diff --git a/arch/riscv/dts/ae350_32.dts b/arch/riscv/dts/ae350_32.dts
index 97b7cee..c6c2040 100644
--- a/arch/riscv/dts/ae350_32.dts
+++ b/arch/riscv/dts/ae350_32.dts
@@ -62,6 +62,48 @@
 				compatible = "riscv,cpu-intc";
 			};
 		};
+		CPU2: cpu@2 {
+			device_type = "cpu";
+			reg = <2>;
+			status = "okay";
+			compatible = "riscv";
+			riscv,isa = "rv32imafdc";
+			riscv,priv-major = <1>;
+			riscv,priv-minor = <10>;
+			mmu-type = "riscv,sv32";
+			clock-frequency = <60000000>;
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <32>;
+			next-level-cache = <&L2>;
+			CPU2_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				interrupt-controller;
+				compatible = "riscv,cpu-intc";
+			};
+		};
+		CPU3: cpu@3 {
+			device_type = "cpu";
+			reg = <3>;
+			status = "okay";
+			compatible = "riscv";
+			riscv,isa = "rv32imafdc";
+			riscv,priv-major = <1>;
+			riscv,priv-minor = <10>;
+			mmu-type = "riscv,sv32";
+			clock-frequency = <60000000>;
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <32>;
+			next-level-cache = <&L2>;
+			CPU3_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				interrupt-controller;
+				compatible = "riscv,cpu-intc";
+			};
+		};
 	};
 
 	L2: l2-cache@e0500000 {
@@ -94,7 +136,10 @@
 			interrupt-controller;
 			reg = <0xe4000000 0x2000000>;
 			riscv,ndev=<71>;
-			interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9 &CPU1_intc 11 &CPU1_intc 9>;
+			interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9
+				&CPU1_intc 11 &CPU1_intc 9
+				&CPU2_intc 11 &CPU2_intc 9
+				&CPU3_intc 11 &CPU3_intc 9>;
 		};
 
 		plic1: interrupt-controller@e6400000 {
@@ -104,12 +149,18 @@
 			interrupt-controller;
 			reg = <0xe6400000 0x400000>;
 			riscv,ndev=<2>;
-			interrupts-extended = <&CPU0_intc 3 &CPU1_intc 3>;
+			interrupts-extended = <&CPU0_intc 3
+				&CPU1_intc 3
+				&CPU2_intc 3
+				&CPU3_intc 3>;
 		};
 
 		plmt0@e6000000 {
 			compatible = "riscv,plmt0";
-			interrupts-extended = <&CPU0_intc 7 &CPU1_intc 7>;
+			interrupts-extended = <&CPU0_intc 7
+				&CPU1_intc 7
+				&CPU2_intc 7
+				&CPU3_intc 7>;
 			reg = <0xe6000000 0x100000>;
 		};
 	};
diff --git a/arch/riscv/dts/ae350_64.dts b/arch/riscv/dts/ae350_64.dts
index d8f00f8..c57efe3 100644
--- a/arch/riscv/dts/ae350_64.dts
+++ b/arch/riscv/dts/ae350_64.dts
@@ -62,6 +62,48 @@
 				compatible = "riscv,cpu-intc";
 			};
 		};
+		CPU2: cpu@2 {
+			device_type = "cpu";
+			reg = <2>;
+			status = "okay";
+			compatible = "riscv";
+			riscv,isa = "rv64imafdc";
+			riscv,priv-major = <1>;
+			riscv,priv-minor = <10>;
+			mmu-type = "riscv,sv39";
+			clock-frequency = <60000000>;
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <32>;
+			next-level-cache = <&L2>;
+			CPU2_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				interrupt-controller;
+				compatible = "riscv,cpu-intc";
+			};
+		};
+		CPU3: cpu@3 {
+			device_type = "cpu";
+			reg = <3>;
+			status = "okay";
+			compatible = "riscv";
+			riscv,isa = "rv64imafdc";
+			riscv,priv-major = <1>;
+			riscv,priv-minor = <10>;
+			mmu-type = "riscv,sv39";
+			clock-frequency = <60000000>;
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <32>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <32>;
+			next-level-cache = <&L2>;
+			CPU3_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				interrupt-controller;
+				compatible = "riscv,cpu-intc";
+			};
+		};
 	};
 
 	L2: l2-cache@e0500000 {
@@ -94,7 +136,10 @@
 			interrupt-controller;
 			reg = <0x0 0xe4000000 0x0 0x2000000>;
 			riscv,ndev=<71>;
-			interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9 &CPU1_intc 11 &CPU1_intc 9>;
+			interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9
+				&CPU1_intc 11 &CPU1_intc 9
+				&CPU2_intc 11 &CPU2_intc 9
+				&CPU3_intc 11 &CPU3_intc 9>;
 		};
 
 		plic1: interrupt-controller@e6400000 {
@@ -104,12 +149,18 @@
 			interrupt-controller;
 			reg = <0x0 0xe6400000 0x0 0x400000>;
 			riscv,ndev=<2>;
-			interrupts-extended = <&CPU0_intc 3 &CPU1_intc 3>;
+			interrupts-extended = <&CPU0_intc 3
+				&CPU1_intc 3
+				&CPU2_intc 3
+				&CPU3_intc 3>;
 		};
 
 		plmt0@e6000000 {
 			compatible = "riscv,plmt0";
-			interrupts-extended = <&CPU0_intc 7 &CPU1_intc 7>;
+			interrupts-extended = <&CPU0_intc 7
+				&CPU1_intc 7
+				&CPU2_intc 7
+				&CPU3_intc 7>;
 			reg = <0x0 0xe6000000 0x0 0x100000>;
 		};
 	};