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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-15 05:38:05 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-15 05:38:05 +0400 |
| commit | 42249094f79422fbf5ed4b54eeb48ff096809b8f (patch) | |
| tree | 91e6850c8c7e8cc284cf8bb6363f8662f84011f4 /Documentation/devicetree/bindings/dma/atmel-dma.txt | |
| parent | 936816161978ca716a56c5e553c68f25972b1e3a (diff) | |
| parent | 2c027b7c48a888ab173ba45babb4525e278375d9 (diff) | |
| download | linux-42249094f79422fbf5ed4b54eeb48ff096809b8f.tar.xz | |
Merge branch 'next' into for-linus
Merge first round of changes for 3.13 merge window.
Diffstat (limited to 'Documentation/devicetree/bindings/dma/atmel-dma.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/atmel-dma.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/atmel-dma.txt b/Documentation/devicetree/bindings/dma/atmel-dma.txt index c80e8a3402f0..e1f343c7a34b 100644 --- a/Documentation/devicetree/bindings/dma/atmel-dma.txt +++ b/Documentation/devicetree/bindings/dma/atmel-dma.txt @@ -18,14 +18,17 @@ dma0: dma@ffffec00 { DMA clients connected to the Atmel DMA controller must use the format described in the dma.txt file, using a three-cell specifier for each channel: -a phandle plus two interger cells. +a phandle plus two integer cells. The three cells in order are: 1. A phandle pointing to the DMA controller. 2. The memory interface (16 most significant bits), the peripheral interface (16 less significant bits). -3. The peripheral identifier for the hardware handshaking interface. The -identifier can be different for tx and rx. +3. Parameters for the at91 DMA configuration register which are device +dependent: + - bit 7-0: peripheral identifier for the hardware handshaking interface. The + identifier can be different for tx and rx. + - bit 11-8: FIFO configuration. 0 for half FIFO, 1 for ALAP, 1 for ASAP. Example: |