From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <w.sang@pengutronix.de>
Subject: Re: RS-485 automatic RTS toggle in Linux (on Winbond W83627UHG)
Date: Tue, 29 Nov 2011 23:36:26 +0100
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On Tue, Nov 29, 2011 at 05:25:32PM -0500, Tomas Lastovicka wrote:

> Then i definitely have a different datasheet (v1.41). No 485 matches were=
 found.

I got v1.7:

http://www.nuvoton.com/NuvotonMOSS/Community/ProductInfo.aspx?tp_GUID=3D831=
0ab06-af65-4ec9-92a6-17cf791aa9f2

Ah, it says RS485 is only available on Revision E. Hopefully, you have that.

> Indeed, if it has support then there is no need for software toggle
> (although i still think it is done this way in the Etrax driver coming
> with the kernel).

I think that was the first RS485 one, so probably just lucky ;)

If you are interested, another series adding support for 8250-variants that
have HW support can be found here:

http://lkml.org/lkml/2011/11/16/270

Regards,

   Wolfram

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Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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