diff options
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 |