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
32 config LEDS_BRIGHTNESS_HW_CHANGED
33 bool "LED Class brightness_hw_changed attribute support"
36 This option enables support for the brightness_hw_changed attribute
37 for led sysfs class devices under /sys/class/leds.
39 See Documentation/ABI/testing/sysfs-class-led for details.
44 tristate "LED Support for Marvell 88PM860x PMIC"
46 depends on MFD_88PM860X
48 This option enables support for on-chip LED drivers found on Marvell
49 Semiconductor 88PM8606 PMIC.
52 tristate "LED support for the AAT1290"
53 depends on LEDS_CLASS_FLASH
54 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
55 depends on GPIOLIB || COMPILE_TEST
59 This option enables support for the LEDs on the AAT1290.
62 tristate "Front panel LED support for PC Engines APU/APU2/APU3 boards"
66 This driver makes the PC Engines APU/APU2/APU3 front panel LEDs
67 accessible from userspace programs through the LED subsystem.
69 To compile this driver as a module, choose M here: the
70 module will be called leds-apu.
73 tristate "AS3645A and LM3555 LED flash controllers support"
74 depends on I2C && LEDS_CLASS_FLASH
75 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
77 Enable LED flash class support for AS3645A LED flash
78 controller. V4L2 flash API is provided as well if
79 CONFIG_V4L2_FLASH_API is enabled.
82 tristate "LED Support for Broadcom BCM6328"
87 This option enables support for LEDs connected to the BCM6328
88 LED HW controller accessed via MMIO registers.
91 tristate "LED Support for Broadcom BCM6358"
96 This option enables support for LEDs connected to the BCM6358
97 LED HW controller accessed via MMIO registers.
100 tristate "LED Support for Motorola CPCAP"
101 depends on LEDS_CLASS
105 This option enables support for LEDs offered by Motorola's
108 config LEDS_CR0014114
109 tristate "LED Support for Crane CR0014114"
110 depends on LEDS_CLASS
114 This option enables support for CR0014114 LED Board which
115 is widely used in vending machines produced by
116 Crane Merchandising Systems.
118 To compile this driver as a module, choose M here: the module
119 will be called leds-cr0014114.
122 tristate "LCD Backlight driver for LM3530"
123 depends on LEDS_CLASS
126 This option enables support for the LCD backlight using
127 LM3530 ambient light sensor chip. This ALS chip can be
128 controlled manually or using PWM input or using ambient
132 tristate "LED support for LM3533"
133 depends on LEDS_CLASS
134 depends on MFD_LM3533
136 This option enables support for the LEDs on National Semiconductor /
137 TI LM3533 Lighting Power chips.
139 The LEDs can be controlled directly, through PWM input, or by the
140 ambient-light-sensor interface. The chip supports
141 hardware-accelerated blinking with maximum on and off periods of 9.8
142 and 77 seconds respectively.
145 tristate "LED support for LM3642 Chip"
146 depends on LEDS_CLASS && I2C
149 This option enables support for LEDs connected to LM3642.
150 The LM3642 is a 4MHz fixed-frequency synchronous boost
151 converter plus 1.5A constant current driver for a high-current
155 tristate "LED support for LM3692x Chips"
156 depends on LEDS_CLASS && I2C && OF
159 This option enables support for the TI LM3692x family
160 of white LED string drivers used for backlighting.
163 tristate "LED support for LM3601x Chips"
164 depends on LEDS_CLASS && I2C
165 depends on LEDS_CLASS_FLASH
168 This option enables support for the TI LM3601x family
169 of flash, torch and indicator classes.
172 tristate "LED Support for Locomo device"
173 depends on LEDS_CLASS
174 depends on SHARP_LOCOMO
176 This option enables support for the LEDs on Sharp Locomo.
177 Zaurus models SL-5500 and SL-5600.
179 config LEDS_MIKROTIK_RB532
180 tristate "LED Support for Mikrotik Routerboard 532"
181 depends on LEDS_CLASS
182 depends on MIKROTIK_RB532
184 This option enables support for the so called "User LED" of
185 Mikrotik's Routerboard 532.
188 tristate "LED Support for Mediatek MT6323 PMIC"
189 depends on LEDS_CLASS
190 depends on MFD_MT6397
192 This option enables support for on-chip LED drivers found on
193 Mediatek MT6323 PMIC.
196 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
197 depends on LEDS_CLASS
198 depends on ARCH_S3C24XX
200 This option enables support for LEDs connected to GPIO lines
201 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
204 tristate "LED Support for Soekris net48xx series Error LED"
205 depends on LEDS_CLASS
206 depends on SCx200_GPIO
208 This option enables support for the Soekris net4801 and net4826 error
212 tristate "LED Support for the Freecom FSG-3"
213 depends on LEDS_CLASS
216 This option enables support for the LEDs on the Freecom FSG-3.
219 tristate "LED Support for the WRAP series LEDs"
220 depends on LEDS_CLASS
221 depends on SCx200_GPIO
223 This option enables support for the PCEngines WRAP programmable LEDs.
225 config LEDS_COBALT_QUBE
226 tristate "LED Support for the Cobalt Qube series front LED"
227 depends on LEDS_CLASS
228 depends on MIPS_COBALT
230 This option enables support for the front LED on Cobalt Qube series
232 config LEDS_COBALT_RAQ
233 bool "LED Support for the Cobalt Raq series"
234 depends on LEDS_CLASS=y && MIPS_COBALT
237 This option enables support for the Cobalt Raq series LEDs.
240 tristate "LED support for SunFire servers."
241 depends on LEDS_CLASS
245 This option enables support for the Left, Middle, and Right
246 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
248 config LEDS_IPAQ_MICRO
249 tristate "LED Support for the Compaq iPAQ h3xxx"
250 depends on LEDS_CLASS
251 depends on MFD_IPAQ_MICRO
253 Choose this option if you want to use the notification LED on
254 Compaq/HP iPAQ h3100 and h3600.
257 tristate "LED Support for the HP Jornada 6xx"
258 depends on LEDS_CLASS
261 This option enables LED support for the handheld
262 HP Jornada 620/660/680/690.
265 tristate "LED driver for PCA9532 dimmer"
266 depends on LEDS_CLASS
267 depends on I2C && INPUT
269 This option enables support for NXP pca9532
270 LED controller. It is generally only useful
273 config LEDS_PCA9532_GPIO
274 bool "Enable GPIO support for PCA9532"
275 depends on LEDS_PCA9532
278 Allow unused pins on PCA9532 to be used as gpio.
280 To use a pin as gpio pca9532_type in pca9532_platform data needs to
281 set to PCA9532_TYPE_GPIO.
284 tristate "LED Support for GPIO connected LEDs"
285 depends on LEDS_CLASS
286 depends on GPIOLIB || COMPILE_TEST
288 This option enables support for the LEDs connected to GPIO
289 outputs. To be useful the particular board must have LEDs
290 and they must be connected to the GPIO lines. The LEDs must be
291 defined as platform devices and/or OpenFirmware platform devices.
292 The code to use these bindings can be selected below.
295 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
296 depends on LEDS_CLASS
299 This option enables support for LEDs connected to the National
300 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
303 To compile this driver as a module, choose M here: the
304 module will be called leds-lp3944.
307 tristate "LED Support for TI LP3952 2 channel LED driver"
308 depends on LEDS_CLASS
313 This option enables support for LEDs connected to the Texas
314 Instruments LP3952 LED driver.
316 To compile this driver as a module, choose M here: the
317 module will be called leds-lp3952.
319 config LEDS_LP55XX_COMMON
320 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
321 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
323 select FW_LOADER_USER_HELPER
325 This option supports common operations for LP5521/5523/55231/5562/8501
329 tristate "LED Support for N.S. LP5521 LED driver chip"
330 depends on LEDS_CLASS && I2C
331 select LEDS_LP55XX_COMMON
333 If you say yes here you get support for the National Semiconductor
334 LP5521 LED driver. It is 3 channel chip with programmable engines.
335 Driver provides direct control via LED class and interface for
336 programming the engines.
339 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
340 depends on LEDS_CLASS && I2C
341 select LEDS_LP55XX_COMMON
343 If you say yes here you get support for TI/National Semiconductor
344 LP5523/55231 LED driver.
345 It is 9 channel chip with programmable engines.
346 Driver provides direct control via LED class and interface for
347 programming the engines.
350 tristate "LED Support for TI LP5562 LED driver chip"
351 depends on LEDS_CLASS && I2C
352 select LEDS_LP55XX_COMMON
354 If you say yes here you get support for TI LP5562 LED driver.
355 It is 4 channels chip with programmable engines.
356 Driver provides direct control via LED class and interface for
357 programming the engines.
360 tristate "LED Support for TI LP8501 LED driver chip"
361 depends on LEDS_CLASS && I2C
362 select LEDS_LP55XX_COMMON
364 If you say yes here you get support for TI LP8501 LED driver.
365 It is 9 channel chip with programmable engines.
366 Driver provides direct control via LED class and interface for
367 programming the engines.
368 It is similar as LP5523, but output power selection is available.
369 And register layout and engine program schemes are different.
372 tristate "LED support for the TI LP8788 PMIC"
373 depends on LEDS_CLASS
374 depends on MFD_LP8788
376 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
379 tristate "LED support for the TI LP8860 4 channel LED driver"
380 depends on LEDS_CLASS && I2C && OF
383 If you say yes here you get support for the TI LP8860 4 channel
385 This option enables support for the display cluster LEDs
386 on the LP8860 4 channel LED driver using the I2C communication
389 config LEDS_CLEVO_MAIL
390 tristate "Mail LED on Clevo notebook"
391 depends on LEDS_CLASS
392 depends on X86 && SERIO_I8042 && DMI
394 This driver makes the mail LED accessible from userspace
395 programs through the leds subsystem. This LED have three
396 known mode: off, blink at 0.5Hz and blink at 1Hz.
398 The driver supports two kinds of interface: using ledtrig-timer
399 or through /sys/class/leds/clevo::mail/brightness. As this LED
400 cannot change it's brightness it blinks instead. The brightness
401 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
404 This module can drive the mail LED for the following notebooks:
409 Clevo D400V/D470V (not tested, but might work)
411 Clevo M5x0N (not tested, but might work)
412 Positivo Mobile (Clevo M5x0V)
414 If your model is not listed here you can try the "nodetect"
417 To compile this driver as a module, choose M here: the
418 module will be called leds-clevo-mail.
421 tristate "LED Support for PCA955x I2C chips"
422 depends on LEDS_CLASS
425 This option enables support for LEDs connected to PCA955x
426 LED driver chips accessed via the I2C bus. Supported
427 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
429 config LEDS_PCA955X_GPIO
430 bool "Enable GPIO support for PCA955X"
431 depends on LEDS_PCA955X
434 Allow unused pins on PCA955X to be used as gpio.
436 To use a pin as gpio the pin type should be set to
437 PCA955X_TYPE_GPIO in the device tree.
441 tristate "LED support for PCA963x I2C chip"
442 depends on LEDS_CLASS
445 This option enables support for LEDs connected to the PCA963x
446 LED driver chip accessed via the I2C bus. Supported
447 devices include PCA9633 and PCA9634
449 config LEDS_WM831X_STATUS
450 tristate "LED support for status LEDs on WM831x PMICs"
451 depends on LEDS_CLASS
452 depends on MFD_WM831X
454 This option enables support for the status LEDs of the WM831x
458 tristate "LED Support for WM8350 AudioPlus PMIC"
459 depends on LEDS_CLASS
460 depends on MFD_WM8350
462 This option enables support for LEDs driven by the Wolfson
463 Microelectronics WM8350 AudioPlus PMIC.
466 tristate "LED Support for DA9030/DA9034 PMIC"
467 depends on LEDS_CLASS
468 depends on PMIC_DA903X
470 This option enables support for on-chip LED drivers found
471 on Dialog Semiconductor DA9030/DA9034 PMICs.
474 tristate "Dialog DA9052/DA9053 LEDS"
475 depends on LEDS_CLASS
476 depends on PMIC_DA9052
478 This option enables support for on-chip LED drivers found
479 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
481 config LEDS_DAC124S085
482 tristate "LED Support for DAC124S085 SPI DAC"
483 depends on LEDS_CLASS
486 This option enables support for DAC124S085 SPI DAC from NatSemi,
487 which can be used to control up to four LEDs.
490 tristate "PWM driven LED Support"
491 depends on LEDS_CLASS
494 This option enables support for pwm driven LEDs
496 config LEDS_REGULATOR
497 tristate "REGULATOR driven LED support"
498 depends on LEDS_CLASS
501 This option enables support for regulator driven LEDs.
504 tristate "LED driver for BD2802 RGB LED"
505 depends on LEDS_CLASS
508 This option enables support for BD2802GU RGB LED driver chips
509 accessed via the I2C bus.
511 config LEDS_INTEL_SS4200
512 tristate "LED driver for Intel NAS SS4200 series"
513 depends on LEDS_CLASS
514 depends on PCI && DMI
517 This option enables support for the Intel SS4200 series of
518 Network Attached Storage servers. You may control the hard
519 drive or power LEDs on the front panel. Using this driver
520 can stop the front LED from blinking after startup.
523 tristate "LED driver for LT3593 controllers"
524 depends on LEDS_CLASS
525 depends on GPIOLIB || COMPILE_TEST
527 This option enables support for LEDs driven by a Linear Technology
528 LT3593 controller. This controller uses a special one-wire pulse
529 coding protocol to set the brightness.
532 tristate "LED Support for ADP5520/ADP5501 PMIC"
533 depends on LEDS_CLASS
534 depends on PMIC_ADP5520
536 This option enables support for on-chip LED drivers found
537 on Analog Devices ADP5520/ADP5501 PMICs.
539 To compile this driver as a module, choose M here: the module will
540 be called leds-adp5520.
543 tristate "LED Support for MC13XXX PMIC"
544 depends on LEDS_CLASS
545 depends on MFD_MC13XXX
547 This option enables support for on-chip LED drivers found
548 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
551 tristate "LED support for Network Space v2 GPIO LEDs"
552 depends on LEDS_CLASS
553 depends on MACH_KIRKWOOD || MACH_ARMADA_370
556 This option enables support for the dual-GPIO LEDs found on the
557 following LaCie/Seagate boards:
559 Network Space v2 (and parents: Max, Mini)
562 n090401 (Seagate NAS 4-Bay)
565 tristate "LED support for Big Network series LEDs"
566 depends on LEDS_CLASS
567 depends on MACH_KIRKWOOD
570 This option enables support for LEDs found on the LaCie 2Big
571 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
572 controlled through a GPIO extension bus.
575 bool "LED support for the HTC ASIC3"
576 depends on LEDS_CLASS=y
580 This option enables support for the LEDs on the HTC ASIC3. The HTC
581 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
582 cannot be used. This driver supports hardware blinking with an on+off
583 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
586 tristate "LED Support for TCA6507 I2C chip"
587 depends on LEDS_CLASS && I2C
589 This option enables support for LEDs connected to TC6507
590 LED driver chips accessed via the I2C bus.
591 Driver support brightness control and hardware-assisted blinking.
594 tristate "LED driver for TLC59108 and TLC59116 controllers"
595 depends on LEDS_CLASS && I2C
598 This option enables support for Texas Instruments TLC59108
599 and TLC59116 LED controllers.
602 tristate "LED support for MAX77693 Flash"
603 depends on LEDS_CLASS_FLASH
604 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
605 depends on MFD_MAX77693
608 This option enables support for the flash part of the MAX77693
609 multifunction device. It has build in control for two leds in flash
613 tristate "LED support for MAX8997 PMIC"
614 depends on LEDS_CLASS && MFD_MAX8997
616 This option enables support for on-chip LED drivers on
620 tristate "LED support for LM3554 and LM3556 chips"
621 depends on LEDS_CLASS && I2C
624 This option enables support for LEDs connected to LM3554
625 and LM3556. It includes Torch, Flash and Indicator functions.
628 tristate "LED support for the Bachmann OT200"
629 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
631 This option enables support for the LEDs on the Bachmann OT200.
632 Say Y to enable LEDs on the Bachmann OT200.
634 config LEDS_MENF21BMC
635 tristate "LED support for the MEN 14F021P00 BMC"
636 depends on LEDS_CLASS && MFD_MENF21BMC
638 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
640 This driver can also be built as a module. If so the module
641 will be called leds-menf21bmc.
644 tristate "LED support for KTD2692 flash LED controller"
645 depends on LEDS_CLASS_FLASH && OF
646 depends on GPIOLIB || COMPILE_TEST
648 This option enables support for KTD2692 LED flash connected
649 through ExpressWire interface.
651 Say Y to enable this driver.
653 config LEDS_IS31FL319X
654 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
655 depends on LEDS_CLASS && I2C && OF
658 This option enables support for LEDs connected to ISSI IS31FL319x
659 fancy LED driver chips accessed via the I2C bus.
660 Driver supports individual PWM brightness control for each channel.
662 This driver can also be built as a module. If so the module will be
663 called leds-is31fl319x.
665 config LEDS_IS31FL32XX
666 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
667 depends on LEDS_CLASS && I2C && OF
669 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
670 LED controllers. They are I2C devices with multiple constant-current
671 channels, each with independent 256-level PWM control.
673 config LEDS_SC27XX_BLTC
674 tristate "LED support for the SC27xx breathing light controller"
675 depends on LEDS_CLASS && MFD_SC27XX_PMIC
678 Say Y here to include support for the SC27xx breathing light controller
681 This driver can also be built as a module. If so the module will be
682 called leds-sc27xx-bltc.
684 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
687 tristate "LED support for the BlinkM I2C RGB LED"
688 depends on LEDS_CLASS
691 This option enables support for the BlinkM RGB LED connected
692 through I2C. Say Y to enable support for the BlinkM LED.
695 tristate "LED support for PowerNV Platform"
696 depends on LEDS_CLASS
697 depends on PPC_POWERNV
700 This option enables support for the system LEDs present on
701 PowerNV platforms. Say 'y' to enable this support in kernel.
702 To compile this driver as a module, choose 'm' here: the module
703 will be called leds-powernv.
706 bool "LED support for LEDs on system controllers"
707 depends on LEDS_CLASS=y
708 depends on MFD_SYSCON
711 This option enables support for the LEDs on syscon type
712 devices. This will only work with device tree enabled
716 tristate "LED Support for the Qualcomm PM8058 PMIC"
717 depends on MFD_PM8XXX
718 depends on LEDS_CLASS
720 Choose this option if you want to use the LED drivers in
721 the Qualcomm PM8058 PMIC.
724 tristate "LED support for the Mellanox boards"
725 depends on X86 && DMI
726 depends on LEDS_CLASS
728 This option enables support for the LEDs on the Mellanox
729 boards. Say Y to enable these.
732 tristate "LED support for the Mellanox switches management control"
733 depends on LEDS_CLASS
735 This option enables support for the LEDs on the Mellanox Ethernet and
736 InfiniBand switches. The driver can be activated by the platform device
737 device add call. Say Y to enable these. To compile this driver as a
738 module, choose 'M' here: the module will be called leds-mlxreg.
741 tristate "Userspace LED support"
742 depends on LEDS_CLASS
744 This option enables support for userspace LEDs. Say 'y' to enable this
745 support in kernel. To compile this driver as a module, choose 'm' here:
746 the module will be called uleds.
749 tristate "LED support for NI PXI NIC78bx devices"
750 depends on LEDS_CLASS
751 depends on X86 && ACPI
753 This option enables support for the User1 and User2 LEDs on NI
756 To compile this driver as a module, choose M here: the module
757 will be called leds-nic78bx.
759 comment "LED Triggers"
760 source "drivers/leds/trigger/Kconfig"