Device-tree binding documentation of Xilinx Central DMA Engine
Signed-off-by: Srikanth Thokala <sthokal@xxxxxxxxxx>
---
Changes in v2:
- Change property 'xlnx,data-width' to 'xlnx,datawidth' in the description
to match the implementation.
---
.../devicetree/bindings/dma/xilinx/xilinx_cdma.txt | 54 ++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
new file mode 100644
index 0000000..b04f76b
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_cdma.txt
@@ -0,0 +1,54 @@
+Xilinx AXI CDMA engine, it does transfers between memory-mapped source
+address and a memory-mapped destination address.
+
+Required properties:
+- compatible: Should be "xlnx,axi-cdma-1.00.a"
+- #dma-cells: Should be <1>, see "dmas" property below
+- reg: Should contain cdma registers location and length.
+- dma-channel child node: Should have only one channel
+
+