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diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.yaml b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/pwm-beeper.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PWM beeper
+
+maintainers:
+  - Sascha Hauer <s.hauer@pengutronix.de>
+
+properties:
+  compatible:
+    const: pwm-beeper
+
+  pwms:
+    maxItems: 1
+
+  amp-supply:
+    description: an amplifier for the beeper
+
+  beeper-hz:
+    description: bell frequency in Hz
+    minimum: 10
+    maximum: 10000
+
+required:
+  - compatible
+  - pwms
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    beeper {
+        compatible = "pwm-beeper";
+        pwms = <&pwm0>;
+        amp-supply = <&beeper_amp>;
+        beeper-hz = <1000>;
+    };