Lines Matching refs:DMA
1 * STMicroelectronics STM32 DMA controller
3 The STM32 DMA is a general-purpose direct memory access controller capable of
4 supporting 8 independent DMA channels. Each channel can have up to 8 requests.
8 - reg: Should contain DMA registers location and length. This should include
10 - interrupts: Should contain all of the per-channel DMA interrupts in
11 ascending order with respect to the DMA channel index.
12 - clocks: Should contain the input clock of the DMA instance.
13 - #dma-cells : Must be <4>. See DMA client paragraph for more details.
16 - dma-requests : Number of DMA requests supported.
17 - resets: Reference to a reset controller asserting the DMA controller
41 * DMA client
43 DMA clients connected to the STM32 DMA controller must use the format
45 channel: a phandle to the DMA controller plus the following four integer cells:
49 3. A 32bit mask specifying the DMA channel configuration which are device
65 4. A 32bit bitfield value specifying DMA features which are device dependent:
66 -bit 0-1: DMA FIFO threshold selection