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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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?

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



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux