dht11.dts

    // Definitions for dht11 module
    /dts-v1/;
    /plugin/;

    / {
            compatible = "brcm,bcm2708";

            fragment@0 {
                    target-path = "/";
                    __overlay__ {

                            dht11: dht11@0 {
                                    compatible = "dht11";
                                    pinctrl-names = "default";
                                    pinctrl-0 = <&dht11_pins>;
                                    gpios = <&gpio 4 0>;
                                    status = "okay";
                            };
                    };
            };

            fragment@1 {
                    target = <&gpio>;
                    __overlay__ {
                            dht11_pins: dht11_pins {
                                    brcm,pins = <4>;
                                    brcm,function = <0>; // in
                                    brcm,pull = <0>; // off
                            };
                    };
            };

            __overrides__ {
                    gpiopin =       <&dht11_pins>,"brcm,pins:0",
                                    <&dht11>,"gpios:4";
            };
    };