dma: ste_dma40: Expand DT binding to accept 'high-priority channel' flag

[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / dma / ste-dma40.txt

diff --git a/Documentation/devicetree/bindings/dma/ste-dma40.txt b/Documentation/devicetree/bindings/dma/ste-dma40.txt
index a8c21c256baa5afbcb4b1a43d150ca47a5c4e3ea..1f5729f106216ecb079af2c4912fd61e20098585 100644 (file)
--- a/Documentation/devicetree/bindings/dma/ste-dma40.txt
+++ b/Documentation/devicetree/bindings/dma/ste-dma40.txt
@@ -50,6 +50,9 @@ Each dmas request consists of 4 cells:
         0x00000008: Use fixed channel:
                 Use automatic channel selection when unset
                 Use DMA request line number when set
+        0x00000010: Set channel as high priority:
+                Normal priority when unset
+                High priority when set
 
 Example: