// Definitions for w1-gpio module (without external pullup) /dts-v1/; /plugin/; / { compatible = "brcm,bcm2835"; fragment@0 { target-path = "/"; __overlay__ { w1: onewire@0 { compatible = "w1-gpio"; pinctrl-names = "default"; pinctrl-0 = <&w1_pins>; gpios = <&gpio 4 0>; status = "okay"; }; }; }; fragment@1 { target = <&gpio>; __overlay__ { w1_pins: w1_pins@0 { brcm,pins = <4>; brcm,function = <0>; // in (initially) brcm,pull = <0>; // off }; }; }; __overrides__ { gpiopin = <&w1>,"gpios:4", <&w1>,"reg:0", <&w1_pins>,"brcm,pins:0", <&w1_pins>,"reg:0"; pullup; // Silently ignore unneeded parameter }; };