[PATCH 0/5] power: supply: bq27xxx: add bq27z746, and fix some regs

From: Henrik Grimler

Date: Tue Aug 11 2026 - 07:52:51 EST


bq27z746 is similar to bq27z561 but with additional protection
functionality. The standard register set is identical, but the
extended registers accessed through AltManufacturerAccess has
differences.

While working with bq27z746 I looked at some of the technical
reference manuals for the other bq27xxx devices, and noticed some
discrepancies with the driver. Fix these issues while we are at it.

For reference the TRMs for the affected bq chips can be found at these
direct links:

- bq27z746: https://ti.com/lit/ug/sluuca6/sluuca6.pdf
- bq27520g4: https://ti.com/lit/ug/sluua35/sluua35.pdf
- bq28z610: https://ti.com/lit/ug/sluua65e/sluua65e.pdf
- bq27z561: https://ti.com/lit/ug/sluubo7/sluubo7.pdf

Signed-off-by: Henrik Grimler <henrik.grimler@xxxxxxxx>
---
Henrik Grimler (5):
dt-bindings: power: bq27xxx: document bq27z746
power: supply: bq27xxx: add support for bq27z746
power: supply: bq27xxx: bq27520g4: fix REG_TTES address
power: supply: bq27xxx: bq28z610: fix invalid AverageEnergy address
power: supply: bq27xxx: bq27z561: fix invalid AverageEnergy address

Documentation/devicetree/bindings/power/supply/bq27xxx.yaml | 1 +
drivers/power/supply/bq27xxx_battery.c | 12 +++++++++---
drivers/power/supply/bq27xxx_battery_i2c.c | 2 ++
include/linux/power/bq27xxx_battery.h | 1 +
4 files changed, 13 insertions(+), 3 deletions(-)
---
base-commit: 99b38cda3f4c486cfbc40f3c8ede1703594e9f13
change-id: 20260709-bq27z746-8dc4c2ec0948

Best regards,
--
Henrik Grimler <henrik.grimler@xxxxxxxx>