diff mbox series

[v2,1/3] ASoC: dt-bindings: stm32: document audio of graph port for i2s

Message ID 20230606115605.1633595-2-olivier.moysan@foss.st.com
State Accepted
Commit 401ec2b8878f34b6baf64fba3e29411c246b785c
Headers show
Series ASoC: stm32: fix dtbs_check warnings | expand

Commit Message

Olivier Moysan June 6, 2023, 11:56 a.m. UTC
When linking the STM32 I2S to another DAI component, according
to audio graph cards bindings, an OF graph port property is expected
in the node. Document the port property.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
---
 .../devicetree/bindings/sound/st,stm32-i2s.yaml       | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
index a040d4d31412..b9111d375b93 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
@@ -61,6 +61,10 @@  properties:
     description: Configure the I2S device as MCLK clock provider.
     const: 0
 
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - "#sound-dai-cells"
@@ -89,6 +93,13 @@  examples:
         dma-names = "rx", "tx";
         pinctrl-names = "default";
         pinctrl-0 = <&i2s2_pins_a>;
+
+        /* assume audio-graph */
+        port {
+            codec_endpoint: endpoint {
+                remote-endpoint = <&codec_endpoint>;
+            };
+        };
     };
 
 ...