[PATCH 2/8 v3] Documentation: bindings: k3dma: Add binding for hisi-dma-avail-chan

[John Stultz]

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
+
 Example:
 
 Controller:
-- 
2.7.4