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| author | Kedareswara rao Appana | 2016-04-07 07:29:44 +0200 |
|---|---|---|
| committer | Vinod Koul | 2016-05-12 08:28:41 +0200 |
| commit | 3843dc282e2b48730c4dc669d7d5671331155c2f (patch) | |
| tree | 6277076769f327ae6f46158502ee7c53736b46e3 /Documentation/devicetree/bindings | |
| parent | dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine (diff) | |
| download | kernel-qcow2-linux-3843dc282e2b48730c4dc669d7d5671331155c2f.tar.gz kernel-qcow2-linux-3843dc282e2b48730c4dc669d7d5671331155c2f.tar.xz kernel-qcow2-linux-3843dc282e2b48730c4dc669d7d5671331155c2f.zip | |
Documentation: DT: vdma: update binding doc for AXI CDMA
This patch updates the device-tree binding doc for
adding support for AXI CDMA.
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt index 3fb23fe8e503..fcc2b6517560 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt @@ -8,8 +8,12 @@ target devices. It can be configured to have one channel or two channels. If configured as two channels, one is to transmit to the device and another is to receive from the device. +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-vdma-1.00.a" or "xlnx,axi-dma-1.00.a" +- compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a" or + "xlnx,axi-cdma-1.00.a"" - #dma-cells: Should be <1>, see "dmas" property below - reg: Should contain VDMA registers location and length. - xlnx,addrwidth: Should be the vdma addressing size in bits(ex: 32 bits). |