[PATCH 2/9] ASoC: dt-bindings: stm32: i2s: add audio-graph-card port

[Olivier Moysan]

The STM2 I2S DAI can be connected via the audio-graph-card.
Add port entry into the bindings.

Signed-off-by: Olivier Moysan <olivier.moysan at foss.st.com>
---
 Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
index ae41fa80bdb7..52e3368d34dc 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
@@ -58,6 +58,11 @@ properties:
     description: Configure the I2S device as MCLK clock provider.
     const: 0
 
+patternProperties:
+  '^port@[0-9]':
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - "#sound-dai-cells"
-- 
2.17.1