/dts-v1/; /plugin/; / { compatible = "brcm,bcm2835"; fragment@0 { target = <&gpio>; __overlay__ { amp_enable: amp_enable { brcm,pins = <17>; brcm,function = <1>; brcm,pull = <1>; }; }; }; fragment@1 { target-path = "/"; __overlay__ { vcc30: fixedregulator@...