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| author | Vinod Koul <vinod.koul@intel.com> | 2018-04-10 05:25:58 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2018-04-10 05:25:58 +0200 |
| commit | 2ffb850e23a943acfbeda62599397c863cdd854c (patch) | |
| tree | 8745a5531ed800d0788d3314ff2a5d0221cf4f8f /Documentation/devicetree | |
| parent | Merge branch 'topic/renesas' into for-linus (diff) | |
| parent | dmaengine: stm32-dma: properly mask irq bits (diff) | |
| download | linux-2ffb850e23a943acfbeda62599397c863cdd854c.tar.xz linux-2ffb850e23a943acfbeda62599397c863cdd854c.zip | |
Merge branch 'topic/stm' into for-linus
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 { |