linux-kernel - [PATCH v5 27/39] ASoC: dt-bindings: ep93xx: Document DMA support

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Message-Id: <20231122-ep93xx-v5-27-d59a76d5df29@maquefel.me>
Date:   Wed, 22 Nov 2023 12:00:05 +0300
From:   Nikita Shubin via B4 Relay 
        <devnull+nikita.shubin.maquefel.me@...nel.org>
To:     Hartley Sweeten <hsweeten@...ionengravers.com>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-sound@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexander Sverdlin <alexander.sverdlin@...il.com>
Subject: [PATCH v5 27/39] ASoC: dt-bindings: ep93xx: Document DMA support

From: Nikita Shubin <nikita.shubin@...uefel.me>

Document DMA support in binding document.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 .../devicetree/bindings/sound/cirrus,ep9301-i2s.yaml         | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml
index 453d493c941f..36a320ddf534 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,ep9301-i2s.yaml
@@ -40,6 +40,16 @@ properties:
       - const: sclk
       - const: lrclk
 
+  dmas:
+    items:
+      - description: out DMA channel
+      - description: in DMA channel
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
 required:
   - compatible
   - '#sound-dai-cells'
@@ -61,6 +71,8 @@ examples:
                  <&syscon 30>,
                  <&syscon 31>;
         clock-names = "mclk", "sclk", "lrclk";
+        dmas = <&dma0 0 1>, <&dma0 0 2>;
+        dma-names = "tx", "rx";
     };
 
 ...

-- 
2.41.0