diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index 1fb195c..ca5c0b2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -231,6 +231,42 @@
 
 };
 
+&cci {
+	proc-supply = <&mt6358_vproc12_reg>;
+};
+
+&cpu0 {
+	proc-supply = <&mt6358_vproc12_reg>;
+};
+
+&cpu1 {
+	proc-supply = <&mt6358_vproc12_reg>;
+};
+
+&cpu2 {
+	proc-supply = <&mt6358_vproc12_reg>;
+};
+
+&cpu3 {
+	proc-supply = <&mt6358_vproc12_reg>;
+};
+
+&cpu4 {
+	proc-supply = <&mt6358_vproc11_reg>;
+};
+
+&cpu5 {
+	proc-supply = <&mt6358_vproc11_reg>;
+};
+
+&cpu6 {
+	proc-supply = <&mt6358_vproc11_reg>;
+};
+
+&cpu7 {
+	proc-supply = <&mt6358_vproc11_reg>;
+};
+
 &uart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 10b3247..d260a5a 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -31,6 +31,219 @@
 		i2c11 = &i2c11;
 	};
 
+	cluster0_opp: opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+		opp00 {
+			opp-hz = /bits/ 64 <793000000>;
+			opp-microvolt = <650000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <910000000>;
+			opp-microvolt = <687500>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <1014000000>;
+			opp-microvolt = <718750>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <1131000000>;
+			opp-microvolt = <756250>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <1248000000>;
+			opp-microvolt = <800000>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1326000000>;
+			opp-microvolt = <818750>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1417000000>;
+			opp-microvolt = <850000>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <1508000000>;
+			opp-microvolt = <868750>;
+		};
+		opp08 {
+			opp-hz = /bits/ 64 <1586000000>;
+			opp-microvolt = <893750>;
+		};
+		opp09 {
+			opp-hz = /bits/ 64 <1625000000>;
+			opp-microvolt = <906250>;
+		};
+		opp10 {
+			opp-hz = /bits/ 64 <1677000000>;
+			opp-microvolt = <931250>;
+		};
+		opp11 {
+			opp-hz = /bits/ 64 <1716000000>;
+			opp-microvolt = <943750>;
+		};
+		opp12 {
+			opp-hz = /bits/ 64 <1781000000>;
+			opp-microvolt = <975000>;
+		};
+		opp13 {
+			opp-hz = /bits/ 64 <1846000000>;
+			opp-microvolt = <1000000>;
+		};
+		opp14 {
+			opp-hz = /bits/ 64 <1924000000>;
+			opp-microvolt = <1025000>;
+		};
+		opp15 {
+			opp-hz = /bits/ 64 <1989000000>;
+			opp-microvolt = <1050000>;
+		};	};
+
+	cluster1_opp: opp_table1 {
+		compatible = "operating-points-v2";
+		opp-shared;
+		opp00 {
+			opp-hz = /bits/ 64 <793000000>;
+			opp-microvolt = <700000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <910000000>;
+			opp-microvolt = <725000>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <1014000000>;
+			opp-microvolt = <750000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <1131000000>;
+			opp-microvolt = <775000>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <1248000000>;
+			opp-microvolt = <800000>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1326000000>;
+			opp-microvolt = <825000>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1417000000>;
+			opp-microvolt = <850000>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <1508000000>;
+			opp-microvolt = <875000>;
+		};
+		opp08 {
+			opp-hz = /bits/ 64 <1586000000>;
+			opp-microvolt = <900000>;
+		};
+		opp09 {
+			opp-hz = /bits/ 64 <1625000000>;
+			opp-microvolt = <912500>;
+		};
+		opp10 {
+			opp-hz = /bits/ 64 <1677000000>;
+			opp-microvolt = <931250>;
+		};
+		opp11 {
+			opp-hz = /bits/ 64 <1716000000>;
+			opp-microvolt = <950000>;
+		};
+		opp12 {
+			opp-hz = /bits/ 64 <1781000000>;
+			opp-microvolt = <975000>;
+		};
+		opp13 {
+			opp-hz = /bits/ 64 <1846000000>;
+			opp-microvolt = <1000000>;
+		};
+		opp14 {
+			opp-hz = /bits/ 64 <1924000000>;
+			opp-microvolt = <1025000>;
+		};
+		opp15 {
+			opp-hz = /bits/ 64 <1989000000>;
+			opp-microvolt = <1050000>;
+		};
+	};
+
+	cci_opp: opp_table2 {
+		compatible = "operating-points-v2";
+		opp-shared;
+		opp00 {
+			opp-hz = /bits/ 64 <273000000>;
+			opp-microvolt = <650000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <338000000>;
+			opp-microvolt = <687500>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <403000000>;
+			opp-microvolt = <718750>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <463000000>;
+			opp-microvolt = <756250>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <546000000>;
+			opp-microvolt = <800000>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <624000000>;
+			opp-microvolt = <818750>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <689000000>;
+			opp-microvolt = <850000>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <767000000>;
+			opp-microvolt = <868750>;
+		};
+		opp08 {
+			opp-hz = /bits/ 64 <845000000>;
+			opp-microvolt = <893750>;
+		};
+		opp09 {
+			opp-hz = /bits/ 64 <871000000>;
+			opp-microvolt = <906250>;
+		};
+		opp10 {
+			opp-hz = /bits/ 64 <923000000>;
+			opp-microvolt = <931250>;
+		};
+		opp11 {
+			opp-hz = /bits/ 64 <962000000>;
+			opp-microvolt = <943750>;
+		};
+		opp12 {
+			opp-hz = /bits/ 64 <1027000000>;
+			opp-microvolt = <975000>;
+		};
+		opp13 {
+			opp-hz = /bits/ 64 <1092000000>;
+			opp-microvolt = <1000000>;
+		};
+		opp14 {
+			opp-hz = /bits/ 64 <1144000000>;
+			opp-microvolt = <1025000>;
+		};
+		opp15 {
+			opp-hz = /bits/ 64 <1196000000>;
+			opp-microvolt = <1050000>;
+		};
+	};
+
+	cci: cci {
+		compatible = "mediatek,mt8183-cci";
+		clocks = <&apmixedsys CLK_APMIXED_CCIPLL>;
+		clock-names = "cci_clock";
+		operating-points-v2 = <&cci_opp>;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -73,6 +286,10 @@
 			reg = <0x000>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			clocks = <&mcucfg CLK_MCU_MP0_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu1: cpu@1 {
@@ -81,6 +298,10 @@
 			reg = <0x001>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			clocks = <&mcucfg CLK_MCU_MP0_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu2: cpu@2 {
@@ -89,6 +310,10 @@
 			reg = <0x002>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			clocks = <&mcucfg CLK_MCU_MP0_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu3: cpu@3 {
@@ -97,6 +322,10 @@
 			reg = <0x003>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <741>;
+			clocks = <&mcucfg CLK_MCU_MP0_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu4: cpu@100 {
@@ -105,6 +334,10 @@
 			reg = <0x100>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			clocks = <&mcucfg CLK_MCU_MP2_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster1_opp>;
 		};
 
 		cpu5: cpu@101 {
@@ -113,6 +346,10 @@
 			reg = <0x101>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			clocks = <&mcucfg CLK_MCU_MP2_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster1_opp>;
 		};
 
 		cpu6: cpu@102 {
@@ -121,6 +358,10 @@
 			reg = <0x102>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			clocks = <&mcucfg CLK_MCU_MP2_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster1_opp>;
 		};
 
 		cpu7: cpu@103 {
@@ -129,6 +370,10 @@
 			reg = <0x103>;
 			enable-method = "psci";
 			capacity-dmips-mhz = <1024>;
+			clocks = <&mcucfg CLK_MCU_MP2_SEL>,
+				 <&topckgen CLK_TOP_ARMPLL_DIV_PLL1>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster1_opp>;
 		};
 	};
 
