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authorRob Herring2022-08-01 15:02:37 -0600
committerVinod Koul2022-09-04 21:41:11 +0530
commit249d2e6f597b72769e158bfa0f64051de645ce3d (patch)
treea16ef8a2e7e26a97864b676aa05ba1b353d63cff
parent568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff)
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 <robh@kernel.org> Link: https://lore.kernel.org/r/20220801210237.1501488-1-robh@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/dma/arm,pl330.yaml6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/arm,pl330.yaml b/Documentation/devicetree/bindings/dma/arm,pl330.yaml
index 2bec69b308f8..4a3dd6f5309b 100644
--- a/Documentation/devicetree/bindings/dma/arm,pl330.yaml
+++ b/Documentation/devicetree/bindings/dma/arm,pl330.yaml
@@ -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