/ { uart0: uart { status = "okay"; compatible = "zephyr,native-tty-uart"; current-speed = <115200>; serial-port = "/dev/ttyUSB0"; }; uart2: uart2 { status = "okay"; compatible = "zephyr,native-tty-uart"; current-speed = <115200>; serial-port = "/dev/ttyUSB1"; }; };