arm64: dts: sc7180: Add DSI and MDP OPP tables and power-domains

Add the OPP tables for DSI and MDP based on the perf state/clk
requirements, and add the power-domains property to specify the
scalable power domain.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1594292674-15632-5-git-send-email-rnayak@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sc7180.dtsi

@@ -2754,6 +2754,8 @@ mdp: mdp@ae01000 {
 						       <19200000>,
 						       <19200000>,
 						       <19200000>;
+				operating-points-v2 = <&mdp_opp_table>;
+				power-domains = <&rpmhpd SC7180_CX>;
 
 				interrupt-parent = <&mdss>;
 				interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
@@ -2771,6 +2773,31 @@ dpu_intf1_out: endpoint {
 						};
 					};
 				};
+
+				mdp_opp_table: mdp-opp-table {
+					compatible = "operating-points-v2";
+
+					opp-200000000 {
+						opp-hz = /bits/ 64 <200000000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-300000000 {
+						opp-hz = /bits/ 64 <300000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-345000000 {
+						opp-hz = /bits/ 64 <345000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-460000000 {
+						opp-hz = /bits/ 64 <460000000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+
 			};
 
 			dsi0: dsi@ae94000 {
@@ -2794,6 +2821,9 @@ dsi0: dsi@ae94000 {
 					      "iface",
 					      "bus";
 
+				operating-points-v2 = <&dsi_opp_table>;
+				power-domains = <&rpmhpd SC7180_CX>;
+
 				phys = <&dsi_phy>;
 				phy-names = "dsi";
 
@@ -2819,6 +2849,25 @@ dsi0_out: endpoint {
 						};
 					};
 				};
+
+				dsi_opp_table: dsi-opp-table {
+					compatible = "operating-points-v2";
+
+					opp-187500000 {
+						opp-hz = /bits/ 64 <187500000>;
+						required-opps = <&rpmhpd_opp_low_svs>;
+					};
+
+					opp-300000000 {
+						opp-hz = /bits/ 64 <300000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-358000000 {
+						opp-hz = /bits/ 64 <358000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+				};
 			};
 
 			dsi_phy: dsi-phy@ae94400 {