diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410/gpio.h')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/gpio.h | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/include/asm-arm/arch-s3c2410/gpio.h b/include/asm-arm/arch-s3c2410/gpio.h index 67b8b9ab22e..7583895fd33 100644 --- a/include/asm-arm/arch-s3c2410/gpio.h +++ b/include/asm-arm/arch-s3c2410/gpio.h @@ -1,7 +1,7 @@ /* - * linux/include/asm-arm/arch-pxa/gpio.h + * linux/include/asm-arm/arch-s3c2410/gpio.h * - * S3C2400 GPIO wrappers for arch-neutral GPIO calls + * S3C2410 GPIO wrappers for arch-neutral GPIO calls * * Written by Philipp Zabel <philipp.zabel@gmail.com> * @@ -21,14 +21,12 @@ * */ -#ifndef __ASM_ARCH_PXA_GPIO_H -#define __ASM_ARCH_PXA_GPIO_H +#ifndef __ASM_ARCH_S3C2410_GPIO_H +#define __ASM_ARCH_S3C2410_GPIO_H -#include <asm/arch/pxa-regs.h> -#include <asm/arch/irqs.h> -#include <asm/arch/hardware.h> - -#include <asm/errno.h> +#include <asm/irq.h> +#include <asm/hardware.h> +#include <asm/arch/regs-gpio.h> static inline int gpio_request(unsigned gpio, const char *label) { @@ -46,9 +44,11 @@ static inline int gpio_direction_input(unsigned gpio) return 0; } -static inline int gpio_direction_output(unsigned gpio) +static inline int gpio_direction_output(unsigned gpio, int value) { s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT); + /* REVISIT can we write the value first, to avoid glitching? */ + s3c2410_gpio_setpin(gpio, value); return 0; } @@ -57,8 +57,11 @@ static inline int gpio_direction_output(unsigned gpio) #include <asm-generic/gpio.h> /* cansleep wrappers */ -/* FIXME or maybe s3c2400_gpio_getirq() ... */ +#ifdef CONFIG_CPU_S3C2400 +#define gpio_to_irq(gpio) s3c2400_gpio_getirq(gpio) +#else #define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio) +#endif /* FIXME implement irq_to_gpio() */ |