The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/mpc512x-dma.txt

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    1 * Freescale MPC512x and MPC8308 DMA Controller
    2 
    3 The DMA controller in Freescale MPC512x and MPC8308 SoCs can move
    4 blocks of memory contents between memory and peripherals or
    5 from memory to memory.
    6 
    7 Refer to "Generic DMA Controller and DMA request bindings" in
    8 the dma/dma.txt file for a more detailed description of binding.
    9 
   10 Required properties:
   11 - compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma";
   12 - reg: should contain the DMA controller registers location and length;
   13 - interrupt for the DMA controller: syntax of interrupt client node
   14         is described in interrupt-controller/interrupts.txt file.
   15 - #dma-cells: the length of the DMA specifier, must be <1>.
   16         Each channel of this DMA controller has a peripheral request line,
   17         the assignment is fixed in hardware. This one cell
   18         in dmas property of a client device represents the channel number.
   19 
   20 Example:
   21 
   22         dma0: dma@14000 {
   23                 compatible = "fsl,mpc5121-dma";
   24                 reg = <0x14000 0x1800>;
   25                 interrupts = <65 0x8>;
   26                 #dma-cells = <1>;
   27         };
   28 
   29 DMA clients must use the format described in dma/dma.txt file.

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