linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: mcuelenaere@gmail.com (Maurus Cuelenaere)
To: linux-arm-kernel@lists.infradead.org
Subject: S3C64xx backlight PWM misinited GPIO pin
Date: Mon, 28 Sep 2009 19:31:16 +0200	[thread overview]
Message-ID: <4AC0F2E4.7040602@gmail.com> (raw)
In-Reply-To: <87iqf3sede.fsf@macbook.be.48ers.dk>

Op 28-09-09 09:43, Peter Korsgaard schreef:
 >  Maurus> Are the GPIO pins used as PWM (e.g. GPF15) supposed to be set
 >  Maurus> to special function 2 in the bootloader/mach file or is this
 >  Maurus> just a bug in the PWM driver in current mainline?
 >
 > The pin configuration imho doesn't belong in the pwm driver shared
 > between 24xx/64xx.

Agreed, but what about a 64xx (or 6410-specific if necessary) configuration?

IMHO this shouldn't go in the platform config, as the PWM GPIO pins are 
fixed
for all S3C6410-based devices.

 >  Maurus> Do I need to set some kind of config option (mach-hmt doesn't
 >  Maurus> seem to need the above change) or .. ?
 >
 > It doesn't do it because I setup the pin in the bootloader (E.G. to
 > display bootsplash image).

I suspected something like that, perhaps I should be doing this too.


Regards,

Maurus Cuelenaere

      reply	other threads:[~2009-09-28 17:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-24 15:23 S3C64xx backlight PWM misinited GPIO pin Maurus Cuelenaere
2009-09-28  7:43 ` Peter Korsgaard
2009-09-28 17:31   ` Maurus Cuelenaere [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=4AC0F2E4.7040602@gmail.com \
    --to=mcuelenaere@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).