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

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

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