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Subject[PATCH 3/6] dt-bindings: xilinx_dma: add required xlnx,lengthregwidth property
Date
The width of the "length register" cannot be autodetected, and it is now
specified with a DT property. Add DOC for it.

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
---
Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index a2b8bfaec43c..acecdc5d8d47 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -36,6 +36,8 @@ Required properties:

Required properties for VDMA:
- xlnx,num-fstores: Should be the number of framebuffers as configured in h/w.
+Required properties for AXI DMA:
+- xlnx,lengthregwidth: Should be the width of the length register as configured in h/w.

Optional properties:
- xlnx,include-sg: Tells configured for Scatter-mode in
--
2.17.1
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