Re: [PATCH 10/19] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU

Bjorn Andersson
2020-09-01T05:00:52Z

On Thu 13 Aug 21:41 CDT 2020, Rob Clark wrote:

> From: Jordan Crouse <jcrouse@codeaurora.org>
>
> Every Qcom Adreno GPU has an embedded SMMU for its own use. These
> devices depend on unique features such as split pagetables,
> different stall/halt requirements and other settings. Identify them
> with a compatible string so that they can be identified in the
> arm-smmu implementation specific code.
>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Rob Clark <robdclark@chromium.org>
> ---
> Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> index 503160a7b9a0..5ec5d0d691f6 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -40,6 +40,10 @@ properties:
> - qcom,sm8150-smmu-500
> - qcom,sm8250-smmu-500
> - const: arm,mmu-500
> + - description: Qcom Adreno GPUs implementing "arm,smmu-v2"
> + items:
> + - const: qcom,adreno-smmu
> + - const: qcom,smmu-v2
> - description: Marvell SoCs implementing "arm,mmu-500"
> items:
> - const: marvell,ap806-smmu-500
> --
> 2.26.2
>