| Message ID | 20170320095959.6813-1-borneo.antonio@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 3c85871a8a7f079cd4a24877ac9e0bcc0b1c2e4a |
| Headers | show |
diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt index 2692a5726c3f..7638b4968ddb 100644 --- a/Documentation/devicetree/bindings/spi/spi_pl022.txt +++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt @@ -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
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: Antonio Borneo <borneo.antonio@gmail.com> --- To: Mark Brown <broonie@kernel.org> To: Rob Herring <robh+dt@kernel.org> To: Mark Rutland <mark.rutland@arm.com> Cc: linux-spi@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/spi/spi_pl022.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)