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

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Message-Id: <20250715112456.101-2-kernel@airkyi.com>
Date: Tue, 15 Jul 2025 19:24:52 +0800
From: Chaoyi Chen <kernel@...kyi.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Sandy Huang <hjc@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Yubing Zhang <yubing.zhang@...k-chips.com>,
	Frank Wang <frank.wang@...k-chips.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Amit Sunil Dhamne <amitsd@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chaoyi Chen <chaoyi.chen@...k-chips.com>,
	Dragan Simic <dsimic@...jaro.org>,
	Johan Jonker <jbx6244@...il.com>,
	Diederik de Haas <didi.debian@...ow.org>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH 1/5] dt-bindings: connector: Add displayport connector for hotplug notify

From: Chaoyi Chen <chaoyi.chen@...k-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@...k-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