* arch/arm/mach-s3c24100/include/mach/gpio-core.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C2410 - GPIO core support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_GPIO_CORE_H
#define __ASM_ARCH_GPIO_CORE_H __FILE__
#include <mach/regs-gpio.h>
extern struct s3c_gpio_chip s3c24xx_gpios[];
static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin)
{
struct s3c_gpio_chip *chip;
if (pin > S3C_GPIO_END)
return NULL;
chip = &s3c24xx_gpios[pin/32];
return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL;
}
#endif /* __ASM_ARCH_GPIO_CORE_H */
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