From 21b23664b9354c5449841e401efb9ad523fb898b Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:34 +0000 Subject: [ARM] S3C: Add new GPIO configuration calls Add new GPIO configuration calls that mesh with the new gpiolib support. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/gpio-core.h | 34 ++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 arch/arm/mach-s3c2410/include/mach/gpio-core.h (limited to 'arch/arm/mach-s3c2410') diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-core.h b/arch/arm/mach-s3c2410/include/mach/gpio-core.h new file mode 100644 index 00000000000..6c9fbb99ef1 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/gpio-core.h @@ -0,0 +1,34 @@ +/* arch/arm/mach-s3c24100/include/mach/gpio-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * 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 +#include + +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 > S3C2410_GPG10) + return NULL; + + chip = &s3c24xx_gpios[pin/32]; + return (S3C2410_GPIO_OFFSET(pin) > chip->chip.ngpio) ? chip : NULL; +} + +#endif /* __ASM_ARCH_GPIO_CORE_H */ -- cgit v1.2.3