linux-kernel - [PATCH V2] dt-bindings: input: pwm-beeper: convert to dt schema

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Message-Id: <20230403090640.3237060-1-peng.fan@oss.nxp.com>
Date:   Mon,  3 Apr 2023 17:06:40 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     dmitry.torokhov@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, s.hauer@...gutronix.de
Cc:     linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH V2] dt-bindings: input: pwm-beeper: convert to dt schema

From: Peng Fan <peng.fan@....com>

Convert the binding doc to dt schema, and also fixed the
example from fixed-regulator to regulator-fixed.

Signed-off-by: Peng Fan <peng.fan@....com>
---

V2:
 License update
 Don't need to show providers
 Make example complete
 Decrease beeper hz
 Misc update

 .../devicetree/bindings/input/pwm-beeper.txt  | 24 -----------
 .../devicetree/bindings/input/pwm-beeper.yaml | 42 +++++++++++++++++++
 2 files changed, 42 insertions(+), 24 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/pwm-beeper.txt
 create mode 100644 Documentation/devicetree/bindings/input/pwm-beeper.yaml

diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.txt b/Documentation/devicetree/bindings/input/pwm-beeper.txt
deleted file mode 100644
index 8fc0e48c20db..000000000000
--- a/Documentation/devicetree/bindings/input/pwm-beeper.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-* PWM beeper device tree bindings
-
-Registers a PWM device as beeper.
-
-Required properties:
-- compatible: should be "pwm-beeper"
-- pwms: phandle to the physical PWM device
-
-Optional properties:
-- amp-supply: phandle to a regulator that acts as an amplifier for the beeper
-- beeper-hz:  bell frequency in Hz
-
-Example:
-
-beeper_amp: amplifier {
-	compatible = "fixed-regulator";
-	gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
-};
-
-beeper {
-	compatible = "pwm-beeper";
-	pwms = <&pwm0>;
-	amp-supply = <&beeper_amp>;
-};
diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.yaml b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
new file mode 100644
index 000000000000..a3797f338f46
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
@@ -0,0 +1,42 @@
+# 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@...gutronix.de>
+
+properties:
+  compatible:
+    const: pwm-beeper
+
+  pwms:
+    description: Phandle to the physical PWM device
+    maxItems: 1
+
+  amp-supply:
+    description: Phandle to a regulator that acts as an amplifier for the beeper
+
+  beeper-hz:
+    description: bell frequency in Hz
+    minimum: 1
+    maximum: 4
+
+required:
+  - compatible
+  - pwms
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    beeper {
+        compatible = "pwm-beeper";
+        pwms = <&pwm0>;
+        amp-supply = <&beeper_amp>;
+        beeper-hz = <1>;
+    };
-- 
2.37.1