[PATCH v4 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500

[Robin Murphy]

On 2020-07-15 08:06, Tomasz Nowicki wrote:
> Add specific compatible string for Marvell usage due to errata of
> accessing 64bits registers of ARM SMMU, in AP806.
> 
> AP806 SoC uses the generic ARM-MMU500, and there's no specific
> implementation of Marvell, this compatible is used for errata only.

Reviewed-by: Robin Murphy <robin.murphy at arm.com>

Presumably Will can pick up these first 3 patches for 5.9 and #4 can go 
via arm-soc.

Robin.

> Reviewed-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Hanna Hawa <hannah at marvell.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement at bootlin.com>
> Signed-off-by: Tomasz Nowicki <tn at semihalf.com>
> ---
>   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 d7ceb4c34423..156b38924a00 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -38,6 +38,10 @@ properties:
>                 - qcom,sc7180-smmu-500
>                 - qcom,sdm845-smmu-500
>             - const: arm,mmu-500
> +      - description: Marvell SoCs implementing "arm,mmu-500"
> +        items:
> +          - const: marvell,ap806-smmu-500
> +          - const: arm,mmu-500
>         - items:
>             - const: arm,mmu-500
>             - const: arm,smmu-v2
>