linux-kernel - [PATCH v2 1/5] dt-bindings: display: bridge: simple: document the Realtek RTD2171 DP-to-HDMI bridge

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Message-Id: <20250902-topic-x1e80100-hdmi-v2-1-f4ccf0ef79ab@linaro.org>
Date: Tue, 02 Sep 2025 11:00:28 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.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>, 
 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>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-phy@...ts.infradead.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v2 1/5] dt-bindings: display: bridge: simple: document the
 Realtek RTD2171 DP-to-HDMI bridge

The Realtek RTD2171 chipset is a transparent DisplayPort 1.4 to
HDMI 2.0 bridge.

This chipset is usually found in USB-C To HDMI Adapters and Docks,
or laptops to provide HDMI display output.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
index 43cf4df9811a5897843685727a49fd5a90096391..003a1c934f863864400d689cd784990cbc1de3de 100644
--- a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
@@ -28,6 +28,7 @@ properties:
       - enum:
           - adi,adv7123
           - dumb-vga-dac
+          - realtek,rtd2171
           - ti,opa362
           - ti,ths8134
           - ti,ths8135

-- 
2.34.1