/dts-v1/; /plugin/; / { compatible = "allwinner,sun50i-a64"; fragment@0 { target-path = "/aliases"; __overlay__ { serial3 = "/soc/serial@1c28c00"; }; }; fragment@1 { target = <&pio>; __overlay__ { uart3_pins: uart3-pins { pins = "PD0", "PD1"; function = "uart3"; }; }; }; fragment@2 { target = <&uart3>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart3_pins>; status = "okay"; }; }; };