From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- Documentation/ABI/testing/sysfs-class-power | 76 +++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power (limited to 'Documentation/ABI/testing/sysfs-class-power') diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power new file mode 100644 index 000000000..369d2a2d7 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power @@ -0,0 +1,76 @@ +What: /sys/class/power/ds2760-battery.*/charge_now +Date: May 2010 +KernelVersion: 2.6.35 +Contact: Daniel Mack +Description: + This file is writeable and can be used to set the current + coloumb counter value inside the battery monitor chip. This + is needed for unavoidable corrections of aging batteries. + A userspace daemon can monitor the battery charging logic + and once the counter drops out of considerable bounds, take + appropriate action. + +What: /sys/class/power/ds2760-battery.*/charge_full +Date: May 2010 +KernelVersion: 2.6.35 +Contact: Daniel Mack +Description: + This file is writeable and can be used to set the assumed + battery 'full level'. As batteries age, this value has to be + amended over time. + +What: /sys/class/power_supply/max14577-charger/device/fast_charge_timer +Date: October 2014 +KernelVersion: 3.18.0 +Contact: Krzysztof Kozlowski +Description: + This entry shows and sets the maximum time the max14577 + charger operates in fast-charge mode. When the timer expires + the device will terminate fast-charge mode (charging current + will drop to 0 A) and will trigger interrupt. + + Valid values: + - 5, 6 or 7 (hours), + - 0: disabled. + +What: /sys/class/power_supply/max77693-charger/device/fast_charge_timer +Date: January 2015 +KernelVersion: 3.19.0 +Contact: Krzysztof Kozlowski +Description: + This entry shows and sets the maximum time the max77693 + charger operates in fast-charge mode. When the timer expires + the device will terminate fast-charge mode (charging current + will drop to 0 A) and will trigger interrupt. + + Valid values: + - 4 - 16 (hours), step by 2 (rounded down) + - 0: disabled. + +What: /sys/class/power_supply/max77693-charger/device/top_off_threshold_current +Date: January 2015 +KernelVersion: 3.19.0 +Contact: Krzysztof Kozlowski +Description: + This entry shows and sets the charging current threshold for + entering top-off charging mode. When charging current in fast + charge mode drops below this value, the charger will trigger + interrupt and start top-off charging mode. + + Valid values: + - 100000 - 200000 (microamps), step by 25000 (rounded down) + - 200000 - 350000 (microamps), step by 50000 (rounded down) + - 0: disabled. + +What: /sys/class/power_supply/max77693-charger/device/top_off_timer +Date: January 2015 +KernelVersion: 3.19.0 +Contact: Krzysztof Kozlowski +Description: + This entry shows and sets the maximum time the max77693 + charger operates in top-off charge mode. When the timer expires + the device will terminate top-off charge mode (charging current + will drop to 0 A) and will trigger interrupt. + + Valid values: + - 0 - 70 (minutes), step by 10 (rounded down) -- cgit v1.2.3-54-g00ecf