src/platform/telink/tlsr9518adk80d_usb_boot.overlay

/ {
	leds {
		/delete-node/ led_0;

		led_blue: led_0 {
			gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
			label = "LED Blue";
		};
	};

	keys {
		/delete-node/ button_dfu;

		key_dfu: button_dfu {
			label = "USB DFU";
			gpios = <&gpiob 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		};
	};
};

&uart0 {
	pinctrl-0 = <&uart0_tx_pa3_default &uart0_rx_pa4_default>;
};