Linux Driver for BQ25890



The Linux driver supports the BQ25890 5-A fast charger. The Linux driver supports communication through the I2C bus and interfaces with the power supply sub-system.


Linux mainline status

Available in Linux mainline: Yes
Available through N/A

Linux source Files

The files associated with this device are:

  1. drivers/power/supply/bq25890_charger.c
  2. Documentation/devicetree/bindings/power/bq25890.txt

Source files


Linux device tree documenation



Enabling driver support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or "make nconfig")

Menuconfig location

Symbol: CHARGER_BQ25890 [=y]Type  : tristatePrompt: TI BQ25890 battery charger driver  Location:    -> Device Drivers      -> Power supply class support (POWER_SUPPLY [=y])  Defined at drivers/power/supply/Kconfig:439  Depends on: POWER_SUPPLY [=y] && I2C [=y] && (GPIOLIB [=y] || COMPILE_TEST [=y])  Selects: REGMAP_I2C [=y]

Fixes and code enhancements

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.



Battery charger ICs
BQ25890 I2C 1cell 5A buck battery charger Maxcharge™ tech for high input with D+/D- BQ25892 I2C 1cell 5A buck battery charger with NVDC Power Path and PSEL BQ25895 I2C 1cell 5A buck battery charger with high input voltage and 3.1-A boost with HVDCP enabled BQ25896 I2C 1cell 3A buck battery charger with power path and PSEL
Download View video with transcript Video

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support.