// Definitions for w1-gpio module (without external pullup) /dts-v1/; /plugin/; / { compatible = "rockchip,rk3399"; fragment@0 { target-path = "/"; __overlay__ { w1: onewire@0 { compatible = "w1-gpio"; pinctrl-names = "default"; gpios = <&gpio1 4 0 0xae>; // GPIO1_A4 status = "okay"; }; }; }; };