/dts-v1/; /plugin/; / { compatible = "allwinner,sun4i-a10"; fragment@0 { target-path = "/aliases"; __overlay__ { serial7 = "/soc@1c00000/serial@1c29c00"; }; }; fragment@1 { target = <&pio>; __overlay__ { uart7_pins_a: uart7@0 { pins = "PI20", "PI21"; function = "uart7"; }; }; }; fragment@2 { target = <&uart7>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart7_pins_a>; status = "okay"; }; }; };