boards: frdm_mcxa266, frdm_mcxa346: create common dtsi for soc and board

1. nxp_mcxa266_a346_a366_common.dtsi created for soc dts
2. frdm_mcxa266_a346_a366_common.dtsi.dtsi created for board dts

Signed-off-by: Peter Wang <[email protected]>

Author: peterwangsz

boards/nxp/common/frdm_mcxa266_a346_a366_common.dtsi

@@ -0,0 +1,220 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+
+/ {
+	compatible = "nxp,mcx";
+
+	aliases {
+		led0 = &red_led;
+		led1 = &green_led;
+		led2 = &blue_led;
+		sw0 = &user_button_2;
+		sw1 = &user_button_3;
+		watchdog0 = &wwdt0;
+		die-temp0 = &temp0;
+	};
+
+	chosen {
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash;
+		zephyr,flash-controller = &fmu;
+		zephyr,code-partition = &slot0_partition;
+		zephyr,console = &lpuart2;
+		zephyr,shell-uart = &lpuart2;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		red_led: led_0 {
+			gpios = <&gpio3 18 GPIO_ACTIVE_LOW>;
+			label = "Red LED";
+		};
+
+		green_led: led_1 {
+			gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
+			label = "Green LED";
+		};
+
+		blue_led: led_2 {
+			gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
+			label = "Blue LED";
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		user_button_2: button_2 {
+			label = "User SW2";
+			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+			zephyr,code = <INPUT_KEY_0>;
+		};
+
+		user_button_3: button_3 {
+			label = "User SW3";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+			zephyr,code = <INPUT_KEY_1>;
+		};
+	};
+};
+
+/* Port configurations */
+&porta {
+	status = "okay";
+};
+
+&portb {
+	status = "okay";
+};
+
+&portc {
+	status = "okay";
+};
+
+&portd {
+	status = "okay";
+};
+
+&porte {
+	status = "okay";
+};
+
+/* GPIO configurations */
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&gpio4 {
+	status = "okay";
+};
+
+/* UART configuration */
+&lpuart2 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&pinmux_lpuart2>;
+	pinctrl-names = "default";
+};
+
+&lpuart3 {
+	current-speed = <115200>;
+	pinctrl-0 = <&pinmux_lpuart3>;
+	pinctrl-names = "default";
+};
+
+/* DMA configuration */
+&edma0 {
+	status = "okay";
+};
+
+/* ADC configuration */
+&lpadc0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpadc0>;
+	pinctrl-names = "default";
+};
+
+&lpadc1 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpadc1>;
+	pinctrl-names = "default";
+};
+
+/* Comparator configuration */
+&lpcmp0 {
+	pinctrl-0 = <&pinmux_lpcmp0>;
+	pinctrl-names = "default";
+};
+
+/* I2C configurations */
+&lpi2c1 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpi2c1>;
+	pinctrl-names = "default";
+};
+
+&lpi2c3 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpi2c3>;
+	pinctrl-names = "default";
+};
+
+/* SPI configuration */
+&lpspi0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpspi0>;
+	pinctrl-names = "default";
+};
+
+/* Flash partitions */
+&flash {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 DT_SIZE_K(64)>;
+			read-only;
+		};
+
+		slot0_partition: partition@10000 {
+			label = "image-0";
+			reg = <0x00010000 DT_SIZE_K(400)>;
+		};
+
+		slot1_partition: partition@74000 {
+			label = "image-1";
+			reg = <0x00074000 DT_SIZE_K(400)>;
+		};
+
+		storage_partition: partition@d8000 {
+			label = "storage";
+			reg = <0x000d8000 DT_SIZE_K(112)>;
+		};
+	};
+};
+
+/* Watchdog configuration */
+&wwdt0 {
+	status = "okay";
+};
+
+/* OPAMP configuration */
+&opamp0 {
+	pinctrl-0 = <&pinmux_opamp0>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&opamp1 {
+	status = "okay";
+};
+
+/* Timer configurations */
+&ctimer0 {
+	status = "okay";
+};
+
+&lptmr0 {
+	status = "okay";
+};