[PATCH 4/4] RX-51: Add platform function and data for bq24150a charger

Tony Lindgren tony at atomide.com
Mon Sep 23 19:11:19 EDT 2013


* Sebastian Reichel <sre at ring0.de> [130923 13:55]:
> On Mon, Sep 23, 2013 at 10:06:46PM +0200, Pali Rohár wrote:
> > On Monday 23 September 2013 22:00:09 Sebastian Reichel wrote:
> > > On Mon, Sep 23, 2013 at 09:16:18PM +0200, Pali Rohár wrote:
> > > > It is not as simple as it looks. This is reason why I
> > > > submited this patch long time after I submited bq2415x
> > > > driver.
> > > > 
> > > > Problem is that for rx51 is needed specific function which
> > > > connect to two drivers (bq2415x and isp1704) plus it call
> > > > specific rx51 board functions.
> > > > 
> > > > Something which cannot be in DT (unless DT support C/ASM
> > > > code).
> > > 
> > > mh could isp1704 driver expose the data via the regulator
> > > framework?
> > 
> > No, isp1704 is power supply driver and export data via power 
> > supply (sysfs) interface. It is not regulator but charger driver.
> 
> well it does not charge the battery directly, but just provides a
> power line with 5 Volt and a specified amount of current to the
> system, doesn't it?
> 
> From my POV this is a candiate for the regulator framework:
> 
> https://www.kernel.org/doc/Documentation/power/regulator/overview.txt

Yes I think we should be able handle that rail with the
regulator framework.

Regards,

Tony



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