Subject: [PATCH v3 3/7] dt-bindings: arm-smmu: Add binding for Tegra194 SMMU

From: Krishna Reddy <[email-masked]>
Date: Fri, 18 Oct 2019 16:31:28 -0700

Add binding for NVIDIA's Tegra194 Soc SMMU that is based
on ARM MMU-500.

Signed-off-by: Krishna Reddy <[email-masked]>
---
 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 3133f3b..1d72fac 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -31,6 +31,10 @@ conditions.
                   as below, SoC-specific compatibles:
                   "qcom,sdm845-smmu-500", "arm,mmu-500"
 
+                  NVIDIA SoCs that use more than one ARM MMU-500 together
+                  needs following SoC-specific compatibles along with "arm,mmu-500":
+                  "nvidia,tegra194-smmu"
+
 - reg           : Base address and size of the SMMU.
 
 - #global-interrupts : The number of global interrupts exposed by the
-- 
2.7.4

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