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@xxxxxxxxxxx>
---
.../devicetree/bindings/sound/st,stm32-i2s.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
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>;
+ };
+ };
};
...
--
2.25.1
