Re: [PATCH 1/4] dt-bindings: media: qcom,sm8550-iris: document SM8650 IRIS accelerator

From: Dikshita Agarwal
Date: Fri Feb 28 2025 - 07:21:48 EST




On 2/25/2025 2:35 PM, Neil Armstrong wrote:
> Document the IRIS video decoder and encoder accelerator found in the
> SM8650 platform, it requires 2 more reset lines in addition to the
> properties required for the SM8550 platform.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
> .../bindings/media/qcom,sm8550-iris.yaml | 33 ++++++++++++++++++----
> 1 file changed, 28 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml
> index e424ea84c211f473a799481fd5463a16580187ed..536cf458dcb08141e5a1ec8c3df964196e599a57 100644
> --- a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml
> +++ b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml
> @@ -14,12 +14,11 @@ description:
> The iris video processing unit is a video encode and decode accelerator
> present on Qualcomm platforms.
>
> -allOf:
> - - $ref: qcom,venus-common.yaml#
> -
> properties:
> compatible:
> - const: qcom,sm8550-iris
> + enum:
> + - qcom,sm8550-iris
> + - qcom,sm8650-iris
>
> power-domains:
> maxItems: 4
> @@ -49,11 +48,15 @@ properties:
> - const: video-mem
>
> resets:
> - maxItems: 1
> + minItems: 1
> + maxItems: 3
>
> reset-names:
> + minItems: 1
> items:
> - const: bus
> + - const: xo
> + - const: core
>
> iommus:
> maxItems: 2
> @@ -75,6 +78,26 @@ required:
> - iommus
> - dma-coherent
>
> +allOf:
> + - $ref: qcom,venus-common.yaml#
> + - if:
> + properties:
> + compatible:
> + enum:
> + - qcom,sm8650-iris
> + then:
> + properties:
> + resets:
> + minItems: 3
> + reset-names:
> + minItems: 3
> + else:
> + properties:
> + resets:
> + maxItems: 1
> + reset-names:
> + maxItems: 1
> +
> unevaluatedProperties: false
>
> examples:
>
Since we are using same binding for SM8550 and SM8650, I think, it would be
good to rename this file to qcom,iris-commom.yaml

Thanks,
Dikshita