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spi: samsung: Update binding documentation

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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>
This commit is contained in:
Sachin Kamat 2014-07-11 14:41:03 +05:30 • committed by Mark Brown
parent 7171511eae
commit 09a5ae80be
1 changed files with 9 additions and 9 deletions
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18
Documentation/devicetree/bindings/spi/spi-samsung.txt
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@ -18,14 +18,11 @@ Required SoC Specific Properties:
- interrupts: The interrupt number to the cpu. The interrupt specifier format - interrupts: The interrupt number to the cpu. The interrupt specifier format
depends on the interrupt controller. depends on the interrupt controller.
[PRELIMINARY: the dma channel allocation will change once there are - dmas : Two or more DMA channel specifiers following the convention outlined
official DMA bindings] in bindings/dma/dma.txt
- tx-dma-channel: The dma channel specifier for tx operations. The format of - dma-names: Names for the dma channels. There must be at least one channel
the dma specifier depends on the dma controller. named "tx" for transmit and named "rx" for receive.
- rx-dma-channel: The dma channel specifier for rx operations. The format of
the dma specifier depends on the dma controller.
Required Board Specific Properties: Required Board Specific Properties:
@ -74,8 +71,11 @@ Example:
compatible = "samsung,exynos4210-spi"; compatible = "samsung,exynos4210-spi";
reg = <0x12d20000 0x100>; reg = <0x12d20000 0x100>;
interrupts = <0 66 0>; interrupts = <0 66 0>;
tx-dma-channel = <&pdma0 5>; dmas = <&pdma0 5
rx-dma-channel = <&pdma0 4>; &pdma0 4>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
}; };
- Board Specific Portion: - Board Specific Portion: