Add Milbeaut AXI DMA controller bindings. This DMA controller has only capable of memory to memory transfer. Signed-off-by: Kazuhiro Kasai <kasai.kazuhiro@xxxxxxxxxxxxx> --- .../devicetree/bindings/dma/xdmac-milbeaut.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/xdmac-milbeaut.txt diff --git a/Documentation/devicetree/bindings/dma/xdmac-milbeaut.txt b/Documentation/devicetree/bindings/dma/xdmac-milbeaut.txt new file mode 100644 index 0000000..3a77fb1 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/xdmac-milbeaut.txt @@ -0,0 +1,24 @@ +* Milbeaut AXI DMA Controller + +Milbeaut AXI DMA controller has only memory to memory transfer capability. + +* DMA controller + +Required property: +- compatible: Should be "socionext,milbeaut-m10v-xdmac" +- reg: Should contain DMA registers location and length. +- interrupts: Should contain all of the per-channel DMA interrupts. +- #dma-cells: Should be 1. +- dma-channels: Number of DMA channels supported by the controller. + +Example: + xdmac0: dma-controller@1c250000 { + compatible = "socionext,milbeaut-m10v-xdmac"; + reg = <0x1c250000 0x1000>; + interrupts = <0 17 0x4>, + <0 18 0x4>, + <0 19 0x4>, + <0 20 0x4>; + #dma-cells = <1>; + dma-channels = <4>; + }; -- 1.9.1