&sound { /* spdif */ simple-audio-card,dai-link@1 { reg = <1>; format = "left_j"; bitclock-master = <&sndcpu1>; frame-master = <&sndcpu1>; sndcpu1: cpu { sound-dai = <&spdif0>; }; codec { sound-dai = <&spdif_transmitter>; }; }; };