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| author | Doug Anderson <dianders@chromium.org> | 2014-09-03 13:44:27 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-09-04 23:54:15 +0100 |
| commit | 6e3be9bbeaa841eb65fa7570e0c542b2c1483fca (patch) | |
| tree | 95e748c6b1a2f2aa6d14e0a75c050035e86df4ed /Documentation/devicetree | |
| parent | 62946172c81578477fcbb26478aebaa31353488d (diff) | |
| download | op-kernel-dev-6e3be9bbeaa841eb65fa7570e0c542b2c1483fca.zip op-kernel-dev-6e3be9bbeaa841eb65fa7570e0c542b2c1483fca.tar.gz | |
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')
| -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 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: |
