From 9ab9ae55fdab7a8d5faa94dcb5dd25dd4298ccf8 Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Mon, 15 Feb 2016 21:27:44 +0100 Subject: 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 Acked-by: Rob Herring --- Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation/devicetree/bindings/dma') diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt index 7a802f6..8f7364a 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. -- cgit v1.1