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-rw-r--r--dts/Bindings/dma/stm32-dma.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/dts/Bindings/dma/stm32-dma.txt b/dts/Bindings/dma/stm32-dma.txt
index 0b55718..c5f5190 100644
--- a/dts/Bindings/dma/stm32-dma.txt
+++ b/dts/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 {