linux-kernel - [PATCH v3 0/2] power: introduce Charger-Manager

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Message-id: <1324979269-2453-1-git-send-email-dg77.kim@samsung.com>
Date:	Tue, 27 Dec 2011 18:47:47 +0900
From:	Donggeun Kim <dg77.kim@...sung.com>
To:	linux-pm@...r.kernel.org
Cc:	len.brown@...el.com, pavel@....cz, rjw@...k.pl,
	rdunlap@...otime.net, cbouatmailru@...il.com, pali.rohar@...il.com,
	prakity@...ell.com, broonie@...nsource.wolfsonmicro.com,
	lars@...afoo.de, kyungmin.park@...sung.com,
	myungjoo.ham@...sung.com, dg77.kim@...sung.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/2] power: introduce Charger-Manager

Charger Manager provides in-kernel battery charger management that
requires temperature monitoring during both normal and suspend-to-RAM states
and where each battery may have multiple chargers attached and the userland
wants to look at the aggregated information of the multiple chargers.

Charger Manager is a platform_driver with power-supply-class entries.
An instance of Charger Manager (a platform-device created with
Charger-Manager) represents a battery with chargers. If there are multiple
batteries with their own chargers acting independently in a system,
the system may need multiple instances of Charger Manager.
Multiple chargers (e.g., USB, wireless, and solar panels) may be included
as pairs of a regulator and a power-supply-class
per charger.

Charger Manager glues multiple charger-related frameworks (regulators of
chargers, power-supply-class from chargers and fuel-gauge, RTC,
suspend-again, ...) together to provide aggregated information and
transparent battery monitoring to userspace.

For the discussions about the need for in-suspend monitoring, please
refer to the discussions of suspend-again in PM:
v1 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031052.html
v2 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031111.html
v3 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031267.html
v4 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031357.html
v5 (last, applied) https://lists.linux-foundation.org/pipermail/linux-pm/2011-June/031561.html

To see the usage example, please refer to:
http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/charger-manager
In this git branch, a test code for Exynos4-NURI is shown.

This patch set supports initial Charger Manager driver.

---
Changes for v3:
    - rename variables and functions
    - clean up code
    - add build dependency of RTC_CLASS and REGULATOR
Changes for v2:
    - change symbol type of Kconfig to boolean

Donggeun Kim (2):
  power: Charger-Manager: add initial Charger-Manager driver
  power: Charger-Manager: add properties for power-supply-class

 Documentation/power/charger-manager.txt |  164 +++++
 drivers/power/Kconfig                   |   10 +
 drivers/power/Makefile                  |    1 +
 drivers/power/charger-manager.c         | 1073 +++++++++++++++++++++++++++++++
 include/linux/power/charger-manager.h   |  148 +++++
 5 files changed, 1396 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/power/charger-manager.txt
 create mode 100644 drivers/power/charger-manager.c
 create mode 100644 include/linux/power/charger-manager.h

-- 
1.7.4.1

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