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Wed, 15 Jul 2020 00:07:03 -0700 (PDT) From: Tomasz Nowicki To: will@kernel.org, robin.murphy@arm.com, joro@8bytes.org, gregory.clement@bootlin.com, robh+dt@kernel.org, hannah@marvell.com Subject: [PATCH v4 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 Date: Wed, 15 Jul 2020 09:06:48 +0200 Message-Id: <20200715070649.18733-4-tn@semihalf.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200715070649.18733-1-tn@semihalf.com> References: <20200715070649.18733-1-tn@semihalf.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 X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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: Rob Herring Signed-off-by: Hanna Hawa Signed-off-by: Gregory CLEMENT Signed-off-by: Tomasz Nowicki --- 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 -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu