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ASoC: dt-bindings: rockchip: Document audio graph port

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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 <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230315114806.3819515-5-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cristian Ciocaltea
2023-03-15 13:47:59 +02:00
committed by Mark Brown
parent 2f43ef99ac
commit bf4062b742
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
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@@ -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