linux-kernel - [PATCH V2 6/6] dt-bindings: pwm: sprd: Add sprd,mod attribute

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Message-ID: <20240125025533.10315-7-Wenhua.Lin@unisoc.com>
Date: Thu, 25 Jan 2024 10:55:33 +0800
From: Wenhua Lin <Wenhua.Lin@...soc.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Rob
 Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang
	<baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>, <linux-pwm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        wenhua lin <wenhua.lin1994@...il.com>,
        Wenhua
 Lin <Wenhua.Lin@...soc.com>,
        Xiongpeng Wu <xiongpeng.wu@...soc.com>,
        zhaochen
 su <zhaochen.su29@...il.com>,
        Zhaochen Su <Zhaochen.Su@...soc.com>,
        Xiaolong
 Wang <Xiaolong.Wang@...soc.com>
Subject: [PATCH V2 6/6] dt-bindings: pwm: sprd: Add sprd,mod attribute

Add sprd,mod attribute, which set the number of different
duty cycles that PWM's waveform could output, to dts.

Signed-off-by: Wenhua Lin <Wenhua.Lin@...soc.com>
---
 Documentation/devicetree/bindings/pwm/pwm-sprd.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml b/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
index 02e039fee3b4..7c956b840fa1 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
@@ -55,6 +55,16 @@ properties:
     minItems: 4
     maxItems: 4
 
+  sprd,mod:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 4
+    maxItems: 4
+    items:
+      minimum: 0xFF
+      maximum: 0xFFF
+    description: |
+      The number of different duty cycles that could be set for PWM's waveform output.
+
   "#pwm-cells":
     const: 2
 
@@ -63,6 +73,7 @@ required:
   - reg
   - clocks
   - clock-names
+  - sprd,mod
 
 additionalProperties: false
 
@@ -88,6 +99,7 @@ examples:
                                  <&ext_26m>,
                                  <&ext_26m>,
                                  <&ext_26m>;
+        sprd,mod = <0xFF 0x1FF 0x3FF 0xFFF>;
         #pwm-cells = <2>;
     };
 
-- 
2.17.1