diff --git a/arch/arm/dts/rk3399-op1-opp.dtsi b/arch/arm/dts/rk3399-op1-opp.dtsi
index 69cc9b0..783120e 100644
--- a/arch/arm/dts/rk3399-op1-opp.dtsi
+++ b/arch/arm/dts/rk3399-op1-opp.dtsi
@@ -4,7 +4,7 @@
  */
 
 / {
-	cluster0_opp: opp-table0 {
+	cluster0_opp: opp-table-0 {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -39,7 +39,7 @@
 		};
 	};
 
-	cluster1_opp: opp-table1 {
+	cluster1_opp: opp-table-1 {
 		compatible = "operating-points-v2";
 		opp-shared;
 
@@ -82,7 +82,7 @@
 		};
 	};
 
-	gpu_opp_table: opp-table2 {
+	gpu_opp_table: opp-table-2 {
 		compatible = "operating-points-v2";
 
 		opp00 {
@@ -110,6 +110,27 @@
 			opp-microvolt = <1075000>;
 		};
 	};
+
+	dmc_opp_table: opp-table-3 {
+		compatible = "operating-points-v2";
+
+		opp00 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <900000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <666000000>;
+			opp-microvolt = <900000>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <900000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <928000000>;
+			opp-microvolt = <925000>;
+		};
+	};
 };
 
 &cpu_l0 {
@@ -136,6 +157,10 @@
 	operating-points-v2 = <&cluster1_opp>;
 };
 
+&dmc {
+	operating-points-v2 = <&dmc_opp_table>;
+};
+
 &gpu {
 	operating-points-v2 = <&gpu_opp_table>;
 };