On Fri, Jun 23, 2017 at 03:00:51PM +0200, Pierre-Yves MORDRET wrote: > This patch adds an optional property needed for STM32 DMA controller > addressed via STM32 DMAMUX. > > Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@xxxxxxxxx> > Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@xxxxxx> > --- > Version history: > v2: > * Typo fix > --- > --- > Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt > index 4408af6..340c918 100644 > --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt > +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt > @@ -16,6 +16,9 @@ Optional properties: > - resets: Reference to a reset controller asserting the DMA controller > - st,mem2mem: boolean; if defined, it indicates that the controller supports > memory-to-memory transfer > +- st,dmamux: boolean; if defined, it indicates that the controller is behind a > + DMA multiplexer. In that case, using dma instances doesn't work for DMA > + clients. They have to use dma-router instances. Won't this be obvious looking at the bindings for clients? In any case, this should be implied by the compatible string. Rob -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
