用于 LM355X 的 Linux 驱动程序



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


Other Files



Enabling Driver Support

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

Menuconfig Location

Symbol: LEDS_LM355x [=y]Type  : tristatePrompt: 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 thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.


照明 LED 驱动器
LM3554 具有 1.2A 双通道高侧 LED 驱动器和 I2C 兼容接口的同步升压转换器 LM3556 LM3556 1.5A 感应式白光 LED 相机闪存器件
下载 观看带字幕的视频 视频


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