sound {
                compatible = "simple-audio-card";
                simple-audio-card,format = "i2s";

                simple-audio-card,dai-link@1 {
                        format = "i2s";
                        cpu {
                                sound-dai = <&i2s>;
                        };

                        codec {
                                sound-dai = <&hdmi>;
                        };
                };
        };