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author | Doug Anderson <dianders@chromium.org> | 2014-09-04 00:44:27 +0400 |
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committer | Mark Brown <broonie@kernel.org> | 2014-09-05 02:54:15 +0400 |
commit | 6e3be9bbeaa841eb65fa7570e0c542b2c1483fca (patch) | |
tree | 95e748c6b1a2f2aa6d14e0a75c050035e86df4ed /Documentation/devicetree/bindings/spi/spi-rockchip.txt | |
parent | 62946172c81578477fcbb26478aebaa31353488d (diff) | |
download | linux-6e3be9bbeaa841eb65fa7570e0c542b2c1483fca.tar.xz |
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: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-rockchip.txt')
-rw-r--r-- | Documentation/devicetree/bindings/spi/spi-rockchip.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt index 7bab35575817..467dec441c62 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: |