diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts
index e0f6775b9878..33a80f9501dc 100644
--- a/arch/arm64/boot/dts/apple/t8103-j274.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j274.dts
@@ -17,6 +17,7 @@
 
 	aliases {
 		serial0 = &serial0;
+		ethernet0 = &ethernet0;
 	};
 
 	chosen {
@@ -43,3 +44,25 @@
 &serial0 {
 	status = "okay";
 };
+
+/*
+ * Force the bus number assignments so that we can declare some of the
+ * on-board devices and properties that are populated by the bootloader
+ * (such as MAC addresses).
+ */
+&port00 {
+	bus-range = <1 1>;
+};
+
+&port01 {
+	bus-range = <2 2>;
+};
+
+&port02 {
+	bus-range = <3 3>;
+	ethernet0: pci@0,0 {
+		reg = <0x30000 0x0 0x0 0x0 0x0>;
+		/* To be filled by the loader */
+		local-mac-address = [00 10 18 00 00 00];
+	};
+};
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index a1e22a2ea2e5..fc8b2bb06ffe 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -9,6 +9,7 @@
 
 #include <dt-bindings/interrupt-controller/apple-aic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/apple.h>
 
 / {
 	compatible = "apple,t8103", "apple,arm-platform";
@@ -131,5 +132,211 @@
 			interrupt-controller;
 			reg = <0x2 0x3b100000 0x0 0x8000>;
 		};
+
+		pinctrl_ap: pinctrl@23c100000 {
+			compatible = "apple,t8103-pinctrl", "apple,pinctrl";
+			reg = <0x2 0x3c100000 0x0 0x100000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pinctrl_ap 0 0 212>;
+			apple,npins = <212>;
+
+			interrupt-controller;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 190 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 191 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 192 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 193 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 194 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 195 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 196 IRQ_TYPE_LEVEL_HIGH>;
+
+			pcie_pins: pcie-pins {
+				pinmux = <APPLE_PINMUX(150, 1)>,
+					 <APPLE_PINMUX(151, 1)>,
+					 <APPLE_PINMUX(32, 1)>;
+			};
+		};
+
+		pinctrl_aop: pinctrl@24a820000 {
+			compatible = "apple,t8103-pinctrl", "apple,pinctrl";
+			reg = <0x2 0x4a820000 0x0 0x4000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pinctrl_aop 0 0 42>;
+			apple,npins = <42>;
+
+			interrupt-controller;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 268 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 269 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 270 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 271 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 272 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 273 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 274 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pinctrl_nub: pinctrl@23d1f0000 {
+			compatible = "apple,t8103-pinctrl", "apple,pinctrl";
+			reg = <0x2 0x3d1f0000 0x0 0x4000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pinctrl_nub 0 0 23>;
+			apple,npins = <23>;
+
+			interrupt-controller;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 330 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 331 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 332 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 333 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 334 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 335 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 336 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pinctrl_smc: pinctrl@23e820000 {
+			compatible = "apple,t8103-pinctrl", "apple,pinctrl";
+			reg = <0x2 0x3e820000 0x0 0x4000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pinctrl_smc 0 0 16>;
+			apple,npins = <16>;
+
+			interrupt-controller;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 391 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 392 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 393 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 394 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 395 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 396 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 397 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pcie0_dart_0: dart@681008000 {
+			compatible = "apple,t8103-dart";
+			reg = <0x6 0x81008000 0x0 0x4000>;
+			#iommu-cells = <1>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 696 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pcie0_dart_1: dart@682008000 {
+			compatible = "apple,t8103-dart";
+			reg = <0x6 0x82008000 0x0 0x4000>;
+			#iommu-cells = <1>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 699 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pcie0_dart_2: dart@683008000 {
+			compatible = "apple,t8103-dart";
+			reg = <0x6 0x83008000 0x0 0x4000>;
+			#iommu-cells = <1>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 702 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		pcie0: pcie@690000000 {
+			compatible = "apple,t8103-pcie", "apple,pcie";
+			device_type = "pci";
+
+			reg = <0x6 0x90000000 0x0 0x1000000>,
+			      <0x6 0x80000000 0x0 0x100000>,
+			      <0x6 0x81000000 0x0 0x4000>,
+			      <0x6 0x82000000 0x0 0x4000>,
+			      <0x6 0x83000000 0x0 0x4000>;
+			reg-names = "config", "rc", "port0", "port1", "port2";
+
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 695 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 698 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 701 IRQ_TYPE_LEVEL_HIGH>;
+
+			msi-controller;
+			msi-parent = <&pcie0>;
+			msi-ranges = <&aic AIC_IRQ 704 IRQ_TYPE_EDGE_RISING 32>;
+
+
+			iommu-map = <0x100 &pcie0_dart_0 1 1>,
+				    <0x200 &pcie0_dart_1 1 1>,
+				    <0x300 &pcie0_dart_2 1 1>;
+			iommu-map-mask = <0xff00>;
+
+			bus-range = <0 3>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x43000000 0x6 0xa0000000 0x6 0xa0000000 0x0 0x20000000>,
+				 <0x02000000 0x0 0xc0000000 0x6 0xc0000000 0x0 0x40000000>;
+
+			pinctrl-0 = <&pcie_pins>;
+			pinctrl-names = "default";
+
+			port00: pci@0,0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				reset-gpios = <&pinctrl_ap 152 0>;
+				max-link-speed = <2>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port00 0 0 0 0>,
+						<0 0 0 2 &port00 0 0 0 1>,
+						<0 0 0 3 &port00 0 0 0 2>,
+						<0 0 0 4 &port00 0 0 0 3>;
+			};
+
+			port01: pci@1,0 {
+				device_type = "pci";
+				reg = <0x800 0x0 0x0 0x0 0x0>;
+				reset-gpios = <&pinctrl_ap 153 0>;
+				max-link-speed = <2>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port01 0 0 0 0>,
+						<0 0 0 2 &port01 0 0 0 1>,
+						<0 0 0 3 &port01 0 0 0 2>,
+						<0 0 0 4 &port01 0 0 0 3>;
+			};
+
+			port02: pci@2,0 {
+				device_type = "pci";
+				reg = <0x1000 0x0 0x0 0x0 0x0>;
+				reset-gpios = <&pinctrl_ap 33 0>;
+				max-link-speed = <1>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				interrupt-map-mask = <0 0 0 7>;
+				interrupt-map = <0 0 0 1 &port02 0 0 0 0>,
+						<0 0 0 2 &port02 0 0 0 1>,
+						<0 0 0 3 &port02 0 0 0 2>,
+						<0 0 0 4 &port02 0 0 0 3>;
+			};
+		};
 	};
 };