On some devices like TIs BQ24081 battery charger it is possible to activate
or deactivate a fast-charge timer that provides a backup safety for charge
termination. In case of the BQ24081 it is a fixed 7-hour timer. Add support
for enabling/disabling the fast-charge timer via GPIO.
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
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Changes in v3:
- Add documentation for fast_charge_timer
- Add a compatible for the BQ24081 (using gpio-charger as fallback) and
then only allow 'fast-charge-timer-gpios' for the BQ24081.
- Add sample in device-tree bindings
- Removed acked-by from Connor because device-tree bindings changed
- Link to v2: https://lore.kernel.org/r/20260109-gpio-charger-timer-v2-0-63fd1ba75830@liebherr.com
Changes in v2:
- Added Acked-by tag
- Link to v1: https://lore.kernel.org/r/20251022-gpio-charger-timer-v1-0-b557409400f2@liebherr.com
---
Dimitri Fedrau (2):
dt-bindings: power: supply: gpio-charger: add support for fast-charge timer
power: supply: gpio-charger: add support for fast-charge timer
.../ABI/testing/sysfs-class-power-gpio-charger | 14 ++++++
.../bindings/power/supply/gpio-charger.yaml | 22 ++++++++-
drivers/power/supply/gpio-charger.c | 56 +++++++++++++++++++++-
3 files changed, 90 insertions(+), 2 deletions(-)
---
base-commit: aa2132799817fb052d95a87f0c23cc6af38541c0
change-id: 20251022-gpio-charger-timer-cddae1619714
Best regards,
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Dimitri Fedrau <dimitri.fedrau@liebherr.com>