diff options
Diffstat (limited to 'arch/arm/include/asm/gpio.h')
| -rw-r--r-- | arch/arm/include/asm/gpio.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index 166a7a3e284..477e0206e01 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -1,7 +1,32 @@ #ifndef _ARCH_ARM_GPIO_H #define _ARCH_ARM_GPIO_H +#if CONFIG_ARCH_NR_GPIO > 0 +#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO +#endif + /* not all ARM platforms necessarily support this API ... */ +#ifdef CONFIG_NEED_MACH_GPIO_H #include <mach/gpio.h> +#endif + +#ifndef __ARM_GPIOLIB_COMPLEX +/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */ +#include <asm-generic/gpio.h> + +/* The trivial gpiolib dispatchers */ +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep +#endif + +/* + * Provide a default gpio_to_irq() which should satisfy every case. + * However, some platforms want to do this differently, so allow them + * to override it. + */ +#ifndef gpio_to_irq +#define gpio_to_irq __gpio_to_irq +#endif #endif /* _ARCH_ARM_GPIO_H */ |