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dt-bindings: spi: stm32-qspi: add dma properties

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This patch adds description of dma properties (optional).

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Ludovic Barre 2019-06-27 09:43:58 +02:00 committed by Mark Brown
parent b28944c6f6
commit cae86eac98
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1 changed files with 4 additions and 1 deletions
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Documentation/devicetree/bindings/spi/spi-stm32-qspi.txt
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@ -19,8 +19,11 @@ Required properties:
- reg: chip-Select number (QSPI controller may connect 2 flashes)
- spi-max-frequency: max frequency of spi bus
Optional property:
Optional properties:
- spi-rx-bus-width: see ./spi-bus.txt for the description
- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
Documentation/devicetree/bindings/dma/dma.txt.
- dma-names: DMA request names should include "tx" and "rx" if present.
Example: