diff options
| author |   Sachin Kamat <sachin.kamat@samsung.com> | 2014-07-11 14:41:03 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-07-11 14:02:23 +0100 |
| commit | 09a5ae80be1caf42418045448fb291388a1b16c6 (patch) | |
| tree | cf0690d300d663bf5a6c28f7a15e9a379c51bc31 /Documentation/devicetree/bindings/spi | |
| parent | Linux 3.16-rc1 (diff) | |
| download | linux-dev-09a5ae80be1caf42418045448fb291388a1b16c6.tar.xz linux-dev-09a5ae80be1caf42418045448fb291388a1b16c6.zip | |
spi: samsung: Update binding documentation
Samsung SPI driver uses generic DMA bindings. Update the documentation
accordingly.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-samsung.txt | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index 86aa061f069f..655b6654dc45 100644 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -18,14 +18,11 @@ Required SoC Specific Properties: - interrupts: The interrupt number to the cpu. The interrupt specifier format depends on the interrupt controller. -[PRELIMINARY: the dma channel allocation will change once there are -official DMA bindings] +- dmas : Two or more DMA channel specifiers following the convention outlined + in bindings/dma/dma.txt -- tx-dma-channel: The dma channel specifier for tx operations. The format of - the dma specifier depends on the dma controller. - -- rx-dma-channel: The dma channel specifier for rx operations. The format of - the dma specifier depends on the dma controller. +- dma-names: Names for the dma channels. There must be at least one channel + named "tx" for transmit and named "rx" for receive. Required Board Specific Properties: @@ -74,8 +71,11 @@ Example: compatible = "samsung,exynos4210-spi"; reg = <0x12d20000 0x100>; interrupts = <0 66 0>; - tx-dma-channel = <&pdma0 5>; - rx-dma-channel = <&pdma0 4>; + dmas = <&pdma0 5 + &pdma0 4>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; }; - Board Specific Portion: |