linux-kernel - Re: [PATCH v6 0/2] Initial support for XPowers AXP288 PMIC

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Message-ID: <20140925113004.582367d1@jacob-VirtualBox>
Date:	Thu, 25 Sep 2014 11:30:04 -0700
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Cc:	IIO <linux-iio@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	DEVICE TREE <devicetree@...r.kernel.org>,
	Jonathan Cameron <jic23@...nel.org>,
	Lee Jones <lee.jones@...aro.org>,
	Carlo Caione <carlo@...one.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Aaron Lu <aaron.lu@...el.com>, Alan Cox <alan@...ux.intel.com>,
	Jean Delvare <khali@...ux-fr.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh+dt@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hartmut Knaack <knaack.h@....de>,
	Fugang Duan <B38611@...escale.com>,
	Arnd Bergmann <arnd@...db.de>,
	Zubair Lutfullah <zubair.lutfullah@...il.com>,
	Sebastian Reichel <sre@...ian.org>,
	Johannes Thumshirn <johannes.thumshirn@....de>,
	Philippe Reynes <tremyfr@...oo.fr>,
	Angelo Compagnucci <angelo.compagnucci@...il.com>,
	Doug Anderson <dianders@...omium.org>,
	Ramakrishna Pallala <ramakrishna.pallala@...el.com>,
	Peter Meerwald <pmeerw@...erw.net>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH v6 0/2] Initial support for XPowers AXP288 PMIC

Hi Lee/Jonathan,

Can you consider taking this for 3.18 if there are no other issues?

Thanks,

Jacob


On Thu, 25 Sep 2014 04:15:39 -0700
Jacob Pan <jacob.jun.pan@...ux.intel.com> wrote:

> X-Powers AXP288 is a customized PMIC found on some Intel Baytrail-CR
> platforms. It comes with sub-functions such as USB charging, fuel
> gauge, ADC, and many LDO and BUCK channels.
> 
> By extending the existing AXP20x driver, this patchset adds basic
> support for AXP288 PMIC with ADC as one MFD cell device driver.
> 
> Currently, the PMIC driver in this patchset does not support platform
> data enumeration. But when ACPI _DSD and unified device properties
> become available, cell devices with platform data will be added.
> 
> This patch does not use intel_soc_pmic core for i2c and regmap
> handling in that axp288 shares similar programming interface with
> other X-Power PMICs supported in axp20x.c. Therefore, extending
> axp20x.c to include axp288 makes more sense.
> 
> Changes
>  v6:	- change axp20x_match_device() flow to give more specific
> error messages.
> 	- remove unnecessary cast
> 
>  v5:	- excluded iio documentation patch, already applied to
> iio.git
>  	- restructured axp288_adc read_raw code to make it more
> readable
> 	- renamed adc_enable to adc_set_state and add comment about
> why adc has to be always on and there is no disable function.
> 	- axp20x use const as needed for regmap structures
> 
>  v4:	- removed rename patch, use Kconfig description to list
> supported devices
>  	- misc clean up in ADC code, use regmap_bulk_read and
> improve error handling, etc.
> 	- remove IIO ADC scale, treat raw data as processed since the
> unit is already in IIO expected milliamps.
> 
>  v3:	- put all file rename changes in 1/5
>  	- add iio documentation for in_current_raw/scale
> 	- removed global variables in axp2xx
> 	- removed pm callbacks from GPADC
> 	- removed ACPI opregion cell device
> 	- added scales to ADC current and voltage
> 	- removed ADC thermal sensor from sysfs, kernel internal use
> only
> 
>  v2:
> 	- use format -M for 1/4
> 	- minor tweak based on Maxime's review
> 
> 
> Jacob Pan (2):
>   mfd/axp20x: extend axp20x to support axp288 pmic
>   iio/adc: add support for axp288 adc
> 
>  drivers/iio/adc/Kconfig      |   8 +
>  drivers/iio/adc/Makefile     |   1 +
>  drivers/iio/adc/axp288_adc.c | 253 ++++++++++++++++++++++++++++++
>  drivers/mfd/Kconfig          |   3 +-
>  drivers/mfd/axp20x.c         | 361
> ++++++++++++++++++++++++++++++++++++-------
> include/linux/mfd/axp20x.h   |  59 +++++++ 6 files changed, 629
> insertions(+), 56 deletions(-) create mode 100644
> drivers/iio/adc/axp288_adc.c
> 

[Jacob Pan]
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