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linux_dsm_epyc7002/Documentation/ABI/testing/sysfs-bus-i2c-devices-bq32k

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rtc: bq32000: add support to enable disable the trickle charge FET bypass The bq32000 includes a trickle charge circuit to maintain the charge of the backup supply when a super capacitor is used. You can enable the charging circuit by setting 'trickle-resistor-ohms', additionally you can set TCFE to 1 to bypass the internal diode and boost the charge voltage of the backup supply. You might want to enable/disable the TCFE switch from userspace (e.g when device is only connected to a battery) This patch introduces a new sysfs entry to enable and disable this FET form userspace. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-01-28 00:43:46 +07:00
What: /sys/bus/i2c/devices/.../trickle_charge_bypass
Date: Jan 2017
KernelVersion: 4.11
Contact: Enric Balletbo i Serra <eballetbo@gmail.com>
Description: Attribute for enable/disable the trickle charge bypass
The trickle_charge_bypass attribute allows the userspace to
enable/disable the Trickle charge FET bypass.
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