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Subject[PATCH v2 2/5] dt-bindings: xilinx_dma: add optional xlnx,sg-length-width property
Date
The width of the "length register" cannot be autodetected, and it is now
specified with a DT property. Add DOC for it.

Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
---
Changes in v2:
- change property name
- property is now optional
- cc DT maintainer
---
Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 1 +
1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index a2b8bfaec43c..c894abe28baa 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -41,6 +41,7 @@ Optional properties:
- xlnx,include-sg: Tells configured for Scatter-mode in
the hardware.
Optional properties for AXI DMA:
+- xlnx,sg-length-width: Should be the width of the length register as configured in h/w.
- xlnx,mcdma: Tells whether configured for multi-channel mode in the hardware.
Optional properties for VDMA:
- xlnx,flush-fsync: Tells which channel to Flush on Frame sync.
--
2.17.1
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