The Linux driver supports the TPS80031 series of Power Management ICs. The Linux driver supports communication through the I2C bus and interfaces with the Regulator and Power sub-system.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported Devices:
Linux Source Files
The files associated with this device are:
- drivers/mfd/tps80031.c
- drivers/regulator/tps80031-regulator.c
- drivers/rtc/rtc-tps80031.c
- include/linux/mfd/tps80031.h
Source Files
drivers/mfd/tps80031.c
drivers/regulator/tps80031-regulator.c
drivers/rtc/rtc-tps80031.c
Other Files
include/linux/mfd/tps80031.h
Enabling Driver Support
Configure kernel with "make menuconfig" (alternatively use "make xconfig" or"make nconfig")
Menuconfig Location
Symbol: MFD_TPS80031 [=y]Type : booleanPrompt: TI TPS80031/TPS80032 Power Management chips Location: -> Device Drivers -> Multifunction device drivers Defined at drivers/mfd/Kconfig:1157 Depends on: HAS_IOMEM [=y] && I2C [=y]=y Selects: MFD_CORE [=y] && REGMAP_I2C [=y] && REGMAP_IRQ [=y]Symbol: REGULATOR_TPS80031 [=y]Type : tristatePrompt: TI TPS80031/TPS80032 power regualtor driver Location: -> Device Drivers -> Voltage and Current Regulator Support (REGULATOR [=y]) Defined at drivers/regulator/Kconfig:723 Depends on: REGULATOR [=y] && MFD_TPS80031 [=y]Symbol: RTC_DRV_TPS80031 [=y]Type : tristatePrompt: TI TPS80031/TPS80032 RTC driver Location: -> Device Drivers -> Real Time Clock (RTC_CLASS [=y]) Defined at drivers/rtc/Kconfig:522 Depends on: RTC_CLASS [=y] && I2C [=y] && MFD_TPS80031 [=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.