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ASoC: dt-bindings: fsl-sai: allow only one dma-names

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Some sai only connect one direction dma (rx/tx) in SOC. For example:
imx8qxp sai5 only connect tx dma channel. So allow only one "rx" or "tx"
for dma-names.

Remove description under dmas because no user use index to get dma channel.
All user use 'dma-names' to get correct dma channel. dma-names already in
'required' list.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://msgid.link/r/20240328-asrc_8qxp-v8-3-801cd6bb5be2@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Frank Li 2024-03-28 10:51:35 -04:00 committed by Mark Brown
parent 82330327ce
commit 7b5f207265
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 4 deletions
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6
Documentation/devicetree/bindings/sound/fsl,sai.yaml
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@ -81,14 +81,12 @@ properties:
dmas:
minItems: 1
items:
- description: DMA controller phandle and request line for RX
- description: DMA controller phandle and request line for TX
maxItems: 2
dma-names:
minItems: 1
items:
- const: rx
- enum: [ rx, tx ]
- const: tx
interrupts: