diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 17:14:34 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-16 00:34:15 +0100 |
| commit | 21b23664b9354c5449841e401efb9ad523fb898b (patch) | |
| tree | b26017929643be8be4e0a562943ef75fa96499d7 /arch/arm/mach-s3c2410 | |
| parent | [ARM] S3C64XX: GPIO library support (diff) | |
| download | linux-21b23664b9354c5449841e401efb9ad523fb898b.tar.xz linux-21b23664b9354c5449841e401efb9ad523fb898b.zip | |
[ARM] S3C: Add new GPIO configuration calls
Add new GPIO configuration calls that mesh with the
new gpiolib support.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2410')
| -rw-r--r-- | arch/arm/mach-s3c2410/include/mach/gpio-core.h | 34 |
1 files changed, 34 insertions, 0 deletions
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 000000000000..6c9fbb99ef14 --- /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 <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 <plat/gpio-core.h> +#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 > 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 */ |