linux-kernel - [PATCH 02/12] arm64: dts: qcom: sm8350: move USB graph to the SoC dtsi

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Message-Id: <20240429-usb-link-dtsi-v1-2-87c341b55cdf@linaro.org>
Date: Mon, 29 Apr 2024 15:43:39 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.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, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH 02/12] arm64: dts: qcom: sm8350: move USB graph to the SoC
 dtsi

Move the graph connection between USB host, USB SS PHY and DP port to
the SoC dtsi file. They are linked in hardware in this way.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 25 +++----------------------
 arch/arm64/boot/dts/qcom/sm8350.dtsi    | 11 +++++++++++
 2 files changed, 14 insertions(+), 22 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
index 4c25ab2f5670..81e5577cccb7 100644
--- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
@@ -486,17 +486,10 @@ &mdss {
 
 &mdss_dp {
 	status = "okay";
+};
 
-	ports {
-		port@1 {
-			reg = <1>;
-
-			mdss_dp0_out: endpoint {
-				data-lanes = <0 1>;
-				remote-endpoint = <&usb_1_qmpphy_dp_in>;
-			};
-		};
-	};
+&mdss_dp_out {
+	data-lanes = <0 1>;
 };
 
 &mpss {
@@ -864,10 +857,6 @@ &usb_1_dwc3_hs {
 	remote-endpoint = <&pmic_glink_hs_in>;
 };
 
-&usb_1_dwc3_ss {
-	remote-endpoint = <&usb_1_qmpphy_usb_ss_in>;
-};
-
 &usb_1_hsphy {
 	status = "okay";
 
@@ -885,18 +874,10 @@ &usb_1_qmpphy {
 	orientation-switch;
 };
 
-&usb_1_qmpphy_dp_in {
-	remote-endpoint = <&mdss_dp0_out>;
-};
-
 &usb_1_qmpphy_out {
 	remote-endpoint = <&pmic_glink_ss_in>;
 };
 
-&usb_1_qmpphy_usb_ss_in {
-	remote-endpoint = <&usb_1_dwc3_ss>;
-};
-
 &usb_2 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index f7c4700f00c3..24c42f285163 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -2273,6 +2273,7 @@ port@1 {
 					reg = <1>;
 
 					usb_1_qmpphy_usb_ss_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_ss>;
 					};
 				};
 
@@ -2280,6 +2281,7 @@ port@2 {
 					reg = <2>;
 
 					usb_1_qmpphy_dp_in: endpoint {
+						remote-endpoint = <&mdss_dp_out>;
 					};
 				};
 			};
@@ -2405,6 +2407,7 @@ port@1 {
 						reg = <1>;
 
 						usb_1_dwc3_ss: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_usb_ss_in>;
 						};
 					};
 				};
@@ -2626,6 +2629,14 @@ mdss_dp_in: endpoint {
 							remote-endpoint = <&dpu_intf0_out>;
 						};
 					};
+
+					port@1 {
+						reg = <1>;
+
+						mdss_dp_out: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_dp_in>;
+						};
+					};
 				};
 
 				dp_opp_table: opp-table {

-- 
2.39.2