linux-kernel - [PATCH 1/3] dt-bindings: display: lt9611: Add dsi-port-b property

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Message-Id: <20260127-rubikpi-next-20260116-v1-1-0286c75150c5@thundersoft.com>
Date: Tue, 27 Jan 2026 14:58:11 +0800
From: Hongyang Zhao <hongyang.zhao@...ndersoft.com>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...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, 
 Hongyang Zhao <hongyang.zhao@...ndersoft.com>, 
 Roger Shimizu <rosh@...ian.org>
Subject: [PATCH 1/3] dt-bindings: display: lt9611: Add dsi-port-b property

Document the lontium,dsi-port-b property for selecting DSI Port B as
the input source instead of the default Port A.

Signed-off-by: Hongyang Zhao <hongyang.zhao@...ndersoft.com>
Reviewed-by: Roger Shimizu <rosh@...ian.org>
---
 .../devicetree/bindings/display/bridge/lontium,lt9611.yaml          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
index 655db8cfdc25..9b7dba4e114c 100644
--- a/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
@@ -37,6 +37,12 @@ properties:
   vcc-supply:
     description: Regulator for 3.3V IO power.
 
+  lontium,dsi-port-b:
+    type: boolean
+    description:
+      Use DSI Port B as the input source instead of Port A or Port A + B.
+      Required when the DSI is physically connected to Port B.
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

-- 
2.43.0