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Subject[PATCH 1/2] dt-bindings: usb: snps,dwc3: Allow power-domains property
The Rockchip RK3399 DWC3 node has 'power-domain' property which isn't
allowed by the schema:

usb@fe900000: Unevaluated properties are not allowed ('power-domains' was unexpected)

Allow DWC3 nodes to have a single power-domains entry. We could instead
move the power-domains property to the parent wrapper node, but the
could be an ABI break (Linux shouldn't care). Also, we don't want to
encourage the pattern of wrapper nodes just to define resources such as
clocks, resets, power-domains, etc. when not necessary.

Signed-off-by: Rob Herring <>
Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 6d78048c4613..bcefd1c2410a 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -91,6 +91,9 @@ properties:
- usb2-phy
- usb3-phy

+ power-domains:
+ maxItems: 1
minItems: 1

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