dtbo examples

anavi-buttons.dts

/dts-v1/;
/plugin/;
/ {
   compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709", "brcm,bcm2710";

   fragment@0 {
      target-path = "/";
      __overlay__ {
         keypad: anavi-buttons {
            compatible = "gpio-keys";
            #address-cells = <1>;
            #size-cells = <0>;
            autorepeat;
            button@13 {
               label = "A";
               linux,code = <30>;
               gpios = <&gpio 13 1>;
            };
            button@19 {
               label = "B";
               linux,code = <48>;
               gpios = <&gpio 19 1>;
            };
            button@26 {
               label = "C";
               linux,code = <46>;
               gpios = <&gpio 26 1>;
            };
         };
      };
   };
};

anavi-smiley.dts

/dts-v1/;
/plugin/;
/ {
   compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709", "brcm,bcm2710";

   fragment@0 {
      target-path = "/";
      __overlay__ {
         keypad: anavi-smiley {
            compatible = "gpio-keys";
            autorepeat;
            button-26 {
               label = "A";
               linux,code = <30>;
               gpios = <&gpio 26 1>;
            };
         };
      };
   };
}