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Commit 6e3be9bb authored by Doug Anderson's avatar Doug Anderson Committed by Mark Brown
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spi/rockchip: Mark DMA as optional 



The Rockchip SPI controller works fine without DMA (aside from a few
warnings).  The DMA property even implies this, saying:

  DMA request names should include "tx" and "rx" if present.

Officially mark the properties as optional.

Signed-off-by: default avatarDoug Anderson <dianders@chromium.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 62946172

Documentation/devicetree/bindings/spi/spi-rockchip.txt

+6 −2
Original line number Diff line number Diff line
@@ -16,11 +16,15 @@ Required Properties: 
- clocks: Must contain an entry for each entry in clock-names.

- clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for

			   the peripheral clock.

- #address-cells: should be 1.

- #size-cells: should be 0.



Optional Properties:



- 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.

- #address-cells: should be 1.

- #size-cells: should be 0.





Example: