On Thu, Feb 21, 2019 at 06:17:52PM +0100, Martin Kepplinger wrote: > struct serial_rs485 now optionally holds the rts delay values in > microseconds. Users can set these delays in their devicetree descriptions, > so this adds the microseconds-option with the "rs485-rts-delay-us" boolean > property. If it has a value, it's not boolean. Should the old prop be deprecated? > > Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/serial/rs485.txt | 1 + > drivers/tty/serial/serial_core.c | 11 +++++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/serial/rs485.txt b/Documentation/devicetree/bindings/serial/rs485.txt > index b92592dff6dd..77396c62b383 100644 > --- a/Documentation/devicetree/bindings/serial/rs485.txt > +++ b/Documentation/devicetree/bindings/serial/rs485.txt > @@ -12,6 +12,7 @@ Optional properties: > * b is the delay between end of data sent and rts signal in milliseconds > it corresponds to the delay after sending data and actual release of the line. > If this property is not specified, <0 0> is assumed. > +- rs485-rts-delay-us: the same as rs485-rts-delay, but in microseconds. > - rs485-rts-active-low: drive RTS low when sending (default is high). > - linux,rs485-enabled-at-boot-time: empty property telling to enable the rs485 > feature at boot time. It can be disabled later with proper ioctl.
