From: Robin Murphy <robin.murphy@arm.com> To: Tomasz Nowicki <tn@semihalf.com>, will@kernel.org, joro@8bytes.org, gregory.clement@bootlin.com, robh+dt@kernel.org, hannah@marvell.com Cc: devicetree@vger.kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, nadavh@marvell.com, iommu@lists.linux-foundation.org, mw@semihalf.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 Date: Fri, 3 Jul 2020 10:05:38 +0100 [thread overview] Message-ID: <3172ec21-d773-7fcb-f1ee-f557f72f20c5@arm.com> (raw) In-Reply-To: <20200702201633.22693-4-tn@semihalf.com> 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 > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-07-03 9:05 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-02 20:16 [PATCH v3 0/4] Add system mmu support for Armada-806 Tomasz Nowicki 2020-07-02 20:16 ` [PATCH v3 1/4] iommu/arm-smmu: Add SMMU ID2 register fixup hook Tomasz Nowicki 2020-07-03 8:24 ` Robin Murphy 2020-07-03 9:19 ` Tomasz Nowicki 2020-07-02 20:16 ` [PATCH v3 2/4] iommu/arm-smmu: Workaround for Marvell Armada-AP806 SoC erratum #582743 Tomasz Nowicki 2020-07-03 9:03 ` Robin Murphy 2020-07-03 11:24 ` Tomasz Nowicki 2020-07-02 20:16 ` [PATCH v3 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 Tomasz Nowicki 2020-07-03 9:05 ` Robin Murphy [this message] 2020-07-03 9:26 ` Tomasz Nowicki 2020-07-13 21:36 ` Rob Herring 2020-07-02 20:16 ` [PATCH v3 4/4] arm64: dts: marvell: add SMMU support Tomasz Nowicki 2020-07-03 9:16 ` Robin Murphy 2020-07-03 9:33 ` Tomasz Nowicki 2020-07-03 10:38 ` Marcin Wojtas 2020-07-14 8:19 ` [PATCH v3 0/4] Add system mmu support for Armada-806 Will Deacon 2020-07-14 10:26 ` Tomasz Nowicki
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