linux-kernel - [PATCH 1/6] dt-bindings: pwm: add dt-bindings for mule pwm-over-i2c controller

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Date: Wed, 29 May 2024 12:10:30 +0200
From: Farouk Bouabid <farouk.bouabid@...rry.de>
To: Uwe Kleine-König <ukleinek@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Quentin Schulz <quentin.schulz@...rry.de>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, 
 Farouk Bouabid <farouk.bouabid@...rry.de>
Subject: [PATCH 1/6] dt-bindings: pwm: add dt-bindings for mule
 pwm-over-i2c controller

Mule is a device that controls a PWM output signal based on I2C commands.

Signed-off-by: Farouk Bouabid <farouk.bouabid@...rry.de>
---
 .../devicetree/bindings/pwm/tsd,pwm-mule.yaml      | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml
new file mode 100644
index 000000000000..71a940a2a644
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/tsd,pwm-mule.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mule PWM-over-I2C controller
+
+description: |
+  A device that outputs a PWM signal based on I2C commands.
+
+maintainers:
+  - Farouk Bouabid <farouk.bouabid@...rry.de>
+  - Quentin Schulz <quentin.schulz@...rry.de>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    const: tsd,pwm-mule
+
+  reg:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      pwm@18 {
+        compatible = "tsd,pwm-mule";
+        reg = <0x18>;
+        #pwm-cells = <2>;
+      };
+    };

-- 
2.34.1