Hi Fabio, On Sat, Jan 07, 2017 at 12:57:10PM -0200, Fabio Estevam wrote: > The MX6QDL_PAD_CSI0_DAT16__UART4_CTS_B option is only valid in dte mode. Ah, the input select is limited in that way, I see. You wrote that you tried rts-gpios. What about setting cts-gpios to gpio6 2 in the DT? Or can you remux RX and TX to be switched to work in dte mode? Regards, Clemens -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html