Lots more pieces toward HID working again.

app/dts/behaviors/hid.dtsi

@@ -0,0 +1,9 @@
+/ {
+	behaviors {
+		hid_behavior: behavior_hid {
+			compatible = "zmk,behavior-hid";
+			label = "HID";
+			#binding-cells = <0>;
+		};
+	};
+};

app/dts/behaviors/keymap.dtsi

@@ -0,0 +1,9 @@
+/ {
+	behaviors {
+		keymap_behavior: behavior_keymap {
+			compatible = "zmk,behavior-keymap";
+			label = "KEYMAP";
+			#binding-cells = <0>;
+		};
+	};
+};

app/dts/bindings/behaviors/zmk,behavior-hid.yaml

@@ -0,0 +1,8 @@
+# Copyright (c) 2020, Pete Johanson
+# SPDX-License-Identifier: MIT
+
+description: HID Report Behavior
+
+compatible: "zmk,behavior-hid"
+
+include: zero_param.yaml

app/dts/bindings/behaviors/zmk,behavior-keymap.yaml

@@ -0,0 +1,8 @@
+# Copyright (c) 2020, Pete Johanson
+# SPDX-License-Identifier: MIT
+
+description: Keymap Behavior
+
+compatible: "zmk,behavior-keymap"
+
+include: zero_param.yaml

app/dts/bindings/zmk,global-bindings.yaml

@@ -0,0 +1,9 @@
+description: |
+  Specify the the global behaviors bound to state changes
+
+compatible: "zmk,global-bindings"
+
+properties:
+  bindings:
+    type: phandles
+    required: true