The Rockchip I2S controller is currently used in conjunction with
audio-graph-card to provide an endpoint for binding with the other side
of the audio link.
This is achieved via the 'port' property, which is not allowed:
rk3399-rockpro64.dtb: i2s@ff890000: Unevaluated properties are not allowed ('port' was unexpected)
Fix the issue by documenting the missing property.
Signed-off-by: Cristian Ciocaltea <redacted>
---
Documentation/devicetree/bindings/sound/rockchip-i2s.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
index 1cb4da300607..c32b4750651c 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -82,6 +82,10 @@ properties:
resets:
maxItems: 2
+ port:
+ $ref: audio-graph-port.yaml#
+ unevaluatedProperties: false
+
rockchip,capture-channels:
$ref: /schemas/types.yaml#/definitions/uint32
default: 2--
2.39.1
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