arm64: dts: qcom: sm8650: Add DisplayPort device nodes

Declare the displayport controller present on the Qualcomm SM8650 SoC
and connected to the USB3/DP Combo PHY.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231208-topic-sm8650-upstream-dp-v2-1-69dab3d074e4@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8650.dtsi

@@ -3146,6 +3146,14 @@ dpu_intf2_out: endpoint {
 							remote-endpoint = <&mdss_dsi1_in>;
 						};
 					};
+
+					port@2 {
+						reg = <2>;
+
+						dpu_intf0_out: endpoint {
+							remote-endpoint = <&mdss_dp0_in>;
+						};
+					};
 				};
 
 				mdp_opp_table: opp-table {
@@ -3347,6 +3355,88 @@ mdss_dsi1_phy: phy@ae97000 {
 
 				status = "disabled";
 			};
+
+			mdss_dp0: displayport-controller@af54000 {
+				compatible = "qcom,sm8650-dp";
+				reg = <0 0xaf54000 0 0x104>,
+				      <0 0xaf54200 0 0xc0>,
+				      <0 0xaf55000 0 0x770>,
+				      <0 0xaf56000 0 0x9c>,
+				      <0 0xaf57000 0 0x9c>;
+
+				interrupts-extended = <&mdss 12>;
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_AUX_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
+					 <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK>;
+				clock-names = "core_iface",
+					      "core_aux",
+					      "ctrl_link",
+					      "ctrl_link_iface",
+					      "stream_pixel";
+
+				assigned-clocks = <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
+						  <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>;
+				assigned-clock-parents = <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+							 <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+
+				operating-points-v2 = <&dp_opp_table>;
+
+				power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+				phys = <&usb_dp_qmpphy QMP_USB43DP_DP_PHY>;
+				phy-names = "dp";
+
+				#sound-dai-cells = <0>;
+
+				status = "disabled";
+
+				dp_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-162000000 {
+						opp-hz = /bits/ 64 <162000000>;
+						required-opps = <&rpmhpd_opp_low_svs_d1>;
+					};
+
+					opp-270000000 {
+						opp-hz = /bits/ 64 <270000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-540000000 {
+						opp-hz = /bits/ 64 <540000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-810000000 {
+						opp-hz = /bits/ 64 <810000000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						mdss_dp0_in: endpoint {
+							remote-endpoint = <&dpu_intf0_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						mdss_dp0_out: endpoint {
+						};
+					};
+				};
+			};
 		};
 
 		dispcc: clock-controller@af00000 {
@@ -3361,8 +3451,8 @@ dispcc: clock-controller@af00000 {
 				 <&mdss_dsi0_phy 1>,
 				 <&mdss_dsi1_phy 0>,
 				 <&mdss_dsi1_phy 1>,
-				 <0>, /* dp0 */
-				 <0>,
+				 <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+				 <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>,
 				 <0>, /* dp1 */
 				 <0>,
 				 <0>, /* dp2 */
@@ -3419,6 +3509,32 @@ usb_dp_qmpphy: phy@88e8000 {
 			#phy-cells = <1>;
 
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					usb_dp_qmpphy_out: endpoint {
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					usb_dp_qmpphy_usb_ss_in: endpoint {
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					usb_dp_qmpphy_dp_in: endpoint {
+					};
+				};
+			};
 		};
 
 		usb_1: usb@a6f8800 {