/dts-v1/; /plugin/; / { compatible = "allwinner,sun5i-a13"; fragment@0 { target-path = "/aliases"; __overlay__ { uart0 = "/soc@1c00000/serial@1c28000"; }; }; fragment@1 { target = <&pio>; __overlay__ { uart0_pa_pins: uart0@0 { pins = "PF2", "PF4"; function = "uart0"; }; }; }; fragment@2 { target = <&uart0>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart0_pa_pins>; status = "okay"; }; }; };