diff --git a/arch/arm64/boot/dts/rockchip/rk1808.dtsi b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
index 0a437bff6b7b..816c0fd1a0a2 100644
--- a/arch/arm64/boot/dts/rockchip/rk1808.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk1808.dtsi
@@ -190,6 +190,41 @@
 		nvmem-cell-names = "id", "cpu-version";
 	};
 
+	bus_soc: bus-soc {
+		compatible = "rockchip,rk1808-bus";
+		rockchip,busfreq-policy = "autocs";
+		soc-bus0 {
+			bus-id = <0>;
+			timer-us = <20>;
+			enable-msk = <0x4077>;
+			status = "okay";
+		};
+		soc-bus1 {
+			bus-id = <1>;
+			timer-us = <200>;
+			enable-msk = <0x41ff>;
+			status = "okay";
+		};
+		soc-bus2 {
+			bus-id = <2>;
+			timer-us = <200>;
+			enable-msk = <0x4007>;
+			status = "okay";
+		};
+		soc-bus3 {
+			bus-id = <3>;
+			timer-us = <200>;
+			enable-msk = <0x4001>;
+			status = "okay";
+		};
+		soc-bus4 {
+			bus-id = <4>;
+			timer-us = <200>;
+			enable-msk = <0x4001>;
+			status = "okay";
+		};
+	};
+
 	gmac_clkin: external-gmac-clock {
 		compatible = "fixed-clock";
 		clock-frequency = <125000000>;