Version:  2.0.40 2.2.26 2.4.37 3.3 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

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

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