linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: qcs6490-rubikpi3: Use lt9611 DSI Port B

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Message-Id: <20260128-rubikpi-next-20260116-v2-3-ba51ce8d2bd2@thundersoft.com>
Date: Wed, 28 Jan 2026 19:15:47 +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 v2 3/3] arm64: dts: qcom: qcs6490-rubikpi3: Use lt9611 DSI
 Port B

The LT9611 HDMI bridge on RubikPi3 has DSI physically connected to
Port B. Update the devicetree to use port@1 which corresponds to
Port B input on the LT9611.

Signed-off-by: Hongyang Zhao <hongyang.zhao@...ndersoft.com>
Reviewed-by: Roger Shimizu <rosh@...ian.org>
---
 arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
index 0b64a0b91202..f47efca42d48 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts
@@ -755,10 +755,10 @@ ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-			port@0 {
-				reg = <0>;
+			port@1 {
+				reg = <1>;
 
-				lt9611_a: endpoint {
+				lt9611_b: endpoint {
 					remote-endpoint = <&mdss_dsi0_out>;
 				};
 			};
@@ -801,7 +801,7 @@ &mdss_dsi {
 };
 
 &mdss_dsi0_out {
-	remote-endpoint = <&lt9611_a>;
+	remote-endpoint = <&lt9611_b>;
 	data-lanes = <0 1 2 3>;
 };
 

-- 
2.43.0