/dts-v1/; /plugin/; / { compatible = "allwinner,sun7i-a20"; fragment@0 { target-path = "/aliases"; __overlay__ { serial2 = "/soc@1c00000/serial@1c28800"; }; }; fragment@1 { target = <&pio>; __overlay__ { uart2_pins_a_2: uart2@1 { pins = "PI18", "PI19"; function = "uart2"; }; }; }; fragment@2 { target = <&uart2>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart2_pins_a_2>; status = "okay"; }; }; };