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dt-bindings: iommu: apple,dart: Add power-domains property

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This will bind to the PMGR pwrstate nodes that control power/clock
gating to SoC blocks. The DART driver doesn't do runtime-pm yet, so
initially this will just keep the domain on permanently.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-11-24 15:13:15 +09:00
parent 6f8260557d
commit 364609125e
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/iommu/apple,dart.yaml
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@ -41,6 +41,9 @@ properties:
Has to be one. The single cell describes the stream id emitted by
a master to the IOMMU.
power-domains:
maxItems: 1
required:
- compatible
- reg