// Definitions for i2s-output /dts-v1/; /plugin/; / { compatible = "radxa,rockpis", "rockchip,rk3308"; fragment@0 { target = <&i2s_8ch_0>; __overlay__ { #sound-dai-cells = <0>; rockchip,clk-trm = <1>; status = "okay"; }; }; fragment@1 { target = <&i2s_8ch_2>; __overlay__ { #sound-dai-cells = <0>; status = "disabled"; }; }; fragment@2 { target-path = "/"; __overlay__ { codec: i2s-out { #sound-dai-cells = <0>; compatible = "maxim,max98357a"; status = "okay"; }; sound_i2s { simple-audio-card,name = "DAC"; compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; status = "okay"; cpu_dai: simple-audio-card,cpu { sound-dai = <&i2s_8ch_0>; }; codec_dai: simple-audio-card,codec { sound-dai = <&codec>; }; }; }; }; };