[PATCH 1/5] dt-bindings: connector: Add displayport connector for hotplug notify

[Chaoyi Chen]

From: Chaoyi Chen <chaoyi.chen at rock-chips.com>

The USB Type-C DisplayPort alternate mode driver will find
"displayport" property for DRM hotplug event notify[0].

[0]: https://lore.kernel.org/all/20210817215201.795062-9-hdegoede@redhat.com/

Signed-off-by: Chaoyi Chen <chaoyi.chen at rock-chips.com>
---
 .../devicetree/bindings/connector/usb-connector.yaml          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index 11e40d225b9f..ccb258972cd6 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -300,6 +300,10 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint8-array
     maxItems: 4
 
+  displayport:
+    description: A phandle to displayport connector for DRM hotplug event notify.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
 dependencies:
   sink-vdos-v1: [ sink-vdos ]
   sink-vdos: [ sink-vdos-v1 ]
-- 
2.49.0