Пример стандатрного dts:
sound-bt-sco {
compatible = "simple-audio-card";
simple-audio-card,name = "bt-sco-audio";
simple-audio-card,format = "dsp_a";
simple-audio-card,bitclock-inversion;
simple-audio-card,frame-master = <&btcpu>;
simple-audio-card,bitclock-master = <&btcpu>;
btcpu: simple-audio-card,cpu {
sound-dai = <&sai1>;
dai-tdm-slot-num = <2>;
dai-tdm-slot-width = <16>;
};
simple-audio-card,codec {
sound-dai = <&bt_sco_codec 1>;
};
};