dt-bindings: input: cypress,cyapa: convert to dtschema

Convert the Cypress All Points Addressable (APA) I2C Touchpad / Trackpad
bindings to DT schema.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230511102559.175088-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Author: krzk

Documentation/devicetree/bindings/input/cypress,cyapa.txt

@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/cypress,cyapa.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress All Points Addressable (APA) I2C Touchpad / Trackpad
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+properties:
+  compatible:
+    const: cypress,cyapa
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  wakeup-source: true
+
+  vcc-supply:
+    description: 3.3V power
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        trackpad@67 {
+            reg = <0x67>;
+            compatible = "cypress,cyapa";
+            interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+            interrupt-parent = <&gpx1>;
+            wakeup-source;
+        };
+    };