arch/arm/include/asm/gpio.h

   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 */