Linux Driver for BQ32K



The Linux driver supports the BQ32000 Serial RTC. The Linux driver supports communication through the I2C bus and interfaces with the RTC sub-system.

Linux Mainline Status

Available in Linux Main line: Yes
Available through N/A

Supported Devices:
  • bq32000
Linux Source Files

The files associated with this device are:

  1. drivers/rtc/rtc-bq32k.c
Source Files



Enabling Driver Support

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

Menuconfig Location

Symbol: RTC_DRV_BQ32K [=y]Type  : tristatePrompt: TI BQ32000  Location:    -> Device Drivers      -> Real Time Clock (RTC_CLASS [=y])  Defined at drivers/rtc/Kconfig:470  Depends on: RTC_CLASS [=y] && 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.


Real-time clocks (RTCs) & timers
BQ32000 Serial real-time clock (RTC) with battery backup and trickle charge
Download View video with transcript Video

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