From: Thomas Abraham <thomas.abraham@linaro.org>
To: linux-kernel@vger.kernel.org
Cc: k.lewandowsk@samsung.com, devicetree-discuss@lists.ozlabs.org,
        rob.herring@calxeda.com, grant.likely@secretlab.ca,
        kgene.kim@samsung.com, broonie@opensource.wolfsonmicro.com,
        myungjoo.ham@samsung.com, kyungmin.park@samsung.com,
        dg77.kim@samsung.com, linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org
Subject: [PATCH v3 0/2] regulator: add irq domain and device tree support for
 MAX8997
Date: Thu, 23 Feb 2012 18:08:06 +0530
Message-id: <1330000688-11226-1-git-send-email-thomas.abraham@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 2481
Lines: 52

Changes since v2:
- Atleast one voltage level has to be specfied for Buck 1/2/5 even if GPIO
  DVS option is not used (suggested by MyungJoo Ham).
- Reworked the irq_domain support based the v5 of irq_domain generalization
  patches.

MAX8997 is a multi-function device which includes support for regulators, rtc,
battery charger and other sub-blocks. This patchset adds device tree support
for the pmic (regulators) sub-block.

The first patch adds irq domain support for the interrupts supported by max8997
mainly for removing the need to pass a irq_base from the platform code. The
irq_base could not anyway be passed in case of device tree based instantiation.
The reverse mapping method used is linear since the sub-drivers of max8997 has
access to the max8997 irq_domain from which the linux irq number can be
obtained.

The second patch adds device tree support for max8997. This patch modifies both
mfd and regulator portions of the max8997 code.

This patchset is based on the following tree.
http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git [for-next]

with all patches merged from
http://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git [for-next]
http://git.secretlab.ca/git/linux-2.6.git [irqdomain/next]

and depends on the following patchset.
[PATCH v3 0/4] ARM: Exynos4: Add irq domain and device tree support for wakeup interrupts.

This patchset has been tested on Origen board.

Thomas Abraham (2):
  mfd: add irq domain support for max8997 interrupts
  regulator: add device tree support for max8997

 .../devicetree/bindings/regulator/max8997-pmic.txt |  134 +++++++++++++++++++
 arch/arm/mach-exynos/mach-nuri.c                   |    4 -
 arch/arm/mach-exynos/mach-origen.c                 |    1 -
 drivers/mfd/max8997-irq.c                          |   60 +++++----
 drivers/mfd/max8997.c                              |   73 ++++++++++-
 drivers/regulator/max8997.c                        |  139 +++++++++++++++++++-
 include/linux/mfd/max8997-private.h                |    4 +-
 include/linux/mfd/max8997.h                        |    2 +-
 8 files changed, 382 insertions(+), 35 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/regulator/max8997-pmic.txt

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