linux-kernel - [PATCH v3 1/5] dt-bindings: display: bridge: simple: document the Realtek RTD2171 DP-to-HDMI bridge

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Message-Id: <20250908-topic-x1e80100-hdmi-v3-1-c53b0f2bc2fb@linaro.org>
Date: Mon, 08 Sep 2025 15:04:18 +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>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 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.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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 421f99ca42d9b75ba1963493d36fc89fa9d8252c..9ef587d4650602699efac634c5466eb2e8aafecd 100644
--- a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
@@ -29,6 +29,7 @@ properties:
           - adi,adv7123
           - dumb-vga-dac
           - radxa,ra620
+          - realtek,rtd2171
           - ti,opa362
           - ti,ths8134
           - ti,ths8135

-- 
2.34.1