Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/intel/ixp/intel-ixp43x.dtsi b/src/arm/intel/ixp/intel-ixp43x.dtsi
new file mode 100644
index 0000000..60bf990
--- /dev/null
+++ b/src/arm/intel/ixp/intel-ixp43x.dtsi
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Intel XScale Network Processors
+ * in the IXP 43x series. This series has 64 interrupts and adds a few more
+ * peripherals over the 42x series.
+ */
+#include "intel-ixp4xx.dtsi"
+
+/ {
+	soc {
+		bus@c4000000 {
+			compatible = "intel,ixp43x-expansion-bus-controller", "syscon";
+			/* Uses at least up to 0x230 */
+			reg = <0xc4000000 0x1000>;
+		};
+
+		pci@c0000000 {
+			compatible = "intel,ixp43x-pci";
+		};
+
+		interrupt-controller@c8003000 {
+			compatible = "intel,ixp43x-interrupt";
+		};
+	};
+};