/dts-v1/; /plugin/; / { compatible = "allwinner,sun4i-a10"; fragment@0 { target-path = "/aliases"; __overlay__ { serial4 = "/soc@1c00000/serial@1c29000"; }; }; fragment@1 { target = <&pio>; __overlay__ { uart4_pins_a: uart4@0 { pins = "PG10", "PG11"; function = "uart4"; }; uart4_pins_b: uart4@1 { pins = "PH4", "PH5"; function = "uart4"; }; }; }; fragment@2 { target = <&uart4>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart4_pins_a>; status = "okay"; }; }; };