From: Li Yu <redacted>

Add optional property hisilicon,dma-min-chan for k3dma.

Signed-off-by: Li Yu <redacted>
Signed-off-by: Guodong Xu <redacted>
---
 Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
index 4945aeac4dc4..f34202a80f3c 100644
--- a/Documentation/devicetree/bindings/dma/k3dma.txt
+++ b/Documentation/devicetree/bindings/dma/k3dma.txt

@@ -12,6 +12,11 @@ Required properties:
 		have specific request line
 - clocks: clock required
 
+Optional properties:
+- hisilicon,dma-min-chan: the minimum DMA channel number which is usable
+		Default value is 0, but in some platform it is
+		configured 1, like in hi3660 platform
+
 Example:
 
 Controller:

@@ -21,6 +26,7 @@ Controller:
 			#dma-cells = <1>;
 			dma-channels = <16>;
 			dma-requests = <27>;
+			hisilicon,dma-min-chan = <1>;