Messages in this thread | | | Subject | Re: [PATCH v3 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 | From | Robin Murphy <> | Date | Fri, 3 Jul 2020 10:05:38 +0100 |
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On 2020-07-02 21:16, 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. > > Signed-off-by: Hanna Hawa <hannah@marvell.com> > Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> > Signed-off-by: Tomasz Nowicki <tn@semihalf.com> > --- > Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > index d7ceb4c34423..7beca9c00b12 100644 > --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > @@ -38,6 +38,11 @@ properties: > - qcom,sc7180-smmu-500 > - qcom,sdm845-smmu-500 > - const: arm,mmu-500 > + - description: Marvell SoCs implementing "arm,mmu-500" > + items: > + - enum: > + - marvell,ap806-smmu-500
Isn't a single-valued enum just a constant? :P
Robin.
> + - const: arm,mmu-500 > - items: > - const: arm,mmu-500 > - const: arm,smmu-v2 >
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