diff options
| author | LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn> | 2021-03-19 14:02:36 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2021-03-21 23:29:26 +0300 |
| commit | 4eed7f5a8334a179f40b2c78c1ead572b9dd04a0 (patch) | |
| tree | c90ba00c4b5b06b86932bae492ac3b3008d3880e /drivers/power/supply/bq27xxx_battery_i2c.c | |
| parent | 83ee0681993dfe68868683bdc02042ec025ac38f (diff) | |
| download | linux-4eed7f5a8334a179f40b2c78c1ead572b9dd04a0.tar.xz | |
power: supply: bq27xxx: Add support for BQ78Z100
Add support for TI BQ78Z100, I2C interface gas gauge.
It provides a fully integrated safety protection
and authentication for 1 to 2-series cell Li-Ion and
Li-Polymer battery packs.
The patch was tested with BQ78Z100 equipment.
CASE I: Discharging:
POWER_SUPPLY_NAME=bq78z100-0
POWER_SUPPLY_STATUS=Discharging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_VOLTAGE_NOW=3386000
POWER_SUPPLY_CURRENT_NOW=-5000
POWER_SUPPLY_CAPACITY=27
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_TEMP=269
POWER_SUPPLY_TIME_TO_EMPTY_NOW=1249920
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CHARGE_FULL=6494000
POWER_SUPPLY_CHARGE_NOW=1736000
POWER_SUPPLY_CHARGE_FULL_DESIGN=6000000
POWER_SUPPLY_CYCLE_COUNT=1
POWER_SUPPLY_POWER_AVG=-20000
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_MANUFACTURER=Texas Instruments
CASE II : No discharging current:
POWER_SUPPLY_NAME=bq78z100-0
POWER_SUPPLY_STATUS=Not charging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_VOLTAGE_NOW=3386000
POWER_SUPPLY_CURRENT_NOW=0
POWER_SUPPLY_CAPACITY=27
POWER_SUPPLY_CAPACITY_LEVEL=Normal
POWER_SUPPLY_TEMP=270
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CHARGE_FULL=6494000
POWER_SUPPLY_CHARGE_NOW=1734000
POWER_SUPPLY_CHARGE_FULL_DESIGN=6000000
POWER_SUPPLY_CYCLE_COUNT=1
POWER_SUPPLY_POWER_AVG=0
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_MANUFACTURER=Texas Instruments
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/supply/bq27xxx_battery_i2c.c')
| -rw-r--r-- | drivers/power/supply/bq27xxx_battery_i2c.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index eb4f4284982f..46f078350fd3 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -248,6 +248,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = { { "bq27z561", BQ27Z561 }, { "bq28z610", BQ28Z610 }, { "bq34z100", BQ34Z100 }, + { "bq78z100", BQ78Z100 }, {}, }; MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table); @@ -284,6 +285,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = { { .compatible = "ti,bq27z561" }, { .compatible = "ti,bq28z610" }, { .compatible = "ti,bq34z100" }, + { .compatible = "ti,bq78z100" }, {}, }; MODULE_DEVICE_TABLE(of, bq27xxx_battery_i2c_of_match_table); |