dt-bindings: dma: arm,pl330: Add missing 'iommus' property

The pl330 can be behind an IOMMU which is the case for Arm Juno board. Add the 'iommus' property allowing for 1 IOMMU entry per channel for writes and 1 IOMMU entry for reads.

Signed-off-by Rob Herring <[email protected]>

---
v2:
- Include IOMMU entry for read channel

---
 Documentation/devicetree/bindings/dma/arm,pl330.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

Documentation/devicetree/bindings/dma/arm,pl330.yaml +6 -0

index 2bec69b308f8..4a3dd6f5309b 100644
@@ -55,6 +55,12 @@ properties:
 
   dma-coherent: true
 
+  iommus:
+    minItems: 1
+    maxItems: 9
+    description: Up to 1 IOMMU entry per DMA channel for writes and 1
+      IOMMU entry for reads.
+
   power-domains:
     maxItems: 1
 

Signature · 1 line

2.34.1

The pl330 can be behind an IOMMU which is the case for Arm Juno board. Add the 'iommus' property allowing for 1 IOMMU entry per channel for writes and 1 IOMMU entry for reads.