1 #ifndef _ARCH_ARM_GPIO_H 2 #define _ARCH_ARM_GPIO_H 3 4 #if CONFIG_ARCH_NR_GPIO > 0 5 #define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO 6 #endif 7 8 /* not all ARM platforms necessarily support this API ... */ 9 #include <mach/gpio.h> 10 11 #ifndef __ARM_GPIOLIB_COMPLEX 12 /* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */ 13 #include <asm-generic/gpio.h> 14 15 /* The trivial gpiolib dispatchers */ 16 #define gpio_get_value __gpio_get_value 17 #define gpio_set_value __gpio_set_value 18 #define gpio_cansleep __gpio_cansleep 19 #endif 20 21 /* 22 * Provide a default gpio_to_irq() which should satisfy every case. 23 * However, some platforms want to do this differently, so allow them 24 * to override it. 25 */ 26 #ifndef gpio_to_irq 27 #define gpio_to_irq __gpio_to_irq 28 #endif 29 30 #endif /* _ARCH_ARM_GPIO_H */ 31