[PATCH] dt-bindings: phy: mediatek: tphy: add a property for power-domains

[Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>]

Some platforms requires a dependency for power-domains.
So we add property 'power-domains' and set 'maxItems: 1' in the
DT Schema.

Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 423b7c4e62f2..c77fe43c224a 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -125,6 +125,9 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 28
 
+  power-domains:
+    maxItems: 1
+
 # Required child node:
 patternProperties:
   "^(usb|pcie|sata)-phy@[0-9a-f]+$":
-- 
2.45.2