Hi,
On Thu, Feb 27, 2014 at 08:34:22PM +0100, Carlo Caione wrote:
> Added documentation for NMI irqchip.
>
> Signed-off-by: Carlo Caione <carlo@xxxxxxxxxx>
> ---
> .../allwinner,sun67i-sc-nmi.txt | 27 ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt
> new file mode 100644
> index 0000000..ac31487
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun67i-sc-nmi.txt
> @@ -0,0 +1,27 @@
> +Allwinner Sunxi NMI Controller
> +==============================
> +
> +Required properties:
> +
> +- compatible : should be "allwinner,sun7i-a20-sc-nmi" or
> + "allwinner,sun6i-a31-sc-nmi"
> +- reg : Specifies base physical address and size of the registers.
> +- interrupt-controller : Identifies the node as an interrupt controller
> +- #interrupt-cells : Specifies the number of cells needed to encode an
> + interrupt source. The value shall be 2. The first cell is the IRQ number, the
> + second cell the trigger type.
What values correspond to what trigger type? What are the accepted values?
> +- interrupt-parent: Specifies the parent interrupt controller.
> +- interrupts: Specifies the list of interrupt lines which are handled by
> + the interrupt controller in the parent controller's notation. This value
> + shall be the NMI.
Hmmm, there's only one interrupt, not a list of them.
> +
> +Example:
> +
> +sc-nmi-intc@01c00030 {
> + compatible = "allwinner,sun7i-a20-sc-nmi";
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + reg = <0x01c00030 0x0c>;
> + interrupt-parent = <&gic>;
> + interrupts = <0 0 4>;
> +};
> --
> 1.8.3.2
>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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