[PATCH RESEND v5 1/2] PWM: PXA: add device tree support to PWM driver

[thierry.reding@gmail.com (Thierry Reding)]

On Tue, Dec 03, 2013 at 10:45:29AM -0800, Mike Dunn wrote:
> On 12/03/2013 02:17 AM, Thierry Reding wrote:
> > On Sat, Sep 21, 2013 at 12:19:33PM -0700, Mike Dunn wrote:
> >> This patch adds device tree support to the PXA's PWM driver.  Nothing
> >> needs to be extracted from the device tree node by the PWM device.
> >> Client devices need only specify the period; the per-chip index is
> >> implicitly zero because one device node must be present for each PWM
> >> output in use.  This approach is more convenient due to the wide
> >> variability in the number of PWM channels present across the various PXA
> >> variants, and is made possible by the fact that the register sets for
> >> each PWM channel are segregated from each other.  An of_xlate() method
> >> is added to parse this single-cell node.  The existing ID table is
> >> reused for the match table data.
> >>
> >> Tested on a Palm Treo 680 (both platform data and DT cases).
> >>
> >> Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
> >> ---
> >>  Documentation/devicetree/bindings/pwm/pxa-pwm.txt | 30 +++++++++++++
> >>  drivers/pwm/pwm-pxa.c                             | 52 ++++++++++++++++++++++-
> >>  2 files changed, 81 insertions(+), 1 deletion(-)
> >>  create mode 100644 Documentation/devicetree/bindings/pwm/pxa-pwm.txt
> > 
> > Hi Mike,
> > 
> > It looks like this fell through the cracks. Is this patch still the
> > latest one you have? Should it still be applied?
> > 
> > Thierry
> > 
> 
> Hi Thierry,
> 
> Funny I should hear from you about this today.... I just turned my attention
> back to this today and noticed that it never made it into your for-next branch.
>  Yes, it is the latest.  If the patch still applies cleanly, please feel free.
> Otherwise, I'd be glad to rework it against something more recent.

I've applied it to my for-next branch (with some minor whitespace fixups
and some tuning to how the OF match table is defined). I don't consider
any of the changes risky, but it'd be great if you could still test the
version that I pushed.

Thierry
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