11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# Backlight & LCD drivers configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsmenuconfig BACKLIGHT_LCD_SUPPORT 61da177e4SLinus Torvalds bool "Backlight & LCD device support" 71da177e4SLinus Torvalds help 81da177e4SLinus Torvalds Enable this to be able to choose the drivers for controlling the 91da177e4SLinus Torvalds backlight and the LCD panel on some platforms, for example on PDAs. 101da177e4SLinus Torvalds 11fa9133c2SDavid Brownell# 12fa9133c2SDavid Brownell# LCD 13fa9133c2SDavid Brownell# 141da177e4SLinus Torvaldsconfig LCD_CLASS_DEVICE 151da177e4SLinus Torvalds tristate "Lowlevel LCD controls" 16256154fbSAntonino A. Daplas depends on BACKLIGHT_LCD_SUPPORT 171da177e4SLinus Torvalds default m 181da177e4SLinus Torvalds help 191da177e4SLinus Torvalds This framework adds support for low-level control of LCD. 201da177e4SLinus Torvalds Some framebuffer devices connect to platform-specific LCD modules 211da177e4SLinus Torvalds in order to have a platform-specific way to control the flat panel 221da177e4SLinus Torvalds (contrast and applying power to the LCD (not to the backlight!)). 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds To have support for your specific LCD panel you will have to 251da177e4SLinus Torvalds select the proper drivers which depend on this option. 261da177e4SLinus Torvalds 27*b18250a8SEric Miaoconfig LCD_CORGI 28*b18250a8SEric Miao tristate "LCD Panel support for SHARP corgi/spitz model" 29*b18250a8SEric Miao depends on LCD_CLASS_DEVICE && SPI_MASTER && PXA_SHARPSL 30*b18250a8SEric Miao help 31*b18250a8SEric Miao Say y here to support the LCD panels usually found on SHARP 32*b18250a8SEric Miao corgi (C7x0) and spitz (Cxx00) models. 33*b18250a8SEric Miao 3418f65c79SHaavard Skinnemoenconfig LCD_LTV350QV 3518f65c79SHaavard Skinnemoen tristate "Samsung LTV350QV LCD Panel" 3618f65c79SHaavard Skinnemoen depends on LCD_CLASS_DEVICE && SPI_MASTER 3718f65c79SHaavard Skinnemoen default n 3818f65c79SHaavard Skinnemoen help 3918f65c79SHaavard Skinnemoen If you have a Samsung LTV350QV LCD panel, say y to include a 4018f65c79SHaavard Skinnemoen power control driver for it. The panel starts up in power 4118f65c79SHaavard Skinnemoen off state, so you need this driver in order to see any 4218f65c79SHaavard Skinnemoen output. 4318f65c79SHaavard Skinnemoen 4418f65c79SHaavard Skinnemoen The LTV350QV panel is present on all ATSTK1000 boards. 4518f65c79SHaavard Skinnemoen 46cccb6d3cSBen Dooksconfig LCD_ILI9320 47cccb6d3cSBen Dooks tristate 48cccb6d3cSBen Dooks depends on LCD_CLASS_DEVICE && BACKLIGHT_LCD_SUPPORT 49cccb6d3cSBen Dooks default n 50cccb6d3cSBen Dooks help 51cccb6d3cSBen Dooks If you have a panel based on the ILI9320 controller chip 52cccb6d3cSBen Dooks then say y to include a power driver for it. 53cccb6d3cSBen Dooks 54cccb6d3cSBen Dooksconfig LCD_VGG2432A4 55cccb6d3cSBen Dooks tristate "VGG2432A4 LCM device support" 56cccb6d3cSBen Dooks depends on BACKLIGHT_LCD_SUPPORT && LCD_CLASS_DEVICE && SPI_MASTER 57cccb6d3cSBen Dooks select LCD_ILI9320 58cccb6d3cSBen Dooks default n 59cccb6d3cSBen Dooks help 60cccb6d3cSBen Dooks If you have a VGG2432A4 panel based on the ILI9320 controller chip 61cccb6d3cSBen Dooks then say y to include a power driver for it. 62cccb6d3cSBen Dooks 63c25826a7SBen Dooksconfig LCD_PLATFORM 64c25826a7SBen Dooks tristate "Platform LCD controls" 65c25826a7SBen Dooks depends on LCD_CLASS_DEVICE 66c25826a7SBen Dooks help 67c25826a7SBen Dooks This driver provides a platform-device registered LCD power 68c25826a7SBen Dooks control interface. 69c25826a7SBen Dooks 70fa9133c2SDavid Brownell# 71fa9133c2SDavid Brownell# Backlight 72fa9133c2SDavid Brownell# 73fa9133c2SDavid Brownellconfig BACKLIGHT_CLASS_DEVICE 74fa9133c2SDavid Brownell tristate "Lowlevel Backlight controls" 75fa9133c2SDavid Brownell depends on BACKLIGHT_LCD_SUPPORT 76fa9133c2SDavid Brownell default m 77fa9133c2SDavid Brownell help 78fa9133c2SDavid Brownell This framework adds support for low-level control of the LCD 79fa9133c2SDavid Brownell backlight. This includes support for brightness and power. 80fa9133c2SDavid Brownell 81fa9133c2SDavid Brownell To have support for your specific LCD panel you will have to 82fa9133c2SDavid Brownell select the proper drivers which depend on this option. 83fa9133c2SDavid Brownell 84a9a84c37SDavid Brownellconfig BACKLIGHT_ATMEL_LCDC 85a9a84c37SDavid Brownell bool "Atmel LCDC Contrast-as-Backlight control" 86a9a84c37SDavid Brownell depends on BACKLIGHT_CLASS_DEVICE && FB_ATMEL 87a9a84c37SDavid Brownell default y if MACH_SAM9261EK || MACH_SAM9263EK 88a9a84c37SDavid Brownell help 89a9a84c37SDavid Brownell This provides a backlight control internal to the Atmel LCDC 90a9a84c37SDavid Brownell driver. If the LCD "contrast control" on your board is wired 91a9a84c37SDavid Brownell so it controls the backlight brightness, select this option to 92a9a84c37SDavid Brownell export this as a PWM-based backlight control. 93a9a84c37SDavid Brownell 94a9a84c37SDavid Brownell If in doubt, it's safe to enable this option; it doesn't kick 95a9a84c37SDavid Brownell in unless the board's description says it's wired that way. 96a9a84c37SDavid Brownell 973e074058SHans-Christian Egtvedtconfig BACKLIGHT_ATMEL_PWM 983e074058SHans-Christian Egtvedt tristate "Atmel PWM backlight control" 993e074058SHans-Christian Egtvedt depends on BACKLIGHT_CLASS_DEVICE && ATMEL_PWM 1003e074058SHans-Christian Egtvedt default n 1013e074058SHans-Christian Egtvedt help 1023e074058SHans-Christian Egtvedt Say Y here if you want to use the PWM peripheral in Atmel AT91 and 1033e074058SHans-Christian Egtvedt AVR32 devices. This driver will need additional platform data to know 1043e074058SHans-Christian Egtvedt which PWM instance to use and how to configure it. 1053e074058SHans-Christian Egtvedt 1063e074058SHans-Christian Egtvedt To compile this driver as a module, choose M here: the module will be 1073e074058SHans-Christian Egtvedt called atmel-pwm-bl. 1083e074058SHans-Christian Egtvedt 1091da177e4SLinus Torvaldsconfig BACKLIGHT_CORGI 110c3f8f650SRichard Purdie tristate "Generic (aka Sharp Corgi) Backlight Driver" 111c3f8f650SRichard Purdie depends on BACKLIGHT_CLASS_DEVICE 112c3f8f650SRichard Purdie default n 1131da177e4SLinus Torvalds help 114c3f8f650SRichard Purdie Say y to enable the generic platform backlight driver previously 115c3f8f650SRichard Purdie known as the Corgi backlight driver. If you have a Sharp Zaurus 116c3f8f650SRichard Purdie SL-C7xx, SL-Cxx00 or SL-6000x say y. Most users can say n. 1171da177e4SLinus Torvalds 118e4423781SRichard Purdieconfig BACKLIGHT_LOCOMO 119e4423781SRichard Purdie tristate "Sharp LOCOMO LCD/Backlight Driver" 12034f18a71SRichard Purdie depends on BACKLIGHT_CLASS_DEVICE && SHARP_LOCOMO 121e4423781SRichard Purdie default y 122e4423781SRichard Purdie help 123e4423781SRichard Purdie If you have a Sharp Zaurus SL-5500 (Collie) or SL-5600 (Poodle) say y to 124e4423781SRichard Purdie enable the LCD/backlight driver. 125e4423781SRichard Purdie 126ec072b0fSAndrzej Zaborowskiconfig BACKLIGHT_OMAP1 127ec072b0fSAndrzej Zaborowski tristate "OMAP1 PWL-based LCD Backlight" 128ec072b0fSAndrzej Zaborowski depends on BACKLIGHT_CLASS_DEVICE && ARCH_OMAP1 129ec072b0fSAndrzej Zaborowski default y 130ec072b0fSAndrzej Zaborowski help 131ec072b0fSAndrzej Zaborowski This driver controls the LCD backlight level and power for 132ec072b0fSAndrzej Zaborowski the PWL module of OMAP1 processors. Say Y if your board 133ec072b0fSAndrzej Zaborowski uses this hardware. 134ec072b0fSAndrzej Zaborowski 13506c6f900SAndriy Skulyshconfig BACKLIGHT_HP680 13606c6f900SAndriy Skulysh tristate "HP Jornada 680 Backlight Driver" 13734f18a71SRichard Purdie depends on BACKLIGHT_CLASS_DEVICE && SH_HP6XX 13806c6f900SAndriy Skulysh default y 13906c6f900SAndriy Skulysh help 14006c6f900SAndriy Skulysh If you have a HP Jornada 680, say y to enable the 14106c6f900SAndriy Skulysh backlight driver. 14206c6f900SAndriy Skulysh 1437a208463SMarcin Juszkiewiczconfig BACKLIGHT_PROGEAR 1447a208463SMarcin Juszkiewicz tristate "Frontpath ProGear Backlight Driver" 14534f18a71SRichard Purdie depends on BACKLIGHT_CLASS_DEVICE && PCI && X86 1467a208463SMarcin Juszkiewicz default n 1477a208463SMarcin Juszkiewicz help 1487a208463SMarcin Juszkiewicz If you have a Frontpath ProGear say Y to enable the 1497a208463SMarcin Juszkiewicz backlight driver. 150dbe7e429SAlan Hourihane 151dbe7e429SAlan Hourihaneconfig BACKLIGHT_CARILLO_RANCH 152dbe7e429SAlan Hourihane tristate "Intel Carillo Ranch Backlight Driver" 153dbe7e429SAlan Hourihane depends on BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578 154dbe7e429SAlan Hourihane default n 155dbe7e429SAlan Hourihane help 156dbe7e429SAlan Hourihane If you have a Intel LE80578 (Carillo Ranch) say Y to enable the 157dbe7e429SAlan Hourihane backlight driver. 15842796d37Seric miao 15942796d37Seric miaoconfig BACKLIGHT_PWM 16042796d37Seric miao tristate "Generic PWM based Backlight Driver" 16142796d37Seric miao depends on BACKLIGHT_CLASS_DEVICE && HAVE_PWM 16242796d37Seric miao help 16342796d37Seric miao If you have a LCD backlight adjustable by PWM, say Y to enable 16442796d37Seric miao this driver. 1657be35c72SMatthew Garrett 1667be35c72SMatthew Garrettconfig BACKLIGHT_MBP_NVIDIA 1677be35c72SMatthew Garrett tristate "MacBook Pro Nvidia Backlight Driver" 1687be35c72SMatthew Garrett depends on BACKLIGHT_CLASS_DEVICE && X86 1697be35c72SMatthew Garrett default n 1707be35c72SMatthew Garrett help 1717be35c72SMatthew Garrett If you have an Apple Macbook Pro with Nvidia graphics hardware say Y 1727be35c72SMatthew Garrett to enable a driver for its backlight 1737be35c72SMatthew Garrett 174