Hello Biwen, > + /* Errata ID E-00013 on board LS2088ARDB and LS2088ARDB: > + * The point here is that you must not disable a mux if there > + * are no pullups on the input or you mess up the I2C. This > + * needs to be put into the DTS really as the kernel cannot > + * know this otherwise. > + */ Can you please explain what a "mess up" is? And also, should we put this new DTS property in related default bindings? If not, are you planning a documentation update for the users to notify them about this? -- Cengiz Can <cengiz@xxxxxxxxxx>