/* * Device Tree overlay for ChipDip I2S master DAC */ /dts-v1/; /plugin/; / { compatible = "brcm,bcm2835"; fragment@0 { target = <&sound>; __overlay__ { compatible = "simple-audio-card"; simple-audio-card,name = "ChipDip I2S master DAC"; status="okay"; playback_link: simple-audio-card,dai-link@0 { format = "i2s"; bitclock-master = <&p_codec_dai>; frame-master = <&p_codec_dai>; p_cpu_dai: cpu { sound-dai = <&i2s>; dai-tdm-slot-num = <2>; dai-tdm-slot-width = <32>; }; p_codec_dai: codec { sound-dai = <&codec_out>; }; }; }; }; fragment@1 { target-path = "/"; __overlay__ { codec_out: spdif-transmitter { #address-cells = <0>; #size-cells = <0>; #sound-dai-cells = <0>; compatible = "linux,spdif-dit"; status = "okay"; }; }; }; fragment@2 { target = <&i2s>; __overlay__ { #sound-dai-cells = <0>; status = "okay"; }; }; };