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adp5061: New driver for ADP5061 I2C battery charger

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This patch adds basic support for Analog Devices I2C programmable linear
battery charger.

With this driver, some parameters can be read and configured such as:
* trickle charge current level (PRECHARGE_CURRENT)
* trickle charge voltage threshold (VOLTAGE_MIN)
* weak charge threshold (VOLTAGE_AVG)
* constant current (CONSTANT_CHARGE_CURRENT)
* constant charge voltage limit (CONSTANT_CHARGE_VOLTAGE_MAX)
* battery full (CAPACITY_LEVEL)
* input current limit (INPUT_CURRENT_LIMIT)
* charger status (STATUS)
* battery status (CAPACITY_LEVEL)
* termination current (CHARGE_TERM_CURRENT)

Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/ADP5061.pdf

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
This commit is contained in:
Stefan Popa
2018-04-11 18:09:42 +03:00
committed by Sebastian Reichel
parent 8b0d62d49a
commit fe8e81b7e8
4 changed files with 764 additions and 0 deletions
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7
MAINTAINERS
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@@ -810,6 +810,13 @@ L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/i2c/ad9389b*
ANALOG DEVICES INC ADP5061 DRIVER
M: Stefan Popa <stefan.popa@analog.com>
L: linux-pm@vger.kernel.org
W: http://ez.analog.com/community/linux-device-drivers
S: Supported
F: drivers/power/supply/adp5061.c
ANALOG DEVICES INC ADV7180 DRIVER
M: Lars-Peter Clausen <lars@metafoo.de>
L: linux-media@vger.kernel.org

11
drivers/power/supply/Kconfig
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@@ -75,6 +75,17 @@ config BATTERY_88PM860X
help
Say Y here to enable battery monitor for Marvell 88PM860x chip.
config CHARGER_ADP5061
tristate "ADP5061 battery charger driver"
depends on I2C
select REGMAP_I2C
help
Say Y here to enable support for the ADP5061 standalone battery
charger.
This driver can be built as a module. If so, the module will be
called adp5061.
config BATTERY_ACT8945A
tristate "Active-semi ACT8945A charger driver"
depends on MFD_ACT8945A || COMPILE_TEST

1
drivers/power/supply/Makefile
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@@ -18,6 +18,7 @@ obj-$(CONFIG_WM8350_POWER) += wm8350_power.o
obj-$(CONFIG_TEST_POWER) += test_power.o
obj-$(CONFIG_BATTERY_88PM860X) += 88pm860x_battery.o
obj-$(CONFIG_CHARGER_ADP5061) += adp5061.o
obj-$(CONFIG_BATTERY_ACT8945A) += act8945a_charger.o
obj-$(CONFIG_BATTERY_AXP20X) += axp20x_battery.o
obj-$(CONFIG_CHARGER_AXP20X) += axp20x_ac_power.o

745
drivers/power/supply/adp5061.c Normal file
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