dma: mmp_pdma: Add the #dma-requests DT property documentation

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

For pxa based platforms, the number of requestor lines should be
specified, so that the driver can check if the flow control should be
activated (when a requestor line is asked for) or not.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Rob Herring <robh@kernel.org>

Robert Jarzmik 10 years ago 9ab9ae55 6b9d526b

1 changed file

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Documentation

devicetree

bindings

dma

mmp-dma.txt

Documentation/devicetree/bindings/dma/mmp-dma.txt

··· 12 12 Optional properties: 13 13 - #dma-channels: Number of DMA channels supported by the controller (defaults 14 14 to 32 when not specified) 15 + - #dma-requests: Number of DMA requestor lines supported by the controller 16 + (defaults to 32 when not specified) 15 17 16 18 "marvell,pdma-1.0" 17 19 Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688.