[PATCH v2 6/6] DT: Add documentation for gpio-xilinx

[Linus Walleij]

On Mon, Jun 3, 2013 at 2:31 PM, Michal Simek <michal.simek at xilinx.com> wrote:

> Describe gpio-xilinx binding.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
> Changes in v2:
> - Extend description

Thanks, patch applied but look into this:

> +Optional properties:
> +- interrupts : Interrupt mapping for GPIO IRQ.
> +- interrupt-parent : Phandle for the interrupt controller that
> +  services interrupts for this device.
> +- xlnx,all-inputs : if n-th bit is setup, GPIO-n is input
> +- xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1
> +- xlnx,gpio-width : gpio width
> +- xlnx,tri-default : if n-th bit is 1, GPIO-n is in tristate mode
> +- xlnx,is-dual : if 1, controller also uses the second channel

If is present, xlnx,is-dual;

> +Example:
> +gpio: gpio at 40000000 {
> +       #gpio-cells = <2>;
> +       compatible = "xlnx,xps-gpio-1.00.a";
> +       gpio-controller ;
> +       interrupt-parent = <&microblaze_0_intc>;
> +       interrupts = < 6 2 >;
> +       reg = < 0x40000000 0x10000 >;
> +       xlnx,all-inputs = <0x0>;
> +       xlnx,all-inputs-2 = <0x0>;
> +       xlnx,dout-default = <0x0>;
> +       xlnx,dout-default-2 = <0x0>;
> +       xlnx,gpio-width = <0x2>;
> +       xlnx,gpio2-width = <0x2>;
> +       xlnx,interrupt-present = <0x1>;
> +       xlnx,is-dual = <0x1>;

xlnx,is-dual;

I'm not giving up on this suggestion.

Test it please...

Yours,
Linus Walleij