From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Cc: <lgirdwood@gmail.com>, <broonie@kernel.org>, <robh+dt@kernel.org>,
<perex@perex.cz>, <tiwai@suse.com>, <nicolas.ferre@microchip.com>,
<alexandre.belloni@bootlin.com>,
<ludovic.desroches@microchip.com>,
"Codrin Ciubotariu" <codrin.ciubotariu@microchip.com>
Subject: [PATCH v2 4/7] dt-bindings: mchp,i2s-mcc: Add property to specify pin pair for TDM
Date: Mon, 1 Mar 2021 19:09:02 +0200 [thread overview]
Message-ID: <20210301170905.835091-5-codrin.ciubotariu@microchip.com> (raw)
In-Reply-To: <20210301170905.835091-1-codrin.ciubotariu@microchip.com>
SAMA7G5's I2S-MCC has 4 pairs of DIN/DOUT pins. Since TDM only uses a
single pair of pins for synchronous capture and playback, the controller
needs to be told which of the pair is connected. This can be mentioned
using the new "microchip,tdm-data-pair" property. The property is optional,
needed only if TDM is used, and if it's missing DIN/DOUT 0 pins will be
used by default.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---
Changes in v2:
- changes are done to mchp-i2s-mcc.txt insted of mchp,i2s-mcc.yaml
Documentation/devicetree/bindings/sound/mchp-i2s-mcc.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/sound/mchp-i2s-mcc.txt b/Documentation/devicetree/bindings/sound/mchp-i2s-mcc.txt
index 2180dbd9ea81..af8fe3e657df 100644
--- a/Documentation/devicetree/bindings/sound/mchp-i2s-mcc.txt
+++ b/Documentation/devicetree/bindings/sound/mchp-i2s-mcc.txt
@@ -19,7 +19,12 @@ Required properties:
Optional properties:
- pinctrl-0: Should specify pin control groups used for this controller.
- princtrl-names: Should contain only one value - "default".
-
+- microchip,tdm-data-pair: 8 bit value that represents the DIN/DOUT pair pins
+ which are used to receive/send TDM data. It is optional
+ and it is only needed if the controller uses the TDM
+ mode. Not available for "microchip,sam9x60-i2smcc"
+ compatible. If it's not present, the default value is 0,
+ so the DIN/DOUT 0 pins are used.
(1) : Only the peripheral clock is required. The generated clock is optional
and should be set mostly when Master Mode is required.
--
2.27.0
next prev parent reply other threads:[~2021-03-01 21:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 17:08 [PATCH v2 0/7] Add I2S-MCC support for Microchip's SAMA7G5 Codrin Ciubotariu
2021-03-01 17:08 ` [PATCH v2 1/7] dt-bindings: mchp,i2s-mcc: Add SAMA7G5 to binding Codrin Ciubotariu
2021-03-01 17:09 ` [PATCH v2 2/7] ASoC: mchp-i2s-mcc: Add compatible for SAMA7G5 Codrin Ciubotariu
2021-03-01 17:09 ` [PATCH v2 3/7] ASoC: mchp-i2s-mcc: Add multi-channel support for I2S and LEFT_J formats Codrin Ciubotariu
2021-03-01 17:09 ` Codrin Ciubotariu [this message]
2021-03-01 17:09 ` [PATCH v2 5/7] ASoC: mchp-i2s-mcc: Add support to select TDM pins Codrin Ciubotariu
2021-03-01 17:09 ` [PATCH v2 6/7] ASoC: mchp-i2s-mcc: Add FIFOs support Codrin Ciubotariu
2021-03-01 17:09 ` [PATCH v2 7/7] ASoC: convert Microchip I2SMCC binding to yaml Codrin Ciubotariu
2021-03-08 18:28 ` Rob Herring
2021-03-04 0:54 ` (subset) [PATCH v2 0/7] Add I2S-MCC support for Microchip's SAMA7G5 Mark Brown
2021-03-09 19:06 ` Mark Brown
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