[PATCH v1 2/4] dt-bindings: PCI: dwc: rockchip: Add missing legacy-interrupt-controller

[Rob Herring]

On Fri, Jun 16, 2023 at 07:00:20PM +0200, Sebastian Reichel wrote:
> Rockchip RK356x and RK3588 handle legacy interrupts via a ganged
> interrupts. The RK356x DT implements this via a sub-node named
> "legacy-interrupt-controller", just like a couple of other PCIe
> implementations. This adds proper documentation for this and updates
> the example to avoid regressions.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
> ---
>  .../bindings/pci/rockchip-dw-pcie.yaml        | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> index 98e45d2d8dfe..bf81d306cc80 100644
> --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> @@ -67,6 +67,22 @@ properties:
>        - const: legacy
>        - const: err
>  
> +  legacy-interrupt-controller:
> +    description: Interrupt controller node for handling legacy PCI interrupts.
> +    type: object

       additionalProperties: false

With that, 

Reviewed-by: Rob Herring <robh at kernel.org>