Re: [PATCH v2 4/4] dt-bindings/irqchip/mbigen: add example of MBIGEN generate SPIs

From: Marc Zyngier
Date: Wed Jan 09 2019 - 05:48:33 EST


On 26/10/2018 08:51, Yang Yingliang wrote:
> Now MBIGEN can support to generate SPIs by writing
> GICD_SETSPIR. Add dt example to help document.
>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> ---
> .../interrupt-controller/hisilicon,mbigen-v2.txt | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt b/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
> index a6813a0..298c033 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
> +++ b/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
> @@ -10,7 +10,7 @@ Hisilicon designed mbigen to collect and generate interrupt.
>
>
> Non-pci devices can connect to mbigen and generate the
> -interrupt by writing ITS register.
> +interrupt by writing GICD or ITS register.
>
> The mbigen chip and devices connect to mbigen have the following properties:
>
> @@ -64,6 +64,13 @@ Examples:
> num-pins = <2>;
> #interrupt-cells = <2>;
> };
> +
> + mbigen_spi_example:spi_example {
> + interrupt-controller;
> + msi-parent = <&gic>;
> + num-pins = <2>;
> + #interrupt-cells = <2>;
> + };
> };
>
> Devices connect to mbigen required properties:
> @@ -82,3 +89,11 @@ Examples:
> interrupts = <656 1>,
> <657 1>;
> };
> +
> + spi_example: spi0@0 {
> + compatible = "spi,example";
> + reg = <0 0 0 0>;
> + interrupt-parent = <&mbigen_spi_example>;
> + interrupts = <13 4>,
> + <14 4>;
> + };
>

I'd like an Ack of some sort from one of the DT maintainer. Rob?

Thanks,

M.
--
Jazz is not dead. It just smells funny...