This is a simple cleanup and there should be no functional changes.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add functionality to setup device specific sysfs attributes
in a race condition free manner
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Our charger manager can optimize the battery capacity periodically, so
we can save last battery capacity into registers. Then next system
power-on, we can read the last saved battery capacity as the initial
battery capacity, which can make the battery capacity more accurate.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Move SHDWC realted data to only one structure to have them grouped.
Inspired from commit 9be74f0d ("power: reset: at91-poweroff: make
mpddrc_base part of struct shdwc").
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add fuel gauge platform suspend and resume interfaces. In suspend state,
we should enable the low voltage and coulomb counter threshold interrupts
to wake up system to calibrate the battery capacity in lower voltage stage.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add low voltage alarm support to make sure the battery capacity
more accurate in lower voltage stage.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This patch adds support to read calibration values from the eFuse controller
to calibrate the ADC values corresponding to current and voltage, which can
make the current and voltage data more accurate.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add nvmem properties to calibrate FGU from eFuse controller.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Free battery information in case of adding battery OCV tables.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add info->charging validation to avoid repeated charge or discharge
operation.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

The USB charger status can be notified before the charger driver registers
the USB phy notifier, so we should check the charger status in probe() in
case we missed the USB charger notification.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Since the USB notifier context is atomic, we can not start or stop charging
in atomic context. Thus this patch adds one work to help to charge or
discharge.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Remove at91_ramc_of_match[] since it is not used anywhere in this code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Use only one poweroff function and adapt it to work for both scenarios
(with LPDDR or not). The assignement of pm_power_off was moved at the
end of probe after all initializations are OK. This patch adapt the idea
from commit 4e018c1e ("power: reset: at91-poweroff: use only one
poweroff function").
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

The bq24196 is another variant of the bq24190 charger ic.
Its register set is identical to the bq24192 and it even reuses
the same part number (0x5).
Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add extcon support so that we can notify USB drivers of cable state
changes. Based on work from Jonathan Marek. USB OTG was tested on a LG
Nexus 5 (hammerhead) phone.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This patch adds an of_match for the usb-otg-vbus regulator to
bq24190_charger.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

This patch adds support for the bq24192 variant to bq24190_charger.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
[masneyb@onstation.org: Changed if statement to a switch based on
feedback from Sebastian Reichel.]
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Add support for the ti,bq24192 variant and a child node for the
usb-otg-vbus regulator.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Switch the SI to boot mode so on a warm reboot, the SI is able to access
the flash.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Similar to gpio-reset allow to specify active and inactive delays
while keeping the 100ms defaults that were used previously all the time.

The dt-properties are named the same as in gpio-reset but get an "-ms"
suffix as properties should contain such a suffix specifying its unit.
Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Make code more readable.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Fix incorrect return value.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Fix some misspelled words.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Remove unused index counting.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Trivial fix to clean up indentation issue, remove an extraneous tab
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Immutable branch between mfd and power-supply for driver
changes related to axp813.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

AXP813 and AXP803 PMICs can control input current and minimum voltage.

Both of these values are configurable.
Signed-off-by: Oskari Lemmela <oskari@lemmela.net>
Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

The AXP803/AXP813 AC power supply can limit input current and voltage.
Signed-off-by: Oskari Lemmela <oskari@lemmela.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Make use of the recommended BIT() macro for bit defines.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

The axp20x_usb_power driver uses BIT() operations but lacks the include
for it. Include the bitops.h header file.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Don't populate the array cpcap_battery_irqs  on the stack but instead
make it static. Makes the object code smaller by 99 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  13673	   2448	      0	  16121	   3ef9	cpcap-battery.o

After:
   text	   data	    bss	    dec	    hex	filename
  13510	   2512	      0	  16022	   3e96	cpcap-battery.o

(gcc version 8.2.0 x86_64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

According to [1] and [2], the temperature values are in tenths of degree
Celsius. Exposing the Celsius value makes the battery appear on fire:

  $ upower -i /org/freedesktop/UPower/devices/battery_olpc_battery
  ...
      temperature:         236.9 degrees C

Tested on OLPC XO-1 and OLPC XO-1.75 laptops.

[1] include/linux/power_supply.h
[2] Documentation/power/power_supply_class.txt

Fixes: fb972873 ("[BATTERY] One Laptop Per Child power/battery driver")
Cc: stable@vger.kernel.org
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Fix build errors when FUEL_GUAGE_SC27XX is enabled but IIO is either
not enabled or IIO=m and FUEL_GUAGE_SC27XX=y.

ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_get_temp':
sc27xx_fuel_gauge.c:(.text+0x1d2): undefined reference to `iio_read_channel_processed'
ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_probe':
sc27xx_fuel_gauge.c:(.text+0x97f): undefined reference to `devm_iio_channel_get'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-pm@vger.kernel.org
Acked-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>