diff --git a/arch/arm/dts/r8a77990.dtsi b/arch/arm/dts/r8a77990.dtsi
index 593d35a..ae89260 100644
--- a/arch/arm/dts/r8a77990.dtsi
+++ b/arch/arm/dts/r8a77990.dtsi
@@ -18,16 +18,24 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		/* 1 core only at this point */
 		a53_0: cpu@0 {
 			compatible = "arm,cortex-a53", "arm,armv8";
-			reg = <0x0>;
+			reg = <0>;
 			device_type = "cpu";
 			power-domains = <&sysc 5>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
 		};
 
+		a53_1: cpu@1 {
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <1>;
+			device_type = "cpu";
+			power-domains = <&sysc 6>;
+			next-level-cache = <&L2_CA53>;
+			enable-method = "psci";
+		};
+
 		L2_CA53: cache-controller-0 {
 			compatible = "cache";
 			power-domains = <&sysc 21>;
@@ -45,8 +53,9 @@
 
 	pmu_a53 {
 		compatible = "arm,cortex-a53-pmu";
-		interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-affinity = <&a53_0>;
+		interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+				      <&gic GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&a53_0>, <&a53_1>;
 	};
 
 	psci {
@@ -61,6 +70,16 @@
 		#size-cells = <2>;
 		ranges;
 
+		rwdt: watchdog@e6020000 {
+			compatible = "renesas,r8a77990-wdt",
+				     "renesas,rcar-gen3-wdt";
+			reg = <0 0xe6020000 0 0x0c>;
+			clocks = <&cpg CPG_MOD 402>;
+			power-domains = <&sysc 32>;
+			resets = <&cpg 402>;
+			status = "disabled";
+		};
+
 		gpio0: gpio@e6050000 {
 			compatible = "renesas,gpio-r8a77990",
 				     "renesas,rcar-gen3-gpio";
@@ -166,43 +185,6 @@
 			resets = <&cpg 906>;
 		};
 
-		ohci0: usb@ee080000 {
-			compatible = "generic-ohci";
-			reg = <0 0xee080000 0 0x100>;
-			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&cpg CPG_MOD 703>;
-			phys = <&usb2_phy0>;
-			phy-names = "usb";
-			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
-			resets = <&cpg 703>;
-			status = "disabled";
-		};
-
-		ehci0: usb@ee080100 {
-			compatible = "generic-ehci";
-			reg = <0 0xee080100 0 0x100>;
-			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&cpg CPG_MOD 703>;
-			phys = <&usb2_phy0>;
-			phy-names = "usb";
-			companion = <&ohci0>;
-			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
-			resets = <&cpg 703>;
-			status = "disabled";
-		};
-
-		usb2_phy0: usb-phy@ee080200 {
-			compatible = "renesas,usb2-phy-r8a7790",
-				     "renesas,rcar-gen3-usb2-phy";
-			reg = <0 0xee080200 0 0x700>;
-			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&cpg CPG_MOD 703>;
-			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
-			resets = <&cpg 703>;
-			#phy-cells = <0>;
-			status = "disabled";
-		};
-
 		pfc: pin-controller@e6060000 {
 			compatible = "renesas,pfc-r8a77990";
 			reg = <0 0xe6060000 0 0x508>;
@@ -229,10 +211,91 @@
 			#power-domain-cells = <1>;
 		};
 
+		ipmmu_ds0: mmu@e6740000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe6740000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 0>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_ds1: mmu@e7740000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe7740000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 1>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_hc: mmu@e6570000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe6570000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 2>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_mm: mmu@e67b0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xe67b0000 0 0x1000>;
+			interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_mp: mmu@ec670000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xec670000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 4>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_pv0: mmu@fd800000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfd800000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 6>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_rt: mmu@ffc80000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xffc80000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 10>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vc0: mmu@fe6b0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfe6b0000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 12>;
+			power-domains = <&sysc R8A77990_PD_A3VC>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vi0: mmu@febd0000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfebd0000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 14>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
+		ipmmu_vp0: mmu@fe990000 {
+			compatible = "renesas,ipmmu-r8a77990";
+			reg = <0 0xfe990000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 16>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			#iommu-cells = <1>;
+		};
+
 		avb: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a77990",
 				     "renesas,etheravb-rcar-gen3";
-			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
+			reg = <0 0xe6800000 0 0x800>;
 			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
@@ -286,6 +349,54 @@
 			status = "disabled";
 		};
 
+		xhci0: usb@ee000000 {
+			compatible = "renesas,xhci-r8a77990",
+				     "renesas,rcar-gen3-xhci";
+			reg = <0 0xee000000 0 0xc00>;
+			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 328>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			resets = <&cpg 328>;
+			status = "disabled";
+		};
+
+		ohci0: usb@ee080000 {
+			compatible = "generic-ohci";
+			reg = <0 0xee080000 0 0x100>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			phys = <&usb2_phy0>;
+			phy-names = "usb";
+			power-domains = <&sysc 32>;
+			resets = <&cpg 703>;
+			status = "disabled";
+		};
+
+		ehci0: usb@ee080100 {
+			compatible = "generic-ehci";
+			reg = <0 0xee080100 0 0x100>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			phys = <&usb2_phy0>;
+			phy-names = "usb";
+			companion = <&ohci0>;
+			power-domains = <&sysc 32>;
+			resets = <&cpg 703>;
+			status = "disabled";
+		};
+
+		usb2_phy0: usb-phy@ee080200 {
+			compatible = "renesas,usb2-phy-r8a77990",
+				     "renesas,rcar-gen3-usb2-phy";
+			reg = <0 0xee080200 0 0x700>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			power-domains = <&sysc 32>;
+			resets = <&cpg 703>;
+			#phy-cells = <0>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@f1010000 {
 			compatible = "arm,gic-400";
 			#interrupt-cells = <3>;
@@ -296,7 +407,7 @@
 			      <0x0 0xf1040000 0 0x20000>,
 			      <0x0 0xf1060000 0 0x20000>;
 			interrupts = <GIC_PPI 9
-					(GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
+					(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
 			clocks = <&cpg CPG_MOD 408>;
 			clock-names = "clk";
 			power-domains = <&sysc 32>;
@@ -311,9 +422,9 @@
 
 	timer {
 		compatible = "arm,armv8-timer";
-		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
-				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
 	};
 };