[PATCH v4 1/2] dt-bindings: arm-smmu: Add binding doc for Qcom smmu-500
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STALE2839d
From: Vivek Gautam <hidden>
Date: 2018-10-11 09:49:50
Also in:
linux-arm-msm, linux-iommu, lkml
Subsystem:
arm smmu drivers, iommu subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Will Deacon, Joerg Roedel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Revision v4 of 3 in this series.
Revisions (3)
- v1 [diff vs current]
- v2 [diff vs current]
- v4 current
Qcom's implementation of arm,mmu-500 works well with current arm-smmu driver implementation. Adding a soc specific compatible along with arm,mmu-500 makes the bindings future safe. Signed-off-by: Vivek Gautam <redacted> --- Changes since v3: - Refined language more to state things directly for the bindings description. Documentation/devicetree/bindings/iommu/arm,smmu.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index a6504b37cc21..3133f3ba7567 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt@@ -27,6 +27,10 @@ conditions. "qcom,msm8996-smmu-v2", "qcom,smmu-v2", "qcom,sdm845-smmu-v2", "qcom,smmu-v2". + Qcom SoCs implementing "arm,mmu-500" must also include, + as below, SoC-specific compatibles: + "qcom,sdm845-smmu-500", "arm,mmu-500" + - reg : Base address and size of the SMMU. - #global-interrupts : The number of global interrupts exposed by the
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