boards: nxp: imx943_evk: support NETC ENETC for M33

Supported NETC for M33.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

boards/nxp/imx943_evk/doc/index.rst

@@ -62,6 +62,13 @@ Serial Port
 This board configuration uses a single serial communication channel with the
 CPU's UART1 for Cortex-A55, and UART8 for Cortex-M33.
 
+Ethernet
+--------
+
+NETC driver supports to manage the Physical Station Interface (PSI).
+The ENET0, ENETC1, ENETC2 ports could be enabled for M33 by west build option
+``-DEXTRA_DTC_OVERLAY_FILE=enetc.overlay``.
+
 Programming and Debugging (A55)
 *******************************
 

boards/nxp/imx943_evk/dts/enetc.overlay

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&emdio {
+	status = "okay";
+
+	phy2: phy@5 {
+		status = "okay";
+	};
+
+	phy3: phy@6 {
+		status = "okay";
+	};
+
+	phy4: phy@7 {
+		status = "okay";
+	};
+};
+
+&enetc_psi0 {
+	status = "okay";
+};
+
+&enetc_psi1 {
+	status = "okay";
+};
+
+&enetc_psi2 {
+	status = "okay";
+};

boards/nxp/imx943_evk/imx943_evk_mimx94398_m33.dts

@@ -23,6 +23,66 @@
 	};
 };
 
+&emdio {
+	pinctrl-0 = <&emdio_default>;
+	pinctrl-names = "default";
+	status = "disabled";
+
+	phy0: phy@f {
+		compatible = "ethernet-phy";
+		reg = <0xf>;
+		status = "disabled";
+	};
+
+	phy1: phy@10 {
+		compatible = "ethernet-phy";
+		reg = <0x10>;
+		status = "disabled";
+	};
+
+	phy2: phy@5 {
+		compatible = "realtek,rtl8211f";
+		reg = <0x5>;
+		status = "disabled";
+	};
+
+	phy3: phy@6 {
+		compatible = "realtek,rtl8211f";
+		reg = <0x6>;
+		status = "disabled";
+	};
+
+	phy4: phy@7 {
+		compatible = "realtek,rtl8211f";
+		reg = <0x7>;
+		status = "disabled";
+	};
+};
+
+&enetc_psi0 {
+	pinctrl-0 = <&eth2_default>;
+	pinctrl-names = "default";
+	phy-handle = <&phy2>;
+	phy-connection-type = "rgmii";
+	status = "disabled";
+};
+
+&enetc_psi1 {
+	pinctrl-0 = <&eth3_default>;
+	pinctrl-names = "default";
+	phy-handle = <&phy3>;
+	phy-connection-type = "rgmii";
+	status = "disabled";
+};
+
+&enetc_psi2 {
+	pinctrl-0 = <&eth4_default>;
+	pinctrl-names = "default";
+	phy-handle = <&phy4>;
+	phy-connection-type = "rgmii";
+	status = "disabled";
+};
+
 &lpuart8 {
 	status = "okay";
 	current-speed = <115200>;

boards/nxp/imx943_evk/imx943_evk_mimx94398_m33.yaml

@@ -15,4 +15,5 @@ toolchain:
   - gnuarmemb
 supported:
   - uart
+  - netif:eth
 vendor: nxp

boards/nxp/imx943_evk/imx943_evk_mimx94398_m33_ddr.yaml

@@ -14,4 +14,5 @@ toolchain:
   - gnuarmemb
 supported:
   - uart
+  - netif:eth
 vendor: nxp