LM3532SW-LINUX

Linux Driver for LM3532

LM3532SW-LINUX

Overview

The Linux driver supports the LMU(Lighting Management Unit) devices for smartphone handsets. The Linux driver supports communication through the I2C bus and interfaces with various sub-systems.

 

Linux Mainline Status

Available in Linux Main line: No
Available through git.ti.com: https://git.ti.com/mlp-open-source/kernel/blobs/ti-lmu/

Supported Devices:

  • lm3532
  • lm36272
  • lm3631
  • lm3632
  • lm3695
  • lm3697

 

Linux Source Files

The files associated with this device are:

  1. drivers/mfd/ti-lmu.c
  2. drivers/regulator/lm363x-regulator.c
  3. drivers/video/backlight/ti-lmu-backlight-core.c
  4. drivers/video/backlight/ti-lmu-backlight-data.c
  5. Documentation/devicetree/bindings/mfd/ti-lmu.txt
  6. Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
  7. Documentation/devicetree/bindings/video/backlight/ti-lmu-backlight.txt
  8. include/linux/mfd/ti-lmu.h
  9. include/linux/mfd/ti-lmu-register.h
  10. include/linux/mfd/ti-lmu-backlight.h

Source Files

drivers/mfd/ti-lmu.c
drivers/regulator/lm363x-regulator.c
drivers/video/backlight/ti-lmu-backlight-core.c
drivers/video/backlight/ti-lmu-backlight-data.c

Linux Device Tree Documenation

Documentation/devicetree/bindings/mfd/ti-lmu.txt
Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
Documentation/devicetree/bindings/video/backlight/ti-lmu-backlight.txt

Other Files

include/linux/mfd/ti-lmu.h
include/linux/mfd/ti-lmu-register.h
include/linux/mfd/ti-lmu-backlight.h

 

Enabling Driver Support

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

Menuconfig Location

Symbol: REGULATOR_LM363X [=y]
Type  : tristate
Prompt: TI LM363X voltage regulators
  Location:
    -> Device Drivers
      -> Voltage and Current Regulator Support (REGULATOR [=y])
  Defined at drivers/regulator/Kconfig:294
  Depends on: REGULATOR [=y] && MFD_TI_LMU

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.

 

 

Backlight LED drivers
LM3532 High efficiency white LED driver with programmable Ambient Light Sensing Capability and I2C Compati LM36272 Two-channel LCD backlight and Bias power LM3631 Integrated WLED backlight driver and Bias power for LCD panels LM3632A Single-chip backlight with Bias power and 1.5-A flash LED driver LM3697 3 String backlight driver with 11-bits of Exponential dimming

Support & training

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