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authorVinod Koul <vinod.koul@intel.com>2018-04-10 08:55:58 +0530
committerVinod Koul <vinod.koul@intel.com>2018-04-10 08:55:58 +0530
commit2ffb850e23a943acfbeda62599397c863cdd854c (patch)
tree8745a5531ed800d0788d3314ff2a5d0221cf4f8f /Documentation/devicetree/bindings/dma
parent3a7b854d625816166c0faa3846810fee23f4b3d3 (diff)
parent9df3bd5520038225ceb3927021e6ea811c000c5b (diff)
Merge branch 'topic/stm' into for-linus
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
-rw-r--r--Documentation/devicetree/bindings/dma/stm32-dma.txt6
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 {