Hi, On Thu, Jun 30, 2016 at 12:12 AM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > CC devicetree > > On Thu, Jun 30, 2016 at 5:54 AM, <apronin@xxxxxxxxxxxx> wrote: >> From: Andrey Pronin <apronin@xxxxxxxxxxxx> >> >> Some devices may need CS to be deasserted for some time >> between transactions. Added a new capability to guarantee >> a delay between SPI transactions for the device. >> >> Signed-off-by: Andrey Pronin <apronin@xxxxxxxxxxxx> >> --- >> Documentation/devicetree/bindings/spi/spi-bus.txt | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/spi/spi-bus.txt b/Documentation/devicetree/bindings/spi/spi-bus.txt >> index 1b7ffd4..87c117a 100644 >> --- a/Documentation/devicetree/bindings/spi/spi-bus.txt >> +++ b/Documentation/devicetree/bindings/spi/spi-bus.txt >> @@ -70,6 +70,8 @@ contain the following properties. >> sleep if there was no SPI activity (msec). >> - cs-wake-duration - (optional) Time it takes the device to wake up after >> toggling CS if it went to sleep (msec). >> +- xfer-delay - (optional) Delay to insert between SPI transactions >> + to guarantee that CS is deasserted at least for some time. msec? usec? nsec? Also, as with the other patch, this should be _before_ the code change, so this should really be patch 3 not patch 4. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
