Hi Geert, > > No, I haven't tried GPIO RTS/CTS so far. How would this be > configured? > > In DT, instead of specifying "uart-has-rtscts" and pinctrl for the > "ctrl" group, you specify "rts-gpios" and "cts-gpios". > OK, I managed to do so. I also reverted my patch and used the vanilla driver with it. The result is that the driver works with GPIO RTS/CTS but not with 'autorts'. Regards, Christoph