LM3533SW-LINUX

The Linux driver supports the LM3533 Complete lighting solution 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: Yes
Available through git.ti.com: N/A

Supported Devices:

• lm3533

Linux Source Files

The files associated with this device are:

1. drivers/iio/light/lm3533-als.c
2. drivers/leds/leds-lm3533.c
3. drivers/mfd/lm3533-core.c
4. drivers/mfd/lm3533-ctrlbank.c
5. drivers/video/backlight/lm3533_bl.c
6. include/linux/mfd/lm3533.h

Source Files

drivers/iio/light/lm3533-als.c
drivers/leds/leds-lm3533.c
drivers/mfd/lm3533-core.c
drivers/mfd/lm3533-ctrlbank.c
drivers/video/backlight/lm3533_bl.c

Other Files

include/linux/mfd/lm3533.h

Enabling Driver Support

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

Menuconfig Location

Symbol: SENSORS_LM3533 [=y]Type  : tristatePrompt: LM3533 ambient light sensor  Location:    -> Device Drivers      -> Industrial I/O support (IIO [=y])        -> Light sensors  Defined at drivers/iio/light/Kconfig:182  Depends on: IIO [=y] && MFD_LM3533 [=y]Symbol: LEDS_LM3533 [=y]Type  : tristatePrompt: LED support for LM3533  Location:    -> Device Drivers      -> LED Support (NEW_LEDS [=y])  Defined at drivers/leds/Kconfig:78  Depends on: NEW_LEDS [=y] && LEDS_CLASS [=y] && MFD_LM3533 [=y]Symbol: MFD_LM3533 [=y]Type  : tristatePrompt: TI/National Semiconductor LM3533 Lighting Power chip  Location:    -> Device Drivers      -> Multifunction device drivers  Defined at drivers/mfd/Kconfig:1279  Depends on: HAS_IOMEM [=y] && I2C [=y]  Selects: MFD_CORE [=y] && REGMAP_I2C [=y]Symbol: BACKLIGHT_LM3533 [=y]Type  : tristatePrompt: Backlight Driver for LM3533  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:209  Depends on: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && MFD_LM3533 [=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.