On Mon, Nov 23, 2015 at 11:16:55AM +0100, Carlo Caione wrote:
> From: Carlo Caione <carlo@xxxxxxxxxxxx>
>
> Extend the pinctrl binding documentation with the support for external
> GPIO interrupts.
>
> Signed-off-by: Carlo Caione <carlo@xxxxxxxxxxxx>
> Signed-off-by: Beniamino Galvani <b.galvani@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
> index 3f6a524..56743eb 100644
> --- a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
> @@ -3,6 +3,12 @@
> Required properties for the root node:
> - compatible: "amlogic,meson8-pinctrl" or "amlogic,meson8b-pinctrl"
> - reg: address and size of registers controlling irq functionality
> + - reg-names: should be "irq"
You don't really need names when there is only one. Otherwise:
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> + - interrupt-controller: marks the device node as an interrupt controller
> + - #interrupt-cells: should be 2. The first cell is the GPIO number. The
> + second cell is used to specify trigger type.
> + - interrupts: specifies the GPIO IRQ numbers on the GIC (GPIO_IRQ#)
> + - interrupt-parent: specifies the parent interrupt controller.
>
> === GPIO sub-nodes ===
>
> @@ -46,7 +52,13 @@ pinctrl-bindings.txt
>
> pinctrl: pinctrl@c1109880 {
> compatible = "amlogic,meson8-pinctrl";
> + reg-names = "irq";
> reg = <0xc1109880 0x10>;
> + interrupt-parent = <&gic>;
> + interrupts = <0 64 1>, <0 65 1>, <0 66 1>, <0 67 1>,
> + <0 68 1>, <0 69 1>, <0 70 1>, <0 71 1>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> #address-cells = <1>;
> #size-cells = <1>;
> ranges;
> --
> 2.5.0
>
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