/dts-v1/; #include "ls1b.dtsi" / { model = "Loongson Tech LS1B Demo Board"; compatible = "loongson,ls1b"; oscillator: oscillator { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <33000000>; }; memory@0 { device_type = "memory"; reg = <0x00000000 0x4000000>; }; }; &serial2 { status = "okay"; };