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Message-ID: <cover.1411396718.git.Adam.Thomson.Opensource@diasemi.com>
Date: Tue, 23 Sep 2014 11:53:17 +0100
From: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
To: Lee Jones <lee.jones@...aro.org>,
Samuel Ortiz <sameo@...ux.intel.com>,
Jonathan Cameron <jic23@...nel.org>,
<linux-iio@...r.kernel.org>, Sebastian Reichel <sre@...nel.org>,
Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
David Woodhouse <dwmw2@...radead.org>,
<linux-pm@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Grant Likely <grant.likely@...aro.org>,
<devicetree@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Joe Perches <joe@...ches.com>, <linux-api@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, <support.opensource@...semi.com>
Subject: [PATCH v3 0/8] Add initial support for DA9150 Charger & Fuel-Gauge IC
This patch set adds initial support for the Dialog DA9150 Integrated Charger &
Fuel-Gauge IC. The device also provides GPIO and GPADC functionality.
In this patch set the following is provided:
- MFD Core support and DT bindings documentation.
- IIO GPADC support and DT bindings documentation.
- Power Supply Charger support and DT bindings documentation.
- Update to MAINTAINERS file to add DA9150 files to Dialog support list.
- Update to IIO ABI document to add info regarding input current readings.
To keep patch submission from being too large, support for GPIO and Fuel-Gauge
will come after initial support patches are accepted.
This patch set is baselined against the v3.17-rc6 kernel version.
Changes in v3:
- IRQ register and remove helper functions removed from MFD, deemed unnecessary.
Drivers using helper functions updated to use direct calls to relevant
kernel framework functions.
- MFD I2C file removed and code folded into -core file as requested.
- MFD core now buildable as driver module.
- Platform data structure definition moved into core header, pdata.h removed.
- Update functions in GPADC driver to be static, where appropriate.
- Change units of GPADC readings to match ABI documentation. Updates to charger
driver also made to align with this modification.
- Refactor GPADC temp calculations to use scale & offset method.
- Scale values now returned as FRACTIONAL to allow for accurate conversion in
user-space.
- Tidy up of GPADC scale, offset and raw functions to return from case statements
with correct return types.
- Update GPADC channel macros naming to prefix with DA9150, prevent conflict.
- GPADC GPIO voltage readings actually in 6V range, updated accordingly.
- Addition to IIO ABI document to add details on input current readings.
- Small style updates to address comments.
Changes in v2:
- Drop devicetree prefix patch as this is being dealt with separately.
- IIO framework fix patch removed from set, has already been accepted/merged.
- Use __ instead of _ for protecting #ifdefs in headers.
- Moved private data & definitions to source files and remove unwanted headers.
- Bug fix to EXPORT_SYMBOL for common functions in MFD core used by
sub-devices, so they can be correctly built as kernel modules.
- Removed unnecessary channels from GPADC IIO driver to simplify code.
- For GPADC IIO driver, VBAT reading now provides scale and offset values as it
is a linear scale.
- GPADC read code refactored to make it tidier.
- Remove use of flag to indicate GPADC availability. IIO framework should
indicate need to defer if it's not yet instantiated.
- Unwanted comments removed.
- Removed conditional shutdown of device (Charger/MFD) as this is not needed.
- Removed AC type supply from charger as device cannot differentiate. Now just
uses USB supply type.
- Removed use of invalid-tbat flag from platform data as it doesn't really add
anything to the driver except forcing battery present status.
- Bug fix for checking of usb_phy validity in Charger probe() function.
- Addition of common IRQ release function to allow sub-devices to explicitly
tidy up IRQs when devm clean up is too late.
- Improved tidy up of resources in charger.
- Fix location of IIO GPADC related devicetree binding document so it now
resides correctly under 'adc' directory.
- Add update to MAINTAINERS file to include these files in Dialog support list.
Adam Thomson (8):
mfd: Add support for DA9150 combined charger & fuel-gauge device
mfd: da9150: Add DT binding documentation for core
iio: Add support for DA9150 GPADC
iio: da9150: Add DT binding documentation for GPADC
power: Add support for DA9150 Charger
power: da9150: Add DT binding documentation for charger
MAINTAINERS: Include DA9150 files in Dialog Semiconductor support
list.
iio: Add ABI documentation for input current readings
Documentation/ABI/testing/sysfs-bus-iio | 17 +
.../devicetree/bindings/iio/adc/da9150-gpadc.txt | 16 +
Documentation/devicetree/bindings/mfd/da9150.txt | 41 +
.../devicetree/bindings/power/da9150-charger.txt | 26 +
MAINTAINERS | 4 +
drivers/iio/adc/Kconfig | 9 +
drivers/iio/adc/Makefile | 1 +
drivers/iio/adc/da9150-gpadc.c | 406 +++++++
drivers/mfd/Kconfig | 12 +
drivers/mfd/Makefile | 2 +-
drivers/mfd/da9150-core.c | 413 +++++++
drivers/power/Kconfig | 12 +
drivers/power/Makefile | 1 +
drivers/power/da9150-charger.c | 740 +++++++++++++
include/linux/mfd/da9150/core.h | 68 ++
include/linux/mfd/da9150/registers.h | 1155 ++++++++++++++++++++
16 files changed, 2922 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/iio/adc/da9150-gpadc.txt
create mode 100644 Documentation/devicetree/bindings/mfd/da9150.txt
create mode 100644 Documentation/devicetree/bindings/power/da9150-charger.txt
create mode 100644 drivers/iio/adc/da9150-gpadc.c
create mode 100644 drivers/mfd/da9150-core.c
create mode 100644 drivers/power/da9150-charger.c
create mode 100644 include/linux/mfd/da9150/core.h
create mode 100644 include/linux/mfd/da9150/registers.h
--
1.9.3
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