boards/arc/em_starterkit/board.dtsi

/* SPDX-License-Identifier: Apache-2.0 */

/ {
	aliases {
		led0 = &led0;
		led1 = &led1;
		led2 = &led2;
		led3 = &led3;
		led4 = &led4;
		led5 = &led5;
		led6 = &led6;
		led7 = &led7;
		led8 = &led8;
		sw0 = &button0;
		sw1 = &button1;
		sw2 = &button2;
	};

	leds {
		compatible = "gpio-leds";
		led0: led_0 {
			gpios = <&gpio1 0 0>;
			label = "LED 0";
		};
		led1: led_1 {
			gpios = <&gpio1 1 0>;
			label = "LED 1";
		};
		led2: led_2 {
			gpios = <&gpio1 2 0>;
			label = "LED 2";
		};
		led3: led_3 {
			gpios = <&gpio1 3 0>;
			label = "LED 3";
		};
		led4: led_4 {
			gpios = <&gpio1 4 0>;
			label = "LED 4";
		};
		led5: led_5 {
			gpios = <&gpio1 5 0>;
			label = "LED 1";
		};
		led6: led_6 {
			gpios = <&gpio1 6 0>;
			label = "LED 2";
		};
		led7: led_7 {
			gpios = <&gpio1 7 0>;
			label = "LED 3";
		};
		led8: led_8 {
			gpios = <&gpio1 8 0>;
			label = "LED 4";
		};

	};

	buttons {
		compatible = "gpio-keys";
		button0: button_0 {
			/* gpio flags need validation */
			gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
			label = "Push button switch 0";
		};
		button1: button_1 {
			/* gpio flags need validation */
			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
			label = "Push button switch 1";
		};
		button2: button_2 {
			/* gpio flags need validation */
			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
			label = "Push button switch 2";
		};
		switch0: switch_0 {
			/* gpio flags need validation */
			gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
			label = "DIP SW1 - Switch 1";
		};
		switch1: switch_1 {
			/* gpio flags need validation */
			gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
			label = "DIP SW1 - Switch 2";
		};
		switch2: switch_2 {
			/* gpio flags need validation */
			gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
			label = "DIP SW1 - Switch 3";
		};
		switch3: switch_3 {
			/* gpio flags need validation */
			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
			label = "DIP SW1 - Switch 4";
		};
	};

};