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.
232 tristate "LED Support for TI LP3952 2 channel LED driver"
233 depends on LEDS_CLASS
239 This option enables support for LEDs connected to the Texas
240 Instruments LP3952 LED driver.
242 To compile this driver as a module, choose M here: the
243 module will be called leds-lp3952.
245 config LEDS_LP55XX_COMMON
246 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
247 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
250 This option supports common operations for LP5521/5523/55231/5562/8501
254 tristate "LED Support for N.S. LP5521 LED driver chip"
255 depends on LEDS_CLASS && I2C
256 select LEDS_LP55XX_COMMON
258 If you say yes here you get support for the National Semiconductor
259 LP5521 LED driver. It is 3 channel chip with programmable engines.
260 Driver provides direct control via LED class and interface for
261 programming the engines.
264 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
265 depends on LEDS_CLASS && I2C
266 select LEDS_LP55XX_COMMON
268 If you say yes here you get support for TI/National Semiconductor
269 LP5523/55231 LED driver.
270 It is 9 channel chip with programmable engines.
271 Driver provides direct control via LED class and interface for
272 programming the engines.
275 tristate "LED Support for TI LP5562 LED driver chip"
276 depends on LEDS_CLASS && I2C
277 select LEDS_LP55XX_COMMON
279 If you say yes here you get support for TI LP5562 LED driver.
280 It is 4 channels chip with programmable engines.
281 Driver provides direct control via LED class and interface for
282 programming the engines.
285 tristate "LED Support for TI LP8501 LED driver chip"
286 depends on LEDS_CLASS && I2C
287 select LEDS_LP55XX_COMMON
289 If you say yes here you get support for TI LP8501 LED driver.
290 It is 9 channel chip with programmable engines.
291 Driver provides direct control via LED class and interface for
292 programming the engines.
293 It is similar as LP5523, but output power selection is available.
294 And register layout and engine program schemes are different.
297 tristate "LED support for the TI LP8788 PMIC"
298 depends on LEDS_CLASS
299 depends on MFD_LP8788
301 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
304 tristate "LED support for the TI LP8860 4 channel LED driver"
305 depends on LEDS_CLASS && I2C
308 If you say yes here you get support for the TI LP8860 4 channel
310 This option enables support for the display cluster LEDs
311 on the LP8860 4 channel LED driver using the I2C communication
314 config LEDS_CLEVO_MAIL
315 tristate "Mail LED on Clevo notebook"
316 depends on LEDS_CLASS
317 depends on X86 && SERIO_I8042 && DMI
319 This driver makes the mail LED accessible from userspace
320 programs through the leds subsystem. This LED have three
321 known mode: off, blink at 0.5Hz and blink at 1Hz.
323 The driver supports two kinds of interface: using ledtrig-timer
324 or through /sys/class/leds/clevo::mail/brightness. As this LED
325 cannot change it's brightness it blinks instead. The brightness
326 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
329 This module can drive the mail LED for the following notebooks:
334 Clevo D400V/D470V (not tested, but might work)
336 Clevo M5x0N (not tested, but might work)
337 Positivo Mobile (Clevo M5x0V)
339 If your model is not listed here you can try the "nodetect"
342 To compile this driver as a module, choose M here: the
343 module will be called leds-clevo-mail.
346 tristate "LED Support for PCA955x I2C chips"
347 depends on LEDS_CLASS
350 This option enables support for LEDs connected to PCA955x
351 LED driver chips accessed via the I2C bus. Supported
352 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
355 tristate "LED support for PCA963x I2C chip"
356 depends on LEDS_CLASS
359 This option enables support for LEDs connected to the PCA963x
360 LED driver chip accessed via the I2C bus. Supported
361 devices include PCA9633 and PCA9634
363 config LEDS_WM831X_STATUS
364 tristate "LED support for status LEDs on WM831x PMICs"
365 depends on LEDS_CLASS
366 depends on MFD_WM831X
368 This option enables support for the status LEDs of the WM831x
372 tristate "LED Support for WM8350 AudioPlus PMIC"
373 depends on LEDS_CLASS
374 depends on MFD_WM8350
376 This option enables support for LEDs driven by the Wolfson
377 Microelectronics WM8350 AudioPlus PMIC.
380 tristate "LED Support for DA9030/DA9034 PMIC"
381 depends on LEDS_CLASS
382 depends on PMIC_DA903X
384 This option enables support for on-chip LED drivers found
385 on Dialog Semiconductor DA9030/DA9034 PMICs.
388 tristate "Dialog DA9052/DA9053 LEDS"
389 depends on LEDS_CLASS
390 depends on PMIC_DA9052
392 This option enables support for on-chip LED drivers found
393 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
395 config LEDS_DAC124S085
396 tristate "LED Support for DAC124S085 SPI DAC"
397 depends on LEDS_CLASS
400 This option enables support for DAC124S085 SPI DAC from NatSemi,
401 which can be used to control up to four LEDs.
404 tristate "PWM driven LED Support"
405 depends on LEDS_CLASS
408 This option enables support for pwm driven LEDs
410 config LEDS_REGULATOR
411 tristate "REGULATOR driven LED support"
412 depends on LEDS_CLASS
415 This option enables support for regulator driven LEDs.
418 tristate "LED driver for BD2802 RGB LED"
419 depends on LEDS_CLASS
422 This option enables support for BD2802GU RGB LED driver chips
423 accessed via the I2C bus.
425 config LEDS_INTEL_SS4200
426 tristate "LED driver for Intel NAS SS4200 series"
427 depends on LEDS_CLASS
428 depends on PCI && DMI
431 This option enables support for the Intel SS4200 series of
432 Network Attached Storage servers. You may control the hard
433 drive or power LEDs on the front panel. Using this driver
434 can stop the front LED from blinking after startup.
437 tristate "LED driver for LT3593 controllers"
438 depends on LEDS_CLASS
439 depends on GPIOLIB || COMPILE_TEST
441 This option enables support for LEDs driven by a Linear Technology
442 LT3593 controller. This controller uses a special one-wire pulse
443 coding protocol to set the brightness.
446 tristate "LED Support for ADP5520/ADP5501 PMIC"
447 depends on LEDS_CLASS
448 depends on PMIC_ADP5520
450 This option enables support for on-chip LED drivers found
451 on Analog Devices ADP5520/ADP5501 PMICs.
453 To compile this driver as a module, choose M here: the module will
454 be called leds-adp5520.
456 config LEDS_DELL_NETBOOKS
457 tristate "External LED on Dell Business Netbooks"
458 depends on LEDS_CLASS
459 depends on X86 && ACPI_WMI
460 depends on DELL_SMBIOS
462 This adds support for the Latitude 2100 and similar
463 notebooks that have an external LED.
466 tristate "LED Support for MC13XXX PMIC"
467 depends on LEDS_CLASS
468 depends on MFD_MC13XXX
470 This option enable support for on-chip LED drivers found
471 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
474 tristate "LED support for Network Space v2 GPIO LEDs"
475 depends on LEDS_CLASS
476 depends on MACH_KIRKWOOD || MACH_ARMADA_370
479 This option enables support for the dual-GPIO LEDs found on the
480 following LaCie/Seagate boards:
482 Network Space v2 (and parents: Max, Mini)
485 n090401 (Seagate NAS 4-Bay)
488 tristate "LED support for Big Network series LEDs"
489 depends on LEDS_CLASS
490 depends on MACH_KIRKWOOD
493 This option enable support for LEDs found on the LaCie 2Big
494 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
495 controlled through a GPIO extension bus.
498 bool "LED support for the HTC ASIC3"
499 depends on LEDS_CLASS=y
503 This option enables support for the LEDs on the HTC ASIC3. The HTC
504 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
505 cannot be used. This driver supports hardware blinking with an on+off
506 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
509 tristate "LED Support for TCA6507 I2C chip"
510 depends on LEDS_CLASS && I2C
512 This option enables support for LEDs connected to TC6507
513 LED driver chips accessed via the I2C bus.
514 Driver support brightness control and hardware-assisted blinking.
517 tristate "LED driver for TLC59108 and TLC59116 controllers"
518 depends on LEDS_CLASS && I2C
521 This option enables support for Texas Instruments TLC59108
522 and TLC59116 LED controllers.
525 tristate "LED support for MAX77693 Flash"
526 depends on LEDS_CLASS_FLASH
527 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
528 depends on MFD_MAX77693
531 This option enables support for the flash part of the MAX77693
532 multifunction device. It has build in control for two leds in flash
536 tristate "LED support for MAX8997 PMIC"
537 depends on LEDS_CLASS && MFD_MAX8997
539 This option enables support for on-chip LED drivers on
543 tristate "LED support for LM355x Chips, LM3554 and LM3556"
544 depends on LEDS_CLASS && I2C
547 This option enables support for LEDs connected to LM355x.
548 LM355x includes Torch, Flash and Indicator functions.
551 tristate "LED support for the Bachmann OT200"
552 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
554 This option enables support for the LEDs on the Bachmann OT200.
555 Say Y to enable LEDs on the Bachmann OT200.
557 config LEDS_MENF21BMC
558 tristate "LED support for the MEN 14F021P00 BMC"
559 depends on LEDS_CLASS && MFD_MENF21BMC
561 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
563 This driver can also be built as a module. If so the module
564 will be called leds-menf21bmc.
567 tristate "LED support for KTD2692 flash LED controller"
568 depends on LEDS_CLASS_FLASH && OF
569 depends on GPIOLIB || COMPILE_TEST
571 This option enables support for KTD2692 LED flash connected
572 through ExpressWire interface.
574 Say Y to enable this driver.
577 tristate "LED support for the MIPS SEAD 3 board"
578 depends on LEDS_CLASS && MIPS_SEAD3
580 Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
583 This driver can also be built as a module. If so the module
584 will be called leds-sead3.
586 config LEDS_IS31FL319X
587 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
588 depends on LEDS_CLASS && I2C && OF
591 This option enables support for LEDs connected to ISSI IS31FL319x
592 fancy LED driver chips accessed via the I2C bus.
593 Driver supports individual PWM brightness control for each channel.
595 This driver can also be built as a module. If so the module will be
596 called leds-is31fl319x.
598 config LEDS_IS31FL32XX
599 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
600 depends on LEDS_CLASS && I2C && OF
602 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
603 LED controllers. They are I2C devices with multiple constant-current
604 channels, each with independent 256-level PWM control.
606 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
609 tristate "LED support for the BlinkM I2C RGB LED"
610 depends on LEDS_CLASS
613 This option enables support for the BlinkM RGB LED connected
614 through I2C. Say Y to enable support for the BlinkM LED.
617 tristate "LED support for PowerNV Platform"
618 depends on LEDS_CLASS
619 depends on PPC_POWERNV
622 This option enables support for the system LEDs present on
623 PowerNV platforms. Say 'y' to enable this support in kernel.
624 To compile this driver as a module, choose 'm' here: the module
625 will be called leds-powernv.
628 bool "LED support for LEDs on system controllers"
629 depends on LEDS_CLASS=y
630 depends on MFD_SYSCON
633 This option enabled support for the LEDs on syscon type
634 devices. This will only work with device tree enabled
637 config LEDS_VERSATILE
638 tristate "LED support for the ARM Versatile and RealView"
639 depends on ARCH_REALVIEW || ARCH_VERSATILE
640 depends on LEDS_CLASS
642 This option enabled support for the LEDs on the ARM Versatile
643 and RealView boards. Say Y to enabled these.
646 tristate "LED Support for the Qualcomm PM8058 PMIC"
647 depends on MFD_PM8XXX
648 depends on LEDS_CLASS
650 Choose this option if you want to use the LED drivers in
651 the Qualcomm PM8058 PMIC.
654 tristate "LED support for the Mellanox boards"
655 depends on X86_64 && DMI
656 depends on LEDS_CLASS
658 This option enabled support for the LEDs on the Mellanox
659 boards. Say Y to enabled these.
662 tristate "Userspace LED support"
663 depends on LEDS_CLASS
665 This option enables support for userspace LEDs. Say 'y' to enable this
666 support in kernel. To compile this driver as a module, choose 'm' here:
667 the module will be called uleds.
670 tristate "LED support for NI PXI NIC78bx devices"
671 depends on LEDS_CLASS
672 depends on X86 && ACPI
674 This option enables support for the User1 and User2 LEDs on NI
677 To compile this driver as a module, choose M here: the module
678 will be called leds-nic78bx.
680 comment "LED Triggers"
681 source "drivers/leds/trigger/Kconfig"