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2 parents 3a7b854 + 9df3bd5 commit 2ffb850Copy full SHA for 2ffb850
Documentation/devicetree/bindings/dma/stm32-dma.txt
@@ -62,14 +62,14 @@ channel: a phandle to the DMA controller plus the following four integer cells:
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0x1: medium
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0x2: high
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0x3: very high
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-4. A 32bit mask specifying the DMA FIFO threshold configuration which are device
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- dependent:
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- -bit 0-1: Fifo threshold
+4. A 32bit bitfield value specifying DMA features which are device dependent:
+ -bit 0-1: DMA FIFO threshold selection
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0x0: 1/4 full FIFO
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0x1: 1/2 full FIFO
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0x2: 3/4 full FIFO
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0x3: full FIFO
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+
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Example:
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usart1: serial@40011000 {
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