linux-kernel - [PATCH v2 2/3] ASoC: dt-bindings: nuvoton,nau8825: Document routing strings

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Message-Id: <20250903160119.83625-3-jihed.chaibi.dev@gmail.com>
Date: Wed,  3 Sep 2025 18:01:18 +0200
From: Jihed Chaibi <jihed.chaibi.dev@...il.com>
To: linux-sound@...r.kernel.org,
	krzk+dt@...nel.org
Cc: lgirdwood@...il.com,
	broonie@...nel.org,
	robh@...nel.org,
	conor+dt@...nel.org,
	drake@...lessm.com,
	katsuhiro@...suster.net,
	matteomartelli3@...il.com,
	zhoubinbin@...ngson.cn,
	KCHSU0@...oton.com,
	patches@...nsource.cirrus.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	shuah@...nel.org,
	jihed.chaibi.dev@...il.com
Subject: [PATCH v2 2/3] ASoC: dt-bindings: nuvoton,nau8825: Document routing strings

Add a list of the nau8825 pin names to the binding's description to make
it self-contained and improve the user experience for board developers.

Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@...il.com>

---
Changes in v2:
 - Rephrased description to refer to device pins  instead of the
   driver.
---
 .../devicetree/bindings/sound/nuvoton,nau8825.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8825.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8825.yaml
index a54f194a0b4..4ebbcb4e605 100644
--- a/Documentation/devicetree/bindings/sound/nuvoton,nau8825.yaml
+++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8825.yaml
@@ -9,6 +9,20 @@ title: NAU8825 audio CODEC
 maintainers:
   - John Hsu <KCHSU0@...oton.com>
 
+description: |
+  NAU8825 audio CODEC
+
+  Pins on the device (for linking into audio routes):
+
+    Outputs:
+      * HPOL    : Headphone Left Output
+      * HPOR    : Headphone Right Output
+      * MICBIAS : Microphone Bias Output
+
+    Inputs:
+      * MICP    : Analog Microphone Positive Input
+      * MICN    : Analog Microphone Negative Input
+
 allOf:
   - $ref: dai-common.yaml#
 
-- 
2.39.5