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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-03 22:24:46 +0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-03 22:24:46 +0400 |
commit | 447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6 (patch) | |
tree | 676e741f2552c9cb301e1e49c557b92bf8940f55 /Documentation/devicetree/bindings/dma/mpc512x-dma.txt | |
parent | 3049683eafdbbbd7350b0e5ca02a2d8c026a3362 (diff) | |
parent | 042e1c79166b9250edd8262bea84e1703f27ad2e (diff) | |
download | linux-447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6.tar.xz |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.18.
Diffstat (limited to 'Documentation/devicetree/bindings/dma/mpc512x-dma.txt')
-rw-r--r-- | Documentation/devicetree/bindings/dma/mpc512x-dma.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/mpc512x-dma.txt b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt new file mode 100644 index 000000000000..a6511df165c5 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt @@ -0,0 +1,29 @@ +* Freescale MPC512x and MPC8308 DMA Controller + +The DMA controller in Freescale MPC512x and MPC8308 SoCs can move +blocks of memory contents between memory and peripherals or +from memory to memory. + +Refer to "Generic DMA Controller and DMA request bindings" in +the dma/dma.txt file for a more detailed description of binding. + +Required properties: +- compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma"; +- reg: should contain the DMA controller registers location and length; +- interrupt for the DMA controller: syntax of interrupt client node + is described in interrupt-controller/interrupts.txt file. +- #dma-cells: the length of the DMA specifier, must be <1>. + Each channel of this DMA controller has a peripheral request line, + the assignment is fixed in hardware. This one cell + in dmas property of a client device represents the channel number. + +Example: + + dma0: dma@14000 { + compatible = "fsl,mpc5121-dma"; + reg = <0x14000 0x1800>; + interrupts = <65 0x8>; + #dma-cells = <1>; + }; + +DMA clients must use the format described in dma/dma.txt file. |