diff --git a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
index 7b13496ba3ca..afba5f04c8ec 100644
--- a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
@@ -155,6 +155,15 @@ iso: syscon@7000 {
 				ranges = <0x0 0x7000 0x1000>;
 			};
 
+			sb2: syscon@1a000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1a000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1a000 0x1000>;
+			};
+
 			misc: syscon@1b000 {
 				compatible = "syscon", "simple-mfd";
 				reg = <0x1b000 0x1000>;
@@ -163,6 +172,15 @@ misc: syscon@1b000 {
 				#size-cells = <1>;
 				ranges = <0x0 0x1b000 0x1000>;
 			};
+
+			scpu_wrapper: syscon@1d000 {
+				compatible = "syscon", "simple-mfd";
+				reg = <0x1d000 0x1000>;
+				reg-io-width = <4>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1d000 0x1000>;
+			};
 		};
 
 		gic: interrupt-controller@ff100000 {