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 "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 "LED support for LM3533"
143 depends on LEDS_CLASS
144 depends on MFD_LM3533
146 This option enables support for the LEDs on National Semiconductor /
147 TI LM3533 Lighting Power chips.
149 The LEDs can be controlled directly, through PWM input, or by the
150 ambient-light-sensor interface. The chip supports
151 hardware-accelerated blinking with maximum on and off periods of 9.8
152 and 77 seconds respectively.
155 tristate "LED support for LM3642 Chip"
156 depends on LEDS_CLASS && I2C
159 This option enables support for LEDs connected to LM3642.
160 The LM3642 is a 4MHz fixed-frequency synchronous boost
161 converter plus 1.5A constant current driver for a high-current
165 tristate "LED support for LM3692x Chips"
166 depends on LEDS_CLASS && I2C && OF
169 This option enables support for the TI LM3692x family
170 of white LED string drivers used for backlighting.
173 tristate "LED support for LM3601x Chips"
174 depends on LEDS_CLASS && I2C
175 depends on LEDS_CLASS_FLASH
178 This option enables support for the TI LM3601x family
179 of flash, torch and indicator classes.
182 tristate "LED Support for Locomo device"
183 depends on LEDS_CLASS
184 depends on SHARP_LOCOMO
186 This option enables support for the LEDs on Sharp Locomo.
187 Zaurus models SL-5500 and SL-5600.
189 config LEDS_MIKROTIK_RB532
190 tristate "LED Support for Mikrotik Routerboard 532"
191 depends on LEDS_CLASS
192 depends on MIKROTIK_RB532
194 This option enables support for the so called "User LED" of
195 Mikrotik's Routerboard 532.
198 tristate "LED Support for Mediatek MT6323 PMIC"
199 depends on LEDS_CLASS
200 depends on MFD_MT6397
202 This option enables support for on-chip LED drivers found on
203 Mediatek MT6323 PMIC.
206 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
207 depends on LEDS_CLASS
208 depends on ARCH_S3C24XX
210 This option enables support for LEDs connected to GPIO lines
211 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
214 tristate "LED Support for Soekris net48xx series Error LED"
215 depends on LEDS_CLASS
216 depends on SCx200_GPIO
218 This option enables support for the Soekris net4801 and net4826 error
222 tristate "LED Support for the Freecom FSG-3"
223 depends on LEDS_CLASS
226 This option enables support for the LEDs on the Freecom FSG-3.
229 tristate "LED Support for the WRAP series LEDs"
230 depends on LEDS_CLASS
231 depends on SCx200_GPIO
233 This option enables support for the PCEngines WRAP programmable LEDs.
235 config LEDS_COBALT_QUBE
236 tristate "LED Support for the Cobalt Qube series front LED"
237 depends on LEDS_CLASS
238 depends on MIPS_COBALT
240 This option enables support for the front LED on Cobalt Qube series
242 config LEDS_COBALT_RAQ
243 bool "LED Support for the Cobalt Raq series"
244 depends on LEDS_CLASS=y && MIPS_COBALT
247 This option enables support for the Cobalt Raq series LEDs.
250 tristate "LED support for SunFire servers."
251 depends on LEDS_CLASS
255 This option enables support for the Left, Middle, and Right
256 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
258 config LEDS_IPAQ_MICRO
259 tristate "LED Support for the Compaq iPAQ h3xxx"
260 depends on LEDS_CLASS
261 depends on MFD_IPAQ_MICRO
263 Choose this option if you want to use the notification LED on
264 Compaq/HP iPAQ h3100 and h3600.
267 tristate "LED Support for the HP Jornada 6xx"
268 depends on LEDS_CLASS
271 This option enables LED support for the handheld
272 HP Jornada 620/660/680/690.
275 tristate "LED driver for PCA9532 dimmer"
276 depends on LEDS_CLASS
277 depends on I2C && INPUT
279 This option enables support for NXP pca9532
280 LED controller. It is generally only useful
283 config LEDS_PCA9532_GPIO
284 bool "Enable GPIO support for PCA9532"
285 depends on LEDS_PCA9532
288 Allow unused pins on PCA9532 to be used as gpio.
290 To use a pin as gpio pca9532_type in pca9532_platform data needs to
291 set to PCA9532_TYPE_GPIO.
294 tristate "LED Support for GPIO connected LEDs"
295 depends on LEDS_CLASS
296 depends on GPIOLIB || COMPILE_TEST
298 This option enables support for the LEDs connected to GPIO
299 outputs. To be useful the particular board must have LEDs
300 and they must be connected to the GPIO lines. The LEDs must be
301 defined as platform devices and/or OpenFirmware platform devices.
302 The code to use these bindings can be selected below.
305 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
306 depends on LEDS_CLASS
309 This option enables support for LEDs connected to the National
310 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
313 To compile this driver as a module, choose M here: the
314 module will be called leds-lp3944.
317 tristate "LED Support for TI LP3952 2 channel LED driver"
318 depends on LEDS_CLASS
323 This option enables support for LEDs connected to the Texas
324 Instruments LP3952 LED driver.
326 To compile this driver as a module, choose M here: the
327 module will be called leds-lp3952.
329 config LEDS_LP55XX_COMMON
330 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
331 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
333 select FW_LOADER_USER_HELPER
335 This option supports common operations for LP5521/5523/55231/5562/8501
339 tristate "LED Support for N.S. LP5521 LED driver chip"
340 depends on LEDS_CLASS && I2C
341 select LEDS_LP55XX_COMMON
343 If you say yes here you get support for the National Semiconductor
344 LP5521 LED driver. It is 3 channel chip with programmable engines.
345 Driver provides direct control via LED class and interface for
346 programming the engines.
349 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
350 depends on LEDS_CLASS && I2C
351 select LEDS_LP55XX_COMMON
353 If you say yes here you get support for TI/National Semiconductor
354 LP5523/55231 LED driver.
355 It is 9 channel 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 LP5562 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 LP5562 LED driver.
365 It is 4 channels 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 LP8501 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 LP8501 LED driver.
375 It is 9 channel chip with programmable engines.
376 Driver provides direct control via LED class and interface for
377 programming the engines.
378 It is similar as LP5523, but output power selection is available.
379 And register layout and engine program schemes are different.
382 tristate "LED support for the TI LP8788 PMIC"
383 depends on LEDS_CLASS
384 depends on MFD_LP8788
386 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
389 tristate "LED support for the TI LP8860 4 channel LED driver"
390 depends on LEDS_CLASS && I2C && OF
393 If you say yes here you get support for the TI LP8860 4 channel
395 This option enables support for the display cluster LEDs
396 on the LP8860 4 channel LED driver using the I2C communication
399 config LEDS_CLEVO_MAIL
400 tristate "Mail LED on Clevo notebook"
401 depends on LEDS_CLASS
402 depends on X86 && SERIO_I8042 && DMI
404 This driver makes the mail LED accessible from userspace
405 programs through the leds subsystem. This LED have three
406 known mode: off, blink at 0.5Hz and blink at 1Hz.
408 The driver supports two kinds of interface: using ledtrig-timer
409 or through /sys/class/leds/clevo::mail/brightness. As this LED
410 cannot change it's brightness it blinks instead. The brightness
411 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
414 This module can drive the mail LED for the following notebooks:
419 Clevo D400V/D470V (not tested, but might work)
421 Clevo M5x0N (not tested, but might work)
422 Positivo Mobile (Clevo M5x0V)
424 If your model is not listed here you can try the "nodetect"
427 To compile this driver as a module, choose M here: the
428 module will be called leds-clevo-mail.
431 tristate "LED Support for PCA955x I2C chips"
432 depends on LEDS_CLASS
435 This option enables support for LEDs connected to PCA955x
436 LED driver chips accessed via the I2C bus. Supported
437 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
439 config LEDS_PCA955X_GPIO
440 bool "Enable GPIO support for PCA955X"
441 depends on LEDS_PCA955X
444 Allow unused pins on PCA955X to be used as gpio.
446 To use a pin as gpio the pin type should be set to
447 PCA955X_TYPE_GPIO in the device tree.
451 tristate "LED support for PCA963x I2C chip"
452 depends on LEDS_CLASS
455 This option enables support for LEDs connected to the PCA963x
456 LED driver chip accessed via the I2C bus. Supported
457 devices include PCA9633 and PCA9634
459 config LEDS_WM831X_STATUS
460 tristate "LED support for status LEDs on WM831x PMICs"
461 depends on LEDS_CLASS
462 depends on MFD_WM831X
464 This option enables support for the status LEDs of the WM831x
468 tristate "LED Support for WM8350 AudioPlus PMIC"
469 depends on LEDS_CLASS
470 depends on MFD_WM8350
472 This option enables support for LEDs driven by the Wolfson
473 Microelectronics WM8350 AudioPlus PMIC.
476 tristate "LED Support for DA9030/DA9034 PMIC"
477 depends on LEDS_CLASS
478 depends on PMIC_DA903X
480 This option enables support for on-chip LED drivers found
481 on Dialog Semiconductor DA9030/DA9034 PMICs.
484 tristate "Dialog DA9052/DA9053 LEDS"
485 depends on LEDS_CLASS
486 depends on PMIC_DA9052
488 This option enables support for on-chip LED drivers found
489 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
491 config LEDS_DAC124S085
492 tristate "LED Support for DAC124S085 SPI DAC"
493 depends on LEDS_CLASS
496 This option enables support for DAC124S085 SPI DAC from NatSemi,
497 which can be used to control up to four LEDs.
500 tristate "PWM driven LED Support"
501 depends on LEDS_CLASS
504 This option enables support for pwm driven LEDs
506 config LEDS_REGULATOR
507 tristate "REGULATOR driven LED support"
508 depends on LEDS_CLASS
511 This option enables support for regulator driven LEDs.
514 tristate "LED driver for BD2802 RGB LED"
515 depends on LEDS_CLASS
518 This option enables support for BD2802GU RGB LED driver chips
519 accessed via the I2C bus.
521 config LEDS_INTEL_SS4200
522 tristate "LED driver for Intel NAS SS4200 series"
523 depends on LEDS_CLASS
524 depends on PCI && DMI
527 This option enables support for the Intel SS4200 series of
528 Network Attached Storage servers. You may control the hard
529 drive or power LEDs on the front panel. Using this driver
530 can stop the front LED from blinking after startup.
533 tristate "LED driver for LT3593 controllers"
534 depends on LEDS_CLASS
535 depends on GPIOLIB || COMPILE_TEST
537 This option enables support for LEDs driven by a Linear Technology
538 LT3593 controller. This controller uses a special one-wire pulse
539 coding protocol to set the brightness.
542 tristate "LED Support for ADP5520/ADP5501 PMIC"
543 depends on LEDS_CLASS
544 depends on PMIC_ADP5520
546 This option enables support for on-chip LED drivers found
547 on Analog Devices ADP5520/ADP5501 PMICs.
549 To compile this driver as a module, choose M here: the module will
550 be called leds-adp5520.
553 tristate "LED Support for MC13XXX PMIC"
554 depends on LEDS_CLASS
555 depends on MFD_MC13XXX
557 This option enables support for on-chip LED drivers found
558 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
561 tristate "LED support for Network Space v2 GPIO LEDs"
562 depends on LEDS_CLASS
563 depends on MACH_KIRKWOOD || MACH_ARMADA_370
566 This option enables support for the dual-GPIO LEDs found on the
567 following LaCie/Seagate boards:
569 Network Space v2 (and parents: Max, Mini)
572 n090401 (Seagate NAS 4-Bay)
575 tristate "LED support for Big Network series LEDs"
576 depends on LEDS_CLASS
577 depends on MACH_KIRKWOOD
580 This option enables support for LEDs found on the LaCie 2Big
581 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
582 controlled through a GPIO extension bus.
585 bool "LED support for the HTC ASIC3"
586 depends on LEDS_CLASS=y
590 This option enables support for the LEDs on the HTC ASIC3. The HTC
591 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
592 cannot be used. This driver supports hardware blinking with an on+off
593 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
596 tristate "LED Support for TCA6507 I2C chip"
597 depends on LEDS_CLASS && I2C
599 This option enables support for LEDs connected to TC6507
600 LED driver chips accessed via the I2C bus.
601 Driver support brightness control and hardware-assisted blinking.
604 tristate "LED driver for TLC59108 and TLC59116 controllers"
605 depends on LEDS_CLASS && I2C
608 This option enables support for Texas Instruments TLC59108
609 and TLC59116 LED controllers.
612 tristate "LED support for MAX77693 Flash"
613 depends on LEDS_CLASS_FLASH
614 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
615 depends on MFD_MAX77693
618 This option enables support for the flash part of the MAX77693
619 multifunction device. It has build in control for two leds in flash
623 tristate "LED support for MAX8997 PMIC"
624 depends on LEDS_CLASS && MFD_MAX8997
626 This option enables support for on-chip LED drivers on
630 tristate "LED support for LM3554 and LM3556 chips"
631 depends on LEDS_CLASS && I2C
634 This option enables support for LEDs connected to LM3554
635 and LM3556. It includes Torch, Flash and Indicator functions.
638 tristate "LED support for the Bachmann OT200"
639 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
641 This option enables support for the LEDs on the Bachmann OT200.
642 Say Y to enable LEDs on the Bachmann OT200.
644 config LEDS_MENF21BMC
645 tristate "LED support for the MEN 14F021P00 BMC"
646 depends on LEDS_CLASS && MFD_MENF21BMC
648 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
650 This driver can also be built as a module. If so the module
651 will be called leds-menf21bmc.
654 tristate "LED support for KTD2692 flash LED controller"
655 depends on LEDS_CLASS_FLASH && OF
656 depends on GPIOLIB || COMPILE_TEST
658 This option enables support for KTD2692 LED flash connected
659 through ExpressWire interface.
661 Say Y to enable this driver.
663 config LEDS_IS31FL319X
664 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
665 depends on LEDS_CLASS && I2C && OF
668 This option enables support for LEDs connected to ISSI IS31FL319x
669 fancy LED driver chips accessed via the I2C bus.
670 Driver supports individual PWM brightness control for each channel.
672 This driver can also be built as a module. If so the module will be
673 called leds-is31fl319x.
675 config LEDS_IS31FL32XX
676 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
677 depends on LEDS_CLASS && I2C && OF
679 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
680 LED controllers. They are I2C devices with multiple constant-current
681 channels, each with independent 256-level PWM control.
683 config LEDS_SC27XX_BLTC
684 tristate "LED support for the SC27xx breathing light controller"
685 depends on LEDS_CLASS && MFD_SC27XX_PMIC
688 Say Y here to include support for the SC27xx breathing light controller
691 This driver can also be built as a module. If so the module will be
692 called leds-sc27xx-bltc.
694 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
697 tristate "LED support for the BlinkM I2C RGB LED"
698 depends on LEDS_CLASS
701 This option enables support for the BlinkM RGB LED connected
702 through I2C. Say Y to enable support for the BlinkM LED.
705 tristate "LED support for PowerNV Platform"
706 depends on LEDS_CLASS
707 depends on PPC_POWERNV
710 This option enables support for the system LEDs present on
711 PowerNV platforms. Say 'y' to enable this support in kernel.
712 To compile this driver as a module, choose 'm' here: the module
713 will be called leds-powernv.
716 bool "LED support for LEDs on system controllers"
717 depends on LEDS_CLASS=y
718 depends on MFD_SYSCON
721 This option enables support for the LEDs on syscon type
722 devices. This will only work with device tree enabled
726 tristate "LED Support for the Qualcomm PM8058 PMIC"
727 depends on MFD_PM8XXX
728 depends on LEDS_CLASS
730 Choose this option if you want to use the LED drivers in
731 the Qualcomm PM8058 PMIC.
734 tristate "LED support for the Mellanox boards"
735 depends on X86 && DMI
736 depends on LEDS_CLASS
738 This option enables support for the LEDs on the Mellanox
739 boards. Say Y to enable these.
742 tristate "LED support for the Mellanox switches management control"
743 depends on LEDS_CLASS
745 This option enables support for the LEDs on the Mellanox Ethernet and
746 InfiniBand switches. The driver can be activated by the platform device
747 device add call. Say Y to enable these. To compile this driver as a
748 module, choose 'M' here: the module will be called leds-mlxreg.
751 tristate "Userspace LED support"
752 depends on LEDS_CLASS
754 This option enables support for userspace LEDs. Say 'y' to enable this
755 support in kernel. To compile this driver as a module, choose 'm' here:
756 the module will be called uleds.
759 tristate "LED support for NI PXI NIC78bx devices"
760 depends on LEDS_CLASS
761 depends on X86 && ACPI
763 This option enables support for the User1 and User2 LEDs on NI
766 To compile this driver as a module, choose M here: the module
767 will be called leds-nic78bx.
769 comment "LED Triggers"
770 source "drivers/leds/trigger/Kconfig"