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Groups > linux.kernel > #1677829
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v6 10/10] serial: exar: Add support for IOT2040 device |
| Date | 2017-06-29 16:50 +0200 |
| Message-ID | <tXIVz-mS-3@gated-at.bofh.it> (permalink) |
| References | <tQwZc-52A-3@gated-at.bofh.it> <tQwZd-52A-43@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Jun 09, 2017 at 08:33:18PM +0200, Jan Kiszka wrote: > This implements the setup of RS232 and the switch-over to RS485 or RS422 > for the Siemens IOT2040. That uses an EXAR XR17V352 with external logic > to switch between the different modes. The external logic is controlled > via MPIO pins of the EXAR controller. > > Only pin 10 can be exported as GPIO on the IOT2040. It is connected to > an LED. > > As the XR17V352 used on the IOT2040 is not equipped with an external > EEPROM, it cannot present itself as IOT2040-variant via subvendor/ > subdevice IDs. Thus, we have to check via DMI for the target platform. > > Co-developed with Sascha Weisenberger. > > Signed-off-by: Sascha Weisenberger <sascha.weisenberger@siemens.com> > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Re: [PATCH v6 10/10] serial: exar: Add support for IOT2040 device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-29 16:50 +0200
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