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

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Cristian Ciocaltea and committed by

Mark Brown 3 years ago bf4062b7 2f43ef99

1 changed file

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Documentation

devicetree

bindings

sound

rockchip-i2s.yaml

Documentation/devicetree/bindings/sound/rockchip-i2s.yaml

··· 82 82 resets: 83 83 maxItems: 2 84 84 85 + port: 86 + $ref: audio-graph-port.yaml# 87 + unevaluatedProperties: false 88 + 85 89 rockchip,capture-channels: 86 90 $ref: /schemas/types.yaml#/definitions/uint32 87 91 default: 2

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