linux-kernel - Re: [PATCH v2 2/6] dt-bindings: arm-smmu: Document SM8650 GPU SMMU

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Date: Thu, 15 Feb 2024 11:25:33 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>
Cc: Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>, 
	Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	iommu@...ts.linux.dev
Subject: Re: [PATCH v2 2/6] dt-bindings: arm-smmu: Document SM8650 GPU SMMU

On Thu, 15 Feb 2024 at 11:20, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>
> Document the GPU SMMU found on the SM8650 platform.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> index a4042ae24770..3ad5c850f3bf 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -93,6 +93,7 @@ properties:
>                - qcom,sm8350-smmu-500
>                - qcom,sm8450-smmu-500
>                - qcom,sm8550-smmu-500
> +              - qcom,sm8650-smmu-500
>            - const: qcom,adreno-smmu
>            - const: qcom,smmu-500
>            - const: arm,mmu-500
> @@ -508,7 +509,10 @@ allOf:
>    - if:
>        properties:
>          compatible:
> -          const: qcom,sm8550-smmu-500
> +          contains:
> +            enum:
> +              - qcom,sm8550-smmu-500
> +              - qcom,sm8650-smmu-500

Doesn't this cause warnings for non-GPU SMMU on this platform?

>      then:
>        properties:
>          clock-names:
> @@ -544,7 +548,6 @@ allOf:
>                - qcom,sdx65-smmu-500
>                - qcom,sm6350-smmu-500
>                - qcom,sm6375-smmu-500
> -              - qcom,sm8650-smmu-500
>                - qcom,x1e80100-smmu-500
>      then:
>        properties:
>
> --
> 2.34.1
>


-- 
With best wishes
Dmitry