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| author |  Rob Herring <robh@kernel.org>
| 2022-08-01 15:02:37 -0600 |
|---|---|---|
| committer |  Vinod Koul <vkoul@kernel.org>
| 2022-09-04 21:41:11 +0530 |
| commit | 249d2e6f597b72769e158bfa0f64051de645ce3d (patch) | |
| tree | a16ef8a2e7e26a97864b676aa05ba1b353d63cff /Documentation/devicetree/bindings/dma | |
| parent | Linux 6.0-rc1 (diff) | |
| download | linux-249d2e6f597b72769e158bfa0f64051de645ce3d.tar.gz linux-249d2e6f597b72769e158bfa0f64051de645ce3d.tar.bz2 linux-249d2e6f597b72769e158bfa0f64051de645ce3d.zip | |
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>
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/arm,pl330.yaml | 6 |
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 |