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/dts-v1/; #include "mt7621_ubiquiti_edgerouterx.dtsi" / { model = "UBNT-ERX-SFP"; compatible = "ubiquiti,edgerouterx-sfp", "mediatek,mt7621-soc"; }; &i2c { status = "okay"; pca9555@25 { compatible = "nxp,pca9555"; reg = <0x25>; }; };