From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (Pali =?utf-8?q?Roh=C3=A1r?=) Date: Tue, 24 Sep 2013 19:05:47 +0200 Subject: [PATCH 4/4] RX-51: Add platform function and data for bq24150a charger In-Reply-To: <20130923204714.GB22995@earth.universe> References: <1378630239-10006-1-git-send-email-pali.rohar@gmail.com> <201309232206.47391@pali> <20130923204714.GB22995@earth.universe> Message-ID: <201309241905.48301@pali> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 23 September 2013 22:47:15 Sebastian Reichel wrote: > On Mon, Sep 23, 2013 at 10:06:46PM +0200, Pali Roh?r wrote: > > On Monday 23 September 2013 22:00:09 Sebastian Reichel wrote: > > > On Mon, Sep 23, 2013 at 09:16:18PM +0200, Pali Roh?r 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? > No, isp1704 driver is doing fastcharger detection (and then export charger type via sysfs power supply) based on musb usb events. Real charging (enabling/disabling and setting properties) is done by bq24150a chip which has own power driver bq2415x_charger. As already wrote this is not simple and this is reason why I sent board data and functions only now... > From my POV this is a candiate for the regulator framework: > > https://www.kernel.org/doc/Documentation/power/regulator/overv > iew.txt > > -- Sebastian -- Pali Roh?r pali.rohar at gmail.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: