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| author | Vinod Koul <vinod.koul@intel.com> | 2017-02-21 21:14:27 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-02-21 21:14:27 +0530 |
| commit | 8a3ec58382bfb5e9c6b63f47e1bd6335aafc980e (patch) | |
| tree | beadc3259fdd1461af903bcf4d1fe4873fed1144 /Documentation | |
| parent | 25036f2a7377d7135ce9848d58d14b5bc061541d (diff) | |
| parent | 5df4eb453cbdad34ea55c0ce984a376b33442aa1 (diff) | |
Merge branch 'topic/stm32-dma' into for-linus
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt index 70cd13f1588a..4408af693d0c 100644 --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt @@ -40,8 +40,7 @@ Example: DMA clients connected to the STM32 DMA controller must use the format described in the dma.txt file, using a five-cell specifier for each -channel: a phandle plus four integer cells. -The four cells in order are: +channel: a phandle to the DMA controller plus the following four integer cells: 1. The channel id 2. The request line number @@ -61,7 +60,7 @@ The four cells in order are: 0x1: medium 0x2: high 0x3: very high -5. A 32bit mask specifying the DMA FIFO threshold configuration which are device +4. A 32bit mask specifying the DMA FIFO threshold configuration which are device dependent: -bit 0-1: Fifo threshold 0x0: 1/4 full FIFO |