[PATCH] ASoC: dt-bindings: everest,es8389: Document audio graph port

[Diederik de Haas]

Provide an endpoint for binding with the other side of the audio link,
which is achieved via the 'port' property.

Signed-off-by: Diederik de Haas <diederik@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/everest,es8389.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/everest,es8389.yaml b/Documentation/devicetree/bindings/sound/everest,es8389.yaml
index 75ce0bc48904..7db84cf11386 100644
--- a/Documentation/devicetree/bindings/sound/everest,es8389.yaml
+++ b/Documentation/devicetree/bindings/sound/everest,es8389.yaml
@@ -27,6 +27,10 @@ properties:
     items:
       - const: mclk
 
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
   "#sound-dai-cells":
     const: 0
 
-- 
2.53.0