diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index da7212e21fdf..ba9ff192cda3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/clock/mt8183-clk.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/memory/mt8183-larb-port.h>
 #include <dt-bindings/power/mt8183-power.h>
 #include <dt-bindings/reset-controller/mt8183-resets.h>
 #include <dt-bindings/phy/phy.h>
@@ -521,6 +522,15 @@ systimer: timer@10017000 {
 			clock-names = "clk13m";
 		};
 
+		iommu: iommu@10205000 {
+			compatible = "mediatek,mt8183-m4u";
+			reg = <0 0x10205000 0 0x1000>;
+			interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_LOW>;
+			mediatek,larbs = <&larb0 &larb1 &larb2 &larb3
+					  &larb4 &larb5 &larb6>;
+			#iommu-cells = <1>;
+		};
+
 		gce: mailbox@10238000 {
 			compatible = "mediatek,mt8183-gce";
 			reg = <0 0x10238000 0 0x4000>;
@@ -968,6 +978,16 @@ dsi0: dsi@14014000 {
 			phy-names = "dphy";
 		};
 
+		larb0: larb@14017000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x14017000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&mmsys CLK_MM_SMI_LARB0>,
+				 <&mmsys CLK_MM_SMI_LARB0>;
+			power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+			clock-names = "apb", "smi";
+		};
+
 		smi_common: smi@14019000 {
 			compatible = "mediatek,mt8183-smi-common", "syscon";
 			reg = <0 0x14019000 0 0x1000>;
@@ -984,18 +1004,57 @@ imgsys: syscon@15020000 {
 			#clock-cells = <1>;
 		};
 
+		larb5: larb@15021000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x15021000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&imgsys CLK_IMG_LARB5>, <&imgsys CLK_IMG_LARB5>,
+				 <&mmsys CLK_MM_GALS_IMG2MM>;
+			clock-names = "apb", "smi", "gals";
+			power-domains = <&spm MT8183_POWER_DOMAIN_ISP>;
+		};
+
+		larb2: larb@1502f000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x1502f000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&imgsys CLK_IMG_LARB2>, <&imgsys CLK_IMG_LARB2>,
+				 <&mmsys CLK_MM_GALS_IPU2MM>;
+			clock-names = "apb", "smi", "gals";
+			power-domains = <&spm MT8183_POWER_DOMAIN_ISP>;
+		};
+
 		vdecsys: syscon@16000000 {
 			compatible = "mediatek,mt8183-vdecsys", "syscon";
 			reg = <0 0x16000000 0 0x1000>;
 			#clock-cells = <1>;
 		};
 
+		larb1: larb@16010000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x16010000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&vdecsys CLK_VDEC_VDEC>, <&vdecsys CLK_VDEC_LARB1>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8183_POWER_DOMAIN_VDEC>;
+		};
+
 		vencsys: syscon@17000000 {
 			compatible = "mediatek,mt8183-vencsys", "syscon";
 			reg = <0 0x17000000 0 0x1000>;
 			#clock-cells = <1>;
 		};
 
+		larb4: larb@17010000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x17010000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&vencsys CLK_VENC_LARB>,
+				 <&vencsys CLK_VENC_LARB>;
+			clock-names = "apb", "smi";
+			power-domains = <&spm MT8183_POWER_DOMAIN_VENC>;
+		};
+
 		ipu_conn: syscon@19000000 {
 			compatible = "mediatek,mt8183-ipu_conn", "syscon";
 			reg = <0 0x19000000 0 0x1000>;
@@ -1025,5 +1084,25 @@ camsys: syscon@1a000000 {
 			reg = <0 0x1a000000 0 0x1000>;
 			#clock-cells = <1>;
 		};
+
+		larb6: larb@1a001000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x1a001000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&camsys CLK_CAM_LARB6>, <&camsys CLK_CAM_LARB6>,
+				 <&mmsys CLK_MM_GALS_CAM2MM>;
+			clock-names = "apb", "smi", "gals";
+			power-domains = <&spm MT8183_POWER_DOMAIN_CAM>;
+		};
+
+		larb3: larb@1a002000 {
+			compatible = "mediatek,mt8183-smi-larb";
+			reg = <0 0x1a002000 0 0x1000>;
+			mediatek,smi = <&smi_common>;
+			clocks = <&camsys CLK_CAM_LARB3>, <&camsys CLK_CAM_LARB3>,
+				 <&mmsys CLK_MM_GALS_IPU12MM>;
+			clock-names = "apb", "smi", "gals";
+			power-domains = <&spm MT8183_POWER_DOMAIN_CAM>;
+		};
 	};
 };
