include/linux/gpio-pxa.h

   1 #ifndef __GPIO_PXA_H
   2 #define __GPIO_PXA_H
   3
   4 #define GPIO_bit(x)     (1 << ((x) & 0x1f))
   5
   6 #define gpio_to_bank(gpio)      ((gpio) >> 5)
   7
   8 /* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
   9  * Those cases currently cause holes in the GPIO number space, the
  10  * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
  11  */
  12 extern int pxa_last_gpio;
  13
  14 extern int pxa_irq_to_gpio(int irq);
  15
  16 #endif /* __GPIO_PXA_H */