[PATCH v8 1/9] dt-bindings: media: sun6i-a31-csi: Add optional interconnect properties

Maxime Ripard mripard at kernel.org
Wed Jul 9 00:26:23 PDT 2025


Hi,

On Fri, Jul 04, 2025 at 05:46:18PM +0200, Paul Kocialkowski wrote:
> An interconnect can be attached to the sun6i-a31-csi device, which is
> useful to attach the dma memory offset. Add related properties.
> 
> Signed-off-by: Paul Kocialkowski <paulk at sys-base.io>
> ---
>  .../devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml  | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> index 1aa5775ba2bc..978ef2dc0ae7 100644
> --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> @@ -40,6 +40,12 @@ properties:
>    resets:
>      maxItems: 1
>  
> +  interconnects:
> +    maxItems: 1
> +
> +  interconnect-names:
> +    const: dma-mem
> +

Is it really optional? My experience (despite being a bit outdated by
now) was that it was required for some SoCs, and missing for others.

Maxime
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