dt-bindings: arm-smmu: Add binding doc for Qcom smmu-500

[linux.git] / Documentation / devicetree / bindings / iommu / arm,smmu.txt

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index a6504b37cc2141faffcfdaa2118652549d1ebaee..3133f3ba756748da6514f7b666ac29d63baadaf4 100644 (file)
--- 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