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linux-7.2.3/arch/arm/boot/dts/intel/ixp/intel-ixp42x-actiontec-mi424wr-ac.dts

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+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the IXP425-based Actiontec MI424WR revision A and C
+ * Based on a board file from OpenWrt by Jose Vasconcellos.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x-actiontec-mi424wr.dtsi"
+
+/ {
+	model = "Actiontec MI424WR rev A/C";
+	compatible = "actiontec,mi424wr-ac", "intel,ixp42x";
+
+	/* Connect the switch to EthC */
+	spi {
+		ethernet-switch@0 {
+			ethernet-ports {
+				ethernet-port@4 {
+					ethernet = <&ethc>;
+				};
+			};
+		};
+	};
+
+	soc {
+		/* EthB used for WAN */
+		ethernet@c8009000 {
+			phy-handle = <&phy17>; // 17 on revision A-C
+
+			mdio {
+				phy17: ethernet-phy@17 {
+					/* WAN */
+					reg = <17>;
+				};
+			};
+		};
+
+		/* EthC used for LAN */
+		ethernet@c800a000 {
+			/* Fixed link to the CPU MII port on the KS8995 */
+			fixed-link {
+				speed = <100>;
+				full-duplex;
+			};
+		};
+	};
+};