/dts-v1/; #include "mt7621_ubnt_edgerouter-x.dtsi" / { model = "Ubiquiti EdgeRouter X SFP"; compatible = "ubnt,edgerouter-x-sfp", "mediatek,mt7621-soc"; }; &i2c { status = "okay"; pca9555@25 { compatible = "nxp,pca9555"; reg = <0x25>; }; };