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dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier 

For Spreadtrum DMA engine, all channels are equal, which means slave can
request any channels with setting a unique slave id to trigger this channel.

Thus we can remove the channel id from device tree to assign the channel
dynamically, moreover we should add the slave id in device tree.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Baolin Wang 2019-02-21 13:34:40 +08:00 committed by Vinod Koul
parent 3e5daee5ec
commit b5a4c37324
1 changed files with 1 additions and 1 deletions
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2
Documentation/devicetree/bindings/dma/sprd-dma.txt
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@ -31,7 +31,7 @@ DMA clients connected to the Spreadtrum DMA controller must use the format
described in the dma.txt file, using a two-cell specifier for each channel.
The two cells in order are:
1. A phandle pointing to the DMA controller.
2. The channel id.
2. The slave id.
spi0: spi@70a00000{
...