On Wed, Apr 13, 2016 at 11:13:36AM +0200, Petr Štetiar wrote: > Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> [2016-04-12 19:30:32]: > > > On Tue, Apr 12, 2016 at 02:17:59PM +0200, Petr Štetiar wrote: > > > Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> [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. > > > > Then I guess the problem is that the rs232-partner asserts the imx6's > > DSR in reply to the imx6 asserting DTR? > > Yes, that's correct. OK, that fits nicely in my picture. So we only have to wait until Greg happily picks up the fixes (i.e. patches 1 up to 4). Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- 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
