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SubjectRe: [PATCH] Documentation: Add device tree binding file for MOXA ART SoCs interrupt controller
On Thu, Jul 18, 2013 at 09:50:26AM +0100, Jonas Jensen wrote:
> Add binding document for MOXA ART SoCs interrupt controller.
>
> Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
> ---
>
> Notes:
> The MOXA ART irqchip driver was added without accompanying devicetree document.
> ( in next-20130716 drivers/irqchip/irq-moxart.c )

Aaargh. That should not have happened >:(

>
> Applies to next-20130716
>
> .../interrupt-controller/moxa,moxart-ic.txt | 28 ++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/moxa,moxart-ic.txt
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/moxa,moxart-ic.txt b/Documentation/devicetree/bindings/interrupt-controller/moxa,moxart-ic.txt
> new file mode 100644
> index 0000000..58f1fe1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/moxa,moxart-ic.txt
> @@ -0,0 +1,28 @@
> +* MOXA ART Interrupt Controller
> +
> +MOXA ART Interrupt Controller (moxart-ic) is used on MOXA ART SoCs
> +and supports 32 non-configurable number of interrupts
> +
> +Main node required properties:
> +
> +- compatible : "moxa,moxart-ic"
> +- interrupt-controller : Identifies the node as an interrupt controller
> +- #interrupt-cells : Specifies the number of cells needed to encode an
> + interrupt source. The type shall be a <u32> and the value shall be 2.
> +
> + The first cell contains the interrupt number in the range [0-31].
> + The second cell contains the interrupt type
> +
> +- reg: physical base address and size of the intc registers map.
> +- interrupt-mask: Specifies if the interrupt is edge or level-triggered
> + each bit represent an interrupt 0-31 where 1 signify edge

For the GIC, this gets descrbied in the interrupt sepcifier rather than
on the interrupt controller's root node. Is there a reason to do this
differently here?

Thanks,
Mark.

> +
> +Example:
> +
> + intc: interrupt-controller@98800000 {
> + compatible = "moxa,moxart-ic";
> + reg = <0x98800000 0x38>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-mask = <0x00080000>;
> + };
> --
> 1.8.2.1
>
> _______________________________________________
> devicetree-discuss mailing list
> devicetree-discuss@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/devicetree-discuss
>


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