Re: [PATCH 15/16] arm64: dts: qcom: sm8550-aim300: add pmic glink port/endpoints

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On 17/11/2023 12:18, Tengfei Fan wrote:
Add nodes to support Type-C USB/DP functionality.

On this platform, a Type-C redriver is added to the SuperSpeed graph.

Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sm8550-aim300.dts | 88 +++++++++++++++++++++-
  1 file changed, 87 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
index 6dc3040b9f76..f3c558dd40f1 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
@@ -100,7 +100,15 @@
  					reg = <1>;
pmic_glink_ss_in: endpoint {
-						remote-endpoint = <&usb_1_dwc3_ss>;
+						remote-endpoint = <&redriver_ss_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					pmic_glink_sbu: endpoint {
+						remote-endpoint = <&fsa4480_sbu_mux>;
  					};
  				};
  			};
@@ -519,6 +527,62 @@
  	};
  };
+&i2c_master_hub_0 {
+	status = "okay";
+};
+
+&i2c_hub_2 {
+	status = "okay";
+
+	typec-mux@42 {
+		compatible = "fcs,fsa4480";
+		reg = <0x42>;
+
+		vcc-supply = <&vreg_bob1>;
+
+		mode-switch;
+		orientation-switch;
+
+		port {
+			fsa4480_sbu_mux: endpoint {
+				remote-endpoint = <&pmic_glink_sbu>;
+			};
+		};
+	};
+
+	typec-retimer@1c {
+		compatible = "onnn,nb7vpq904m";
+		reg = <0x1c>;
+
+		vcc-supply = <&vreg_l15b_1p8>;
+
+		orientation-switch;
+		retimer-switch;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				redriver_ss_out: endpoint {
+					remote-endpoint = <&pmic_glink_ss_in>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				redriver_ss_in: endpoint {
+					data-lanes = <3 2 1 0>;
+					remote-endpoint = <&usb_dp_qmpphy_out>;
+				};
+			};
+		};
+	};
+};
+
  &gcc {
  	clocks = <&bi_tcxo_div2>, <&sleep_clk>,
  		 <&pcie0_phy>,
@@ -552,6 +616,16 @@
  	status = "okay";
  };
+&mdss_dp0 {
+	status = "okay";
+};
+
+&mdss_dp0_out {
+	data-lanes = <0 1>;

Why? Are you really limited to two lanes for DP by the hardware?

+	remote-endpoint = <&usb_dp_qmpphy_dp_in>;
+};
+
+
  &mdss_dsi0 {
  	vdda-supply = <&vreg_l3e_1p2>;
  	status = "okay";
@@ -861,6 +935,18 @@
  	status = "okay";
  };
+&usb_dp_qmpphy_dp_in {
+	remote-endpoint = <&mdss_dp0_out>;
+};
+
+&usb_dp_qmpphy_out {
+	remote-endpoint = <&redriver_ss_in>;
+};
+
+&usb_dp_qmpphy_usb_ss_in {
+	remote-endpoint = <&usb_1_dwc3_ss>;
+};
+
  &xo_board {
  	clock-frequency = <76800000>;
  };

--
With best wishes
Dmitry





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