On Friday, October 7, 2022 7:14:48 AM EDT Marc Kleine-Budde wrote: > On 07.10.2022 06:37:24, Daniel S. Trevitz wrote: > > On Friday, October 7, 2022 3:41:17 AM EDT Marc Kleine-Budde wrote: > > > On 06.10.2022 15:27:50, Daniel S. Trevitz wrote: > > > > Add documentation for how to use and setup the switchable termination > > > > resistor support for the can-controllers. > > > > > > > > Signed-off-by: Daniel Trevitz <dan@xxxxxxxxxx> > > > > --- > > > > > > > > Documentation/networking/can.rst | 30 ++++++++++++++++++++++++++++++ > > > > 1 file changed, 30 insertions(+) > > > > > > > > diff --git a/Documentation/networking/can.rst > > > > b/Documentation/networking/can.rst index ebc822e605f5..bb39cfa4c502 > > > > 100644 > > > > --- a/Documentation/networking/can.rst > > > > +++ b/Documentation/networking/can.rst > > > > @@ -1148,6 +1148,36 @@ tuning on deep embedded systems'. The author is > > > > running a MPC603e> > > > > > > > > load without any problems ... > > > > > > > > +Switchable Termination Resistors > > > > +-------------------------------- > > > > + > > > > +CAN bus requires a specific impedance across the differential pair, > > > > +typically provided by two 120Ohm resistors on the farthest nodes of > > > > +the bus. Some CAN controllers support activating / deactivating a > > > > +termination resistor(s) to provide the correct impedance.:: > > > > + > > > > > > > + - Query the available resistances: > > > You need double :: followed by a newline to mark as code. > > > > This whole section is a code block; :: is up three lines. > > Yes, your're right. What about making only the individual commands code? > > Marc Tested, looks fine as individual blocks; v3 coming in hot. -Daniel