On Tue, Sep 10, 2013 at 9:40 PM, Kuninori Morimoto <kuninori.morimoto.gx at renesas.com> wrote: > + simple-audio,codec { > + sound-dai = <&ak4648>; > + bitclock-master; > + frame-master; > + system-clock-frequency = <11289600>; Wouldn't it be better to pass a real clock here instead?