[PATCH 03/14] arm: at91: at91sam9x5: fix gpio number per bank

Arnd Bergmann arnd at arndb.de
Sat Aug 18 17:18:45 EDT 2012


On Friday 10 August 2012, Jean-Christophe PLAGNIOL-VILLARD wrote:
> --- a/Documentation/devicetree/bindings/gpio/gpio_atmel.txt
> +++ b/Documentation/devicetree/bindings/gpio/gpio_atmel.txt
> @@ -9,6 +9,10 @@ Required properties:
>    unused).
>  - gpio-controller: Marks the device node as a GPIO controller.
>  
> +optional properties:
> +- gpio-nb: Number of gpio if absent 32.
> +
> +
>  Example:
>         pioA: gpio at fffff200 {
>                 compatible = "atmel,at91rm9200-gpio";
> @@ -16,5 +20,6 @@ Example:
>                 interrupts = <2 4>;
>                 #gpio-cells = <2>;
>                 gpio-controller;
> +               gpio-nb = <19>;

What does "nb" stand for?

The marvell-gpio binding uses "ngpio" for the number, so that would
already be established. Otherwise, I think "#gpio-lines" would be
more in line with other things we count in the bindings.

	Arnd



More information about the linux-arm-kernel mailing list