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Message-ID: <20181116134141.17396-4-peter.ujfalusi@ti.com>
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.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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