diff options
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/stm32-dma.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt index 0b55718bf889..c5f519097204 100644 --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt @@ -62,14 +62,14 @@ channel: a phandle to the DMA controller plus the following four integer cells: 0x1: medium 0x2: high 0x3: very high -4. A 32bit mask specifying the DMA FIFO threshold configuration which are device - dependent: - -bit 0-1: Fifo threshold +4. A 32bit bitfield value specifying DMA features which are device dependent: + -bit 0-1: DMA FIFO threshold selection 0x0: 1/4 full FIFO 0x1: 1/2 full FIFO 0x2: 3/4 full FIFO 0x3: full FIFO + Example: usart1: serial@40011000 { |