ASoC: dt-bindings: fsl-sai: Support Rx-only SAI

On SoC like i.MX8QXP some SAI IP cores support only Rx path. Allow
specifying only an Rx DMA channel, while omitting the Tx one.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20231219122957.3358149-2-alexander.stein@ew.tq-group.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Alexander Stein 2023-12-19 13:29:57 +01:00 committed by Mark Brown
parent 7084f0de23
commit b6ea4284c7
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@ -80,11 +80,13 @@ properties:
maxItems: 1
dmas:
minItems: 1
items:
- description: DMA controller phandle and request line for RX
- description: DMA controller phandle and request line for TX
dma-names:
minItems: 1
items:
- const: rx
- const: tx