dt-bindings: input: convert zii,rave-sp-pwrbutton.txt to yaml

Convert device tree binding doc zii,rave-sp-pwrbutton.txt to yaml format.
Additional changes:
- add ref to input.yaml.
- remove mfd node in example.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241010-zii_yaml-v2-1-0ab730607422@nxp.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

2 files changed, 36 insertions, 22 deletions

diff --git a/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt
deleted file mode 100644
index 43ef770dfeb9..000000000000
--- a/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Zodiac Inflight Innovations RAVE Supervisory Processor Power Button Bindings
-
-RAVE SP input device is a "MFD cell" device corresponding to power
-button functionality of RAVE Supervisory Processor. It is expected
-that its Device Tree node is specified as a child of the node
-corresponding to the parent RAVE SP device (as documented in
-Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)
-
-Required properties:
-
-- compatible: Should be "zii,rave-sp-pwrbutton"
-
-Example:
-
-	rave-sp {
-		compatible = "zii,rave-sp-rdu1";
-		current-speed = <38400>;
-
-		pwrbutton {
-			compatible = "zii,rave-sp-pwrbutton";
-		};
-	}
diff --git a/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.yaml b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.yaml
new file mode 100644
index 000000000000..b26e6fe174f2
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/zii,rave-sp-pwrbutton.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Zodiac Inflight Innovations RAVE Supervisory Processor Power Button
+
+maintainers:
+  - Frank Li <Frank.li@nxp.com>
+
+description:
+  RAVE SP input device is a "MFD cell" device corresponding to power
+  button functionality of RAVE Supervisory Processor. It is expected
+  that its Device Tree node is specified as a child of the node
+  corresponding to the parent RAVE SP device (as documented in
+  Documentation/devicetree/bindings/mfd/zii,rave-sp.yaml)
+
+properties:
+  compatible:
+    const: zii,rave-sp-pwrbutton
+
+required:
+  - compatible
+
+allOf:
+  - $ref: input.yaml
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    pwrbutton {
+        compatible = "zii,rave-sp-pwrbutton";
+    };
+