1. 根目录:
2. arch
3. arm
4. mach-ux500
5. include
6. mach
7. gpio.h

#ifndef __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H

/*
 * 288 (#267 is the highest one actually hooked up) onchip GPIOs, plus enough
 * room for a couple of GPIO expanders.
 */
#define ARCH_NR_GPIOS	350

#include <plat/gpio.h>

#endif /* __ASM_ARCH_GPIO_H */