root/include/linux/gpio-pxa.h

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#ifndef __GPIO_PXA_H
#define __GPIO_PXA_H

#define GPIO_bit(x)     (1 << ((x) & 0x1f))

#define gpio_to_bank(gpio)      ((gpio) >> 5)

/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
 * Those cases currently cause holes in the GPIO number space, the
 * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
 */
extern int pxa_last_gpio;

extern int pxa_irq_to_gpio(int irq);

struct pxa_gpio_platform_data {
        int irq_base;
        int (*gpio_set_wake)(unsigned int gpio, unsigned int on);
};

#endif /* __GPIO_PXA_H */
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