apps/blinky/boards/esp32_devkitc_esp32_procpu.overlay raw
 1/ {
 2	aliases {
 3		led0 = &led0;
 4	};
 5
 6	leds {
 7		compatible = "gpio-leds";
 8		led0: led_0 {
 9			gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
10			label = "Onboard LED";
11		};
12	};
13};