From: radoslav.kolev@rnd.bg (Radoslav Kolev)
To: linux-arm-kernel@lists.infradead.org
Subject: imx: PWM module on mx35
Date: Fri, 22 Oct 2010 13:13:59 +0300 [thread overview]
Message-ID: <1287742439.2441.0.camel@rado-desktop> (raw)
In-Reply-To: <AANLkTi=p1y9aAodOBu=kskGnXUu-fZ_snL+Y9R=5-Gck@mail.gmail.com>
On Thu, 2010-10-21 at 23:10 -0200, Fabio Estevam wrote:
> Hi Radoslav,
>
> On Thu, Oct 21, 2010 at 8:30 PM, Radoslav Kolev <radoslav.kolev@rnd.bg> wrote:
> > Hello,
> >
> > I am trying to use the PWM module on a Freescale MX35 SOC but all writes
> > to the PWM module registers seem to be ignored.
> >
> > I have found two issues reported as fixed in the changelog of
> > Freescales's Linux BSP for the i.MX31ADS (with similar PWM module) at
> > http://www.freescale.com/files/soft_dev_tools/doc/support_info/BSPIMX31ADSLTIB__RN.txt
> >
> > 851 Unable to write to PWM registers
> > 1438 Cannot write to PWM registers
>
> These patches fixed the MXC_CCM_CGR1 offset for the pwm_clk in the
> Freescale kernel.
>
> Another thing that was needed was to enable the PWM clock.
>
> Please try the patch below.
>
Thanks, Fabio!
That solved the register writing problem.
Regards,
Radoslav Kolev
prev parent reply other threads:[~2010-10-22 10:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 22:30 imx: PWM module on mx35 Radoslav Kolev
2010-10-22 1:10 ` Fabio Estevam
2010-10-22 10:13 ` Radoslav Kolev [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=1287742439.2441.0.camel@rado-desktop \
--to=radoslav.kolev@rnd.bg \
--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).