arm64: dts: qcom: sm6125: Add display hardware nodes

Add the DT nodes that describe the MDSS hardware on SM6125, containing
one MDP (display controller) together with a single DSI and DSI PHY.  No
DisplayPort support is added for now.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20230723-sm6125-dpu-v4-16-a3f287dd6c07@somainline.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm6125.dtsi

@@ -1208,13 +1208,202 @@ sram@4690000 {
 			reg = <0x04690000 0x10000>;
 		};
 
+		mdss: display-subsystem@5e00000 {
+			compatible = "qcom,sm6125-mdss";
+			reg = <0x05e00000 0x1000>;
+			reg-names = "mdss";
+
+			interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			clocks = <&gcc GCC_DISP_AHB_CLK>,
+				 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+				 <&dispcc DISP_CC_MDSS_MDP_CLK>;
+			clock-names = "iface",
+				      "ahb",
+				      "core";
+
+			power-domains = <&dispcc MDSS_GDSC>;
+
+			iommus = <&apps_smmu 0x400 0x0>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			status = "disabled";
+
+			mdss_mdp: display-controller@5e01000 {
+				compatible = "qcom,sm6125-dpu";
+				reg = <0x05e01000 0x83208>,
+				      <0x05eb0000 0x2008>;
+				reg-names = "mdp", "vbif";
+
+				interrupt-parent = <&mdss>;
+				interrupts = <0>;
+
+				clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+					 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&dispcc DISP_CC_MDSS_ROT_CLK>,
+					 <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+					 <&dispcc DISP_CC_MDSS_MDP_CLK>,
+					 <&dispcc DISP_CC_MDSS_VSYNC_CLK>,
+					 <&gcc GCC_DISP_THROTTLE_CORE_CLK>;
+				clock-names = "bus",
+					      "iface",
+					      "rot",
+					      "lut",
+					      "core",
+					      "vsync",
+					      "throttle";
+				assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+				assigned-clock-rates = <19200000>;
+
+				operating-points-v2 = <&mdp_opp_table>;
+				power-domains = <&rpmpd SM6125_VDDCX>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						dpu_intf1_out: endpoint {
+							remote-endpoint = <&mdss_dsi0_in>;
+						};
+					};
+				};
+
+				mdp_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-192000000 {
+						opp-hz = /bits/ 64 <192000000>;
+						required-opps = <&rpmpd_opp_low_svs>;
+					};
+
+					opp-256000000 {
+						opp-hz = /bits/ 64 <256000000>;
+						required-opps = <&rpmpd_opp_svs>;
+					};
+
+					opp-307200000 {
+						opp-hz = /bits/ 64 <307200000>;
+						required-opps = <&rpmpd_opp_svs_plus>;
+					};
+
+					opp-384000000 {
+						opp-hz = /bits/ 64 <384000000>;
+						required-opps = <&rpmpd_opp_nom>;
+					};
+
+					opp-400000000 {
+						opp-hz = /bits/ 64 <400000000>;
+						required-opps = <&rpmpd_opp_turbo>;
+					};
+				};
+			};
+
+			mdss_dsi0: dsi@5e94000 {
+				compatible = "qcom,sm6125-dsi-ctrl", "qcom,mdss-dsi-ctrl";
+				reg = <0x05e94000 0x400>;
+				reg-names = "dsi_ctrl";
+
+				interrupt-parent = <&mdss>;
+				interrupts = <4>;
+
+				clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>,
+					 <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>,
+					 <&dispcc DISP_CC_MDSS_PCLK0_CLK>,
+					 <&dispcc DISP_CC_MDSS_ESC0_CLK>,
+					 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&gcc GCC_DISP_HF_AXI_CLK>;
+				clock-names = "byte",
+					      "byte_intf",
+					      "pixel",
+					      "core",
+					      "iface",
+					      "bus";
+				assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>,
+						  <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
+				assigned-clock-parents = <&mdss_dsi0_phy 0>, <&mdss_dsi0_phy 1>;
+
+				operating-points-v2 = <&dsi_opp_table>;
+				power-domains = <&rpmpd SM6125_VDDCX>;
+
+				phys = <&mdss_dsi0_phy>;
+				phy-names = "dsi";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						mdss_dsi0_in: endpoint {
+							remote-endpoint = <&dpu_intf1_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						mdss_dsi0_out: endpoint {
+						};
+					};
+				};
+
+				dsi_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					opp-164000000 {
+						opp-hz = /bits/ 64 <164000000>;
+						required-opps = <&rpmpd_opp_low_svs>;
+					};
+
+					opp-187500000 {
+						opp-hz = /bits/ 64 <187500000>;
+						required-opps = <&rpmpd_opp_svs>;
+					};
+				};
+			};
+
+			mdss_dsi0_phy: phy@5e94400 {
+				compatible = "qcom,sm6125-dsi-phy-14nm";
+				reg = <0x05e94400 0x100>,
+				      <0x05e94500 0x300>,
+				      <0x05e94800 0x188>;
+				reg-names = "dsi_phy",
+					    "dsi_phy_lane",
+					    "dsi_pll";
+
+				#clock-cells = <1>;
+				#phy-cells = <0>;
+
+				clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+					 <&rpmcc RPM_SMD_XO_CLK_SRC>;
+				clock-names = "iface",
+					      "ref";
+
+				required-opps = <&rpmpd_opp_nom>;
+				power-domains = <&rpmpd SM6125_VDDMX>;
+
+				status = "disabled";
+			};
+		};
+
 		dispcc: clock-controller@5f00000 {
 			compatible = "qcom,sm6125-dispcc";
 			reg = <0x05f00000 0x20000>;
 
 			clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
-				 <0>,
-				 <0>,
+				 <&mdss_dsi0_phy 0>,
+				 <&mdss_dsi0_phy 1>,
 				 <0>,
 				 <0>,
 				 <0>,