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