[PATCH 2/2] Documentation: gpio: Update description for X-Gene standby GPIO controller DTS binding

Arnd Bergmann arnd at arndb.de
Fri Sep 11 02:35:29 PDT 2015


On Friday 11 September 2015 16:22:12 Y Vo wrote:
>  There are 20 GPIO pins from 0..21. There is no GPIO_DS14 or GPIO_DS15,
> -only GPIO_DS8..GPIO_DS13 support interrupts. The IRQ mapping
> +only GPIO_DS8..GPIO_DS13 support external interrupts. The IRQ mapping
>  is currently 1-to-1 on interrupts 0x28 thru 0x2d.
> +GPIO pins from GPIO_DS8 to GPIO_DS13 are configured as external interrupt
> +by default. If one wish not to use any of these pins as external interrupts,
> +the corresponding interrupt resource for those pins should be removed.

According to this description, I fail to see how one would specify
a missing interrupt for one of the pins that is not the last one in
the list.

	Arnd



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