/dts-v1/; /plugin/; /{ compatible = "brcm,bcm2711"; fragment@0 { target = <&uart4>; __overlay__ { pinctrl-names = "default"; pinctrl-0 = <&uart4_pins>; status = "okay"; }; }; fragment@1 { target = <&uart4_pins>; __dormant__ { brcm,pins = <8 9 10 11>; brcm,pull = <0 2 2 0>; }; }; __overrides__ { ctsrts = <0>,"=1"; }; };