linux-kernel - [PATCH v8 1/2] dt-bindings: pwm: sophgo: add pwm for Sophgo CV1800 series SoC

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Message-Id: <20250509-pwm_sophgo-v8-1-cfaebeb8ee17@bootlin.com>
Date: Fri, 09 May 2025 11:45:43 +0200
From: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
To: Uwe Kleine-König <ukleinek@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen Wang <unicorn_wang@...look.com>, 
 Inochi Amaoto <inochiama@...il.com>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Miquèl Raynal <miquel.raynal@...tlin.com>, 
 linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
 sophgo@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Jingbao Qiu <qiujingbao.dlmu@...il.com>, 
 Thomas Bonnefille <thomas.bonnefille@...tlin.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v8 1/2] dt-bindings: pwm: sophgo: add pwm for Sophgo CV1800
 series SoC

From: Jingbao Qiu <qiujingbao.dlmu@...il.com>

Add devicetree binding to describe the PWM for Sophgo CV1800 SoC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@...il.com>
---
 .../devicetree/bindings/pwm/sophgo,cv1800-pwm.yaml | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/sophgo,cv1800-pwm.yaml b/Documentation/devicetree/bindings/pwm/sophgo,cv1800-pwm.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..b5b819d780f10163631ec14a20bfaa5ea46fe868
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/sophgo,cv1800-pwm.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/sophgo,cv1800-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV1800 PWM controller
+
+maintainers:
+  - Jingbao Qiu <qiujingbao.dlmu@...il.com>
+
+description:
+  The chip provides a set of four independent PWM channel outputs.
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    const: sophgo,cv1800-pwm
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 3
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    pwm0: pwm@...0000 {
+        compatible = "sophgo,cv1800-pwm";
+        reg = <0x3060000 0x1000>;
+        clocks = <&clk 60>;
+        #pwm-cells = <3>;
+    };

-- 
2.49.0