linux-kernel - [PATCH 2/7] dt-bindings: mchp,i2s-mcc: Add SAMA7G5 to binding

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Date:   Tue, 23 Feb 2021 20:19:24 +0200
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>
Subject: [PATCH 2/7] dt-bindings: mchp,i2s-mcc: Add SAMA7G5 to binding

SAMA7G5 includes an updated version of the I2S-MCC driver, that includes
3 more DIN/DOUT pin pairs for multi-channel.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
---
 Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml b/Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml
index 79445f5f2804..a8a73f3ed473 100644
--- a/Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml
+++ b/Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml
@@ -15,13 +15,18 @@ description:
   multi-channel audio codecs. It consists of a receiver, a transmitter and a
   common clock generator that can be enabled separately to provide Adapter,
   Client or Controller modes with receiver and/or transmitter active.
+  On later I2SMCC versions (starting with Microchip's SAMA7G5) I2S
+  multi-channel is supported by using multiple data pins, output and
+  input, without TDM.
 
 properties:
   "#sound-dai-cells":
     const: 0
 
   compatible:
-    const: microchip,sam9x60-i2smcc
+    enum:
+      - microchip,sam9x60-i2smcc
+      - microchip,sama7g5-i2smcc
 
   reg:
     maxItems: 1
-- 
2.27.0