Lines Matching refs:DMA
1 * Generic DMA Controller and DMA request bindings
3 Generic binding to provide a way for a driver using DMA Engine to retrieve the
4 DMA request or channel information that goes from a hardware device to a DMA
8 * DMA controller
11 - #dma-cells: Must be at least 1. Used to provide DMA controller
12 specific information. See DMA client binding below for
16 - dma-channels: Number of DMA channels supported by the controller.
17 - dma-requests: Number of DMA request signals supported by the
35 * DMA client
37 Client drivers should specify the DMA property using a phandle to the controller
38 followed by DMA controller specific data.
41 - dmas: List of one or more DMA specifiers, each consisting of
42 - A phandle pointing to DMA controller node
45 containing DMA controller specific information. This
46 typically contains a DMA request line number or a
49 - dma-names: Contains one identifier string for each DMA specifier in
51 are defined in the binding of the DMA client device.
52 Multiple DMA specifiers can be used to represent
54 DMA specifiers must be identical (see examples).
58 1. A device with one DMA read channel, one DMA write channel:
68 2. A single read-write channel with three alternative DMA controllers: