On Thu, Jan 10, 2019 at 11:34 AM John Stultz <john.stultz@xxxxxxxxxx> 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> > --- > v3: Renamed to hisi-dma-avail-chan > --- > 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..38825d4 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: > +- hisi-dma-avail-chan: Bitmask of available physical channels Not quite right. Should be: hisilicon,dma-avail-chan
