arm64: dts: airoha: en7581: Add ethernet nodes to EN7581 SoC evaluation board

Introduce ethernet controller nodes to EN7581 SoC and EN7581 evaluation
board.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20250520-en7581-net-v1-1-5317f8e829ad@kernel.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Author: LorenzoBianconi

arch/arm64/boot/dts/airoha/en7581-evb.dts

@@ -98,3 +98,11 @@
 &i2c0 {
 	status = "okay";
 };
+
+&eth {
+	status = "okay";
+};
+
+&gdm1 {
+	status = "okay";
+};

arch/arm64/boot/dts/airoha/en7581.dtsi

@@ -346,5 +346,54 @@
 
 			status = "disabled";
 		};
+
+		eth: ethernet@1fb50000 {
+			compatible = "airoha,en7581-eth";
+			reg = <0 0x1fb50000 0 0x2600>,
+			      <0 0x1fb54000 0 0x2000>,
+			      <0 0x1fb56000 0 0x2000>;
+			reg-names = "fe", "qdma0", "qdma1";
+
+			resets = <&scuclk EN7581_FE_RST>,
+				 <&scuclk EN7581_FE_PDMA_RST>,
+				 <&scuclk EN7581_FE_QDMA_RST>,
+				 <&scuclk EN7581_XSI_MAC_RST>,
+				 <&scuclk EN7581_DUAL_HSI0_MAC_RST>,
+				 <&scuclk EN7581_DUAL_HSI1_MAC_RST>,
+				 <&scuclk EN7581_HSI_MAC_RST>,
+				 <&scuclk EN7581_XFP_MAC_RST>;
+			reset-names = "fe", "pdma", "qdma",
+				      "xsi-mac", "hsi0-mac", "hsi1-mac",
+				      "hsi-mac", "xfp-mac";
+
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+
+			status = "disabled";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			gdm1: ethernet@1 {
+				compatible = "airoha,eth-mac";
+				reg = <1>;
+				phy-mode = "internal";
+				status = "disabled";
+
+				fixed-link {
+					speed = <10000>;
+					full-duplex;
+					pause;
+				};
+			};
+		};
 	};
 };