From 3f57fe28f84d636ca6238f33afe8b88d27c34d1b Mon Sep 17 00:00:00 2001 From: Nick Crews Date: Wed, 8 May 2019 14:38:25 -0600 Subject: power_supply: wilco_ec: Add charging config driver Add a driver to control the charging algorithm used on Wilco devices. See Documentation/ABI/testing/sysfs-class-power-wilco for the userspace interface and other info. Signed-off-by: Nick Crews Reviewed-by: Enric Balletbo i Serra Signed-off-by: Sebastian Reichel --- Documentation/ABI/testing/sysfs-class-power-wilco | 30 +++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power-wilco (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-class-power-wilco b/Documentation/ABI/testing/sysfs-class-power-wilco new file mode 100644 index 000000000000..da1d6ffe5e3c --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-wilco @@ -0,0 +1,30 @@ +What: /sys/class/power_supply/wilco-charger/charge_type +Date: April 2019 +KernelVersion: 5.2 +Description: + What charging algorithm to use: + + Standard: Fully charges battery at a standard rate. + Adaptive: Battery settings adaptively optimized based on + typical battery usage pattern. + Fast: Battery charges over a shorter period. + Trickle: Extends battery lifespan, intended for users who + primarily use their Chromebook while connected to AC. + Custom: A low and high threshold percentage is specified. + Charging begins when level drops below + charge_control_start_threshold, and ceases when + level is above charge_control_end_threshold. + +What: /sys/class/power_supply/wilco-charger/charge_control_start_threshold +Date: April 2019 +KernelVersion: 5.2 +Description: + Used when charge_type="Custom", as described above. Measured in + percentages. The valid range is [50, 95]. + +What: /sys/class/power_supply/wilco-charger/charge_control_end_threshold +Date: April 2019 +KernelVersion: 5.2 +Description: + Used when charge_type="Custom", as described above. Measured in + percentages. The valid range is [55, 100]. -- cgit v1.2.3-55-g7522