[PATCH 1/4] dma: mmp_pdma: Add the #requestors DT property documentation
From: robert.jarzmik@free.fr (Robert Jarzmik)
Date: 2016-02-11 21:23:45
Also in:
linux-devicetree, lkml
Subsystem:
dma generic offload engine subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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> --- Documentation/devicetree/bindings/dma/mmp-dma.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt
index 7a802f64e5bd..716b70338a15 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) +- #requestors: Number of DMA requestor lines supported by the controller + (defaults to 0 when not specified) "marvell,pdma-1.0" Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688.
--
2.1.4