From: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
Document DMA support in binding document.
Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
---
.../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
