linux-kernel - [PATCH v4 0/4] power_supply: Introduce power supply charging driver

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Message-Id: <1391103052-10954-1-git-send-email-jenny.tc@intel.com>
Date:	Thu, 30 Jan 2014 23:00:48 +0530
From:	Jenny TC <jenny.tc@...el.com>
To:	linux-kernel@...r.kernel.org,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
Cc:	Anton Vorontsov <cbouatmailru@...il.com>,
	Anton Vorontsov <anton.vorontsov@...aro.org>,
	Jenny TC <jenny.tc@...el.com>, Kim Milo <Milo.Kim@...com>,
	Lee Jones <lee.jones@...aro.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Pali Rohár <pali.rohar@...il.com>,
	Rhyland Klein <rklein@...dia.com>, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	David Woodhouse <dwmw2@...radead.org>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Sebastian Reichel <sre@...g0.de>, aaro.koskinen@....fi,
	freemangordon@....bg, linux-omap@...r.kernel.org
Subject: [PATCH v4 0/4] power_supply: Introduce power supply charging driver

v1: introduced feature as a framework within power supply class driver with
	separate files for battid framework and charging framework
v2: fixed review comments, moved macros and inline functions to power_supply.h
v3: moved the feature as a separate driver, combined battid framework and
	charging framework inside the power supply charging driver. Moved
	charger specific properties to power_supply_charger.h and plugged the
	driver with power supply subsystem using power_supply_notifier
	introduced in my previous patch. Also a sample charger chip driver
	(bq24261) patch added to give more idea on the psy charging driver
	usage
v4: Fixed review comments, no major design changes.

The Power Supply charging driver connects multiple subsystems
to do charging in a generic way. The subsystems involves power_supply,
thermal and battery communication subsystems (1wire).With this the charging is
handled in a generic way.

The driver makes use of different new features - Battery Identification
interfaces, pluggable charging algorithms, charger cable arbitrations etc.
The patch also introduces generic interface for charger cable notifications.
Charger cable events and capabilities can be notified using the generic
power_supply_notifier chain.

Overall this driver removes the charging logic out of the charger chip driver
and the charger chip driver can just listen to the request from the power
supply charging driver to set the charger properties. This can be implemented
by exposing get_property and set property callbacks.


Jenny TC (4):
  power_supply: Add inlmt,iterm, min/max temp props
  power_supply: Introduce generic psy charging driver
  power_supply: Introduce PSE compliant algorithm
  power_supply: bq24261 charger driver

 Documentation/power/power_supply_charger.txt |  339 +++++++
 Documentation/power/power_supply_class.txt   |    6 +
 drivers/power/Kconfig                        |   31 +
 drivers/power/Makefile                       |    3 +
 drivers/power/bq24261_charger.c              | 1364 ++++++++++++++++++++++++++
 drivers/power/charging_algo_pse.c            |  198 ++++
 drivers/power/power_supply_charger.c         | 1196 ++++++++++++++++++++++
 drivers/power/power_supply_charger.h         |  218 ++++
 drivers/power/power_supply_core.c            |    3 +
 drivers/power/power_supply_sysfs.c           |    4 +
 include/linux/power/bq24261_charger.h        |   32 +
 include/linux/power/power_supply_charger.h   |  237 +++++
 include/linux/power_supply.h                 |  164 ++++
 13 files changed, 3795 insertions(+)
 create mode 100644 Documentation/power/power_supply_charger.txt
 create mode 100644 drivers/power/bq24261_charger.c
 create mode 100644 drivers/power/charging_algo_pse.c
 create mode 100644 drivers/power/power_supply_charger.c
 create mode 100644 drivers/power/power_supply_charger.h
 create mode 100644 include/linux/power/bq24261_charger.h
 create mode 100644 include/linux/power/power_supply_charger.h

-- 
1.7.9.5

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