Linux Driver for LM355X LM355XSW-LINUX (ACTIVE)

Description & Features

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Description

The Linux driver supports the LM355X 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:

  • lm3554
  • lm3556

 

Linux Source Files

The files associated with this device are:

  1. drivers/leds/leds-lm355x.c
  2. include/linux/platform_data/leds-lm355x.h

Source Files

drivers/leds/leds-lm355x.c

Other Files

include/linux/platform_data/leds-lm355x.h

 

Enabling Driver Support

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

Menuconfig Location

Symbol: LEDS_LM355x [=y]
Type  : tristate
Prompt: LED support for LM355x Chips, LM3554 and LM3556
  Location:
    -> Device Drivers
      -> LED Support (NEW_LEDS [=y])
  Defined at drivers/leds/Kconfig:520
  Depends on: NEW_LEDS [=y] && LEDS_CLASS [=y] && I2C [=y]
  Selects: REGMAP_I2C [=y]

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.

 

TI Devices (2)

Part Number Name Product Family
LM3554  Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface  LED drivers 
LM3556  LM3556 1.5A Inductive White LED Camera Flash Device  LED drivers 

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