Messages in this thread Patch in this message | | | From | Doug Anderson <> | Subject | [PATCH 3/3] dt-bindings: spi/rockchip: Mark DMA as optional | Date | Wed, 3 Sep 2014 13:44:27 -0700 |
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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: Doug Anderson <dianders@chromium.org> --- Documentation/devicetree/bindings/spi/spi-rockchip.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt index 7bab355..467dec4 100644 --- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt +++ b/Documentation/devicetree/bindings/spi/spi-rockchip.txt @@ -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: -- 2.1.0.rc2.206.gedb03e5
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