linux/arch/arm/mach-s3c2410/include/mach/gpio-track.h
Ben Dooks 1635ca4aaf ARM: S3C24XX: Remove macros mapping GPIO number to base
As part of the cleanup, remove the old macros mapping GPIO numbers
to the base of the register now we have gpiolib to manage the GPIO
mappings for us.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-05-18 19:06:34 +09:00

34 lines
860 B
C

/* 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 */