[PATCH v2 10/15] ASoC: dt-bindings: rockchip: i2s: Document property for playback/capture

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This patch documents property for playback-only and capture-only.

Signed-off-by: Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx>
---

Changes in v2: None

 Documentation/devicetree/bindings/sound/rockchip-i2s.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
index 9f9cc48..005b6e6 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -81,6 +81,16 @@ properties:
     description:
       Max playback channels, if not set, 8 channels default.
 
+  rockchip,capture-only:
+    type: boolean
+    description:
+      Specify that the controller has capture only capability.
+
+  rockchip,playback-only:
+    type: boolean
+    description:
+      Specify that the controller has playback only capability.
+
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
-- 
2.7.4






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