Hi John, On Fri, Jan 04, 2019 at 12:56:22PM -0800, John Stultz wrote: > Some dma channels can be reserved for secure mode or other > hardware on the SoC, so provide a binding for a bitmask > listing the available channels for the kernel to use. > > Cc: Vinod Koul <vkoul@xxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Tanglei Han <hantanglei@xxxxxxxxxx> > Cc: Zhuangluan Su <suzhuangluan@xxxxxxxxxxxxx> > Cc: Ryan Grachek <ryan@xxxxxxxxx> > Cc: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > Cc: dmaengine@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/dma/k3dma.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt > index 10a2f15..1c466c1 100644 > --- a/Documentation/devicetree/bindings/dma/k3dma.txt > +++ b/Documentation/devicetree/bindings/dma/k3dma.txt > @@ -14,6 +14,9 @@ Required properties: > have specific request line > - clocks: clock required > > +Optional properties: > +- dma-avail-chan: Bitmask of available physical channels > + This property looks too generic. Since this is specific to HiSi SoCs, this could be "hisi-dma-avail-chan"? Thanks, Mani > Example: > > Controller: > -- > 2.7.4 >
