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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2016-02-15 21:27:44 +0100 |
|---|---|---|
| committer | Robert Jarzmik <robert.jarzmik@free.fr> | 2016-02-26 22:56:23 +0100 |
| commit | 9ab9ae55fdab7a8d5faa94dcb5dd25dd4298ccf8 (patch) | |
| tree | ceeb731f56d4368e30a6b3ad20fbd773afe7072e /Documentation/devicetree/bindings/dma/mmp-dma.txt | |
| parent | ARM: pxa: pxa3xx device-tree support cleanup (diff) | |
| download | linux-9ab9ae55fdab7a8d5faa94dcb5dd25dd4298ccf8.tar.xz linux-9ab9ae55fdab7a8d5faa94dcb5dd25dd4298ccf8.zip | |
dma: mmp_pdma: Add the #dma-requests DT property documentation
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>
Diffstat (limited to 'Documentation/devicetree/bindings/dma/mmp-dma.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt index 7a802f64e5bd..8f7364a7b349 100644 --- a/Documentation/devicetree/bindings/dma/mmp-dma.txt +++ b/Documentation/devicetree/bindings/dma/mmp-dma.txt @@ -12,6 +12,8 @@ Required properties: Optional properties: - #dma-channels: Number of DMA channels supported by the controller (defaults to 32 when not specified) +- #dma-requests: Number of DMA requestor lines supported by the controller + (defaults to 32 when not specified) "marvell,pdma-1.0" Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688. |