Version:  2.0.40 2.2.26 2.4.37 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5

Linux/drivers/leds/Kconfig

  1 config LEDS_GPIO_REGISTER
  2         bool
  3         help
  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
  6           module.
  7 
  8 menuconfig NEW_LEDS
  9         bool "LED Support"
 10         help
 11           Say Y to enable Linux LED support.  This allows control of supported
 12           LEDs from both userspace and optionally, by kernel events (triggers).
 13 
 14 if NEW_LEDS
 15 
 16 config LEDS_CLASS
 17         tristate "LED Class Support"
 18         help
 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.
 21 
 22 config LEDS_CLASS_FLASH
 23         tristate "LED Flash Class Support"
 24         depends on LEDS_CLASS
 25         help
 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
 30           as a module.
 31 
 32 comment "LED drivers"
 33 
 34 config LEDS_88PM860X
 35         tristate "LED Support for Marvell 88PM860x PMIC"
 36         depends on LEDS_CLASS
 37         depends on MFD_88PM860X
 38         help
 39           This option enables support for on-chip LED drivers found on Marvell
 40           Semiconductor 88PM8606 PMIC.
 41 
 42 config LEDS_AAT1290
 43         tristate "LED support for the AAT1290"
 44         depends on LEDS_CLASS_FLASH
 45         depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
 46         depends on GPIOLIB || COMPILE_TEST
 47         depends on OF
 48         depends on PINCTRL
 49         help
 50          This option enables support for the LEDs on the AAT1290.
 51 
 52 config LEDS_BCM6328
 53         tristate "LED Support for Broadcom BCM6328"
 54         depends on LEDS_CLASS
 55         depends on HAS_IOMEM
 56         depends on OF
 57         help
 58           This option enables support for LEDs connected to the BCM6328
 59           LED HW controller accessed via MMIO registers.
 60 
 61 config LEDS_BCM6358
 62         tristate "LED Support for Broadcom BCM6358"
 63         depends on LEDS_CLASS
 64         depends on HAS_IOMEM
 65         depends on OF
 66         help
 67           This option enables support for LEDs connected to the BCM6358
 68           LED HW controller accessed via MMIO registers.
 69 
 70 config LEDS_LM3530
 71         tristate "LCD Backlight driver for LM3530"
 72         depends on LEDS_CLASS
 73         depends on I2C
 74         help
 75           This option enables support for the LCD backlight using
 76           LM3530 ambient light sensor chip. This ALS chip can be
 77           controlled manually or using PWM input or using ambient
 78           light automatically.
 79 
 80 config LEDS_LM3533
 81         tristate "LED support for LM3533"
 82         depends on LEDS_CLASS
 83         depends on MFD_LM3533
 84         help
 85           This option enables support for the LEDs on National Semiconductor /
 86           TI LM3533 Lighting Power chips.
 87 
 88           The LEDs can be controlled directly, through PWM input, or by the
 89           ambient-light-sensor interface. The chip supports
 90           hardware-accelerated blinking with maximum on and off periods of 9.8
 91           and 77 seconds respectively.
 92 
 93 config LEDS_LM3642
 94         tristate "LED support for LM3642 Chip"
 95         depends on LEDS_CLASS && I2C
 96         select REGMAP_I2C
 97         help
 98           This option enables support for LEDs connected to LM3642.
 99           The LM3642 is a 4MHz fixed-frequency synchronous boost
100           converter plus 1.5A constant current driver for a high-current
101           white LED.
102 
103 
104 config LEDS_LOCOMO
105         tristate "LED Support for Locomo device"
106         depends on LEDS_CLASS
107         depends on SHARP_LOCOMO
108         help
109           This option enables support for the LEDs on Sharp Locomo.
110           Zaurus models SL-5500 and SL-5600.
111 
112 config LEDS_MIKROTIK_RB532
113         tristate "LED Support for Mikrotik Routerboard 532"
114         depends on LEDS_CLASS
115         depends on MIKROTIK_RB532
116         help
117           This option enables support for the so called "User LED" of
118           Mikrotik's Routerboard 532.
119 
120 config LEDS_S3C24XX
121         tristate "LED Support for Samsung S3C24XX GPIO LEDs"
122         depends on LEDS_CLASS
123         depends on ARCH_S3C24XX
124         help
125           This option enables support for LEDs connected to GPIO lines
126           on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
127 
128 config LEDS_NET48XX
129         tristate "LED Support for Soekris net48xx series Error LED"
130         depends on LEDS_CLASS
131         depends on SCx200_GPIO
132         help
133           This option enables support for the Soekris net4801 and net4826 error
134           LED.
135 
136 config LEDS_FSG
137         tristate "LED Support for the Freecom FSG-3"
138         depends on LEDS_CLASS
139         depends on MACH_FSG
140         help
141           This option enables support for the LEDs on the Freecom FSG-3.
142 
143 config LEDS_WRAP
144         tristate "LED Support for the WRAP series LEDs"
145         depends on LEDS_CLASS
146         depends on SCx200_GPIO
147         help
148           This option enables support for the PCEngines WRAP programmable LEDs.
149 
150 config LEDS_COBALT_QUBE
151         tristate "LED Support for the Cobalt Qube series front LED"
152         depends on LEDS_CLASS
153         depends on MIPS_COBALT
154         help
155           This option enables support for the front LED on Cobalt Qube series
156 
157 config LEDS_COBALT_RAQ
158         bool "LED Support for the Cobalt Raq series"
159         depends on LEDS_CLASS=y && MIPS_COBALT
160         select LEDS_TRIGGERS
161         help
162           This option enables support for the Cobalt Raq series LEDs.
163 
164 config LEDS_SUNFIRE
165         tristate "LED support for SunFire servers."
166         depends on LEDS_CLASS
167         depends on SPARC64
168         select LEDS_TRIGGERS
169         help
170           This option enables support for the Left, Middle, and Right
171           LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
172 
173 config LEDS_IPAQ_MICRO
174         tristate "LED Support for the Compaq iPAQ h3xxx"
175         depends on LEDS_CLASS
176         depends on MFD_IPAQ_MICRO
177         help
178           Choose this option if you want to use the notification LED on
179           Compaq/HP iPAQ h3100 and h3600.
180 
181 config LEDS_HP6XX
182         tristate "LED Support for the HP Jornada 6xx"
183         depends on LEDS_CLASS
184         depends on SH_HP6XX
185         help
186           This option enables LED support for the handheld
187           HP Jornada 620/660/680/690.
188 
189 config LEDS_PCA9532
190         tristate "LED driver for PCA9532 dimmer"
191         depends on LEDS_CLASS
192         depends on I2C && INPUT
193         help
194           This option enables support for NXP pca9532
195           LED controller. It is generally only useful
196           as a platform driver
197 
198 config LEDS_PCA9532_GPIO
199         bool "Enable GPIO support for PCA9532"
200         depends on LEDS_PCA9532
201         depends on GPIOLIB
202         help
203           Allow unused pins on PCA9532 to be used as gpio.
204 
205           To use a pin as gpio pca9532_type in pca9532_platform data needs to
206           set to PCA9532_TYPE_GPIO.
207 
208 config LEDS_GPIO
209         tristate "LED Support for GPIO connected LEDs"
210         depends on LEDS_CLASS
211         depends on GPIOLIB || COMPILE_TEST
212         help
213           This option enables support for the LEDs connected to GPIO
214           outputs. To be useful the particular board must have LEDs
215           and they must be connected to the GPIO lines.  The LEDs must be
216           defined as platform devices and/or OpenFirmware platform devices.
217           The code to use these bindings can be selected below.
218 
219 config LEDS_LP3944
220         tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
221         depends on LEDS_CLASS
222         depends on I2C
223         help
224           This option enables support for LEDs connected to the National
225           Semiconductor LP3944 Lighting Management Unit (LMU) also known as
226           Fun Light Chip.
227 
228           To compile this driver as a module, choose M here: the
229           module will be called leds-lp3944.
230 
231 config LEDS_LP55XX_COMMON
232         tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
233         depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
234         select FW_LOADER
235         select FW_LOADER_USER_HELPER
236         help
237           This option supports common operations for LP5521/5523/55231/5562/8501
238           devices.
239 
240 config LEDS_LP5521
241         tristate "LED Support for N.S. LP5521 LED driver chip"
242         depends on LEDS_CLASS && I2C
243         select LEDS_LP55XX_COMMON
244         help
245           If you say yes here you get support for the National Semiconductor
246           LP5521 LED driver. It is 3 channel chip with programmable engines.
247           Driver provides direct control via LED class and interface for
248           programming the engines.
249 
250 config LEDS_LP5523
251         tristate "LED Support for TI/National LP5523/55231 LED driver chip"
252         depends on LEDS_CLASS && I2C
253         select LEDS_LP55XX_COMMON
254         help
255           If you say yes here you get support for TI/National Semiconductor
256           LP5523/55231 LED driver.
257           It is 9 channel chip with programmable engines.
258           Driver provides direct control via LED class and interface for
259           programming the engines.
260 
261 config LEDS_LP5562
262         tristate "LED Support for TI LP5562 LED driver chip"
263         depends on LEDS_CLASS && I2C
264         select LEDS_LP55XX_COMMON
265         help
266           If you say yes here you get support for TI LP5562 LED driver.
267           It is 4 channels chip with programmable engines.
268           Driver provides direct control via LED class and interface for
269           programming the engines.
270 
271 config LEDS_LP8501
272         tristate "LED Support for TI LP8501 LED driver chip"
273         depends on LEDS_CLASS && I2C
274         select LEDS_LP55XX_COMMON
275         help
276           If you say yes here you get support for TI LP8501 LED driver.
277           It is 9 channel chip with programmable engines.
278           Driver provides direct control via LED class and interface for
279           programming the engines.
280           It is similar as LP5523, but output power selection is available.
281           And register layout and engine program schemes are different.
282 
283 config LEDS_LP8788
284         tristate "LED support for the TI LP8788 PMIC"
285         depends on LEDS_CLASS
286         depends on MFD_LP8788
287         help
288           This option enables support for the Keyboard LEDs on the LP8788 PMIC.
289 
290 config LEDS_LP8860
291         tristate "LED support for the TI LP8860 4 channel LED driver"
292         depends on LEDS_CLASS && I2C
293         select REGMAP_I2C
294         help
295           If you say yes here you get support for the TI LP8860 4 channel
296           LED driver.
297           This option enables support for the display cluster LEDs
298           on the LP8860 4 channel LED driver using the I2C communication
299           bus.
300 
301 config LEDS_CLEVO_MAIL
302         tristate "Mail LED on Clevo notebook"
303         depends on LEDS_CLASS
304         depends on X86 && SERIO_I8042 && DMI
305         help
306           This driver makes the mail LED accessible from userspace
307           programs through the leds subsystem. This LED have three
308           known mode: off, blink at 0.5Hz and blink at 1Hz.
309 
310           The driver supports two kinds of interface: using ledtrig-timer
311           or through /sys/class/leds/clevo::mail/brightness. As this LED
312           cannot change it's brightness it blinks instead. The brightness
313           value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
314           blink at 1Hz.
315 
316           This module can drive the mail LED for the following notebooks:
317 
318                 Clevo D400P
319                 Clevo D410J
320                 Clevo D410V
321                 Clevo D400V/D470V (not tested, but might work)
322                 Clevo M540N
323                 Clevo M5x0N (not tested, but might work)
324                 Positivo Mobile (Clevo M5x0V)
325 
326           If your model is not listed here you can try the "nodetect"
327           module parameter.
328 
329           To compile this driver as a module, choose M here: the
330           module will be called leds-clevo-mail.
331 
332 config LEDS_PCA955X
333         tristate "LED Support for PCA955x I2C chips"
334         depends on LEDS_CLASS
335         depends on I2C
336         help
337           This option enables support for LEDs connected to PCA955x
338           LED driver chips accessed via the I2C bus.  Supported
339           devices include PCA9550, PCA9551, PCA9552, and PCA9553.
340 
341 config LEDS_PCA963X
342         tristate "LED support for PCA963x I2C chip"
343         depends on LEDS_CLASS
344         depends on I2C
345         help
346           This option enables support for LEDs connected to the PCA963x
347           LED driver chip accessed via the I2C bus. Supported
348           devices include PCA9633 and PCA9634
349 
350 config LEDS_WM831X_STATUS
351         tristate "LED support for status LEDs on WM831x PMICs"
352         depends on LEDS_CLASS
353         depends on MFD_WM831X
354         help
355           This option enables support for the status LEDs of the WM831x
356           series of PMICs.
357 
358 config LEDS_WM8350
359         tristate "LED Support for WM8350 AudioPlus PMIC"
360         depends on LEDS_CLASS
361         depends on MFD_WM8350
362         help
363           This option enables support for LEDs driven by the Wolfson
364           Microelectronics WM8350 AudioPlus PMIC.
365 
366 config LEDS_DA903X
367         tristate "LED Support for DA9030/DA9034 PMIC"
368         depends on LEDS_CLASS
369         depends on PMIC_DA903X
370         help
371           This option enables support for on-chip LED drivers found
372           on Dialog Semiconductor DA9030/DA9034 PMICs.
373 
374 config LEDS_DA9052
375         tristate "Dialog DA9052/DA9053 LEDS"
376         depends on LEDS_CLASS
377         depends on PMIC_DA9052
378         help
379           This option enables support for on-chip LED drivers found
380           on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
381 
382 config LEDS_DAC124S085
383         tristate "LED Support for DAC124S085 SPI DAC"
384         depends on LEDS_CLASS
385         depends on SPI
386         help
387           This option enables support for DAC124S085 SPI DAC from NatSemi,
388           which can be used to control up to four LEDs.
389 
390 config LEDS_PWM
391         tristate "PWM driven LED Support"
392         depends on LEDS_CLASS
393         depends on PWM
394         help
395           This option enables support for pwm driven LEDs
396 
397 config LEDS_REGULATOR
398         tristate "REGULATOR driven LED support"
399         depends on LEDS_CLASS
400         depends on REGULATOR
401         help
402           This option enables support for regulator driven LEDs.
403 
404 config LEDS_BD2802
405         tristate "LED driver for BD2802 RGB LED"
406         depends on LEDS_CLASS
407         depends on I2C
408         help
409           This option enables support for BD2802GU RGB LED driver chips
410           accessed via the I2C bus.
411 
412 config LEDS_INTEL_SS4200
413         tristate "LED driver for Intel NAS SS4200 series"
414         depends on LEDS_CLASS
415         depends on PCI && DMI
416         help
417           This option enables support for the Intel SS4200 series of
418           Network Attached Storage servers.  You may control the hard
419           drive or power LEDs on the front panel.  Using this driver
420           can stop the front LED from blinking after startup.
421 
422 config LEDS_LT3593
423         tristate "LED driver for LT3593 controllers"
424         depends on LEDS_CLASS
425         depends on GPIOLIB || COMPILE_TEST
426         help
427           This option enables support for LEDs driven by a Linear Technology
428           LT3593 controller. This controller uses a special one-wire pulse
429           coding protocol to set the brightness.
430 
431 config LEDS_ADP5520
432         tristate "LED Support for ADP5520/ADP5501 PMIC"
433         depends on LEDS_CLASS
434         depends on PMIC_ADP5520
435         help
436           This option enables support for on-chip LED drivers found
437           on Analog Devices ADP5520/ADP5501 PMICs.
438 
439           To compile this driver as a module, choose M here: the module will
440           be called leds-adp5520.
441 
442 config LEDS_DELL_NETBOOKS
443         tristate "External LED on Dell Business Netbooks"
444         depends on LEDS_CLASS
445         depends on X86 && ACPI_WMI
446         help
447           This adds support for the Latitude 2100 and similar
448           notebooks that have an external LED.
449 
450 config LEDS_MC13783
451         tristate "LED Support for MC13XXX PMIC"
452         depends on LEDS_CLASS
453         depends on MFD_MC13XXX
454         help
455           This option enable support for on-chip LED drivers found
456           on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
457 
458 config LEDS_NS2
459         tristate "LED support for Network Space v2 GPIO LEDs"
460         depends on LEDS_CLASS
461         depends on MACH_KIRKWOOD || MACH_ARMADA_370
462         default y
463         help
464           This option enables support for the dual-GPIO LEDs found on the
465           following LaCie/Seagate boards:
466 
467                 Network Space v2 (and parents: Max, Mini)
468                 Internet Space v2
469                 d2 Network v2
470                 n090401 (Seagate NAS 4-Bay)
471 
472 config LEDS_NETXBIG
473         tristate "LED support for Big Network series LEDs"
474         depends on LEDS_CLASS
475         depends on MACH_KIRKWOOD
476         default y
477         help
478           This option enable support for LEDs found on the LaCie 2Big
479           and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
480           controlled through a GPIO extension bus.
481 
482 config LEDS_ASIC3
483         bool "LED support for the HTC ASIC3"
484         depends on LEDS_CLASS=y
485         depends on MFD_ASIC3
486         default y
487         help
488           This option enables support for the LEDs on the HTC ASIC3. The HTC
489           ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
490           cannot be used. This driver supports hardware blinking with an on+off
491           period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
492 
493 config LEDS_TCA6507
494         tristate "LED Support for TCA6507 I2C chip"
495         depends on LEDS_CLASS && I2C
496         help
497           This option enables support for LEDs connected to TC6507
498           LED driver chips accessed via the I2C bus.
499           Driver support brightness control and hardware-assisted blinking.
500 
501 config LEDS_TLC591XX
502         tristate "LED driver for TLC59108 and TLC59116 controllers"
503         depends on LEDS_CLASS && I2C
504         select REGMAP_I2C
505         help
506           This option enables support for Texas Instruments TLC59108
507           and TLC59116 LED controllers.
508 
509 config LEDS_MAX77693
510         tristate "LED support for MAX77693 Flash"
511         depends on LEDS_CLASS_FLASH
512         depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
513         depends on MFD_MAX77693
514         depends on OF
515         help
516           This option enables support for the flash part of the MAX77693
517           multifunction device. It has build in control for two leds in flash
518           and torch mode.
519 
520 config LEDS_MAX8997
521         tristate "LED support for MAX8997 PMIC"
522         depends on LEDS_CLASS && MFD_MAX8997
523         help
524           This option enables support for on-chip LED drivers on
525           MAXIM MAX8997 PMIC.
526 
527 config LEDS_LM355x
528         tristate "LED support for LM355x Chips, LM3554 and LM3556"
529         depends on LEDS_CLASS && I2C
530         select REGMAP_I2C
531         help
532           This option enables support for LEDs connected to LM355x.
533           LM355x includes Torch, Flash and Indicator functions.
534 
535 config LEDS_OT200
536         tristate "LED support for the Bachmann OT200"
537         depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
538         help
539           This option enables support for the LEDs on the Bachmann OT200.
540           Say Y to enable LEDs on the Bachmann OT200.
541 
542 config LEDS_MENF21BMC
543         tristate "LED support for the MEN 14F021P00 BMC"
544         depends on LEDS_CLASS && MFD_MENF21BMC
545         help
546           Say Y here to include support for the MEN 14F021P00 BMC LEDs.
547 
548           This driver can also be built as a module. If so the module
549           will be called leds-menf21bmc.
550 
551 config LEDS_KTD2692
552         tristate "LED support for KTD2692 flash LED controller"
553         depends on LEDS_CLASS_FLASH && OF
554         depends on GPIOLIB || COMPILE_TEST
555         help
556           This option enables support for KTD2692 LED flash connected
557           through ExpressWire interface.
558 
559           Say Y to enable this driver.
560 
561 config LEDS_SEAD3
562         tristate "LED support for the MIPS SEAD 3 board"
563         depends on LEDS_CLASS && MIPS_SEAD3
564         help
565           Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
566           boards.
567 
568           This driver can also be built as a module. If so the module
569           will be called leds-sead3.
570 
571 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
572 
573 config LEDS_BLINKM
574         tristate "LED support for the BlinkM I2C RGB LED"
575         depends on LEDS_CLASS
576         depends on I2C
577         help
578           This option enables support for the BlinkM RGB LED connected
579           through I2C. Say Y to enable support for the BlinkM LED.
580 
581 config LEDS_POWERNV
582         tristate "LED support for PowerNV Platform"
583         depends on LEDS_CLASS
584         depends on PPC_POWERNV
585         depends on OF
586         help
587           This option enables support for the system LEDs present on
588           PowerNV platforms. Say 'y' to enable this support in kernel.
589           To compile this driver as a module, choose 'm' here: the module
590           will be called leds-powernv.
591 
592 config LEDS_SYSCON
593         bool "LED support for LEDs on system controllers"
594         depends on LEDS_CLASS=y
595         depends on MFD_SYSCON
596         depends on OF
597         help
598           This option enabled support for the LEDs on syscon type
599           devices. This will only work with device tree enabled
600           devices.
601 
602 config LEDS_VERSATILE
603         tristate "LED support for the ARM Versatile and RealView"
604         depends on ARCH_REALVIEW || ARCH_VERSATILE
605         depends on LEDS_CLASS
606         help
607           This option enabled support for the LEDs on the ARM Versatile
608           and RealView boards. Say Y to enabled these.
609 
610 comment "LED Triggers"
611 source "drivers/leds/trigger/Kconfig"
612 
613 endif # NEW_LEDS

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