dt-bindings: input: qcom,pm8xxx-vib: convert to yaml

Convert the PM8xxx PMIC Vibrator bindings to dt-schema.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220917155705.2284-1-luca@z3ntu.xyzSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.txt

-Qualcomm PM8xxx PMIC Vibrator
-
-PROPERTIES
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be one of:
-		    "qcom,pm8058-vib"
-		    "qcom,pm8916-vib"
-		    "qcom,pm8921-vib"
-
-- reg:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: address of vibration control register
-
-EXAMPLE
-
-	vibrator@4a {
-		compatible = "qcom,pm8058-vib";
-		reg = <0x4a>;
-	};

Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/qcom,pm8xxx-vib.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm PM8xxx PMIC Vibrator
+
+maintainers:
+  - Bjorn Andersson <andersson@kernel.org>
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm8058-vib
+      - qcom,pm8916-vib
+      - qcom,pm8921-vib
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    pmic {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        vibrator@4a {
+            compatible = "qcom,pm8058-vib";
+            reg = <0x4a>;
+        };
+    };