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Commit Graph

134 Commits

Author SHA1 Message Date
Sebastian Reichel
8c0984e5a7 power: move power supply drivers to power/supply
This moves all power supply drivers from drivers/power/
to drivers/power/supply/. The intention is a cleaner
source tree, since drivers/power/ also contains frameworks
unrelated to power supply, like adaptive voltage scaling.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
2016-08-11 01:11:03 +02:00
Linus Torvalds
f7816ad0f8 power supply and reset changes for the v4.8 series
* introduce reboot mode driver
  * add DT support to max8903
  * add power supply support for axp221
  * misc. fixes
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Merge tag 'for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 - introduce reboot mode driver
 - add DT support to max8903
 - add power supply support for axp221
 - misc fixes

* tag 'for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: reset: add reboot mode driver
  dt-bindings: power: reset: add document for reboot-mode driver
  power_supply: fix return value of get_property
  power: qcom_smbb: Make an extcon for usb cable detection
  max8903: adds support for initiation via device tree
  max8903: adds documentation for device tree bindings.
  max8903: remove unnecessary 'out of memory' error message.
  max8903: removes non zero validity checks on gpios.
  max8903: adds requesting of gpios.
  max8903: cleans up confusing relationship between dc_valid, dok and dcm.
  max8903: store pointer to pdata instead of copying it.
  power_supply: bq27xxx_battery: Group register mappings into one table
  docs: Move brcm,bcm21664-resetmgr.txt
  power/reset: make syscon_poweroff() static
  power: axp20x_usb: Add support for usb power-supply on axp22x pmics
  power_supply: bq27xxx_battery: Index register numbers by enum
  power_supply: bq27xxx_battery: Fix copy/paste error in header comment
  MAINTAINERS: Add file patterns for power supply device tree bindings
  power: reset: keystone: Enable COMPILE_TEST
2016-07-26 19:49:09 -07:00
Stephen Boyd
eee1d077f0 power: qcom_smbb: Make an extcon for usb cable detection
On these PMICs the usb cable connection/disconnection is
indicated by the usb-valid interrupt being high or low
respectively. Let's make an extcon for that, so we can notify usb
drivers of the cable state.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2016-06-29 23:10:12 +02:00
Felipe Balbi
5a8d651a2b usb: gadget: move gadget API functions to udc-core
instead of defining all functions as static inlines,
let's move them to udc-core and export them with
EXPORT_SYMBOL_GPL, that way we can make sure that
only GPL drivers will use them.

As a side effect, it'll be nicer to add tracepoints
to the gadget API.

While at that, also fix Kconfig dependencies to
avoid randconfig build failures.

Acked-By: Sebastian Reichel <sre@kernel.org>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-06-21 10:38:34 +03:00
Wenyou Yang
5c0e09e03f power: act8945a: add charger driver for ACT8945A
This patch adds new driver for Active-semi ACT8945A ActivePath
charger (part of ACT8945A MFD driver) providing power supply class
information to userspace.

The driver can be configured through DT (such as, total timer,
precondition timer and input over-voltage threshold).

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[ add "|| COMPILE_TEST" to MFD_ACT8945A dependency ]
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2016-02-24 18:31:24 +01:00
Krzysztof Kozlowski
f96576bd63 power: Fix unmet dependency on POWER_SUPPLY by POWER_RESET by uncoupling them
Currently the reset/power off handlers (POWER_RESET) and Adaptive Voltage
Scaling class (POWER_AVS) are not built when POWER_SUPPLY is disabled.
The POWER_RESET is also not visible in drivers main section of config.

However they do not really depend on power supply so they can be built
always. The objects for power supply drivers already depend on
particular Kconfig symbols so there is no need for any changes in
drivers/power/Makefile.

This allows selecting POWER_RESET from main drivers config section and
fixes following build warning (encountered on ARM exynos defconfig when
POWER_SUPPLY is disabled manually):

warning: (ARCH_HISI && ARCH_INTEGRATOR && ARCH_EXYNOS && ARCH_VEXPRESS && REALVIEW_DT) selects POWER_RESET which has unmet direct dependencies (POWER_SUPPLY)
warning: (ARCH_EXYNOS) selects POWER_RESET_SYSCON which has unmet direct dependencies (POWER_SUPPLY && POWER_RESET && OF)
warning: (ARCH_EXYNOS) selects POWER_RESET_SYSCON_POWEROFF which has unmet direct dependencies (POWER_SUPPLY && POWER_RESET && OF)

Reported-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-12-08 04:26:05 +01:00
Andrew F. Davis
703df6c097 power: bq27xxx_battery: Reorganize I2C into a module
Separate out I2C functionality into a module. This fixes several small
issues and simplifies the driver initialization.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-12-05 02:06:51 +01:00
Linus Torvalds
bc914532a0 - New Device Support
- Add support for 88pm860; 88pm80x
    - Add support for 24c08 EEPROM; at24
    - Add support for Broxton Whiskey Cove; intel*
    - Add support for RTS522A; rts5227
    - Add support for I2C devices; intel_quark_i2c_gpio
  - New Functionality
    - Add microphone support; arizona
    - Add general purpose switch support; arizona
    - Add fuel-gauge support; da9150-core
    - Add shutdown support; sec-core
    - Add charger support; tps65217
    - Add flexible serial communication unit support; atmel-flexcom
    - Add power button support; axp20x
    - Add led-flash support; rt5033
  - Core Frameworks
    - Supply a generic macro for defining Regmap IRQs
    - Rework ACPI child device matching
  - Fix-ups
    - Use Regmap to access registers; tps6105x
    - Use DEFINE_RES_IRQ_NAMED() macro; da9150
    - Re-arrange device registration order; intel_quark_i2c_gpio
    - Allow OF matching; cros_ec_i2c, atmel-hlcdc, hi6421-pmic, max8997, sm501
    - Handle deferred probe; twl6040
    - Improve accuracy of headphone detect; arizona
    - Unnecessary MODULE_ALIAS() removal; bcm590xx, rt5033
    - Remove unused code; htc-i2cpld, arizona, pcf50633-irq, sec-core
    - Simplify code; kempld, rts5209, da903x, lm3533, da9052, arizona
    - Remove #iffery; arizona
    - DT binding adaptions; many
  - Bug Fixes
    - Fix possible NULL pointer dereference; wm831x, tps6105x
    - Fix 64bit bug; intel_soc_pmic_bxtwc
    - Fix signedness issue; arizona
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Merge tag 'mfd-for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Device Support:
   - Add support for 88pm860; 88pm80x
   - Add support for 24c08 EEPROM; at24
   - Add support for Broxton Whiskey Cove; intel*
   - Add support for RTS522A; rts5227
   - Add support for I2C devices; intel_quark_i2c_gpio

  New Functionality:
   - Add microphone support; arizona
   - Add general purpose switch support; arizona
   - Add fuel-gauge support; da9150-core
   - Add shutdown support; sec-core
   - Add charger support; tps65217
   - Add flexible serial communication unit support; atmel-flexcom
   - Add power button support; axp20x
   - Add led-flash support; rt5033

  Core Frameworks:
   - Supply a generic macro for defining Regmap IRQs
   - Rework ACPI child device matching

  Fix-ups:
   - Use Regmap to access registers; tps6105x
   - Use DEFINE_RES_IRQ_NAMED() macro; da9150
   - Re-arrange device registration order; intel_quark_i2c_gpio
   - Allow OF matching; cros_ec_i2c, atmel-hlcdc, hi6421-pmic, max8997, sm501
   - Handle deferred probe; twl6040
   - Improve accuracy of headphone detect; arizona
   - Unnecessary MODULE_ALIAS() removal; bcm590xx, rt5033
   - Remove unused code; htc-i2cpld, arizona, pcf50633-irq, sec-core
   - Simplify code; kempld, rts5209, da903x, lm3533, da9052, arizona
   - Remove #iffery; arizona
   - DT binding adaptions; many

  Bug Fixes:
   - Fix possible NULL pointer dereference; wm831x, tps6105x
   - Fix 64bit bug; intel_soc_pmic_bxtwc
   - Fix signedness issue; arizona"

* tag 'mfd-for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits)
  bindings: mfd: s2mps11: Add documentation for s2mps15 PMIC
  mfd: sec-core: Remove unused s2mpu02-rtc and s2mpu02-clk children
  extcon: arizona: Add extcon specific device tree binding document
  MAINTAINERS: Add binding docs for Cirrus Logic/Wolfson Arizona devices
  mfd: arizona: Remove bindings covered in new subsystem specific docs
  mfd: rt5033: Add RT5033 Flash led sub device
  mfd: lpss: Add Intel Broxton PCI IDs
  mfd: lpss: Add Broxton ACPI IDs
  mfd: arizona: Signedness bug in arizona_runtime_suspend()
  mfd: axp20x: Add a cell for the power button part of the, axp288 PMICs
  mfd: dt-bindings: Document pulled down WRSTBI pin on S2MPS1X
  mfd: sec-core: Disable buck voltage reset on watchdog falling edge
  mfd: sec-core: Dump PMIC revision to find out the HW
  mfd: arizona: Use correct type ID for device tree config
  mfd: arizona: Remove use of codec build config #ifdefs
  mfd: arizona: Simplify adding subdevices
  mfd: arizona: Downgrade type mismatch messages to dev_warn
  mfd: arizona: Factor out checking of jack detection state
  mfd: arizona: Factor out DCVDD isolation control
  mfd: Make TPS6105X select REGMAP_I2C
  ...
2015-11-06 10:23:50 -08:00
Andrew F. Davis
6bd03ce3c1 power: bq27xxx_battery: Remove unneeded dependency in Kconfig
I2C is only required when using the config item BATTERY_BQ27XXX_I2C which
already depends on the I2C subsystem, remove the unneeded dependency from
BATTERY_BQ27XXX.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-10-19 10:38:50 +02:00
Sebastian Reichel
0f4998cbb2 twl4030_charger: add missing iio dependency
This driver fails to link without CONFIG_IIO, since
there are no stubs for the iio_channels functions.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Marek Belisko <marek@goldelico.com>
Acked-by: Nikolaus Schaller <hns@goldelico.com>
2015-10-16 14:12:38 +02:00
Adam Thomson
a419b4fd91 power: Add support for DA9150 Fuel-Gauge
This adds power supply driver support for the Fuel-Gauge part of
the DA9150 combined Charger and Fuel-Gauge device.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-10-13 11:28:07 +01:00
Andreas Dannenberg
bf02dca9ee power: bq24257: Add basic support for bq24250/bq24251
This patch adds basic support for bq24250 and bq24251 which are very
similar to the bq24257 the driver was originally written for. Basic
support means the ability to select a device through Kconfig, DT and
ACPI, an instance variable allowing to check which chip is active, and
the reporting back of the selected device through the model_name power
supply sysfs property.

This patch by itself is not sufficient to actually use those two added
devices in a real-world setting due to some feature differences which
are addressed by other patches in this series.

Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-09-29 16:49:58 +02:00
Enric Balletbo i Serra
3636859b28 power_supply: Add support for tps65217-charger.
This patch adds support for the tps65217 charger driver. This driver is
responsible for controlling the charger aspect of the tps65217 mfd.
Currently, this mainly consists of turning on and off the charger, but
some other features of the charger can be supported through this driver.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-09-24 22:43:13 +02:00
Andrew F. Davis
081bab217d power: bq27x00_battery: Renaming for consistency
Rename functions that are used by multiple devices. New devices
have been added and the function names and driver name are no longer
general enough for the functionality they provide.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: GUAN Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-09-23 16:16:22 +02:00
Courtney Cavin
56d7df8716 power: Add Qualcomm SMBB driver
Add the Qualcomm Switch-Mode Battery Charger and Boost driver, found in
pm8941.

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-09-22 13:35:30 +02:00
Hans de Goede
69fb4dcada power: Add an axp20x-usb-power driver
This adds a driver for the usb power_supply bits of the axp20x PMICs.

I initially started writing my own driver, before coming aware of
Bruno Prémont's excellent earlier RFC with a driver for this.

My driver was lacking CURRENT_MAX and VOLTAGE_MIN support Bruno's
drvier has, so I've copied the code for those from his driver.

Note that the AC-power-supply and battery charger bits will need separate
drivers. Each one needs its own devictree child-node so that other
devicetree nodes can reference the right power-supply, and thus each one
will get its own mfd-cell / platform_device and platform-driver.

Cc: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-09-22 13:35:28 +02:00
Geert Uytterhoeven
1e8b82c1ff power: Allow compile test of GPIO consumers if !GPIOLIB
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.

Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-08-05 05:48:08 +02:00
Anda-Maria Nicolae
e86d69dd78 power_supply: Add support for Richtek RT9455 battery charger
Based on the datasheet found here:
http://www.richtek.com/download_ds.jsp?p=RT9455

Signed-off-by: Anda-Maria Nicolae <anda-maria.nicolae@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-05-30 03:34:55 +02:00
Ramakrishna Pallala
843735b788 power: axp288_charger: axp288 charger driver
This patch adds new power supply charger driver support
for X-Power AXP288 PMIC integrated charger.

This driver interfaces with the axp20x mfd driver as a cell
and listens to extcon cable events for setting up charging.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-05-24 10:32:24 +02:00
Laurentiu Palcu
4aeae9cb0d power_supply: Add support for TI BQ25890 charger chip
More details about the chip can be found here:
http://www.ti.com/product/bq25890

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-05-23 21:31:26 +02:00
Laurentiu Palcu
2219a93596 power_supply: Add TI BQ24257 charger driver
Based on the datasheet found here:
http://www.ti.com/lit/ds/symlink/bq24257.pdf

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-05-23 18:54:34 +02:00
Todd Brandt
5a5bf49088 X-Power AXP288 PMIC Fuel Gauge Driver
New power_supply driver at driver/power which interfaces with the
axp20x mfd driver as a cell. Provides battery info, monitors for
changes, and generates alerts on temperature and capacity issues

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Acked-by:  Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-03-07 20:08:58 +01:00
Adam Thomson
c1a281e34d power: Add support for DA9150 Charger
This patch adds support for DA9150 Charger & Fuel-Gauge IC Charger.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-02-25 21:18:14 +01:00
Mike Looijmans
085bc24d15 Add LTC2941/LTC2943 Battery Gauge Driver
Both the LTC2941 and LTC2943 measure battery capacity.
The LTC2943 is compatible with the LTC2941, it adds voltage and
temperature monitoring, and uses a slightly different conversion
formula for the charge counter.

To avoid confusion with e.g. the LTC2945, the driver is called
LTC2941 instead of LTC294X.

v2: Fix units of measurement: uV, uA and centidegrees.
v3: Correctly set configuration register. Allow negative values
    for the sense resistor.
v4: Run checkpatch.pl and fix all errors and warnings.
v5: Prefix "lltc," to devicetree properties.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
[ removed .owner field ]
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-22 03:23:07 +01:00
Jonghwa Lee
c1155c64e6 power: charger-manager: Use alarmtimer for battery monitoring in suspend.
To guerantee proper charing and managing batteries even in suspend,
charger-manager has used rtc device with rtc framework interface.
However, it is better to use alarmtimer for cleaner and more appropriate
operation.
This patch makes driver to use alarmtimer for polling work in suspend and
removes all deprecated codes related with using rtc interface.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-21 20:52:07 +01:00
Karol Wrona
19fb8b2df4 power: max14577: Remove SYSFS dependency from Kconfig
This is only a small clean-up. The driver can be built without SYSFS
as there exist stubs for used functions.

Signed-off-by: Karol Wrona <k.wrona@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-21 19:36:57 +01:00
Krzysztof Kozlowski
87c2d90678 power: max77693: Add charger driver for Maxim 77693
Add new driver for Maxim 77693 switch-mode charger (part of max77693
MFD driver) providing power supply class information to userspace.

The charger has +20V tolerant input. Current input can be set from 0 to
2.58 A. The charger can deliver up to 2.1 A to the battery or 3.5 A to
the system (when supplying additional current from battery to system).

The driver is configured through DTS (battery and system related
settings) and sysfs entries (timers and top-off charging threshold).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-20 14:04:12 +01:00
Beomho Seo
b847dd96e6 power: rt5033_battery: Add RT5033 Fuel gauge device driver
This patch adds device driver of Richtek PMIC.
The driver support battery fuel gauge. Fuel gauge calculates and determines the
battery state of charge (SOC) according to battery open circuit voltage (OCV).
Also, this driver provides battery average voltage, voltage and battery present
property.

Cc: Sebastian Reichel <sre@kernel.org>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-20 13:58:31 +01:00
Krzysztof Kozlowski
6a91e85444 power: max14577: Fix circular config SYSFS dependency
Make the max14577 charger driver depending on SYSFS instead selecting
it. This fixes warning on x86_64 with allmodconfig:

scripts/kconfig/conf --allmodconfig Kconfig
fs/sysfs/Kconfig:1:error: recursive dependency detected!
fs/sysfs/Kconfig:1:	symbol SYSFS is selected by CHARGER_MAX14577
drivers/power/Kconfig:327:	symbol CHARGER_MAX14577 depends on POWER_SUPPLY
drivers/power/Kconfig:1:	symbol POWER_SUPPLY is selected by HID_SONY
drivers/hid/Kconfig:638:	symbol HID_SONY depends on NEW_LEDS
drivers/leds/Kconfig:8:	symbol NEW_LEDS is selected by SENSORS_APPLESMC
drivers/hwmon/Kconfig:299:	symbol SENSORS_APPLESMC depends on HWMON
drivers/hwmon/Kconfig:5:	symbol HWMON is selected by EEEPC_LAPTOP
drivers/platform/x86/Kconfig:496:	symbol EEEPC_LAPTOP depends on HOTPLUG_PCI
drivers/pci/hotplug/Kconfig:5:	symbol HOTPLUG_PCI depends on SYSFS

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2014-09-25 16:05:50 +02:00
Krzysztof Kozlowski
e30110e9c9 charger: max14577: Configure battery-dependent settings from DTS and sysfs
Remove hard-coded values for:
 - Fast Charge current,
 - End Of Charge current,
 - Fast Charge timer,
 - Overvoltage Protection Threshold,
 - Battery Constant Voltage,
and use DTS or sysfs to configure them. This allows using the max14577 charger
driver with different batteries.

Now the charger driver requires valid configuration data from DTS. In
case of wrong configuration data it fails during probe.

The fast charge timer is configured through sysfs entry.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-24 15:25:49 +01:00
Krzysztof Kozlowski
3682a8ee87 charger: max14577: Add support for MAX77836 charger
Add support for MAX77836 charger to the max14577 driver. The MAX77836
charger is almost the same as 14577 model except:
 - No dead-battery detection;
 - Support for special charger (like in MAX77693);
 - Support for DX over-voltage protection (like in MAX77693);
 - Lower values of charging current (two times lower current for
   slow/fast charge, much lower EOC current);
 - Slightly different values in ChgTyp field of STATUS2 register. On
   MAX14577 0x6 is reserved and 0x7 dead battery. On the MAX77836 the
   0x6 means special charger and 0x7 is reserved. Regardless of these
   differences the driver maps them to one enum max14577_muic_charger_type.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-24 15:25:44 +01:00
Dmitry Artamonow
00a588f9d2 power: add driver for battery reading on iPaq h3xxx
This adds a driver for reading the battery status of the
battery connected to the Atmel microcontroller on the
iPAQ h3xxx series.

Based on a driver from handhelds.org 2.6.21 kernel, written
by Alessandro GARDICH.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2014-07-24 16:20:17 +02:00
Linus Torvalds
4ba9920e5e Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:

 1) BPF debugger and asm tool by Daniel Borkmann.

 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann.

 3) Correct reciprocal_divide and update users, from Hannes Frederic
    Sowa and Daniel Borkmann.

 4) Currently we only have a "set" operation for the hw timestamp socket
    ioctl, add a "get" operation to match.  From Ben Hutchings.

 5) Add better trace events for debugging driver datapath problems, also
    from Ben Hutchings.

 6) Implement auto corking in TCP, from Eric Dumazet.  Basically, if we
    have a small send and a previous packet is already in the qdisc or
    device queue, defer until TX completion or we get more data.

 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko.

 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel
    Borkmann.

 9) Share IP header compression code between Bluetooth and IEEE802154
    layers, from Jukka Rissanen.

10) Fix ipv6 router reachability probing, from Jiri Benc.

11) Allow packets to be captured on macvtap devices, from Vlad Yasevich.

12) Support tunneling in GRO layer, from Jerry Chu.

13) Allow bonding to be configured fully using netlink, from Scott
    Feldman.

14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can
    already get the TCI.  From Atzm Watanabe.

15) New "Heavy Hitter" qdisc, from Terry Lam.

16) Significantly improve the IPSEC support in pktgen, from Fan Du.

17) Allow ipv4 tunnels to cache routes, just like sockets.  From Tom
    Herbert.

18) Add Proportional Integral Enhanced packet scheduler, from Vijay
    Subramanian.

19) Allow openvswitch to mmap'd netlink, from Thomas Graf.

20) Key TCP metrics blobs also by source address, not just destination
    address.  From Christoph Paasch.

21) Support 10G in generic phylib.  From Andy Fleming.

22) Try to short-circuit GRO flow compares using device provided RX
    hash, if provided.  From Tom Herbert.

The wireless and netfilter folks have been busy little bees too.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits)
  net/cxgb4: Fix referencing freed adapter
  ipv6: reallocate addrconf router for ipv6 address when lo device up
  fib_frontend: fix possible NULL pointer dereference
  rtnetlink: remove IFLA_BOND_SLAVE definition
  rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info
  qlcnic: update version to 5.3.55
  qlcnic: Enhance logic to calculate msix vectors.
  qlcnic: Refactor interrupt coalescing code for all adapters.
  qlcnic: Update poll controller code path
  qlcnic: Interrupt code cleanup
  qlcnic: Enhance Tx timeout debugging.
  qlcnic: Use bool for rx_mac_learn.
  bonding: fix u64 division
  rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC
  sfc: Use the correct maximum TX DMA ring size for SFC9100
  Add Shradha Shah as the sfc driver maintainer.
  net/vxlan: Share RX skb de-marking and checksum checks with ovs
  tulip: cleanup by using ARRAY_SIZE()
  ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called
  net/cxgb4: Don't retrieve stats during recovery
  ...
2014-01-25 11:17:34 -08:00
Richard Weinberger
850bc4d539 power,goldfish: Add dependency on HAS_IOMEM
On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.

drivers/built-in.o: In function `goldfish_battery_probe':
drivers/power/goldfish_battery.c:181: undefined reference to `devm_ioremap'

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-15 14:51:22 -08:00
Krzysztof Kozlowski
55e6470120 power_supply: Add charger support for Maxim 14577
MAX14577 chip is a multi-function device which includes MUIC, charger and
voltage regulator. The driver is located in drivers/mfd.

This patch supports battery charging control of MAX14577 chip and provides
power supply class information to userspace.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-23 18:52:19 -08:00
Austin Boyle
93353e8088 max17042_battery: Fix build errors caused by missing REGMAP_I2C config
max17042 now uses regmap interface but does not enable config option. This
patch fixes the following build errors:

drivers/power/max17042_battery.c:661:15: error: variable ‘max17042_regmap_config’ has initializer but incomplete type
drivers/power/max17042_battery.c:662:2: error: unknown field ‘reg_bits’ specified in initializer
drivers/power/max17042_battery.c:662:2: warning: excess elements in struct initializer
drivers/power/max17042_battery.c:662:2: warning: (near initialization for ‘max17042_regmap_config’)
drivers/power/max17042_battery.c:663:2: error: unknown field ‘val_bits’ specified in initializer
drivers/power/max17042_battery.c:663:2: warning: excess elements in struct initializer
drivers/power/max17042_battery.c:663:2: warning: (near initialization for ‘max17042_regmap_config’)
drivers/power/max17042_battery.c:664:2: error: unknown field ‘val_format_endian’ specified in initializer
drivers/power/max17042_battery.c:664:23: error: ‘REGMAP_ENDIAN_NATIVE’ undeclared here (not in a function)
drivers/power/max17042_battery.c:664:2: warning: excess elements in struct initializer
drivers/power/max17042_battery.c:664:2: warning: (near initialization for ‘max17042_regmap_config’)
drivers/power/max17042_battery.c: In function ‘max17042_probe’:
drivers/power/max17042_battery.c:684:2: error: implicit declaration of function ‘devm_regmap_init_i2c’

Signed-off-by: Austin Boyle <boyle.austin@gmail.com>
Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-01 14:25:03 -08:00
Darbha Sriharsha
ce77399226 power_supply: Add support for bq24735 charger
Adds support for the bq24735 charger chipset. The bq24735 is a
high-efficiency, synchronous battery charger.

It allows control of the charging current, input current, and the charger
voltage DAC's through SMBus.

Signed-off-by: Darbha Sriharsha <dsriharsha@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Thanks-to: Stephen Warren <swarren@wwwdotorg.org>
Thanks-to: Thierry Reding <thierry.reding@gmail.com>
Thanks-to: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-10-25 15:56:51 -07:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00
Marek Belisko
da0a00ebc2 power: Add twl4030_madc battery driver.
This driver is used and tested on gta04 phone. It's using twl4030_madc
(similar to rx51 existing driver). Driver also implement charging and
discharging calibration data so user can define ranges and level.

Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Lukas Märdian <lukas@goldelico.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-08-30 17:34:52 -07:00
Mark A. Greer
d7bf353fd0 bq24190_charger: Add support for TI BQ24190 Battery Charger
Add driver support for the Texas Instruments BQ24190 battery charger.
Some of the information provided by the device is about the charger and
other information is about the battery so create two power_supply objects
(one for each) and provide the appropriate information for each one.

The device has many fields that go beyond what is reasonable to report or
modify using the existing 'POWER_SUPPLY_PROP_*' properties so the driver
exports the register fields via sysfs.  They are prefixed by 'f_' (for
'field') to make it easier to distinguish between a register field and a
"normal" sysfs file exported by the power_supply infrastructure.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-08-27 18:17:54 -07:00
Paul Gortmaker
e2e077cdde power_supply: Make goldfish_battery depend on GOLDFISH || COMPILE_TEST
Nearly all the other goldfish peripherals (mtd, keyboard, etc) have a
dependency on the main platform's GOLDFISH Kconfig item, but this one got
skipped.  Even with consistency as a justification, there was initial
resistance[1] from some people to adding it however, as they wanted the
extra compile coverage.

Now, with CONFIG_COMPILE_TEST, we have the middle ground that will give
people the coverage who want it, and let those who don't want it to skip
ever seeing the option presented.

[1] https://lkml.org/lkml/2013/2/27/333

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-08-09 13:28:47 -07:00
Linus Torvalds
72de4c63e5 Last minute one-liners: wrong kfree usage fix, module alias fixup and
kconfig adjustments.
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Merge tag 'for-v3.10-fixes' of git://git.infradead.org/battery-2.6

Pull bettery fixes from Anton Vorontsov:
 "Last minute one-liners: wrong kfree usage fix, module alias fixup and
  kconfig adjustments"

* tag 'for-v3.10-fixes' of git://git.infradead.org/battery-2.6:
  pm2301_charger: Fix module alias prefix
  wm831x_backup: Fix wrong kfree call for devdata->backup.name
  bq27x00: Fix I2C dependency in KConfig
  lp8788-charger: Fix kconfig dependency
2013-05-25 20:32:49 -07:00
Xiong Zhou
a2d0dbb4b5 bq27x00: Fix I2C dependency in KConfig
This patch fixes build failure(randconfig) of next-20130501. When config
I2C as m, BATTERY_BQ27x00 as y, here comes the failure. The driver depends
on I2C only if I2C is not disabled, as Lars commented. Last version of
this patch make the driver depend on I2C unconditionally.

Failure message:
drivers/built-in.o: In function `bq27x00_read_i2c':
bq27x00_battery.c:(.text+0x1082a7): undefined reference to `i2c_transfer'
drivers/built-in.o: In function `bq27x00_battery_init':
bq27x00_battery.c:(.init.text+0x6085): undefined reference to `i2c_register_driver'
bq27x00_battery.c:(.init.text+0x60c7): undefined reference to `i2c_del_driver'
drivers/built-in.o: In function `bq27x00_battery_exit':
bq27x00_battery.c:(.exit.text+0xbf0): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

Signed-off-by: Xiong Zhou <jencce.kernel@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-05-10 11:04:15 -07:00
Randy Dunlap
237a1b01fd lp8788-charger: Fix kconfig dependency
Fix build errors in lp8788-charger by making it depend on IIO.
Fixes errors when CONFIG_IIO=m and CHARGER_LP8788=y.

lp8788-charger.c:(.text+0x2146b5): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x2146ce): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x214a86): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214b51): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214c30): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214d93): undefined reference to `iio_channel_release'
lp8788-charger.c:(.text+0x214dac): undefined reference to `iio_channel_release'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-05-02 21:17:50 -07:00
Linus Torvalds
151173e8ce Highlights:
- OpenFirmware/DeviceTree support for the Power Supply core: the core now
   automatically populates supplied_from hierarchy from the device tree.
   With these patches chargers and batteries can now lookup each other
   without the board files support shim. Rhyland Klein at NVIDIA did the
   work;
 
 - New ST-Ericsson ABX500 hwmon driver. The driver is heavily using the
   AB85xx core and depends on some recent changes to it, so that is why the
   driver comes through the battery tree. It has an appropriate ack from
   the hwmon maintainer (i.e. Guenter Roeck). Martin Persson at ST-Ericsson
   and Hongbo Zhang at Linaro authored the driver;
 
 - Final bits to sync AB85xx ST-Ericsson changes into mainline. The changes
   touch mfd parts, but these were acked by the appropriate MFD maintainer
   (i.e. Samuel Ortiz). Lee Jones at Linaro did most of the work and lead
   the submission process.
 
 Minor changes, but still worth mentioning:
 
 - Battery temperature reporting fix for Nokia N900 phones;
 - Versatile Express poweroff driver moved into drivers/power/reset/.
 - Tree-wise: use devm_kzalloc() where appropriate;
 - Tree-wise: dev_pm_ops cleanups/fixes.
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Merge tag 'for-v3.10' of git://git.infradead.org/battery-2.6

Pull battery updates from Anton Vorontsov:
 "Highlights:

   - OpenFirmware/DeviceTree support for the Power Supply core: the core
     now automatically populates supplied_from hierarchy from the device
     tree.  With these patches chargers and batteries can now lookup
     each other without the board files support shim.  Rhyland Klein at
     NVIDIA did the work

   - New ST-Ericsson ABX500 hwmon driver.  The driver is heavily using
     the AB85xx core and depends on some recent changes to it, so that
     is why the driver comes through the battery tree.  It has an
     appropriate ack from the hwmon maintainer (i.e.  Guenter Roeck).
     Martin Persson at ST-Ericsson and Hongbo Zhang at Linaro authored
     the driver

   - Final bits to sync AB85xx ST-Ericsson changes into mainline.  The
     changes touch mfd parts, but these were acked by the appropriate
     MFD maintainer (ie Samuel Ortiz).  Lee Jones at Linaro did most of
     the work and lead the submission process.

  Minor changes, but still worth mentioning:

   - Battery temperature reporting fix for Nokia N900 phones
   - Versatile Express poweroff driver moved into drivers/power/reset/
   - Tree-wide: use devm_kzalloc() where appropriate
   - Tree-wide: dev_pm_ops cleanups/fixes"

* tag 'for-v3.10' of git://git.infradead.org/battery-2.6: (112 commits)
  pm2301-charger: Fix suspend/resume
  charger-manager: Use kmemdup instead of kzalloc + memcpy
  power_supply: Populate supplied_from hierarchy from the device tree
  power_supply: Add core support for supplied_from
  power_supply: Define Binding for power-supplies
  rx51_battery: Fix reporting temperature
  hwmon: Add ST-Ericsson ABX500 hwmon driver
  ab8500_bmdata: Export abx500_res_to_temp tables for hwmon
  ab8500_{bmdata,fg}: Add const attributes to some data arrays
  ab8500_bmdata: Eliminate CamelCase warning of some variables
  ab8500_btemp: Make ab8500_btemp_get* interfaces public
  goldfish_battery: Use resource_size()
  lp8788-charger: Use PAGE_SIZE for the sysfs read operation
  max8925_power: Use devm_kzalloc()
  da9030_battery: Use devm_kzalloc()
  da9052-battery: Use devm_kzalloc()
  ds2760_battery: Use devm_kzalloc()
  ds2780_battery: Use devm_kzalloc()
  gpio-charger: Use devm_kzalloc()
  isp1704_charger: Use devm_kzalloc()
  ...
2013-04-30 15:15:24 -07:00
Rhyland Klein
6f8da5df8c power_supply: Add support for tps65090-charger
This patch adds support for the tps65090 charger driver. This driver is
responsible for controlling the charger aspect of the tps65090 mfd.
Currently, this mainly consists of turning on and off the charger, but
some features of the charger can be supported through this driver
including:

- Enable Auto Recharge based on Battery voltage
- Fast Charge Safety Timer
- Maximum battery discharge current
- Maximum battery adapter current
- Enable External Charge
- Disable charging termination based on low charger current (supported)

Once the driver is accepted, later patches can add support for the
features above which are not yet supported.

Based on work by:

  Syed Rafiuddin <srafiuddin@nvidia.com>
  Laxman Dewangan <ldewangan@nvidia.com>

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-03-18 19:20:05 -07:00
Felipe Balbi
fd89149875 usb: phy: remove CONFIG_USB_OTG_UTILS
there are no more users of CONFIG_USB_OTG_UTILS
left in tree, we can remove it just fine.

[ kishon@ti.com : fixed a linking error due
	to original patch forgetting to change
	drivers/usb/Makefile ]

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:18:08 +02:00
Marcus Cooper
405fea1c66 pm2301-charger: Always compile the PM2301 Charger driver with AB8500 Battery Mgnt
The PM2301 Charger should always be available when using the AB8500
Battery Management system, we're ensuring this will be the case.

Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
2013-03-07 12:35:46 +08:00
Heiko Carstens
049645d753 goldfish_battery: Add missing GENERIC_HARDIRQS dependency
Fix this link error on s390:

ERROR: "devm_request_threaded_irq" [drivers/power/goldfish_battery.ko] undefined!

Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-02-16 13:23:33 -08:00
Anton Vorontsov
58a1c154d4 Merge branch 'tb-power-2' of git://git.linaro.org/people/ljones/linux-3.0-ux500
Pull a huge ab8500/pm2301 pile of changes from Lee Jones. Lee did an
awesome job cleaning this stuff up and thus brought ab8500 Stericsson's
development tree much closer to the mainline. Even more changes to come,
though.

Conflicts:
	drivers/power/Kconfig
2013-02-02 19:29:13 -08:00