/dts-v1/; /plugin/; / { compatible = "brcm,bcm2711"; fragment@0 { target = <&audio_pins>; __overlay__ { status = "okay"; }; }; fragment@1 { target = <&audio_pins>; __overlay__ { brcm,pins = < 12 13 >; brcm,function = < 4 >; /* alt0 alt0 */ }; }; };