All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tony Lindgren <tony@atomide.com>
To: 林小玫 <subsun.ece94g@nctu.edu.tw>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: A problem about the uart3 of OMAP osk5912
Date: Fri, 17 Feb 2006 13:08:25 -0800	[thread overview]
Message-ID: <20060217210824.GB771@atomide.com> (raw)
In-Reply-To: <20060217163457.9B78586CF0@mailreg.nctu.edu.tw>

* 林小玫 <subsun.ece94g@nctu.edu.tw> [060217 00:29]:
> Hi there,
> 
> I have a problem about the uart3 of OMAP osk5912. The fact is that osk5912
> don't have a second substantial uart port. We tried to send a echo signal to
> /dev/ttyS02(which is a character device node with the major number 4 and
> minor number 65 we made), but there was no voltage change on the TX of
> uart3. Can you tell me how to control the second uart of osk5912 under OS?
> Further more, can you tell me how to use the USB serial converter? We were
> using the GMUS-03 with chipset prolific, although the required convert is
> Elecom's US-SGT.

If you solder a second UART to osk, you also have to init the additional
internal port. See board-osk.c for that. USB serial port should show up
as /dev/ttyUSB0.

Tony

      reply	other threads:[~2006-02-17 21:08 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-17  8:27 A problem about the uart3 of OMAP osk5912 林小玫
2006-02-17 21:08 ` Tony Lindgren [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20060217210824.GB771@atomide.com \
    --to=tony@atomide.com \
    --cc=linux-omap-open-source@linux.omap.com \
    --cc=subsun.ece94g@nctu.edu.tw \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.