xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun* DMA Engine.
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThe Octeon DMA Engine transfers between the Boot Bus and main memory.
4*4882a593SmuzhiyunThe DMA Engine will be referred to by phandle by any device that is
5*4882a593Smuzhiyunconnected to it.
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunProperties:
8*4882a593Smuzhiyun- compatible: "cavium,octeon-5750-bootbus-dma"
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun  Compatibility with all cn52XX, cn56XX and cn6XXX SOCs.
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun- reg: The base address of the DMA Engine's register bank.
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun- interrupts: A single interrupt specifier.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunExample:
17*4882a593Smuzhiyun	dma0: dma-engine@1180000000100 {
18*4882a593Smuzhiyun		compatible = "cavium,octeon-5750-bootbus-dma";
19*4882a593Smuzhiyun		reg = <0x11800 0x00000100 0x0 0x8>;
20*4882a593Smuzhiyun		interrupts = <0 63>;
21*4882a593Smuzhiyun	};
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