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Commit 3c85871a authored by Antonio Borneo's avatar Antonio Borneo Committed by Mark Brown
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spi: pl022: Document property values 



The property "pl022,com-mode" can only assume one of the values of
the enum ssp_mode, defined in include/linux/amba/pl022.h
List the possible numeric values and report the associated meaning.

Signed-off-by: default avatarAntonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e6a72e05

Documentation/devicetree/bindings/spi/spi_pl022.txt

+4 −1
Original line number Diff line number Diff line
@@ -30,7 +30,10 @@ contain the following properties. 
	0: SPI

	1: Texas Instruments Synchronous Serial Frame Format

	2: Microwire (Half Duplex)

- pl022,com-mode : polling, interrupt or dma

- pl022,com-mode : specifies the transfer mode:

	0: interrupt mode

	1: polling mode (default mode if property not present)

	2: DMA mode

- pl022,rx-level-trig : Rx FIFO watermark level

- pl022,tx-level-trig : Tx FIFO watermark level

- pl022,ctrl-len : Microwire interface: Control length