diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
index 53d1d4d8197a..d6770d3d488b 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi
@@ -815,6 +815,7 @@ avb0: ethernet@e6800000 {
 			phy-mode = "rgmii";
 			rx-internal-delay-ps = <0>;
 			tx-internal-delay-ps = <0>;
+			iommus = <&ipmmu_hc 0>;
 			status = "disabled";
 		};
 
@@ -860,6 +861,7 @@ avb1: ethernet@e6810000 {
 			phy-mode = "rgmii";
 			rx-internal-delay-ps = <0>;
 			tx-internal-delay-ps = <0>;
+			iommus = <&ipmmu_hc 1>;
 			status = "disabled";
 		};
 
@@ -905,6 +907,7 @@ avb2: ethernet@e6820000 {
 			phy-mode = "rgmii";
 			rx-internal-delay-ps = <0>;
 			tx-internal-delay-ps = <0>;
+			iommus = <&ipmmu_hc 2>;
 			status = "disabled";
 		};
 
@@ -1987,6 +1990,7 @@ fcpvd0: fcp@fea10000 {
 			clocks = <&cpg CPG_MOD 508>;
 			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
 			resets = <&cpg 508>;
+			iommus = <&ipmmu_vi1 6>;
 		};
 
 		fcpvd1: fcp@fea11000 {
@@ -1995,6 +1999,7 @@ fcpvd1: fcp@fea11000 {
 			clocks = <&cpg CPG_MOD 509>;
 			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
 			resets = <&cpg 509>;
+			iommus = <&ipmmu_vi1 7>;
 		};
 
 		vspd0: vsp@fea20000 {