linux-kernel - [PATCH 03/12] arm64: dts: qcom: sm8450: move USB graph to the SoC dtsi

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Message-Id: <20240429-usb-link-dtsi-v1-3-87c341b55cdf@linaro.org>
Date: Mon, 29 Apr 2024 15:43:40 +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 03/12] arm64: dts: qcom: sm8450: 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/sm8450-hdk.dts | 25 +++----------------------
 arch/arm64/boot/dts/qcom/sm8450.dtsi    | 11 +++++++++++
 2 files changed, 14 insertions(+), 22 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index 3be46b56c723..9926294e4f84 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -674,17 +674,10 @@ &mdss_dsi0_phy {
 
 &mdss_dp0 {
 	status = "okay";
+};
 
-	ports {
-		port@1 {
-			reg = <1>;
-
-			mdss_dp0_out: endpoint {
-				data-lanes = <0 1>;
-				remote-endpoint = <&usb_1_qmpphy_dp_in>;
-			};
-		};
-	};
+&mdss_dp0_out {
+	data-lanes = <0 1>;
 };
 
 &pcie0 {
@@ -1114,10 +1107,6 @@ &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";
 
@@ -1135,18 +1124,10 @@ &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>;
-};
-
 &vamacro {
 	pinctrl-0 = <&dmic01_default>, <&dmic23_default>;
 	pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 616461fcbab9..d138b90bb280 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2321,6 +2321,7 @@ port@1 {
 					reg = <1>;
 
 					usb_1_qmpphy_usb_ss_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_ss>;
 					};
 				};
 
@@ -2328,6 +2329,7 @@ port@2 {
 					reg = <2>;
 
 					usb_1_qmpphy_dp_in: endpoint {
+						remote-endpoint = <&mdss_dp0_out>;
 					};
 				};
 			};
@@ -3119,6 +3121,14 @@ mdss_dp0_in: endpoint {
 							remote-endpoint = <&dpu_intf0_out>;
 						};
 					};
+
+					port@1 {
+						reg = <1>;
+
+						mdss_dp0_out: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_dp_in>;
+						};
+		};
 				};
 
 				dp_opp_table: opp-table {
@@ -4584,6 +4594,7 @@ port@1 {
 						reg = <1>;
 
 						usb_1_dwc3_ss: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_usb_ss_in>;
 						};
 					};
 				};

-- 
2.39.2