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
142 tristate "LED Support for Locomo device"
143 depends on LEDS_CLASS
144 depends on SHARP_LOCOMO
146 This option enables support for the LEDs on Sharp Locomo.
147 Zaurus models SL-5500 and SL-5600.
149 config LEDS_MIKROTIK_RB532
150 tristate "LED Support for Mikrotik Routerboard 532"
151 depends on LEDS_CLASS
152 depends on MIKROTIK_RB532
154 This option enables support for the so called "User LED" of
155 Mikrotik's Routerboard 532.
158 tristate "LED Support for Mediatek MT6323 PMIC"
159 depends on LEDS_CLASS
160 depends on MFD_MT6397
162 This option enables support for on-chip LED drivers found on
163 Mediatek MT6323 PMIC.
166 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
167 depends on LEDS_CLASS
168 depends on ARCH_S3C24XX
170 This option enables support for LEDs connected to GPIO lines
171 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
174 tristate "LED Support for Soekris net48xx series Error LED"
175 depends on LEDS_CLASS
176 depends on SCx200_GPIO
178 This option enables support for the Soekris net4801 and net4826 error
182 tristate "LED Support for the Freecom FSG-3"
183 depends on LEDS_CLASS
186 This option enables support for the LEDs on the Freecom FSG-3.
189 tristate "LED Support for the WRAP series LEDs"
190 depends on LEDS_CLASS
191 depends on SCx200_GPIO
193 This option enables support for the PCEngines WRAP programmable LEDs.
195 config LEDS_COBALT_QUBE
196 tristate "LED Support for the Cobalt Qube series front LED"
197 depends on LEDS_CLASS
198 depends on MIPS_COBALT
200 This option enables support for the front LED on Cobalt Qube series
202 config LEDS_COBALT_RAQ
203 bool "LED Support for the Cobalt Raq series"
204 depends on LEDS_CLASS=y && MIPS_COBALT
207 This option enables support for the Cobalt Raq series LEDs.
210 tristate "LED support for SunFire servers."
211 depends on LEDS_CLASS
215 This option enables support for the Left, Middle, and Right
216 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
218 config LEDS_IPAQ_MICRO
219 tristate "LED Support for the Compaq iPAQ h3xxx"
220 depends on LEDS_CLASS
221 depends on MFD_IPAQ_MICRO
223 Choose this option if you want to use the notification LED on
224 Compaq/HP iPAQ h3100 and h3600.
227 tristate "LED Support for the HP Jornada 6xx"
228 depends on LEDS_CLASS
231 This option enables LED support for the handheld
232 HP Jornada 620/660/680/690.
235 tristate "LED driver for PCA9532 dimmer"
236 depends on LEDS_CLASS
237 depends on I2C && INPUT
239 This option enables support for NXP pca9532
240 LED controller. It is generally only useful
243 config LEDS_PCA9532_GPIO
244 bool "Enable GPIO support for PCA9532"
245 depends on LEDS_PCA9532
248 Allow unused pins on PCA9532 to be used as gpio.
250 To use a pin as gpio pca9532_type in pca9532_platform data needs to
251 set to PCA9532_TYPE_GPIO.
254 tristate "LED Support for GPIO connected LEDs"
255 depends on LEDS_CLASS
256 depends on GPIOLIB || COMPILE_TEST
258 This option enables support for the LEDs connected to GPIO
259 outputs. To be useful the particular board must have LEDs
260 and they must be connected to the GPIO lines. The LEDs must be
261 defined as platform devices and/or OpenFirmware platform devices.
262 The code to use these bindings can be selected below.
265 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
266 depends on LEDS_CLASS
269 This option enables support for LEDs connected to the National
270 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
273 To compile this driver as a module, choose M here: the
274 module will be called leds-lp3944.
277 tristate "LED Support for TI LP3952 2 channel LED driver"
278 depends on LEDS_CLASS
283 This option enables support for LEDs connected to the Texas
284 Instruments LP3952 LED driver.
286 To compile this driver as a module, choose M here: the
287 module will be called leds-lp3952.
289 config LEDS_LP55XX_COMMON
290 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
291 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
293 select FW_LOADER_USER_HELPER
295 This option supports common operations for LP5521/5523/55231/5562/8501
299 tristate "LED Support for N.S. LP5521 LED driver chip"
300 depends on LEDS_CLASS && I2C
301 select LEDS_LP55XX_COMMON
303 If you say yes here you get support for the National Semiconductor
304 LP5521 LED driver. It is 3 channel chip with programmable engines.
305 Driver provides direct control via LED class and interface for
306 programming the engines.
309 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
310 depends on LEDS_CLASS && I2C
311 select LEDS_LP55XX_COMMON
313 If you say yes here you get support for TI/National Semiconductor
314 LP5523/55231 LED driver.
315 It is 9 channel chip with programmable engines.
316 Driver provides direct control via LED class and interface for
317 programming the engines.
320 tristate "LED Support for TI LP5562 LED driver chip"
321 depends on LEDS_CLASS && I2C
322 select LEDS_LP55XX_COMMON
324 If you say yes here you get support for TI LP5562 LED driver.
325 It is 4 channels chip with programmable engines.
326 Driver provides direct control via LED class and interface for
327 programming the engines.
330 tristate "LED Support for TI LP8501 LED driver chip"
331 depends on LEDS_CLASS && I2C
332 select LEDS_LP55XX_COMMON
334 If you say yes here you get support for TI LP8501 LED driver.
335 It is 9 channel chip with programmable engines.
336 Driver provides direct control via LED class and interface for
337 programming the engines.
338 It is similar as LP5523, but output power selection is available.
339 And register layout and engine program schemes are different.
342 tristate "LED support for the TI LP8788 PMIC"
343 depends on LEDS_CLASS
344 depends on MFD_LP8788
346 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
349 tristate "LED support for the TI LP8860 4 channel LED driver"
350 depends on LEDS_CLASS && I2C
353 If you say yes here you get support for the TI LP8860 4 channel
355 This option enables support for the display cluster LEDs
356 on the LP8860 4 channel LED driver using the I2C communication
359 config LEDS_CLEVO_MAIL
360 tristate "Mail LED on Clevo notebook"
361 depends on LEDS_CLASS
362 depends on X86 && SERIO_I8042 && DMI
364 This driver makes the mail LED accessible from userspace
365 programs through the leds subsystem. This LED have three
366 known mode: off, blink at 0.5Hz and blink at 1Hz.
368 The driver supports two kinds of interface: using ledtrig-timer
369 or through /sys/class/leds/clevo::mail/brightness. As this LED
370 cannot change it's brightness it blinks instead. The brightness
371 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
374 This module can drive the mail LED for the following notebooks:
379 Clevo D400V/D470V (not tested, but might work)
381 Clevo M5x0N (not tested, but might work)
382 Positivo Mobile (Clevo M5x0V)
384 If your model is not listed here you can try the "nodetect"
387 To compile this driver as a module, choose M here: the
388 module will be called leds-clevo-mail.
391 tristate "LED Support for PCA955x I2C chips"
392 depends on LEDS_CLASS
395 This option enables support for LEDs connected to PCA955x
396 LED driver chips accessed via the I2C bus. Supported
397 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
399 config LEDS_PCA955X_GPIO
400 bool "Enable GPIO support for PCA955X"
401 depends on LEDS_PCA955X
404 Allow unused pins on PCA955X to be used as gpio.
406 To use a pin as gpio the pin type should be set to
407 PCA955X_TYPE_GPIO in the device tree.
411 tristate "LED support for PCA963x I2C chip"
412 depends on LEDS_CLASS
415 This option enables support for LEDs connected to the PCA963x
416 LED driver chip accessed via the I2C bus. Supported
417 devices include PCA9633 and PCA9634
419 config LEDS_WM831X_STATUS
420 tristate "LED support for status LEDs on WM831x PMICs"
421 depends on LEDS_CLASS
422 depends on MFD_WM831X
424 This option enables support for the status LEDs of the WM831x
428 tristate "LED Support for WM8350 AudioPlus PMIC"
429 depends on LEDS_CLASS
430 depends on MFD_WM8350
432 This option enables support for LEDs driven by the Wolfson
433 Microelectronics WM8350 AudioPlus PMIC.
436 tristate "LED Support for DA9030/DA9034 PMIC"
437 depends on LEDS_CLASS
438 depends on PMIC_DA903X
440 This option enables support for on-chip LED drivers found
441 on Dialog Semiconductor DA9030/DA9034 PMICs.
444 tristate "Dialog DA9052/DA9053 LEDS"
445 depends on LEDS_CLASS
446 depends on PMIC_DA9052
448 This option enables support for on-chip LED drivers found
449 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
451 config LEDS_DAC124S085
452 tristate "LED Support for DAC124S085 SPI DAC"
453 depends on LEDS_CLASS
456 This option enables support for DAC124S085 SPI DAC from NatSemi,
457 which can be used to control up to four LEDs.
460 tristate "PWM driven LED Support"
461 depends on LEDS_CLASS
464 This option enables support for pwm driven LEDs
466 config LEDS_REGULATOR
467 tristate "REGULATOR driven LED support"
468 depends on LEDS_CLASS
471 This option enables support for regulator driven LEDs.
474 tristate "LED driver for BD2802 RGB LED"
475 depends on LEDS_CLASS
478 This option enables support for BD2802GU RGB LED driver chips
479 accessed via the I2C bus.
481 config LEDS_INTEL_SS4200
482 tristate "LED driver for Intel NAS SS4200 series"
483 depends on LEDS_CLASS
484 depends on PCI && DMI
487 This option enables support for the Intel SS4200 series of
488 Network Attached Storage servers. You may control the hard
489 drive or power LEDs on the front panel. Using this driver
490 can stop the front LED from blinking after startup.
493 tristate "LED driver for LT3593 controllers"
494 depends on LEDS_CLASS
495 depends on GPIOLIB || COMPILE_TEST
497 This option enables support for LEDs driven by a Linear Technology
498 LT3593 controller. This controller uses a special one-wire pulse
499 coding protocol to set the brightness.
502 tristate "LED Support for ADP5520/ADP5501 PMIC"
503 depends on LEDS_CLASS
504 depends on PMIC_ADP5520
506 This option enables support for on-chip LED drivers found
507 on Analog Devices ADP5520/ADP5501 PMICs.
509 To compile this driver as a module, choose M here: the module will
510 be called leds-adp5520.
513 tristate "LED Support for MC13XXX PMIC"
514 depends on LEDS_CLASS
515 depends on MFD_MC13XXX
517 This option enable support for on-chip LED drivers found
518 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
521 tristate "LED support for Network Space v2 GPIO LEDs"
522 depends on LEDS_CLASS
523 depends on MACH_KIRKWOOD || MACH_ARMADA_370
526 This option enables support for the dual-GPIO LEDs found on the
527 following LaCie/Seagate boards:
529 Network Space v2 (and parents: Max, Mini)
532 n090401 (Seagate NAS 4-Bay)
535 tristate "LED support for Big Network series LEDs"
536 depends on LEDS_CLASS
537 depends on MACH_KIRKWOOD
540 This option enable support for LEDs found on the LaCie 2Big
541 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
542 controlled through a GPIO extension bus.
545 bool "LED support for the HTC ASIC3"
546 depends on LEDS_CLASS=y
550 This option enables support for the LEDs on the HTC ASIC3. The HTC
551 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
552 cannot be used. This driver supports hardware blinking with an on+off
553 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
556 tristate "LED Support for TCA6507 I2C chip"
557 depends on LEDS_CLASS && I2C
559 This option enables support for LEDs connected to TC6507
560 LED driver chips accessed via the I2C bus.
561 Driver support brightness control and hardware-assisted blinking.
564 tristate "LED driver for TLC59108 and TLC59116 controllers"
565 depends on LEDS_CLASS && I2C
568 This option enables support for Texas Instruments TLC59108
569 and TLC59116 LED controllers.
572 tristate "LED support for MAX77693 Flash"
573 depends on LEDS_CLASS_FLASH
574 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
575 depends on MFD_MAX77693
578 This option enables support for the flash part of the MAX77693
579 multifunction device. It has build in control for two leds in flash
583 tristate "LED support for MAX8997 PMIC"
584 depends on LEDS_CLASS && MFD_MAX8997
586 This option enables support for on-chip LED drivers on
590 tristate "LED support for LM355x Chips, LM3554 and LM3556"
591 depends on LEDS_CLASS && I2C
594 This option enables support for LEDs connected to LM355x.
595 LM355x includes Torch, Flash and Indicator functions.
598 tristate "LED support for the Bachmann OT200"
599 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
601 This option enables support for the LEDs on the Bachmann OT200.
602 Say Y to enable LEDs on the Bachmann OT200.
604 config LEDS_MENF21BMC
605 tristate "LED support for the MEN 14F021P00 BMC"
606 depends on LEDS_CLASS && MFD_MENF21BMC
608 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
610 This driver can also be built as a module. If so the module
611 will be called leds-menf21bmc.
614 tristate "LED support for KTD2692 flash LED controller"
615 depends on LEDS_CLASS_FLASH && OF
616 depends on GPIOLIB || COMPILE_TEST
618 This option enables support for KTD2692 LED flash connected
619 through ExpressWire interface.
621 Say Y to enable this driver.
623 config LEDS_IS31FL319X
624 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
625 depends on LEDS_CLASS && I2C && OF
628 This option enables support for LEDs connected to ISSI IS31FL319x
629 fancy LED driver chips accessed via the I2C bus.
630 Driver supports individual PWM brightness control for each channel.
632 This driver can also be built as a module. If so the module will be
633 called leds-is31fl319x.
635 config LEDS_IS31FL32XX
636 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
637 depends on LEDS_CLASS && I2C && OF
639 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
640 LED controllers. They are I2C devices with multiple constant-current
641 channels, each with independent 256-level PWM control.
643 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
646 tristate "LED support for the BlinkM I2C RGB LED"
647 depends on LEDS_CLASS
650 This option enables support for the BlinkM RGB LED connected
651 through I2C. Say Y to enable support for the BlinkM LED.
654 tristate "LED support for PowerNV Platform"
655 depends on LEDS_CLASS
656 depends on PPC_POWERNV
659 This option enables support for the system LEDs present on
660 PowerNV platforms. Say 'y' to enable this support in kernel.
661 To compile this driver as a module, choose 'm' here: the module
662 will be called leds-powernv.
665 bool "LED support for LEDs on system controllers"
666 depends on LEDS_CLASS=y
667 depends on MFD_SYSCON
670 This option enabled support for the LEDs on syscon type
671 devices. This will only work with device tree enabled
675 tristate "LED Support for the Qualcomm PM8058 PMIC"
676 depends on MFD_PM8XXX
677 depends on LEDS_CLASS
679 Choose this option if you want to use the LED drivers in
680 the Qualcomm PM8058 PMIC.
683 tristate "LED support for the Mellanox boards"
684 depends on X86_64 && DMI
685 depends on LEDS_CLASS
687 This option enabled support for the LEDs on the Mellanox
688 boards. Say Y to enabled these.
691 tristate "Userspace LED support"
692 depends on LEDS_CLASS
694 This option enables support for userspace LEDs. Say 'y' to enable this
695 support in kernel. To compile this driver as a module, choose 'm' here:
696 the module will be called uleds.
699 tristate "LED support for NI PXI NIC78bx devices"
700 depends on LEDS_CLASS
701 depends on X86 && ACPI
703 This option enables support for the User1 and User2 LEDs on NI
706 To compile this driver as a module, choose M here: the module
707 will be called leds-nic78bx.
709 comment "LED Triggers"
710 source "drivers/leds/trigger/Kconfig"