diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index f80dfa7d9a0b..683d7797f960 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -347,6 +347,11 @@ map2 {
 					cooling-device = <&rkvdec THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 					contribution = <1024>;
 				};
+				map3 {
+					trip = <&target>;
+					cooling-device = <&dmc THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <1024>;
+				};
 			};
 		};
 
@@ -1296,7 +1301,16 @@ SYS_STATUS_BOOST        933000
 		>;
 		auto-min-freq = <786000>;
 		auto-freq-en = <0>;
+		#cooling-cells = <2>;
 		status = "disabled";
+
+		ddr_power_model: ddr_power_model {
+			compatible = "ddr_power_model";
+			dynamic-power-coefficient = <120>;
+			static-power-coefficient = <200>;
+			ts = <32000 4700 (-80) 2>;
+			thermal-zone = "soc-thermal";
+		};
 	};
 
 	dmc_opp_table: dmc-opp-table {