zephyr/boards/arduino/nano_matter/arduino_nano_matter.dts

/*
 * Copyright (c) 2025 Pete Johanson
 * Copyright (c) 2025 Silicon Laboratories Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <silabs/xg24/mgm240sd22vna.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <zephyr/dt-bindings/pwm/pwm.h>
#include "arduino_nano_matter-pinctrl.dtsi"
#include "arduino_nano_matter_connector.dtsi"

/ {
	model = "Arduino Nano Matter";
	compatible = "arduino,arduino_nano_matter", "silabs,mgm240sd22vna";

	chosen {
		zephyr,bt-hci = &bt_hci_silabs;
		zephyr,code-partition = &slot0_partition;
		zephyr,console = &usart0;
		zephyr,flash = &flash0;
		zephyr,shell-uart = &usart0;
		zephyr,sram = &sram0;
		zephyr,uart-pipe = &usart0;
	};

	/* These aliases are provided for compatibility with samples */
	aliases {
		led0 = &led0;
		led1 = &led1;
		led2 = &led2;
		pwm-led0 = &red_pwm_led;
		pwm-led1 = &green_pwm_led;
		pwm-led2 = &blue_pwm_led;
		sw0 = &button0;
		watchdog0 = &wdog0;
	};

	leds {
		compatible = "gpio-leds";

		led0: led_0 {
			gpios = <&gpioc 1 GPIO_ACTIVE_LOW>;
			label = "LED 0";
		};

		led1: led_1 {
			gpios = <&gpioc 2 GPIO_ACTIVE_LOW>;
			label = "LED 1";
		};

		led2: led_2 {
			gpios = <&gpioc 3 GPIO_ACTIVE_LOW>;
			label = "LED 2";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		red_pwm_led: pwm_led_0 {
			pwms = <&timer0_pwm 0 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
			label = "red";
		};

		green_pwm_led: pwm_led_1 {
			pwms = <&timer0_pwm 1 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
			label = "green";
		};

		blue_pwm_led: pwm_led_2 {
			pwms = <&timer0_pwm 2 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
			label = "blue";
		};
	};

	buttons {
		compatible = "gpio-keys";

		button0: button_0 {
			gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};
};

&timer0 {
	status = "okay";

	timer0_pwm: pwm {
		pinctrl-0 = <&timer0_default>;
		pinctrl-names = "default";
		status = "okay";
	};
};

&cpu0 {
	clock-frequency = <78000000>;
};

&pstate_em3 {
	status = "disabled";
};

&hfxo {
	ctune = <95>;
	precision = <50>;
	status = "okay";
};

&lfxo {
	ctune = <44>;
	precision = <50>;
	status = "okay";
};

&hfrcodpll {
	clock-frequency = <DT_FREQ_M(78)>;
	clocks = <&hfxo>;
	dpll-autorecover;
	dpll-edge = "fall";
	dpll-lock = "phase";
	dpll-m = <1919>;
	dpll-n = <3839>;
};

&em23grpaclk {
	clocks = <&lfxo>;
};

&em4grpaclk {
	clocks = <&lfxo>;
};

&sysrtcclk {
	clocks = <&lfxo>;
};

&wdog0clk {
	clocks = <&lfxo>;
};

&wdog1clk {
	clocks = <&lfxo>;
};

&usart0 {
	current-speed = <115200>;
	pinctrl-0 = <&usart0_default>;
	pinctrl-names = "default";
	status = "okay";
};

&eusart0 {
	compatible = "silabs,eusart-uart";
	current-speed = <115200>;
	pinctrl-0 = <&eusart0_default>;
	pinctrl-names = "default";
};

&eusart1 {
	compatible = "silabs,eusart-spi";
	#address-cells = <1>;
	#size-cells = <0>;
	clock-frequency = <4000000>;
	cs-gpios = <&gpioc 7 GPIO_ACTIVE_LOW>;
	pinctrl-0 = <&eusart1_default>;
	pinctrl-names = "default";
};

&i2c0 {
	pinctrl-0 = <&i2c0_default>;
	pinctrl-names = "default";
};

&gpio {
	location-swo = <0>;
	status = "okay";
};

&gpioa {
	status = "okay";
};

&gpiob {
	status = "okay";
};

&gpioc {
	status = "okay";
};

&gpiod {
	status = "okay";
};

&wdog0 {
	status = "okay";
};

&sysrtc0 {
	status = "okay";
};

&se {
	status = "okay";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Reserve 48 kB for the bootloader */
		boot_partition: partition@0 {
			reg = <0x0 DT_SIZE_K(48)>;
			label = "mcuboot";
			read-only;
		};

		/* Reserve 736 kB for the application in slot 0 */
		slot0_partition: partition@c000 {
			reg = <0x0000c000 0x000B8000>;
			label = "image-0";
		};

		/* Reserve 736 kB for the application in slot 1 */
		slot1_partition: partition@C4000 {
			reg = <0x000C4000 0x000B8000>;
			label = "image-1";
		};

		/* Set 16 kB of storage at the end of the 1536 kB of flash */
		storage_partition: partition@17c000 {
			reg = <0x0017c000 DT_SIZE_K(16)>;
			label = "storage";
		};
	};
};

&bt_hci_silabs {
	status = "okay";
};