linux-kernel - [PATCH v3 4/9] arm64: dts: qcom: sm8550: move dp0 data-lanes to SoC dtsi

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Message-Id: <20250822-topic-x1e80100-4lanes-v3-4-5363acad9e32@linaro.org>
Date: Fri, 22 Aug 2025 17:56:52 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v3 4/9] arm64: dts: qcom: sm8550: move dp0 data-lanes to
 SoC dtsi

The connection between the QMP Combo PHY and the DisplayPort
controller is fixed in SoC, so move the data-lanes property
in the SoC dtsi.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8550-hdk.dts | 4 ----
 arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 4 ----
 arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 4 ----
 arch/arm64/boot/dts/qcom/sm8550.dtsi    | 1 +
 4 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
index 9dfb248f9ab52b354453cf42c09d93bbee99214f..3322f2afd3d6b92d00cab5f03338fd1a474d6e62 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
@@ -1002,10 +1002,6 @@ &mdss_dp0 {
 	status = "okay";
 };
 
-&mdss_dp0_out {
-	data-lanes = <0 1>;
-};
-
 &pcie0 {
 	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
 	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
index fdcecd41297d6ebc81c5088472e4731ca0782fcb..635c96f929f4ec034db824faad6a2ba30110394c 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
@@ -738,10 +738,6 @@ &mdss_dp0 {
 	status = "okay";
 };
 
-&mdss_dp0_out {
-	data-lanes = <0 1>;
-};
-
 &pcie0 {
 	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
 	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index 49438a7e77ceaab9506158855b6262206bca94ec..4efc30fb34c0ba856d196de8be38ff2d2755c302 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -857,10 +857,6 @@ &mdss_dp0 {
 	status = "okay";
 };
 
-&mdss_dp0_out {
-	data-lanes = <0 1>;
-};
-
 &pcie0 {
 	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
 	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 0409ae7517f239171a89bc0ba7bb47bc9e7fedaf..277820491e8e96ce282579daef5287f6327ecbbf 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -3791,6 +3791,7 @@ mdss_dp0_in: endpoint {
 					port@1 {
 						reg = <1>;
 						mdss_dp0_out: endpoint {
+							data-lanes = <0 1>;
 							remote-endpoint = <&usb_dp_qmpphy_dp_in>;
 						};
 					};

-- 
2.34.1