[PATCH v2 0/6] serial: imx: handshaking fixes and improvments

Tue Apr 12 05:17:59 PDT 2016

Uwe Kleine-König <u.kleine-koenig at pengutronix.de> [2016-04-12 12:58:56]:

> ok, so UFCR_DCEDTE is set and UCR3_DSR controls the DTR output as
> intended. What is connected to the respective pin?
> MX6QDL_PAD_EIM_D25__UART1_DSR_B I think is the one.

It's routed out to Apalis SoM pin 120, which is then connected via 22R
resistor and through SN65C3243DBR RS-232 line driver to header which I use as
debug/serial console.

-- ynezz