1 config LEDS_GPIO_REGISTER
4 This option provides the function gpio_led_register_device.
5 As this function is used by arch code it must not be compiled as a
11 Say Y to enable Linux LED support. This allows control of supported
12 LEDs from both userspace and optionally, by kernel events (triggers).
17 tristate "LED Class Support"
19 This option enables the led sysfs class in /sys/class/leds. You'll
20 need this to do anything useful with LEDs. If unsure, say N.
22 config LEDS_CLASS_FLASH
23 tristate "LED Flash Class Support"
26 This option enables the flash led sysfs class in /sys/class/leds.
27 It wrapps LED Class and adds flash LEDs specific sysfs attributes
28 and kernel internal API to it. You'll need this to provide support
29 for the flash related features of a LED device. It can be built
35 tristate "LED Support for Marvell 88PM860x PMIC"
37 depends on MFD_88PM860X
39 This option enables support for on-chip LED drivers found on Marvell
40 Semiconductor 88PM8606 PMIC.
43 tristate "LCD Backlight driver for LM3530"
47 This option enables support for the LCD backlight using
48 LM3530 ambient light sensor chip. This ALS chip can be
49 controlled manually or using PWM input or using ambient
53 tristate "LED support for LM3533"
57 This option enables support for the LEDs on National Semiconductor /
58 TI LM3533 Lighting Power chips.
60 The LEDs can be controlled directly, through PWM input, or by the
61 ambient-light-sensor interface. The chip supports
62 hardware-accelerated blinking with maximum on and off periods of 9.8
63 and 77 seconds respectively.
66 tristate "LED support for LM3642 Chip"
67 depends on LEDS_CLASS && I2C
70 This option enables support for LEDs connected to LM3642.
71 The LM3642 is a 4MHz fixed-frequency synchronous boost
72 converter plus 1.5A constant current driver for a high-current
77 tristate "LED Support for Locomo device"
79 depends on SHARP_LOCOMO
81 This option enables support for the LEDs on Sharp Locomo.
82 Zaurus models SL-5500 and SL-5600.
84 config LEDS_MIKROTIK_RB532
85 tristate "LED Support for Mikrotik Routerboard 532"
87 depends on MIKROTIK_RB532
89 This option enables support for the so called "User LED" of
90 Mikrotik's Routerboard 532.
93 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
95 depends on ARCH_S3C24XX
97 This option enables support for LEDs connected to GPIO lines
98 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
101 tristate "LED Support for Soekris net48xx series Error LED"
102 depends on LEDS_CLASS
103 depends on SCx200_GPIO
105 This option enables support for the Soekris net4801 and net4826 error
109 tristate "LED Support for the Freecom FSG-3"
110 depends on LEDS_CLASS
113 This option enables support for the LEDs on the Freecom FSG-3.
116 tristate "LED Support for the WRAP series LEDs"
117 depends on LEDS_CLASS
118 depends on SCx200_GPIO
120 This option enables support for the PCEngines WRAP programmable LEDs.
122 config LEDS_COBALT_QUBE
123 tristate "LED Support for the Cobalt Qube series front LED"
124 depends on LEDS_CLASS
125 depends on MIPS_COBALT
127 This option enables support for the front LED on Cobalt Qube series
129 config LEDS_COBALT_RAQ
130 bool "LED Support for the Cobalt Raq series"
131 depends on LEDS_CLASS=y && MIPS_COBALT
134 This option enables support for the Cobalt Raq series LEDs.
137 tristate "LED support for SunFire servers."
138 depends on LEDS_CLASS
142 This option enables support for the Left, Middle, and Right
143 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
145 config LEDS_IPAQ_MICRO
146 tristate "LED Support for the Compaq iPAQ h3xxx"
147 depends on MFD_IPAQ_MICRO
149 Choose this option if you want to use the notification LED on
150 Compaq/HP iPAQ h3100 and h3600.
153 tristate "LED Support for the HP Jornada 6xx"
154 depends on LEDS_CLASS
157 This option enables LED support for the handheld
158 HP Jornada 620/660/680/690.
161 tristate "LED driver for PCA9532 dimmer"
162 depends on LEDS_CLASS
163 depends on I2C && INPUT
165 This option enables support for NXP pca9532
166 LED controller. It is generally only useful
169 config LEDS_PCA9532_GPIO
170 bool "Enable GPIO support for PCA9532"
171 depends on LEDS_PCA9532
174 Allow unused pins on PCA9532 to be used as gpio.
176 To use a pin as gpio pca9532_type in pca9532_platform data needs to
177 set to PCA9532_TYPE_GPIO.
180 tristate "LED Support for GPIO connected LEDs"
181 depends on LEDS_CLASS
184 This option enables support for the LEDs connected to GPIO
185 outputs. To be useful the particular board must have LEDs
186 and they must be connected to the GPIO lines. The LEDs must be
187 defined as platform devices and/or OpenFirmware platform devices.
188 The code to use these bindings can be selected below.
191 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
192 depends on LEDS_CLASS
195 This option enables support for LEDs connected to the National
196 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
199 To compile this driver as a module, choose M here: the
200 module will be called leds-lp3944.
202 config LEDS_LP55XX_COMMON
203 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
204 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
207 This option supports common operations for LP5521/5523/55231/5562/8501
211 tristate "LED Support for N.S. LP5521 LED driver chip"
212 depends on LEDS_CLASS && I2C
213 select LEDS_LP55XX_COMMON
215 If you say yes here you get support for the National Semiconductor
216 LP5521 LED driver. It is 3 channel chip with programmable engines.
217 Driver provides direct control via LED class and interface for
218 programming the engines.
221 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
222 depends on LEDS_CLASS && I2C
223 select LEDS_LP55XX_COMMON
225 If you say yes here you get support for TI/National Semiconductor
226 LP5523/55231 LED driver.
227 It is 9 channel chip with programmable engines.
228 Driver provides direct control via LED class and interface for
229 programming the engines.
232 tristate "LED Support for TI LP5562 LED driver chip"
233 depends on LEDS_CLASS && I2C
234 select LEDS_LP55XX_COMMON
236 If you say yes here you get support for TI LP5562 LED driver.
237 It is 4 channels chip with programmable engines.
238 Driver provides direct control via LED class and interface for
239 programming the engines.
242 tristate "LED Support for TI LP8501 LED driver chip"
243 depends on LEDS_CLASS && I2C
244 select LEDS_LP55XX_COMMON
246 If you say yes here you get support for TI LP8501 LED driver.
247 It is 9 channel chip with programmable engines.
248 Driver provides direct control via LED class and interface for
249 programming the engines.
250 It is similar as LP5523, but output power selection is available.
251 And register layout and engine program schemes are different.
254 tristate "LED support for the TI LP8788 PMIC"
255 depends on LEDS_CLASS
256 depends on MFD_LP8788
258 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
261 tristate "LED support for the TI LP8860 4 channel LED driver"
262 depends on LEDS_CLASS && I2C
265 If you say yes here you get support for the TI LP8860 4 channel
267 This option enables support for the display cluster LEDs
268 on the LP8860 4 channel LED driver using the I2C communication
271 config LEDS_CLEVO_MAIL
272 tristate "Mail LED on Clevo notebook"
273 depends on LEDS_CLASS
274 depends on X86 && SERIO_I8042 && DMI
276 This driver makes the mail LED accessible from userspace
277 programs through the leds subsystem. This LED have three
278 known mode: off, blink at 0.5Hz and blink at 1Hz.
280 The driver supports two kinds of interface: using ledtrig-timer
281 or through /sys/class/leds/clevo::mail/brightness. As this LED
282 cannot change it's brightness it blinks instead. The brightness
283 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
286 This module can drive the mail LED for the following notebooks:
291 Clevo D400V/D470V (not tested, but might work)
293 Clevo M5x0N (not tested, but might work)
294 Positivo Mobile (Clevo M5x0V)
296 If your model is not listed here you can try the "nodetect"
299 To compile this driver as a module, choose M here: the
300 module will be called leds-clevo-mail.
303 tristate "LED Support for PCA955x I2C chips"
304 depends on LEDS_CLASS
307 This option enables support for LEDs connected to PCA955x
308 LED driver chips accessed via the I2C bus. Supported
309 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
312 tristate "LED support for PCA963x I2C chip"
313 depends on LEDS_CLASS
316 This option enables support for LEDs connected to the PCA963x
317 LED driver chip accessed via the I2C bus. Supported
318 devices include PCA9633 and PCA9634
320 config LEDS_WM831X_STATUS
321 tristate "LED support for status LEDs on WM831x PMICs"
322 depends on LEDS_CLASS
323 depends on MFD_WM831X
325 This option enables support for the status LEDs of the WM831x
329 tristate "LED Support for WM8350 AudioPlus PMIC"
330 depends on LEDS_CLASS
331 depends on MFD_WM8350
333 This option enables support for LEDs driven by the Wolfson
334 Microelectronics WM8350 AudioPlus PMIC.
337 tristate "LED Support for DA9030/DA9034 PMIC"
338 depends on LEDS_CLASS
339 depends on PMIC_DA903X
341 This option enables support for on-chip LED drivers found
342 on Dialog Semiconductor DA9030/DA9034 PMICs.
345 tristate "Dialog DA9052/DA9053 LEDS"
346 depends on LEDS_CLASS
347 depends on PMIC_DA9052
349 This option enables support for on-chip LED drivers found
350 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
352 config LEDS_DAC124S085
353 tristate "LED Support for DAC124S085 SPI DAC"
354 depends on LEDS_CLASS
357 This option enables support for DAC124S085 SPI DAC from NatSemi,
358 which can be used to control up to four LEDs.
361 tristate "PWM driven LED Support"
362 depends on LEDS_CLASS
365 This option enables support for pwm driven LEDs
367 config LEDS_REGULATOR
368 tristate "REGULATOR driven LED support"
369 depends on LEDS_CLASS
372 This option enables support for regulator driven LEDs.
375 tristate "LED driver for BD2802 RGB LED"
376 depends on LEDS_CLASS
379 This option enables support for BD2802GU RGB LED driver chips
380 accessed via the I2C bus.
382 config LEDS_INTEL_SS4200
383 tristate "LED driver for Intel NAS SS4200 series"
384 depends on LEDS_CLASS
385 depends on PCI && DMI
387 This option enables support for the Intel SS4200 series of
388 Network Attached Storage servers. You may control the hard
389 drive or power LEDs on the front panel. Using this driver
390 can stop the front LED from blinking after startup.
393 tristate "LED driver for LT3593 controllers"
394 depends on LEDS_CLASS
397 This option enables support for LEDs driven by a Linear Technology
398 LT3593 controller. This controller uses a special one-wire pulse
399 coding protocol to set the brightness.
402 tristate "LED Support for ADP5520/ADP5501 PMIC"
403 depends on LEDS_CLASS
404 depends on PMIC_ADP5520
406 This option enables support for on-chip LED drivers found
407 on Analog Devices ADP5520/ADP5501 PMICs.
409 To compile this driver as a module, choose M here: the module will
410 be called leds-adp5520.
412 config LEDS_DELL_NETBOOKS
413 tristate "External LED on Dell Business Netbooks"
414 depends on LEDS_CLASS
415 depends on X86 && ACPI_WMI
417 This adds support for the Latitude 2100 and similar
418 notebooks that have an external LED.
421 tristate "LED Support for MC13XXX PMIC"
422 depends on LEDS_CLASS
423 depends on MFD_MC13XXX
425 This option enable support for on-chip LED drivers found
426 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
429 tristate "LED support for Network Space v2 GPIO LEDs"
430 depends on LEDS_CLASS
431 depends on MACH_KIRKWOOD
434 This option enable support for the dual-GPIO LED found on the
435 Network Space v2 board (and parents). This include Internet Space v2,
436 Network Space (Max) v2 and d2 Network v2 boards.
439 tristate "LED support for Big Network series LEDs"
440 depends on LEDS_CLASS
441 depends on MACH_KIRKWOOD
444 This option enable support for LEDs found on the LaCie 2Big
445 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
446 controlled through a GPIO extension bus.
449 bool "LED support for the HTC ASIC3"
450 depends on LEDS_CLASS=y
454 This option enables support for the LEDs on the HTC ASIC3. The HTC
455 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
456 cannot be used. This driver supports hardware blinking with an on+off
457 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
460 tristate "LED Support for TCA6507 I2C chip"
461 depends on LEDS_CLASS && I2C
463 This option enables support for LEDs connected to TC6507
464 LED driver chips accessed via the I2C bus.
465 Driver support brightness control and hardware-assisted blinking.
468 tristate "LED support for MAX8997 PMIC"
469 depends on LEDS_CLASS && MFD_MAX8997
471 This option enables support for on-chip LED drivers on
475 tristate "LED support for LM355x Chips, LM3554 and LM3556"
476 depends on LEDS_CLASS && I2C
479 This option enables support for LEDs connected to LM355x.
480 LM355x includes Torch, Flash and Indicator functions.
483 tristate "LED support for the Bachmann OT200"
484 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
486 This option enables support for the LEDs on the Bachmann OT200.
487 Say Y to enable LEDs on the Bachmann OT200.
489 config LEDS_MENF21BMC
490 tristate "LED support for the MEN 14F021P00 BMC"
491 depends on LEDS_CLASS && MFD_MENF21BMC
493 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
495 This driver can also be built as a module. If so the module
496 will be called leds-menf21bmc.
498 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
501 tristate "LED support for the BlinkM I2C RGB LED"
502 depends on LEDS_CLASS
505 This option enables support for the BlinkM RGB LED connected
506 through I2C. Say Y to enable support for the BlinkM LED.
509 bool "LED support for LEDs on system controllers"
510 depends on LEDS_CLASS=y
511 depends on MFD_SYSCON
514 This option enabled support for the LEDs on syscon type
515 devices. This will only work with device tree enabled
518 config LEDS_VERSATILE
519 tristate "LED support for the ARM Versatile and RealView"
520 depends on ARCH_REALVIEW || ARCH_VERSATILE
521 depends on LEDS_CLASS
523 This option enabled support for the LEDs on the ARM Versatile
524 and RealView boards. Say Y to enabled these.
526 config LEDS_PM8941_WLED
527 tristate "LED support for the Qualcomm PM8941 WLED block"
528 depends on LEDS_CLASS
531 This option enables support for the 'White' LED block
532 on Qualcomm PM8941 PMICs.
534 comment "LED Triggers"
535 source "drivers/leds/trigger/Kconfig"