diff options
Diffstat (limited to 'include/linux/gpio-pxa.h')
| -rw-r--r-- | include/linux/gpio-pxa.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/gpio-pxa.h b/include/linux/gpio-pxa.h new file mode 100644 index 000000000000..05071ee34c3f --- /dev/null +++ b/include/linux/gpio-pxa.h @@ -0,0 +1,16 @@ +#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); + +#endif /* __GPIO_PXA_H */ |