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spi: lpspi: add dmas property

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The LPSPI has dma capability, so add dma property.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220812073452.45763-1-peng.fan@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peng Fan
2022-08-12 15:34:51 +08:00
committed by Mark Brown
parent d9c6a706f3
commit fba933c2d9
1 changed files with 10 additions and 0 deletions
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10
Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
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@@ -39,6 +39,16 @@ properties:
- const: per
- const: ipg
dmas:
items:
- description: TX DMA Channel
- description: RX DMA Channel
dma-names:
items:
- const: tx
- const: rx
fsl,spi-only-use-cs1-sel:
description:
spi common code does not support use of CS signals discontinuously.