/ {
    aliases {
        testuart = &test_uart;
    };

    test_uart: test_uart {
        compatible = "uart-interrupt-poll-bridge";
        uart = <&uart20>;
        counter = <&timer00>;
        interrupts = <1 2>; 
        interrupt-parent = <&nvic>;
        status = "okay";
    };
};

&timer00 {
    status = "okay";
};