/dts-v1/;
/plugin/;
/ {
  compatible = "brcm,bcm2835";
  fragment@0 {
    target-path = "/";
    __overlay__ {
      status = "okay";
      counter {
        compatible = "hottis,counter";
        red-led-gpio = <&gpio 26 0>; 
        blue-led-gpio = <&gpio 21 0>; 
      };
    };
  };
};