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 wraps 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 "LED support for Panasonic AN30259A"
63 depends on LEDS_CLASS && I2C && OF
65 This option enables support for the AN30259A 3-channel
68 To compile this driver as a module, choose M here: the module
69 will be called leds-an30259a.
72 tristate "Front panel LED support for PC Engines APU/APU2/APU3 boards"
76 This driver makes the PC Engines APU/APU2/APU3 front panel LEDs
77 accessible from userspace programs through the LED subsystem.
79 To compile this driver as a module, choose M here: the
80 module will be called leds-apu.
83 tristate "AS3645A and LM3555 LED flash controllers support"
84 depends on I2C && LEDS_CLASS_FLASH
85 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
87 Enable LED flash class support for AS3645A LED flash
88 controller. V4L2 flash API is provided as well if
89 CONFIG_V4L2_FLASH_API is enabled.
92 tristate "LED Support for Broadcom BCM6328"
97 This option enables support for LEDs connected to the BCM6328
98 LED HW controller accessed via MMIO registers.
101 tristate "LED Support for Broadcom BCM6358"
102 depends on LEDS_CLASS
106 This option enables support for LEDs connected to the BCM6358
107 LED HW controller accessed via MMIO registers.
110 tristate "LED Support for Motorola CPCAP"
111 depends on LEDS_CLASS
115 This option enables support for LEDs offered by Motorola's
118 config LEDS_CR0014114
119 tristate "LED Support for Crane CR0014114"
120 depends on LEDS_CLASS
124 This option enables support for CR0014114 LED Board which
125 is widely used in vending machines produced by
126 Crane Merchandising Systems.
128 To compile this driver as a module, choose M here: the module
129 will be called leds-cr0014114.
132 tristate "LCD Backlight driver for LM3530"
133 depends on LEDS_CLASS
136 This option enables support for the LCD backlight using
137 LM3530 ambient light sensor chip. This ALS chip can be
138 controlled manually or using PWM input or using ambient
142 tristate "LCD Backlight driver for LM3532"
143 depends on LEDS_CLASS
146 This option enables support for the LCD backlight using
147 LM3532 ambient light sensor chip. This ALS chip can be
148 controlled manually or using PWM input or using ambient
152 tristate "LED support for LM3533"
153 depends on LEDS_CLASS
154 depends on MFD_LM3533
156 This option enables support for the LEDs on National Semiconductor /
157 TI LM3533 Lighting Power chips.
159 The LEDs can be controlled directly, through PWM input, or by the
160 ambient-light-sensor interface. The chip supports
161 hardware-accelerated blinking with maximum on and off periods of 9.8
162 and 77 seconds respectively.
165 tristate "LED support for LM3642 Chip"
166 depends on LEDS_CLASS && I2C
169 This option enables support for LEDs connected to LM3642.
170 The LM3642 is a 4MHz fixed-frequency synchronous boost
171 converter plus 1.5A constant current driver for a high-current
175 tristate "LED support for LM3692x Chips"
176 depends on LEDS_CLASS && I2C && OF
179 This option enables support for the TI LM3692x family
180 of white LED string drivers used for backlighting.
183 tristate "LED support for LM3601x Chips"
184 depends on LEDS_CLASS && I2C
185 depends on LEDS_CLASS_FLASH
188 This option enables support for the TI LM3601x family
189 of flash, torch and indicator classes.
192 tristate "LED Support for Locomo device"
193 depends on LEDS_CLASS
194 depends on SHARP_LOCOMO
196 This option enables support for the LEDs on Sharp Locomo.
197 Zaurus models SL-5500 and SL-5600.
199 config LEDS_MIKROTIK_RB532
200 tristate "LED Support for Mikrotik Routerboard 532"
201 depends on LEDS_CLASS
202 depends on MIKROTIK_RB532
204 This option enables support for the so called "User LED" of
205 Mikrotik's Routerboard 532.
208 tristate "LED Support for Mediatek MT6323 PMIC"
209 depends on LEDS_CLASS
210 depends on MFD_MT6397
212 This option enables support for on-chip LED drivers found on
213 Mediatek MT6323 PMIC.
216 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
217 depends on LEDS_CLASS
218 depends on ARCH_S3C24XX
220 This option enables support for LEDs connected to GPIO lines
221 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
224 tristate "LED Support for Soekris net48xx series Error LED"
225 depends on LEDS_CLASS
226 depends on SCx200_GPIO
228 This option enables support for the Soekris net4801 and net4826 error
232 tristate "LED Support for the Freecom FSG-3"
233 depends on LEDS_CLASS
236 This option enables support for the LEDs on the Freecom FSG-3.
239 tristate "LED Support for the WRAP series LEDs"
240 depends on LEDS_CLASS
241 depends on SCx200_GPIO
243 This option enables support for the PCEngines WRAP programmable LEDs.
245 config LEDS_COBALT_QUBE
246 tristate "LED Support for the Cobalt Qube series front LED"
247 depends on LEDS_CLASS
248 depends on MIPS_COBALT
250 This option enables support for the front LED on Cobalt Qube series
252 config LEDS_COBALT_RAQ
253 bool "LED Support for the Cobalt Raq series"
254 depends on LEDS_CLASS=y && MIPS_COBALT
257 This option enables support for the Cobalt Raq series LEDs.
260 tristate "LED support for SunFire servers."
261 depends on LEDS_CLASS
265 This option enables support for the Left, Middle, and Right
266 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
268 config LEDS_IPAQ_MICRO
269 tristate "LED Support for the Compaq iPAQ h3xxx"
270 depends on LEDS_CLASS
271 depends on MFD_IPAQ_MICRO
273 Choose this option if you want to use the notification LED on
274 Compaq/HP iPAQ h3100 and h3600.
277 tristate "LED Support for the HP Jornada 6xx"
278 depends on LEDS_CLASS
281 This option enables LED support for the handheld
282 HP Jornada 620/660/680/690.
285 tristate "LED driver for PCA9532 dimmer"
286 depends on LEDS_CLASS
287 depends on I2C && INPUT
289 This option enables support for NXP pca9532
290 LED controller. It is generally only useful
293 config LEDS_PCA9532_GPIO
294 bool "Enable GPIO support for PCA9532"
295 depends on LEDS_PCA9532
298 Allow unused pins on PCA9532 to be used as gpio.
300 To use a pin as gpio pca9532_type in pca9532_platform data needs to
301 set to PCA9532_TYPE_GPIO.
304 tristate "LED Support for GPIO connected LEDs"
305 depends on LEDS_CLASS
306 depends on GPIOLIB || COMPILE_TEST
308 This option enables support for the LEDs connected to GPIO
309 outputs. To be useful the particular board must have LEDs
310 and they must be connected to the GPIO lines. The LEDs must be
311 defined as platform devices and/or OpenFirmware platform devices.
312 The code to use these bindings can be selected below.
315 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
316 depends on LEDS_CLASS
319 This option enables support for LEDs connected to the National
320 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
323 To compile this driver as a module, choose M here: the
324 module will be called leds-lp3944.
327 tristate "LED Support for TI LP3952 2 channel LED driver"
328 depends on LEDS_CLASS
333 This option enables support for LEDs connected to the Texas
334 Instruments LP3952 LED driver.
336 To compile this driver as a module, choose M here: the
337 module will be called leds-lp3952.
339 config LEDS_LP55XX_COMMON
340 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
341 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
343 select FW_LOADER_USER_HELPER
345 This option supports common operations for LP5521/5523/55231/5562/8501
349 tristate "LED Support for N.S. LP5521 LED driver chip"
350 depends on LEDS_CLASS && I2C
351 select LEDS_LP55XX_COMMON
353 If you say yes here you get support for the National Semiconductor
354 LP5521 LED driver. It is 3 channel chip with programmable engines.
355 Driver provides direct control via LED class and interface for
356 programming the engines.
359 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
360 depends on LEDS_CLASS && I2C
361 select LEDS_LP55XX_COMMON
363 If you say yes here you get support for TI/National Semiconductor
364 LP5523/55231 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.
370 tristate "LED Support for TI LP5562 LED driver chip"
371 depends on LEDS_CLASS && I2C
372 select LEDS_LP55XX_COMMON
374 If you say yes here you get support for TI LP5562 LED driver.
375 It is 4 channels chip with programmable engines.
376 Driver provides direct control via LED class and interface for
377 programming the engines.
380 tristate "LED Support for TI LP8501 LED driver chip"
381 depends on LEDS_CLASS && I2C
382 select LEDS_LP55XX_COMMON
384 If you say yes here you get support for TI LP8501 LED driver.
385 It is 9 channel chip with programmable engines.
386 Driver provides direct control via LED class and interface for
387 programming the engines.
388 It is similar as LP5523, but output power selection is available.
389 And register layout and engine program schemes are different.
392 tristate "LED support for the TI LP8788 PMIC"
393 depends on LEDS_CLASS
394 depends on MFD_LP8788
396 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
399 tristate "LED support for the TI LP8860 4 channel LED driver"
400 depends on LEDS_CLASS && I2C && OF
403 If you say yes here you get support for the TI LP8860 4 channel
405 This option enables support for the display cluster LEDs
406 on the LP8860 4 channel LED driver using the I2C communication
409 config LEDS_CLEVO_MAIL
410 tristate "Mail LED on Clevo notebook"
411 depends on LEDS_CLASS
412 depends on X86 && SERIO_I8042 && DMI
414 This driver makes the mail LED accessible from userspace
415 programs through the leds subsystem. This LED have three
416 known mode: off, blink at 0.5Hz and blink at 1Hz.
418 The driver supports two kinds of interface: using ledtrig-timer
419 or through /sys/class/leds/clevo::mail/brightness. As this LED
420 cannot change it's brightness it blinks instead. The brightness
421 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
424 This module can drive the mail LED for the following notebooks:
429 Clevo D400V/D470V (not tested, but might work)
431 Clevo M5x0N (not tested, but might work)
432 Positivo Mobile (Clevo M5x0V)
434 If your model is not listed here you can try the "nodetect"
437 To compile this driver as a module, choose M here: the
438 module will be called leds-clevo-mail.
441 tristate "LED Support for PCA955x I2C chips"
442 depends on LEDS_CLASS
445 This option enables support for LEDs connected to PCA955x
446 LED driver chips accessed via the I2C bus. Supported
447 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
449 config LEDS_PCA955X_GPIO
450 bool "Enable GPIO support for PCA955X"
451 depends on LEDS_PCA955X
454 Allow unused pins on PCA955X to be used as gpio.
456 To use a pin as gpio the pin type should be set to
457 PCA955X_TYPE_GPIO in the device tree.
461 tristate "LED support for PCA963x I2C chip"
462 depends on LEDS_CLASS
465 This option enables support for LEDs connected to the PCA963x
466 LED driver chip accessed via the I2C bus. Supported
467 devices include PCA9633 and PCA9634
469 config LEDS_WM831X_STATUS
470 tristate "LED support for status LEDs on WM831x PMICs"
471 depends on LEDS_CLASS
472 depends on MFD_WM831X
474 This option enables support for the status LEDs of the WM831x
478 tristate "LED Support for WM8350 AudioPlus PMIC"
479 depends on LEDS_CLASS
480 depends on MFD_WM8350
482 This option enables support for LEDs driven by the Wolfson
483 Microelectronics WM8350 AudioPlus PMIC.
486 tristate "LED Support for DA9030/DA9034 PMIC"
487 depends on LEDS_CLASS
488 depends on PMIC_DA903X
490 This option enables support for on-chip LED drivers found
491 on Dialog Semiconductor DA9030/DA9034 PMICs.
494 tristate "Dialog DA9052/DA9053 LEDS"
495 depends on LEDS_CLASS
496 depends on PMIC_DA9052
498 This option enables support for on-chip LED drivers found
499 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
501 config LEDS_DAC124S085
502 tristate "LED Support for DAC124S085 SPI DAC"
503 depends on LEDS_CLASS
506 This option enables support for DAC124S085 SPI DAC from NatSemi,
507 which can be used to control up to four LEDs.
510 tristate "PWM driven LED Support"
511 depends on LEDS_CLASS
514 This option enables support for pwm driven LEDs
516 config LEDS_REGULATOR
517 tristate "REGULATOR driven LED support"
518 depends on LEDS_CLASS
521 This option enables support for regulator driven LEDs.
524 tristate "LED driver for BD2802 RGB LED"
525 depends on LEDS_CLASS
528 This option enables support for BD2802GU RGB LED driver chips
529 accessed via the I2C bus.
531 config LEDS_INTEL_SS4200
532 tristate "LED driver for Intel NAS SS4200 series"
533 depends on LEDS_CLASS
534 depends on PCI && DMI
537 This option enables support for the Intel SS4200 series of
538 Network Attached Storage servers. You may control the hard
539 drive or power LEDs on the front panel. Using this driver
540 can stop the front LED from blinking after startup.
543 tristate "LED driver for LT3593 controllers"
544 depends on LEDS_CLASS
545 depends on GPIOLIB || COMPILE_TEST
548 This option enables support for LEDs driven by a Linear Technology
549 LT3593 controller. This controller uses a special one-wire pulse
550 coding protocol to set the brightness.
553 tristate "LED Support for ADP5520/ADP5501 PMIC"
554 depends on LEDS_CLASS
555 depends on PMIC_ADP5520
557 This option enables support for on-chip LED drivers found
558 on Analog Devices ADP5520/ADP5501 PMICs.
560 To compile this driver as a module, choose M here: the module will
561 be called leds-adp5520.
564 tristate "LED Support for MC13XXX PMIC"
565 depends on LEDS_CLASS
566 depends on MFD_MC13XXX
568 This option enables support for on-chip LED drivers found
569 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
572 tristate "LED support for Network Space v2 GPIO LEDs"
573 depends on LEDS_CLASS
574 depends on MACH_KIRKWOOD || MACH_ARMADA_370
577 This option enables support for the dual-GPIO LEDs found on the
578 following LaCie/Seagate boards:
580 Network Space v2 (and parents: Max, Mini)
583 n090401 (Seagate NAS 4-Bay)
586 tristate "LED support for Big Network series LEDs"
587 depends on LEDS_CLASS
588 depends on MACH_KIRKWOOD
591 This option enables support for LEDs found on the LaCie 2Big
592 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
593 controlled through a GPIO extension bus.
596 bool "LED support for the HTC ASIC3"
597 depends on LEDS_CLASS=y
601 This option enables support for the LEDs on the HTC ASIC3. The HTC
602 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
603 cannot be used. This driver supports hardware blinking with an on+off
604 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
607 tristate "LED Support for TCA6507 I2C chip"
608 depends on LEDS_CLASS && I2C
610 This option enables support for LEDs connected to TC6507
611 LED driver chips accessed via the I2C bus.
612 Driver support brightness control and hardware-assisted blinking.
615 tristate "LED driver for TLC59108 and TLC59116 controllers"
616 depends on LEDS_CLASS && I2C
619 This option enables support for Texas Instruments TLC59108
620 and TLC59116 LED controllers.
623 tristate "LED support for Maxim MAX77650 PMIC"
624 depends on LEDS_CLASS && MFD_MAX77650
626 LEDs driver for MAX77650 family of PMICs from Maxim Integrated.
629 tristate "LED support for MAX77693 Flash"
630 depends on LEDS_CLASS_FLASH
631 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
632 depends on MFD_MAX77693
635 This option enables support for the flash part of the MAX77693
636 multifunction device. It has build in control for two leds in flash
640 tristate "LED support for MAX8997 PMIC"
641 depends on LEDS_CLASS && MFD_MAX8997
643 This option enables support for on-chip LED drivers on
647 tristate "LED support for LM3554 and LM3556 chips"
648 depends on LEDS_CLASS && I2C
651 This option enables support for LEDs connected to LM3554
652 and LM3556. It includes Torch, Flash and Indicator functions.
655 tristate "LED support for the Bachmann OT200"
656 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
658 This option enables support for the LEDs on the Bachmann OT200.
659 Say Y to enable LEDs on the Bachmann OT200.
661 config LEDS_MENF21BMC
662 tristate "LED support for the MEN 14F021P00 BMC"
663 depends on LEDS_CLASS && MFD_MENF21BMC
665 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
667 This driver can also be built as a module. If so the module
668 will be called leds-menf21bmc.
671 tristate "LED support for KTD2692 flash LED controller"
672 depends on LEDS_CLASS_FLASH && OF
673 depends on GPIOLIB || COMPILE_TEST
675 This option enables support for KTD2692 LED flash connected
676 through ExpressWire interface.
678 Say Y to enable this driver.
680 config LEDS_IS31FL319X
681 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
682 depends on LEDS_CLASS && I2C && OF
685 This option enables support for LEDs connected to ISSI IS31FL319x
686 fancy LED driver chips accessed via the I2C bus.
687 Driver supports individual PWM brightness control for each channel.
689 This driver can also be built as a module. If so the module will be
690 called leds-is31fl319x.
692 config LEDS_IS31FL32XX
693 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
694 depends on LEDS_CLASS && I2C && OF
696 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
697 LED controllers. They are I2C devices with multiple constant-current
698 channels, each with independent 256-level PWM control.
700 config LEDS_SC27XX_BLTC
701 tristate "LED support for the SC27xx breathing light controller"
702 depends on LEDS_CLASS && MFD_SC27XX_PMIC
705 Say Y here to include support for the SC27xx breathing light controller
708 This driver can also be built as a module. If so the module will be
709 called leds-sc27xx-bltc.
711 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
714 tristate "LED support for the BlinkM I2C RGB LED"
715 depends on LEDS_CLASS
718 This option enables support for the BlinkM RGB LED connected
719 through I2C. Say Y to enable support for the BlinkM LED.
722 tristate "LED support for PowerNV Platform"
723 depends on LEDS_CLASS
724 depends on PPC_POWERNV
727 This option enables support for the system LEDs present on
728 PowerNV platforms. Say 'y' to enable this support in kernel.
729 To compile this driver as a module, choose 'm' here: the module
730 will be called leds-powernv.
733 bool "LED support for LEDs on system controllers"
734 depends on LEDS_CLASS=y
735 depends on MFD_SYSCON
738 This option enables support for the LEDs on syscon type
739 devices. This will only work with device tree enabled
743 tristate "LED Support for the Qualcomm PM8058 PMIC"
744 depends on MFD_PM8XXX
745 depends on LEDS_CLASS
747 Choose this option if you want to use the LED drivers in
748 the Qualcomm PM8058 PMIC.
751 tristate "LED support for the Mellanox boards"
752 depends on X86 && DMI
753 depends on LEDS_CLASS
755 This option enables support for the LEDs on the Mellanox
756 boards. Say Y to enable these.
759 tristate "LED support for the Mellanox switches management control"
760 depends on LEDS_CLASS
762 This option enables support for the LEDs on the Mellanox Ethernet and
763 InfiniBand switches. The driver can be activated by the platform device
764 device add call. Say Y to enable these. To compile this driver as a
765 module, choose 'M' here: the module will be called leds-mlxreg.
768 tristate "Userspace LED support"
769 depends on LEDS_CLASS
771 This option enables support for userspace LEDs. Say 'y' to enable this
772 support in kernel. To compile this driver as a module, choose 'm' here:
773 the module will be called uleds.
776 tristate "LED support for NI PXI NIC78bx devices"
777 depends on LEDS_CLASS
778 depends on X86 && ACPI
780 This option enables support for the User1 and User2 LEDs on NI
783 To compile this driver as a module, choose M here: the module
784 will be called leds-nic78bx.
786 comment "LED Triggers"
787 source "drivers/leds/trigger/Kconfig"