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-rw-r--r--Documentation/devicetree/bindings/iommu/arm,smmu.yaml23
1 files changed, 22 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index b28c5c2b0ff2..895ec8418465 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -201,7 +201,8 @@ properties:
maxItems: 7
power-domains:
- maxItems: 1
+ minItems: 1
+ maxItems: 3
nvidia,memory-controller:
description: |
@@ -366,6 +367,26 @@ allOf:
- description: interface clock required to access smmu's registers
through the TCU's programming interface.
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,sm6375-smmu-500
+ then:
+ properties:
+ power-domains:
+ items:
+ - description: SNoC MMU TBU RT GDSC
+ - description: SNoC MMU TBU NRT GDSC
+ - description: SNoC TURING MMU TBU0 GDSC
+
+ required:
+ - power-domains
+ else:
+ properties:
+ power-domains:
+ maxItems: 1
+
examples:
- |+
/* SMMU with stream matching or stream indexing */