diff --git a/arch/arm64/boot/dts/rockchip/rk3366-tb.dts b/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
index c95f59237d22..2b582d09d887 100644
--- a/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
@@ -654,6 +654,10 @@
 	status = "okay";
 };
 
+&iep_mmu {
+	status = "okay";
+};
+
 &vpu_mmu {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/rockchip/rk3366.dtsi b/arch/arm64/boot/dts/rockchip/rk3366.dtsi
index c454211bf0f5..91a8d390e074 100644
--- a/arch/arm64/boot/dts/rockchip/rk3366.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3366.dtsi
@@ -747,6 +747,15 @@
 		status = "disabled";
 	};
 
+	iep_mmu: iep-mmu {
+		dbgname = "iep";
+		compatible = "rockchip,iep_mmu";
+		reg = <0x0 0xff900800 0x0 0x100>;
+		interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "iep_mmu";
+		status = "disabled";
+	};
+
 	vpu_mmu: vpu_mmu {
 		dbgname = "vpu";
 		compatible = "rockchip,vpu_mmu";