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.
61 tristate "Front panel LED support for PC Engines APU/APU2 boards"
65 This driver makes the PC Engines APU/APU2 front panel LEDs
66 accessible from userspace programs through the LED subsystem.
68 To compile this driver as a module, choose M here: the
69 module will be called leds-apu.
72 tristate "AS3645A LED flash controller support"
73 depends on I2C && LEDS_CLASS_FLASH
74 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
76 Enable LED flash class support for AS3645A LED flash
77 controller. V4L2 flash API is provided as well if
78 CONFIG_V4L2_FLASH_API is enabled.
81 tristate "LED Support for Broadcom BCM6328"
86 This option enables support for LEDs connected to the BCM6328
87 LED HW controller accessed via MMIO registers.
90 tristate "LED Support for Broadcom BCM6358"
95 This option enables support for LEDs connected to the BCM6358
96 LED HW controller accessed via MMIO registers.
99 tristate "LED Support for Motorola CPCAP"
100 depends on LEDS_CLASS
104 This option enables support for LEDs offered by Motorola's
108 tristate "LCD Backlight driver for LM3530"
109 depends on LEDS_CLASS
112 This option enables support for the LCD backlight using
113 LM3530 ambient light sensor chip. This ALS chip can be
114 controlled manually or using PWM input or using ambient
118 tristate "LED support for LM3533"
119 depends on LEDS_CLASS
120 depends on MFD_LM3533
122 This option enables support for the LEDs on National Semiconductor /
123 TI LM3533 Lighting Power chips.
125 The LEDs can be controlled directly, through PWM input, or by the
126 ambient-light-sensor interface. The chip supports
127 hardware-accelerated blinking with maximum on and off periods of 9.8
128 and 77 seconds respectively.
131 tristate "LED support for LM3642 Chip"
132 depends on LEDS_CLASS && I2C
135 This option enables support for LEDs connected to LM3642.
136 The LM3642 is a 4MHz fixed-frequency synchronous boost
137 converter plus 1.5A constant current driver for a high-current
141 tristate "LED support for LM3692x Chips"
142 depends on LEDS_CLASS && I2C && OF
145 This option enables support for the TI LM3692x family
146 of white LED string drivers used for backlighting.
149 tristate "LED Support for Locomo device"
150 depends on LEDS_CLASS
151 depends on SHARP_LOCOMO
153 This option enables support for the LEDs on Sharp Locomo.
154 Zaurus models SL-5500 and SL-5600.
156 config LEDS_MIKROTIK_RB532
157 tristate "LED Support for Mikrotik Routerboard 532"
158 depends on LEDS_CLASS
159 depends on MIKROTIK_RB532
161 This option enables support for the so called "User LED" of
162 Mikrotik's Routerboard 532.
165 tristate "LED Support for Mediatek MT6323 PMIC"
166 depends on LEDS_CLASS
167 depends on MFD_MT6397
169 This option enables support for on-chip LED drivers found on
170 Mediatek MT6323 PMIC.
173 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
174 depends on LEDS_CLASS
175 depends on ARCH_S3C24XX
177 This option enables support for LEDs connected to GPIO lines
178 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
181 tristate "LED Support for Soekris net48xx series Error LED"
182 depends on LEDS_CLASS
183 depends on SCx200_GPIO
185 This option enables support for the Soekris net4801 and net4826 error
189 tristate "LED Support for the Freecom FSG-3"
190 depends on LEDS_CLASS
193 This option enables support for the LEDs on the Freecom FSG-3.
196 tristate "LED Support for the WRAP series LEDs"
197 depends on LEDS_CLASS
198 depends on SCx200_GPIO
200 This option enables support for the PCEngines WRAP programmable LEDs.
202 config LEDS_COBALT_QUBE
203 tristate "LED Support for the Cobalt Qube series front LED"
204 depends on LEDS_CLASS
205 depends on MIPS_COBALT
207 This option enables support for the front LED on Cobalt Qube series
209 config LEDS_COBALT_RAQ
210 bool "LED Support for the Cobalt Raq series"
211 depends on LEDS_CLASS=y && MIPS_COBALT
214 This option enables support for the Cobalt Raq series LEDs.
217 tristate "LED support for SunFire servers."
218 depends on LEDS_CLASS
222 This option enables support for the Left, Middle, and Right
223 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
225 config LEDS_IPAQ_MICRO
226 tristate "LED Support for the Compaq iPAQ h3xxx"
227 depends on LEDS_CLASS
228 depends on MFD_IPAQ_MICRO
230 Choose this option if you want to use the notification LED on
231 Compaq/HP iPAQ h3100 and h3600.
234 tristate "LED Support for the HP Jornada 6xx"
235 depends on LEDS_CLASS
238 This option enables LED support for the handheld
239 HP Jornada 620/660/680/690.
242 tristate "LED driver for PCA9532 dimmer"
243 depends on LEDS_CLASS
244 depends on I2C && INPUT
246 This option enables support for NXP pca9532
247 LED controller. It is generally only useful
250 config LEDS_PCA9532_GPIO
251 bool "Enable GPIO support for PCA9532"
252 depends on LEDS_PCA9532
255 Allow unused pins on PCA9532 to be used as gpio.
257 To use a pin as gpio pca9532_type in pca9532_platform data needs to
258 set to PCA9532_TYPE_GPIO.
261 tristate "LED Support for GPIO connected LEDs"
262 depends on LEDS_CLASS
263 depends on GPIOLIB || COMPILE_TEST
265 This option enables support for the LEDs connected to GPIO
266 outputs. To be useful the particular board must have LEDs
267 and they must be connected to the GPIO lines. The LEDs must be
268 defined as platform devices and/or OpenFirmware platform devices.
269 The code to use these bindings can be selected below.
272 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
273 depends on LEDS_CLASS
276 This option enables support for LEDs connected to the National
277 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
280 To compile this driver as a module, choose M here: the
281 module will be called leds-lp3944.
284 tristate "LED Support for TI LP3952 2 channel LED driver"
285 depends on LEDS_CLASS
290 This option enables support for LEDs connected to the Texas
291 Instruments LP3952 LED driver.
293 To compile this driver as a module, choose M here: the
294 module will be called leds-lp3952.
296 config LEDS_LP55XX_COMMON
297 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
298 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
300 select FW_LOADER_USER_HELPER
302 This option supports common operations for LP5521/5523/55231/5562/8501
306 tristate "LED Support for N.S. LP5521 LED driver chip"
307 depends on LEDS_CLASS && I2C
308 select LEDS_LP55XX_COMMON
310 If you say yes here you get support for the National Semiconductor
311 LP5521 LED driver. It is 3 channel chip with programmable engines.
312 Driver provides direct control via LED class and interface for
313 programming the engines.
316 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
317 depends on LEDS_CLASS && I2C
318 select LEDS_LP55XX_COMMON
320 If you say yes here you get support for TI/National Semiconductor
321 LP5523/55231 LED driver.
322 It is 9 channel chip with programmable engines.
323 Driver provides direct control via LED class and interface for
324 programming the engines.
327 tristate "LED Support for TI LP5562 LED driver chip"
328 depends on LEDS_CLASS && I2C
329 select LEDS_LP55XX_COMMON
331 If you say yes here you get support for TI LP5562 LED driver.
332 It is 4 channels chip with programmable engines.
333 Driver provides direct control via LED class and interface for
334 programming the engines.
337 tristate "LED Support for TI LP8501 LED driver chip"
338 depends on LEDS_CLASS && I2C
339 select LEDS_LP55XX_COMMON
341 If you say yes here you get support for TI LP8501 LED driver.
342 It is 9 channel chip with programmable engines.
343 Driver provides direct control via LED class and interface for
344 programming the engines.
345 It is similar as LP5523, but output power selection is available.
346 And register layout and engine program schemes are different.
349 tristate "LED support for the TI LP8788 PMIC"
350 depends on LEDS_CLASS
351 depends on MFD_LP8788
353 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
356 tristate "LED support for the TI LP8860 4 channel LED driver"
357 depends on LEDS_CLASS && I2C && OF
360 If you say yes here you get support for the TI LP8860 4 channel
362 This option enables support for the display cluster LEDs
363 on the LP8860 4 channel LED driver using the I2C communication
366 config LEDS_CLEVO_MAIL
367 tristate "Mail LED on Clevo notebook"
368 depends on LEDS_CLASS
369 depends on X86 && SERIO_I8042 && DMI
371 This driver makes the mail LED accessible from userspace
372 programs through the leds subsystem. This LED have three
373 known mode: off, blink at 0.5Hz and blink at 1Hz.
375 The driver supports two kinds of interface: using ledtrig-timer
376 or through /sys/class/leds/clevo::mail/brightness. As this LED
377 cannot change it's brightness it blinks instead. The brightness
378 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
381 This module can drive the mail LED for the following notebooks:
386 Clevo D400V/D470V (not tested, but might work)
388 Clevo M5x0N (not tested, but might work)
389 Positivo Mobile (Clevo M5x0V)
391 If your model is not listed here you can try the "nodetect"
394 To compile this driver as a module, choose M here: the
395 module will be called leds-clevo-mail.
398 tristate "LED Support for PCA955x I2C chips"
399 depends on LEDS_CLASS
402 This option enables support for LEDs connected to PCA955x
403 LED driver chips accessed via the I2C bus. Supported
404 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
406 config LEDS_PCA955X_GPIO
407 bool "Enable GPIO support for PCA955X"
408 depends on LEDS_PCA955X
411 Allow unused pins on PCA955X to be used as gpio.
413 To use a pin as gpio the pin type should be set to
414 PCA955X_TYPE_GPIO in the device tree.
418 tristate "LED support for PCA963x I2C chip"
419 depends on LEDS_CLASS
422 This option enables support for LEDs connected to the PCA963x
423 LED driver chip accessed via the I2C bus. Supported
424 devices include PCA9633 and PCA9634
426 config LEDS_WM831X_STATUS
427 tristate "LED support for status LEDs on WM831x PMICs"
428 depends on LEDS_CLASS
429 depends on MFD_WM831X
431 This option enables support for the status LEDs of the WM831x
435 tristate "LED Support for WM8350 AudioPlus PMIC"
436 depends on LEDS_CLASS
437 depends on MFD_WM8350
439 This option enables support for LEDs driven by the Wolfson
440 Microelectronics WM8350 AudioPlus PMIC.
443 tristate "LED Support for DA9030/DA9034 PMIC"
444 depends on LEDS_CLASS
445 depends on PMIC_DA903X
447 This option enables support for on-chip LED drivers found
448 on Dialog Semiconductor DA9030/DA9034 PMICs.
451 tristate "Dialog DA9052/DA9053 LEDS"
452 depends on LEDS_CLASS
453 depends on PMIC_DA9052
455 This option enables support for on-chip LED drivers found
456 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
458 config LEDS_DAC124S085
459 tristate "LED Support for DAC124S085 SPI DAC"
460 depends on LEDS_CLASS
463 This option enables support for DAC124S085 SPI DAC from NatSemi,
464 which can be used to control up to four LEDs.
467 tristate "PWM driven LED Support"
468 depends on LEDS_CLASS
471 This option enables support for pwm driven LEDs
473 config LEDS_REGULATOR
474 tristate "REGULATOR driven LED support"
475 depends on LEDS_CLASS
478 This option enables support for regulator driven LEDs.
481 tristate "LED driver for BD2802 RGB LED"
482 depends on LEDS_CLASS
485 This option enables support for BD2802GU RGB LED driver chips
486 accessed via the I2C bus.
488 config LEDS_INTEL_SS4200
489 tristate "LED driver for Intel NAS SS4200 series"
490 depends on LEDS_CLASS
491 depends on PCI && DMI
494 This option enables support for the Intel SS4200 series of
495 Network Attached Storage servers. You may control the hard
496 drive or power LEDs on the front panel. Using this driver
497 can stop the front LED from blinking after startup.
500 tristate "LED driver for LT3593 controllers"
501 depends on LEDS_CLASS
502 depends on GPIOLIB || COMPILE_TEST
504 This option enables support for LEDs driven by a Linear Technology
505 LT3593 controller. This controller uses a special one-wire pulse
506 coding protocol to set the brightness.
509 tristate "LED Support for ADP5520/ADP5501 PMIC"
510 depends on LEDS_CLASS
511 depends on PMIC_ADP5520
513 This option enables support for on-chip LED drivers found
514 on Analog Devices ADP5520/ADP5501 PMICs.
516 To compile this driver as a module, choose M here: the module will
517 be called leds-adp5520.
520 tristate "LED Support for MC13XXX PMIC"
521 depends on LEDS_CLASS
522 depends on MFD_MC13XXX
524 This option enable support for on-chip LED drivers found
525 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
528 tristate "LED support for Network Space v2 GPIO LEDs"
529 depends on LEDS_CLASS
530 depends on MACH_KIRKWOOD || MACH_ARMADA_370
533 This option enables support for the dual-GPIO LEDs found on the
534 following LaCie/Seagate boards:
536 Network Space v2 (and parents: Max, Mini)
539 n090401 (Seagate NAS 4-Bay)
542 tristate "LED support for Big Network series LEDs"
543 depends on LEDS_CLASS
544 depends on MACH_KIRKWOOD
547 This option enable support for LEDs found on the LaCie 2Big
548 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
549 controlled through a GPIO extension bus.
552 bool "LED support for the HTC ASIC3"
553 depends on LEDS_CLASS=y
557 This option enables support for the LEDs on the HTC ASIC3. The HTC
558 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
559 cannot be used. This driver supports hardware blinking with an on+off
560 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
563 tristate "LED Support for TCA6507 I2C chip"
564 depends on LEDS_CLASS && I2C
566 This option enables support for LEDs connected to TC6507
567 LED driver chips accessed via the I2C bus.
568 Driver support brightness control and hardware-assisted blinking.
571 tristate "LED driver for TLC59108 and TLC59116 controllers"
572 depends on LEDS_CLASS && I2C
575 This option enables support for Texas Instruments TLC59108
576 and TLC59116 LED controllers.
579 tristate "LED support for MAX77693 Flash"
580 depends on LEDS_CLASS_FLASH
581 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
582 depends on MFD_MAX77693
585 This option enables support for the flash part of the MAX77693
586 multifunction device. It has build in control for two leds in flash
590 tristate "LED support for MAX8997 PMIC"
591 depends on LEDS_CLASS && MFD_MAX8997
593 This option enables support for on-chip LED drivers on
597 tristate "LED support for LM355x Chips, LM3554 and LM3556"
598 depends on LEDS_CLASS && I2C
601 This option enables support for LEDs connected to LM355x.
602 LM355x includes Torch, Flash and Indicator functions.
605 tristate "LED support for the Bachmann OT200"
606 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
608 This option enables support for the LEDs on the Bachmann OT200.
609 Say Y to enable LEDs on the Bachmann OT200.
611 config LEDS_MENF21BMC
612 tristate "LED support for the MEN 14F021P00 BMC"
613 depends on LEDS_CLASS && MFD_MENF21BMC
615 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
617 This driver can also be built as a module. If so the module
618 will be called leds-menf21bmc.
621 tristate "LED support for KTD2692 flash LED controller"
622 depends on LEDS_CLASS_FLASH && OF
623 depends on GPIOLIB || COMPILE_TEST
625 This option enables support for KTD2692 LED flash connected
626 through ExpressWire interface.
628 Say Y to enable this driver.
630 config LEDS_IS31FL319X
631 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
632 depends on LEDS_CLASS && I2C && OF
635 This option enables support for LEDs connected to ISSI IS31FL319x
636 fancy LED driver chips accessed via the I2C bus.
637 Driver supports individual PWM brightness control for each channel.
639 This driver can also be built as a module. If so the module will be
640 called leds-is31fl319x.
642 config LEDS_IS31FL32XX
643 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
644 depends on LEDS_CLASS && I2C && OF
646 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
647 LED controllers. They are I2C devices with multiple constant-current
648 channels, each with independent 256-level PWM control.
650 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
653 tristate "LED support for the BlinkM I2C RGB LED"
654 depends on LEDS_CLASS
657 This option enables support for the BlinkM RGB LED connected
658 through I2C. Say Y to enable support for the BlinkM LED.
661 tristate "LED support for PowerNV Platform"
662 depends on LEDS_CLASS
663 depends on PPC_POWERNV
666 This option enables support for the system LEDs present on
667 PowerNV platforms. Say 'y' to enable this support in kernel.
668 To compile this driver as a module, choose 'm' here: the module
669 will be called leds-powernv.
672 bool "LED support for LEDs on system controllers"
673 depends on LEDS_CLASS=y
674 depends on MFD_SYSCON
677 This option enabled support for the LEDs on syscon type
678 devices. This will only work with device tree enabled
682 tristate "LED Support for the Qualcomm PM8058 PMIC"
683 depends on MFD_PM8XXX
684 depends on LEDS_CLASS
686 Choose this option if you want to use the LED drivers in
687 the Qualcomm PM8058 PMIC.
690 tristate "LED support for the Mellanox boards"
691 depends on X86_64 && DMI
692 depends on LEDS_CLASS
694 This option enabled support for the LEDs on the Mellanox
695 boards. Say Y to enabled these.
698 tristate "Userspace LED support"
699 depends on LEDS_CLASS
701 This option enables support for userspace LEDs. Say 'y' to enable this
702 support in kernel. To compile this driver as a module, choose 'm' here:
703 the module will be called uleds.
706 tristate "LED support for NI PXI NIC78bx devices"
707 depends on LEDS_CLASS
708 depends on X86 && ACPI
710 This option enables support for the User1 and User2 LEDs on NI
713 To compile this driver as a module, choose M here: the module
714 will be called leds-nic78bx.
716 comment "LED Triggers"
717 source "drivers/leds/trigger/Kconfig"