diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index 518d2bc7c7fca3e2ba1363c835c561c8e81c6cb4..8d7303ad52735e8cb1bf405f192f3b45ba807f40 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -125,6 +125,14 @@
 				pinctrl: pinctrl {
 					compatible = "aspeed,g4-pinctrl";
 				};
+
+			};
+
+			rng: hwrng@78 {
+				compatible = "timeriomem_rng";
+				reg = <0x78 0x4>;
+				period = <1>;
+				quality = <100>;
 			};
 
 			adc: adc@1e6e9000 {
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index f9917717dd088faa33227177ceca19d822ae632f..c4a20d590e47de05a4805724bc0a7778a79e97b6 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -164,6 +164,13 @@
 				};
 			};
 
+			rng: hwrng@78 {
+				compatible = "timeriomem_rng";
+				reg = <0x78 0x4>;
+				period = <1>;
+				quality = <100>;
+			};
+
 			gfx: display@1e6e6000 {
 				compatible = "aspeed,ast2500-gfx", "syscon";
 				reg = <0x1e6e6000 0x1000>;