linux-kernel - [PATCH 3/4] bindings: sound: davinci-mcasp: Document dismod optional property

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Date:   Fri, 16 Nov 2018 15:41:40 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>
CC:     <alsa-devel@...a-project.org>, <misael.lopez@...com>,
        <jsarha@...com>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/4] bindings: sound: davinci-mcasp: Document dismod optional property

The dismod property can be used to specify the drive on level of inactive
TX slots.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 .../devicetree/bindings/sound/davinci-mcasp-audio.txt        | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
index 46bc9829c71a..b279b6072bd5 100644
--- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
+++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
@@ -30,6 +30,11 @@ Optional properties:
 - ti,hwmods : Must be "mcasp<n>", n is controller instance starting 0
 - tx-num-evt : FIFO levels.
 - rx-num-evt : FIFO levels.
+- dismod : Specify the drive on TX pin during inactive slots
+	0 : 3-state
+	2 : logic low
+	3 : logic high
+	Defaults to 'logic low' when the property is not present
 - sram-size-playback : size of sram to be allocated during playback
 - sram-size-capture  : size of sram to be allocated during capture
 - interrupts : Interrupt numbers for McASP
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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