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BQ25890SW-LINUX

Linux Driver for BQ25890

BQ25890SW-LINUX

Overview

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 git.ti.com: 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

drivers/power/supply/bq25890_charger.c

Linux device tree documenation

Documentation/devicetree/bindings/power/bq25890.txt

 

Enabling driver support

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

Menuconfig location

Symbol: CHARGER_BQ25890 [=y]
Type  : tristate
Prompt: 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 this
driver please either

1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here

or

2.  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

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