Linux Driver for LP5523



The Linux driver supports the LP5523 series of LED Drivers. The Linux driver supports communication through the I2C bus and interfaces with the LED sub-system.


Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

  • lp5523
  • lp55231


Linux Source Files

The files associated with this device are:

  1. drivers/leds/leds-lp5523.c
  2. Documentation/devicetree/bindings/leds/leds-lp55xx.txt
  3. include/linux/platform_data/leds-lp55xx.h
  4. drivers/leds/leds-lp55xx-common.h
  5. Documentation/leds/leds-lp5523.txt
  6. Documentation/leds/leds-lp55xx.txt

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: LEDS_LP5523 [=y]Type  : tristatePrompt: LED Support for TI/National LP5523/55231 LED driver chip  Location:    -> Device Drivers      -> LED Support (NEW_LEDS [=y])  Defined at drivers/leds/Kconfig:247  Depends on: NEW_LEDS [=y] && LEDS_CLASS [=y] && I2C [=y]  Selects: LEDS_LP55XX_COMMON [=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.


RGB LED drivers
LP5523 9-channel RGB/White LED driver with internal program memory and integrated charge Pump - DSBGA LP55231 9 channel RGB / White LED driver with internal program memory and integrated charge Pump - WQFN
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