LP8550SW-LINUX

适用于 LP8550 的 Linux 驱动程序

LP8550SW-LINUX

概述

The Linux driver supports the LP8550/1/2/3/5/6 and LP8557. The Linux driver supports communication through the I2C bus and interfaces with the backlight and PWM sub-system.

 

Linux Mainline Status

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

Supported Devices:

  • lp8550
  • lp8551
  • lp8552
  • lp8553
  • lp8555
  • lp8556
  • lp8557

 

Linux Source Files

The files associated with this device are:

  1. drivers/video/backlight/lp855x_bl.c
  2. Documentation/devicetree/bindings/leds/backlight/lp855x.txt
  3. include/linux/platform_data/lp855x.h

Source Files

drivers/video/backlight/lp855x_bl.c

Linux Device Tree Documenation

Documentation/devicetree/bindings/leds/backlight/lp855x.txt

Other Files

include/linux/platform_data/lp855x.h

 

Enabling Driver Support

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

Menuconfig Location

Symbol: BACKLIGHT_LP855X [=y]Type  : tristatePrompt: Backlight driver for TI LP855X  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:393  Depends on: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && I2C [=y] && PWM [=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.

 

背光 LED 驱动器
LP8550 用于笔记本电脑的高效 LED 背光驱动器 LP8551 适用于笔记本电脑的四通道高效 LED 背光驱动器,具有 VDDIO PWM 逻辑电平 LP8552 适用于笔记本电脑的六通道高效 LED 背光驱动器,采用 BGA 封装 LP8553 适用于笔记本电脑的四通道高效 LED 背光驱动器,具有 3.3V PWM 逻辑电平 LP8555 适用于平板电脑的高效 LED 背光驱动器 LP8556 6 通道高效 LED 背光驱动器 LP8557 适用于平板电脑的高效 LED 背光驱动器
下载 观看带字幕的视频 视频

支持与培训

可获得 TI E2E™ 论坛的工程师技术支持

查看全部论坛主题 查看英文版全部论坛主题

所有内容均由 TI 和社区贡献者按“原样”提供,并不构成 TI 规范。请参阅使用条款

如果您对质量、包装或订购 TI 产品有疑问,请参阅 TI 支持

视频