spi: dt-bindings: nxp,lpc3220-spi: Add DMA specific properties

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NXP LPC32xx SPI controllers supports DMA operations over rx-tx channel,
which is muxed with SSP SPI controller DMA.

For additional reference see Table 69 in NXP LPC32xx User Manual.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://patch.msgid.link/20260109075032.3287109-1-vz@mleia.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Vladimir Zapolskiy 2026-01-09 09:50:32 +02:00 • committed by Mark Brown

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Documentation/devicetree/bindings/spi/nxp,lpc3220-spi.yaml

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