linux-kernel - [PATCH 1/3] dt-bindings: sound: Document wm8994 endpoints

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Message-ID: <BN6PR04MB066019A8783D22F1C4A588B7A39F0@BN6PR04MB0660.namprd04.prod.outlook.com>
Date:   Sun, 14 Jun 2020 13:24:09 -0700
From:   Jonathan Bakker <xc-racer2@...e.ca>
To:     krzk@...nel.org, sbkim73@...sung.com, s.nawrocki@...sung.com,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org
Cc:     Jonathan Bakker <xc-racer2@...e.ca>
Subject: [PATCH 1/3] dt-bindings: sound: Document wm8994 endpoints

The wm8994 exposes several inputs and outputs that can be used by
machine drivers in their routing.  Add them to the documention so
they don't have been duplicated in any machine drivers bindings.

Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
---
 .../devicetree/bindings/sound/wm8994.txt      | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/wm8994.txt b/Documentation/devicetree/bindings/sound/wm8994.txt
index 367b58ce1bb9..8fa947509c10 100644
--- a/Documentation/devicetree/bindings/sound/wm8994.txt
+++ b/Documentation/devicetree/bindings/sound/wm8994.txt
@@ -68,6 +68,29 @@ Optional properties:
   - wlf,csnaddr-pd : If present enable the internal pull-down resistor on
     the CS/ADDR pin.
 
+Pins on the device (for linking into audio routes):
+
+  * IN1LN
+  * IN1LP
+  * IN2LN
+  * IN2LP:VXRN
+  * IN1RN
+  * IN1RP
+  * IN2RN
+  * IN2RP:VXRP
+  * SPKOUTLP
+  * SPKOUTLN
+  * SPKOUTRP
+  * SPKOUTRN
+  * HPOUT1L
+  * HPOUT1R
+  * HPOUT2P
+  * HPOUT2N
+  * LINEOUT1P
+  * LINEOUT1N
+  * LINEOUT2P
+  * LINEOUT2N
+
 Example:
 
 wm8994: codec@1a {
-- 
2.20.1