[PATCH v2 2/5] dt-bindings: xilinx_dma: add optional xlnx, sg-length-width property
From: Andrea Merello <hidden>
Date: 2018-06-21 11:59:17
Also in:
dmaengine, lkml
Subsystem:
dma generic offload engine subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- 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.
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2.17.1