Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 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

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

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