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 "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
50 This option enables support for the LEDs on the AAT1290.
53 tristate "LED Support for Broadcom BCM6328"
58 This option enables support for LEDs connected to the BCM6328
59 LED HW controller accessed via MMIO registers.
62 tristate "LED Support for Broadcom BCM6358"
67 This option enables support for LEDs connected to the BCM6358
68 LED HW controller accessed via MMIO registers.
71 tristate "LCD Backlight driver for LM3530"
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
81 tristate "LED support for LM3533"
85 This option enables support for the LEDs on National Semiconductor /
86 TI LM3533 Lighting Power chips.
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.
94 tristate "LED support for LM3642 Chip"
95 depends on LEDS_CLASS && I2C
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
105 tristate "LED Support for Locomo device"
106 depends on LEDS_CLASS
107 depends on SHARP_LOCOMO
109 This option enables support for the LEDs on Sharp Locomo.
110 Zaurus models SL-5500 and SL-5600.
112 config LEDS_MIKROTIK_RB532
113 tristate "LED Support for Mikrotik Routerboard 532"
114 depends on LEDS_CLASS
115 depends on MIKROTIK_RB532
117 This option enables support for the so called "User LED" of
118 Mikrotik's Routerboard 532.
121 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
122 depends on LEDS_CLASS
123 depends on ARCH_S3C24XX
125 This option enables support for LEDs connected to GPIO lines
126 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
129 tristate "LED Support for Soekris net48xx series Error LED"
130 depends on LEDS_CLASS
131 depends on SCx200_GPIO
133 This option enables support for the Soekris net4801 and net4826 error
137 tristate "LED Support for the Freecom FSG-3"
138 depends on LEDS_CLASS
141 This option enables support for the LEDs on the Freecom FSG-3.
144 tristate "LED Support for the WRAP series LEDs"
145 depends on LEDS_CLASS
146 depends on SCx200_GPIO
148 This option enables support for the PCEngines WRAP programmable LEDs.
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
155 This option enables support for the front LED on Cobalt Qube series
157 config LEDS_COBALT_RAQ
158 bool "LED Support for the Cobalt Raq series"
159 depends on LEDS_CLASS=y && MIPS_COBALT
162 This option enables support for the Cobalt Raq series LEDs.
165 tristate "LED support for SunFire servers."
166 depends on LEDS_CLASS
170 This option enables support for the Left, Middle, and Right
171 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
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
178 Choose this option if you want to use the notification LED on
179 Compaq/HP iPAQ h3100 and h3600.
182 tristate "LED Support for the HP Jornada 6xx"
183 depends on LEDS_CLASS
186 This option enables LED support for the handheld
187 HP Jornada 620/660/680/690.
190 tristate "LED driver for PCA9532 dimmer"
191 depends on LEDS_CLASS
192 depends on I2C && INPUT
194 This option enables support for NXP pca9532
195 LED controller. It is generally only useful
198 config LEDS_PCA9532_GPIO
199 bool "Enable GPIO support for PCA9532"
200 depends on LEDS_PCA9532
203 Allow unused pins on PCA9532 to be used as gpio.
205 To use a pin as gpio pca9532_type in pca9532_platform data needs to
206 set to PCA9532_TYPE_GPIO.
209 tristate "LED Support for GPIO connected LEDs"
210 depends on LEDS_CLASS
211 depends on GPIOLIB || COMPILE_TEST
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.
220 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
221 depends on LEDS_CLASS
224 This option enables support for LEDs connected to the National
225 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
228 To compile this driver as a module, choose M here: the
229 module will be called leds-lp3944.
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
235 select FW_LOADER_USER_HELPER
237 This option supports common operations for LP5521/5523/55231/5562/8501
241 tristate "LED Support for N.S. LP5521 LED driver chip"
242 depends on LEDS_CLASS && I2C
243 select LEDS_LP55XX_COMMON
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.
251 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
252 depends on LEDS_CLASS && I2C
253 select LEDS_LP55XX_COMMON
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.
262 tristate "LED Support for TI LP5562 LED driver chip"
263 depends on LEDS_CLASS && I2C
264 select LEDS_LP55XX_COMMON
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.
272 tristate "LED Support for TI LP8501 LED driver chip"
273 depends on LEDS_CLASS && I2C
274 select LEDS_LP55XX_COMMON
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.
284 tristate "LED support for the TI LP8788 PMIC"
285 depends on LEDS_CLASS
286 depends on MFD_LP8788
288 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
291 tristate "LED support for the TI LP8860 4 channel LED driver"
292 depends on LEDS_CLASS && I2C
295 If you say yes here you get support for the TI LP8860 4 channel
297 This option enables support for the display cluster LEDs
298 on the LP8860 4 channel LED driver using the I2C communication
301 config LEDS_CLEVO_MAIL
302 tristate "Mail LED on Clevo notebook"
303 depends on LEDS_CLASS
304 depends on X86 && SERIO_I8042 && DMI
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.
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
316 This module can drive the mail LED for the following notebooks:
321 Clevo D400V/D470V (not tested, but might work)
323 Clevo M5x0N (not tested, but might work)
324 Positivo Mobile (Clevo M5x0V)
326 If your model is not listed here you can try the "nodetect"
329 To compile this driver as a module, choose M here: the
330 module will be called leds-clevo-mail.
333 tristate "LED Support for PCA955x I2C chips"
334 depends on LEDS_CLASS
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.
342 tristate "LED support for PCA963x I2C chip"
343 depends on LEDS_CLASS
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
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
355 This option enables support for the status LEDs of the WM831x
359 tristate "LED Support for WM8350 AudioPlus PMIC"
360 depends on LEDS_CLASS
361 depends on MFD_WM8350
363 This option enables support for LEDs driven by the Wolfson
364 Microelectronics WM8350 AudioPlus PMIC.
367 tristate "LED Support for DA9030/DA9034 PMIC"
368 depends on LEDS_CLASS
369 depends on PMIC_DA903X
371 This option enables support for on-chip LED drivers found
372 on Dialog Semiconductor DA9030/DA9034 PMICs.
375 tristate "Dialog DA9052/DA9053 LEDS"
376 depends on LEDS_CLASS
377 depends on PMIC_DA9052
379 This option enables support for on-chip LED drivers found
380 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
382 config LEDS_DAC124S085
383 tristate "LED Support for DAC124S085 SPI DAC"
384 depends on LEDS_CLASS
387 This option enables support for DAC124S085 SPI DAC from NatSemi,
388 which can be used to control up to four LEDs.
391 tristate "PWM driven LED Support"
392 depends on LEDS_CLASS
395 This option enables support for pwm driven LEDs
397 config LEDS_REGULATOR
398 tristate "REGULATOR driven LED support"
399 depends on LEDS_CLASS
402 This option enables support for regulator driven LEDs.
405 tristate "LED driver for BD2802 RGB LED"
406 depends on LEDS_CLASS
409 This option enables support for BD2802GU RGB LED driver chips
410 accessed via the I2C bus.
412 config LEDS_INTEL_SS4200
413 tristate "LED driver for Intel NAS SS4200 series"
414 depends on LEDS_CLASS
415 depends on PCI && DMI
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.
423 tristate "LED driver for LT3593 controllers"
424 depends on LEDS_CLASS
425 depends on GPIOLIB || COMPILE_TEST
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.
432 tristate "LED Support for ADP5520/ADP5501 PMIC"
433 depends on LEDS_CLASS
434 depends on PMIC_ADP5520
436 This option enables support for on-chip LED drivers found
437 on Analog Devices ADP5520/ADP5501 PMICs.
439 To compile this driver as a module, choose M here: the module will
440 be called leds-adp5520.
442 config LEDS_DELL_NETBOOKS
443 tristate "External LED on Dell Business Netbooks"
444 depends on LEDS_CLASS
445 depends on X86 && ACPI_WMI
447 This adds support for the Latitude 2100 and similar
448 notebooks that have an external LED.
451 tristate "LED Support for MC13XXX PMIC"
452 depends on LEDS_CLASS
453 depends on MFD_MC13XXX
455 This option enable support for on-chip LED drivers found
456 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
459 tristate "LED support for Network Space v2 GPIO LEDs"
460 depends on LEDS_CLASS
461 depends on MACH_KIRKWOOD || MACH_ARMADA_370
464 This option enables support for the dual-GPIO LEDs found on the
465 following LaCie/Seagate boards:
467 Network Space v2 (and parents: Max, Mini)
470 n090401 (Seagate NAS 4-Bay)
473 tristate "LED support for Big Network series LEDs"
474 depends on LEDS_CLASS
475 depends on MACH_KIRKWOOD
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.
483 bool "LED support for the HTC ASIC3"
484 depends on LEDS_CLASS=y
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.
494 tristate "LED Support for TCA6507 I2C chip"
495 depends on LEDS_CLASS && I2C
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.
502 tristate "LED driver for TLC59108 and TLC59116 controllers"
503 depends on LEDS_CLASS && I2C
506 This option enables support for Texas Instruments TLC59108
507 and TLC59116 LED controllers.
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
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
521 tristate "LED support for MAX8997 PMIC"
522 depends on LEDS_CLASS && MFD_MAX8997
524 This option enables support for on-chip LED drivers on
528 tristate "LED support for LM355x Chips, LM3554 and LM3556"
529 depends on LEDS_CLASS && I2C
532 This option enables support for LEDs connected to LM355x.
533 LM355x includes Torch, Flash and Indicator functions.
536 tristate "LED support for the Bachmann OT200"
537 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
539 This option enables support for the LEDs on the Bachmann OT200.
540 Say Y to enable LEDs on the Bachmann OT200.
542 config LEDS_MENF21BMC
543 tristate "LED support for the MEN 14F021P00 BMC"
544 depends on LEDS_CLASS && MFD_MENF21BMC
546 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
548 This driver can also be built as a module. If so the module
549 will be called leds-menf21bmc.
552 tristate "LED support for KTD2692 flash LED controller"
553 depends on LEDS_CLASS_FLASH && OF
554 depends on GPIOLIB || COMPILE_TEST
556 This option enables support for KTD2692 LED flash connected
557 through ExpressWire interface.
559 Say Y to enable this driver.
562 tristate "LED support for the MIPS SEAD 3 board"
563 depends on LEDS_CLASS && MIPS_SEAD3
565 Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
568 This driver can also be built as a module. If so the module
569 will be called leds-sead3.
571 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
574 tristate "LED support for the BlinkM I2C RGB LED"
575 depends on LEDS_CLASS
578 This option enables support for the BlinkM RGB LED connected
579 through I2C. Say Y to enable support for the BlinkM LED.
582 tristate "LED support for PowerNV Platform"
583 depends on LEDS_CLASS
584 depends on PPC_POWERNV
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.
593 bool "LED support for LEDs on system controllers"
594 depends on LEDS_CLASS=y
595 depends on MFD_SYSCON
598 This option enabled support for the LEDs on syscon type
599 devices. This will only work with device tree enabled
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
607 This option enabled support for the LEDs on the ARM Versatile
608 and RealView boards. Say Y to enabled these.
610 comment "LED Triggers"
611 source "drivers/leds/trigger/Kconfig"