forked from Minki/linux
a6d511e515
TI's TCA6507 is the LED driver in the GTA04 Openmoko motherboard. The driver provides full support for brightness levels and hardware blinking. This driver can drive each of 7 outputs as an LED or a GPIO output, and provides hardware-assist blinking. [akpm@linux-foundation.org: fix __mod_i2c_device_table alias] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NeilBrown <neilb@suse.de> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
470 lines
14 KiB
Plaintext
470 lines
14 KiB
Plaintext
config LEDS_GPIO_REGISTER
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bool
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help
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This option provides the function gpio_led_register_device.
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As this function is used by arch code it must not be compiled as a
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module.
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menuconfig NEW_LEDS
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bool "LED Support"
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help
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Say Y to enable Linux LED support. This allows control of supported
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LEDs from both userspace and optionally, by kernel events (triggers).
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This is not related to standard keyboard LEDs which are controlled
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via the input system.
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if NEW_LEDS
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config LEDS_CLASS
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bool "LED Class Support"
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help
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This option enables the led sysfs class in /sys/class/leds. You'll
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need this to do anything useful with LEDs. If unsure, say N.
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comment "LED drivers"
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config LEDS_88PM860X
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tristate "LED Support for Marvell 88PM860x PMIC"
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depends on LEDS_CLASS
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depends on MFD_88PM860X
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help
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This option enables support for on-chip LED drivers found on Marvell
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Semiconductor 88PM8606 PMIC.
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config LEDS_ATMEL_PWM
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tristate "LED Support using Atmel PWM outputs"
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depends on LEDS_CLASS
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depends on ATMEL_PWM
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help
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This option enables support for LEDs driven using outputs
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of the dedicated PWM controller found on newer Atmel SOCs.
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config LEDS_LM3530
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tristate "LCD Backlight driver for LM3530"
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depends on LEDS_CLASS
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depends on I2C
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help
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This option enables support for the LCD backlight using
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LM3530 ambient light sensor chip. This ALS chip can be
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controlled manually or using PWM input or using ambient
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light automatically.
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config LEDS_LOCOMO
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tristate "LED Support for Locomo device"
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depends on LEDS_CLASS
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depends on SHARP_LOCOMO
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help
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This option enables support for the LEDs on Sharp Locomo.
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Zaurus models SL-5500 and SL-5600.
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config LEDS_MIKROTIK_RB532
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tristate "LED Support for Mikrotik Routerboard 532"
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depends on LEDS_CLASS
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depends on MIKROTIK_RB532
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help
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This option enables support for the so called "User LED" of
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Mikrotik's Routerboard 532.
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config LEDS_S3C24XX
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tristate "LED Support for Samsung S3C24XX GPIO LEDs"
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depends on LEDS_CLASS
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depends on ARCH_S3C2410
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help
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This option enables support for LEDs connected to GPIO lines
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on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
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config LEDS_AMS_DELTA
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tristate "LED Support for the Amstrad Delta (E3)"
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depends on LEDS_CLASS
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depends on MACH_AMS_DELTA
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help
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This option enables support for the LEDs on Amstrad Delta (E3).
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config LEDS_NET48XX
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tristate "LED Support for Soekris net48xx series Error LED"
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depends on LEDS_CLASS
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depends on SCx200_GPIO
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help
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This option enables support for the Soekris net4801 and net4826 error
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LED.
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config LEDS_NET5501
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tristate "LED Support for Soekris net5501 series Error LED"
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depends on LEDS_TRIGGERS
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depends on X86 && GPIO_CS5535
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select LEDS_TRIGGER_DEFAULT_ON
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default n
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help
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Add support for the Soekris net5501 board (detection, error led
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and GPIO).
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config LEDS_FSG
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tristate "LED Support for the Freecom FSG-3"
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depends on LEDS_CLASS
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depends on MACH_FSG
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help
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This option enables support for the LEDs on the Freecom FSG-3.
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config LEDS_WRAP
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tristate "LED Support for the WRAP series LEDs"
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depends on LEDS_CLASS
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depends on SCx200_GPIO
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help
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This option enables support for the PCEngines WRAP programmable LEDs.
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config LEDS_COBALT_QUBE
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tristate "LED Support for the Cobalt Qube series front LED"
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depends on LEDS_CLASS
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depends on MIPS_COBALT
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help
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This option enables support for the front LED on Cobalt Qube series
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config LEDS_COBALT_RAQ
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bool "LED Support for the Cobalt Raq series"
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depends on LEDS_CLASS=y && MIPS_COBALT
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select LEDS_TRIGGERS
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help
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This option enables support for the Cobalt Raq series LEDs.
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config LEDS_SUNFIRE
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tristate "LED support for SunFire servers."
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depends on LEDS_CLASS
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depends on SPARC64
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select LEDS_TRIGGERS
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help
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This option enables support for the Left, Middle, and Right
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LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
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config LEDS_HP6XX
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tristate "LED Support for the HP Jornada 6xx"
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depends on LEDS_CLASS
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depends on SH_HP6XX
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help
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This option enables LED support for the handheld
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HP Jornada 620/660/680/690.
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config LEDS_PCA9532
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tristate "LED driver for PCA9532 dimmer"
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depends on LEDS_CLASS
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depends on I2C && INPUT && EXPERIMENTAL
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help
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This option enables support for NXP pca9532
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LED controller. It is generally only useful
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as a platform driver
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config LEDS_PCA9532_GPIO
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bool "Enable GPIO support for PCA9532"
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depends on LEDS_PCA9532
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depends on GPIOLIB
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help
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Allow unused pins on PCA9532 to be used as gpio.
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To use a pin as gpio pca9532_type in pca9532_platform data needs to
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set to PCA9532_TYPE_GPIO.
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config LEDS_GPIO
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tristate "LED Support for GPIO connected LEDs"
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depends on LEDS_CLASS
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depends on GENERIC_GPIO
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help
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This option enables support for the LEDs connected to GPIO
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outputs. To be useful the particular board must have LEDs
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and they must be connected to the GPIO lines. The LEDs must be
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defined as platform devices and/or OpenFirmware platform devices.
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The code to use these bindings can be selected below.
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config LEDS_LP3944
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tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
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depends on LEDS_CLASS
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depends on I2C
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help
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This option enables support for LEDs connected to the National
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Semiconductor LP3944 Lighting Management Unit (LMU) also known as
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Fun Light Chip.
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To compile this driver as a module, choose M here: the
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module will be called leds-lp3944.
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config LEDS_LP5521
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tristate "LED Support for N.S. LP5521 LED driver chip"
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depends on LEDS_CLASS && I2C
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help
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If you say yes here you get support for the National Semiconductor
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LP5521 LED driver. It is 3 channel chip with programmable engines.
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Driver provides direct control via LED class and interface for
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programming the engines.
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config LEDS_LP5523
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tristate "LED Support for N.S. LP5523 LED driver chip"
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depends on LEDS_CLASS && I2C
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help
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If you say yes here you get support for the National Semiconductor
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LP5523 LED driver. It is 9 channel chip with programmable engines.
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Driver provides direct control via LED class and interface for
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programming the engines.
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config LEDS_CLEVO_MAIL
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tristate "Mail LED on Clevo notebook"
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depends on LEDS_CLASS
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depends on X86 && SERIO_I8042 && DMI
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help
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This driver makes the mail LED accessible from userspace
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programs through the leds subsystem. This LED have three
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known mode: off, blink at 0.5Hz and blink at 1Hz.
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The driver supports two kinds of interface: using ledtrig-timer
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or through /sys/class/leds/clevo::mail/brightness. As this LED
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cannot change it's brightness it blinks instead. The brightness
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value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
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blink at 1Hz.
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This module can drive the mail LED for the following notebooks:
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Clevo D400P
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Clevo D410J
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Clevo D410V
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Clevo D400V/D470V (not tested, but might work)
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Clevo M540N
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Clevo M5x0N (not tested, but might work)
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Positivo Mobile (Clevo M5x0V)
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If your model is not listed here you can try the "nodetect"
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module parameter.
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To compile this driver as a module, choose M here: the
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module will be called leds-clevo-mail.
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config LEDS_PCA955X
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tristate "LED Support for PCA955x I2C chips"
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depends on LEDS_CLASS
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depends on I2C
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help
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This option enables support for LEDs connected to PCA955x
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LED driver chips accessed via the I2C bus. Supported
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devices include PCA9550, PCA9551, PCA9552, and PCA9553.
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config LEDS_WM831X_STATUS
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tristate "LED support for status LEDs on WM831x PMICs"
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depends on LEDS_CLASS
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depends on MFD_WM831X
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help
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This option enables support for the status LEDs of the WM831x
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series of PMICs.
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config LEDS_WM8350
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tristate "LED Support for WM8350 AudioPlus PMIC"
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depends on LEDS_CLASS
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depends on MFD_WM8350
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help
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This option enables support for LEDs driven by the Wolfson
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Microelectronics WM8350 AudioPlus PMIC.
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config LEDS_DA903X
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tristate "LED Support for DA9030/DA9034 PMIC"
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depends on LEDS_CLASS
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depends on PMIC_DA903X
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help
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This option enables support for on-chip LED drivers found
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on Dialog Semiconductor DA9030/DA9034 PMICs.
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config LEDS_DAC124S085
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tristate "LED Support for DAC124S085 SPI DAC"
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depends on LEDS_CLASS
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depends on SPI
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help
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This option enables support for DAC124S085 SPI DAC from NatSemi,
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which can be used to control up to four LEDs.
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config LEDS_PWM
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tristate "PWM driven LED Support"
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depends on LEDS_CLASS
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depends on HAVE_PWM
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help
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This option enables support for pwm driven LEDs
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config LEDS_REGULATOR
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tristate "REGULATOR driven LED support"
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depends on LEDS_CLASS
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depends on REGULATOR
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help
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This option enables support for regulator driven LEDs.
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config LEDS_BD2802
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tristate "LED driver for BD2802 RGB LED"
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depends on LEDS_CLASS
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depends on I2C
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help
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This option enables support for BD2802GU RGB LED driver chips
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accessed via the I2C bus.
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config LEDS_INTEL_SS4200
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tristate "LED driver for Intel NAS SS4200 series"
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depends on LEDS_CLASS
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depends on PCI && DMI
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help
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This option enables support for the Intel SS4200 series of
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Network Attached Storage servers. You may control the hard
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drive or power LEDs on the front panel. Using this driver
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can stop the front LED from blinking after startup.
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config LEDS_LT3593
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tristate "LED driver for LT3593 controllers"
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depends on LEDS_CLASS
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depends on GENERIC_GPIO
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help
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This option enables support for LEDs driven by a Linear Technology
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LT3593 controller. This controller uses a special one-wire pulse
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coding protocol to set the brightness.
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config LEDS_ADP5520
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tristate "LED Support for ADP5520/ADP5501 PMIC"
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depends on LEDS_CLASS
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depends on PMIC_ADP5520
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help
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This option enables support for on-chip LED drivers found
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on Analog Devices ADP5520/ADP5501 PMICs.
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To compile this driver as a module, choose M here: the module will
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be called leds-adp5520.
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config LEDS_DELL_NETBOOKS
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tristate "External LED on Dell Business Netbooks"
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depends on LEDS_CLASS
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depends on X86 && ACPI_WMI
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help
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This adds support for the Latitude 2100 and similar
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notebooks that have an external LED.
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config LEDS_MC13783
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tristate "LED Support for MC13783 PMIC"
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depends on LEDS_CLASS
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depends on MFD_MC13783
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help
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This option enable support for on-chip LED drivers found
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on Freescale Semiconductor MC13783 PMIC.
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config LEDS_NS2
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tristate "LED support for Network Space v2 GPIO LEDs"
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depends on LEDS_CLASS
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depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || \
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MACH_NETSPACE_MAX_V2 || MACH_D2NET_V2
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default y
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help
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This option enable support for the dual-GPIO LED found on the
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Network Space v2 board (and parents). This include Internet Space v2,
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Network Space (Max) v2 and d2 Network v2 boards.
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config LEDS_NETXBIG
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tristate "LED support for Big Network series LEDs"
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depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
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depends on LEDS_CLASS
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default y
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help
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This option enable support for LEDs found on the LaCie 2Big
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and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
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controlled through a GPIO extension bus.
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config LEDS_ASIC3
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bool "LED support for the HTC ASIC3"
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depends on LEDS_CLASS
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depends on MFD_ASIC3
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default y
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help
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This option enables support for the LEDs on the HTC ASIC3. The HTC
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ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
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cannot be used. This driver supports hardware blinking with an on+off
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period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
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config LEDS_RENESAS_TPU
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bool "LED support for Renesas TPU"
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depends on LEDS_CLASS && HAVE_CLK && GENERIC_GPIO
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help
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This option enables build of the LED TPU platform driver,
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suitable to drive any TPU channel on newer Renesas SoCs.
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The driver controls the GPIO pin connected to the LED via
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the GPIO framework and expects the LED to be connected to
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a pin that can be driven in both GPIO mode and using TPU
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pin function. The latter to support brightness control.
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Brightness control is supported but hardware blinking is not.
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config LEDS_TCA6507
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tristate "LED Support for TCA6507 I2C chip"
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depends on LEDS_CLASS && I2C
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help
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This option enables support for LEDs connected to TC6507
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LED driver chips accessed via the I2C bus.
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Driver support brightness control and hardware-assisted blinking.
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config LEDS_TRIGGERS
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bool "LED Trigger support"
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depends on LEDS_CLASS
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help
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This option enables trigger support for the leds class.
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These triggers allow kernel events to drive the LEDs and can
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be configured via sysfs. If unsure, say Y.
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comment "LED Triggers"
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config LEDS_TRIGGER_TIMER
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tristate "LED Timer Trigger"
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depends on LEDS_TRIGGERS
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help
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This allows LEDs to be controlled by a programmable timer
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via sysfs. Some LED hardware can be programmed to start
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blinking the LED without any further software interaction.
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For more details read Documentation/leds/leds-class.txt.
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If unsure, say Y.
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config LEDS_TRIGGER_IDE_DISK
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bool "LED IDE Disk Trigger"
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depends on IDE_GD_ATA
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depends on LEDS_TRIGGERS
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help
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This allows LEDs to be controlled by IDE disk activity.
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If unsure, say Y.
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config LEDS_TRIGGER_HEARTBEAT
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tristate "LED Heartbeat Trigger"
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depends on LEDS_TRIGGERS
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help
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This allows LEDs to be controlled by a CPU load average.
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The flash frequency is a hyperbolic function of the 1-minute
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load average.
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If unsure, say Y.
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config LEDS_TRIGGER_BACKLIGHT
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tristate "LED backlight Trigger"
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depends on LEDS_TRIGGERS
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help
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This allows LEDs to be controlled as a backlight device: they
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turn off and on when the display is blanked and unblanked.
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If unsure, say N.
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config LEDS_TRIGGER_GPIO
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tristate "LED GPIO Trigger"
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depends on LEDS_TRIGGERS
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depends on GPIOLIB
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help
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This allows LEDs to be controlled by gpio events. It's good
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when using gpios as switches and triggering the needed LEDs
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from there. One use case is n810's keypad LEDs that could
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be triggered by this trigger when user slides up to show
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keypad.
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If unsure, say N.
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config LEDS_TRIGGER_DEFAULT_ON
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tristate "LED Default ON Trigger"
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depends on LEDS_TRIGGERS
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help
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This allows LEDs to be initialised in the ON state.
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If unsure, say Y.
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comment "iptables trigger is under Netfilter config (LED target)"
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depends on LEDS_TRIGGERS
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endif # NEW_LEDS
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