Linux Driver for TPS65217



The Linux driver supports the TPS65217 Power Management IC. The Linux driver supports communication through the I2C bus and interfaces with the regulator and backlight sub-systems to regulate power and control backlight LEDs.

Linux Mainline Status

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

Supported Devices:

  • tps65217


Linux Source Files

The files associated with this device are:

  1. drivers/mfd/tps65217.c
  2. drivers/regulator/tps65217-regulator.c
  3. drivers/video/backlight/tps65217_bl.c
  4. Documentation/devicetree/bindings/regulator/tps65217.txt
  5. Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt
  6. include/linux/mfd/tps65217.h
  7. arch/arm/boot/dts/tps65217.dtsi

Source Files


Linux Device Tree Documenation


Other Files



Enabling Driver Support

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

Menuconfig Location

Symbol: MFD_TPS65217 [=y]Type  : tristatePrompt: TI TPS65217 Power Management / White LED chips  Location:    -> Device Drivers      -> Multifunction device drivers  Defined at drivers/mfd/Kconfig:1073  Depends on: HAS_IOMEM [=y] && I2C [=y]  Selects: MFD_CORE [=y] && REGMAP_I2C [=y]Symbol: REGULATOR_TPS65217 [=y]Type  : tristatePrompt: TI TPS65217 Power regulators  Location:    -> Device Drivers      -> Voltage and Current Regulator Support (REGULATOR [=y])  Defined at drivers/regulator/Kconfig:677  Depends on: REGULATOR [=y] && MFD_TPS65217 [=y]Symbol: BACKLIGHT_TPS65217 [=y]Type  : tristatePrompt: TPS65217 Backlight  Location:    -> Device Drivers      -> Graphics support        -> Backlight & LCD device support (BACKLIGHT_LCD_SUPPORT [=y])          -> Lowlevel Backlight controls (BACKLIGHT_CLASS_DEVICE [=y])  Defined at drivers/video/backlight/Kconfig:423  Depends on: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && MFD_TPS65217 [=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.



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