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[01/11] dt-bindings: iommu: qcom,iommu: Add optional TBU clock

Message ID 20250306-topic-dt_bindings_fixups-v1-1-0c84aceb0ef9@oss.qualcomm.com (mailing list archive)
State New
Headers show
Series Various dt-bindings fixes | expand

Commit Message

Konrad Dybcio March 6, 2025, 6:11 p.m. UTC 
From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Some MMU instances feature a Translation Buffer Unit (TBU), which comes
with its own clock. Allow describing it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
---
 Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
index 5ae9a628261fd251c1e991a70662c6d37ef2c4e3..09879bc8ad8d04b73dd22f7f64b2d1de60409941 100644
--- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
@@ -31,14 +31,18 @@  properties:
           - const: qcom,msm-iommu-v2
 
   clocks:
+    minItems: 2
     items:
       - description: Clock required for IOMMU register group access
       - description: Clock required for underlying bus access
+      - description: Clock required for the MMU Translation Buffer Unit
 
   clock-names:
+    minItems: 2
     items:
       - const: iface
       - const: bus
+      - const: tbu
 
   power-domains:
     maxItems: 1