dt-bindings: input: add adi,max16150.yaml

Add documentation for device tree bindings for MAX16150/MAX16169

Signed-off-by: Marc Paolo Sosa <marcpaolo.sosa@analog.com>

Author: mrcsosa

Documentation/devicetree/bindings/input/adi,max16150.yaml

@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/adi,max16150.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX16150/MAX16169 nanoPower Pushbutton On/Off Controller
+
+maintainers:
+  - Marc Paolo Sosa <marcpaolo.sosa@analog.com>
+
+description: |
+  The MAX16150/MAX16169 is a low-power pushbutton on/off controller with a switch
+  debouncer and built-in latch. It accepts a noisy input from a mechanical switch
+  and produces a clean latched output, as well as a one-shot interrupt output.
+
+properties:
+  compatible:
+    description: |
+      Specifies the supported device variants. The MAX16150 and MAX16169 are supported.
+    enum:
+      - adi,max16150
+      - adi,max16169
+
+  interrupts:
+    maxItems: 1
+
+  linux,code: true
+
+required:
+  - compatible
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/input/linux-event-codes.h>
+
+    power-button {
+        compatible = "adi,max16150";
+        interrupt-parent = <&gpio>;
+        interrupts = <17 IRQ_TYPE_EDGE_BOTH>;
+        linux,code = <KEY_POWER>;
+    };