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 "AS3645A LED flash controller support"
63 depends on I2C && LEDS_CLASS_FLASH
64 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
66 Enable LED flash class support for AS3645A LED flash
67 controller. V4L2 flash API is provided as well if
68 CONFIG_V4L2_FLASH_API is enabled.
71 tristate "LED Support for Broadcom BCM6328"
76 This option enables support for LEDs connected to the BCM6328
77 LED HW controller accessed via MMIO registers.
80 tristate "LED Support for Broadcom BCM6358"
85 This option enables support for LEDs connected to the BCM6358
86 LED HW controller accessed via MMIO registers.
89 tristate "LED Support for Motorola CPCAP"
94 This option enables support for LEDs offered by Motorola's
98 tristate "LCD Backlight driver for LM3530"
102 This option enables support for the LCD backlight using
103 LM3530 ambient light sensor chip. This ALS chip can be
104 controlled manually or using PWM input or using ambient
108 tristate "LED support for LM3533"
109 depends on LEDS_CLASS
110 depends on MFD_LM3533
112 This option enables support for the LEDs on National Semiconductor /
113 TI LM3533 Lighting Power chips.
115 The LEDs can be controlled directly, through PWM input, or by the
116 ambient-light-sensor interface. The chip supports
117 hardware-accelerated blinking with maximum on and off periods of 9.8
118 and 77 seconds respectively.
121 tristate "LED support for LM3642 Chip"
122 depends on LEDS_CLASS && I2C
125 This option enables support for LEDs connected to LM3642.
126 The LM3642 is a 4MHz fixed-frequency synchronous boost
127 converter plus 1.5A constant current driver for a high-current
132 tristate "LED Support for Locomo device"
133 depends on LEDS_CLASS
134 depends on SHARP_LOCOMO
136 This option enables support for the LEDs on Sharp Locomo.
137 Zaurus models SL-5500 and SL-5600.
139 config LEDS_MIKROTIK_RB532
140 tristate "LED Support for Mikrotik Routerboard 532"
141 depends on LEDS_CLASS
142 depends on MIKROTIK_RB532
144 This option enables support for the so called "User LED" of
145 Mikrotik's Routerboard 532.
148 tristate "LED Support for Mediatek MT6323 PMIC"
149 depends on LEDS_CLASS
150 depends on MFD_MT6397
152 This option enables support for on-chip LED drivers found on
153 Mediatek MT6323 PMIC.
156 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
157 depends on LEDS_CLASS
158 depends on ARCH_S3C24XX
160 This option enables support for LEDs connected to GPIO lines
161 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
164 tristate "LED Support for Soekris net48xx series Error LED"
165 depends on LEDS_CLASS
166 depends on SCx200_GPIO
168 This option enables support for the Soekris net4801 and net4826 error
172 tristate "LED Support for the Freecom FSG-3"
173 depends on LEDS_CLASS
176 This option enables support for the LEDs on the Freecom FSG-3.
179 tristate "LED Support for the WRAP series LEDs"
180 depends on LEDS_CLASS
181 depends on SCx200_GPIO
183 This option enables support for the PCEngines WRAP programmable LEDs.
185 config LEDS_COBALT_QUBE
186 tristate "LED Support for the Cobalt Qube series front LED"
187 depends on LEDS_CLASS
188 depends on MIPS_COBALT
190 This option enables support for the front LED on Cobalt Qube series
192 config LEDS_COBALT_RAQ
193 bool "LED Support for the Cobalt Raq series"
194 depends on LEDS_CLASS=y && MIPS_COBALT
197 This option enables support for the Cobalt Raq series LEDs.
200 tristate "LED support for SunFire servers."
201 depends on LEDS_CLASS
205 This option enables support for the Left, Middle, and Right
206 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
208 config LEDS_IPAQ_MICRO
209 tristate "LED Support for the Compaq iPAQ h3xxx"
210 depends on LEDS_CLASS
211 depends on MFD_IPAQ_MICRO
213 Choose this option if you want to use the notification LED on
214 Compaq/HP iPAQ h3100 and h3600.
217 tristate "LED Support for the HP Jornada 6xx"
218 depends on LEDS_CLASS
221 This option enables LED support for the handheld
222 HP Jornada 620/660/680/690.
225 tristate "LED driver for PCA9532 dimmer"
226 depends on LEDS_CLASS
227 depends on I2C && INPUT
229 This option enables support for NXP pca9532
230 LED controller. It is generally only useful
233 config LEDS_PCA9532_GPIO
234 bool "Enable GPIO support for PCA9532"
235 depends on LEDS_PCA9532
238 Allow unused pins on PCA9532 to be used as gpio.
240 To use a pin as gpio pca9532_type in pca9532_platform data needs to
241 set to PCA9532_TYPE_GPIO.
244 tristate "LED Support for GPIO connected LEDs"
245 depends on LEDS_CLASS
246 depends on GPIOLIB || COMPILE_TEST
248 This option enables support for the LEDs connected to GPIO
249 outputs. To be useful the particular board must have LEDs
250 and they must be connected to the GPIO lines. The LEDs must be
251 defined as platform devices and/or OpenFirmware platform devices.
252 The code to use these bindings can be selected below.
255 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
256 depends on LEDS_CLASS
259 This option enables support for LEDs connected to the National
260 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
263 To compile this driver as a module, choose M here: the
264 module will be called leds-lp3944.
267 tristate "LED Support for TI LP3952 2 channel LED driver"
268 depends on LEDS_CLASS
273 This option enables support for LEDs connected to the Texas
274 Instruments LP3952 LED driver.
276 To compile this driver as a module, choose M here: the
277 module will be called leds-lp3952.
279 config LEDS_LP55XX_COMMON
280 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
281 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
283 select FW_LOADER_USER_HELPER
285 This option supports common operations for LP5521/5523/55231/5562/8501
289 tristate "LED Support for N.S. LP5521 LED driver chip"
290 depends on LEDS_CLASS && I2C
291 select LEDS_LP55XX_COMMON
293 If you say yes here you get support for the National Semiconductor
294 LP5521 LED driver. It is 3 channel chip with programmable engines.
295 Driver provides direct control via LED class and interface for
296 programming the engines.
299 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
300 depends on LEDS_CLASS && I2C
301 select LEDS_LP55XX_COMMON
303 If you say yes here you get support for TI/National Semiconductor
304 LP5523/55231 LED driver.
305 It is 9 channel chip with programmable engines.
306 Driver provides direct control via LED class and interface for
307 programming the engines.
310 tristate "LED Support for TI LP5562 LED driver chip"
311 depends on LEDS_CLASS && I2C
312 select LEDS_LP55XX_COMMON
314 If you say yes here you get support for TI LP5562 LED driver.
315 It is 4 channels 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 LP8501 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 LP8501 LED driver.
325 It is 9 channel chip with programmable engines.
326 Driver provides direct control via LED class and interface for
327 programming the engines.
328 It is similar as LP5523, but output power selection is available.
329 And register layout and engine program schemes are different.
332 tristate "LED support for the TI LP8788 PMIC"
333 depends on LEDS_CLASS
334 depends on MFD_LP8788
336 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
339 tristate "LED support for the TI LP8860 4 channel LED driver"
340 depends on LEDS_CLASS && I2C
343 If you say yes here you get support for the TI LP8860 4 channel
345 This option enables support for the display cluster LEDs
346 on the LP8860 4 channel LED driver using the I2C communication
349 config LEDS_CLEVO_MAIL
350 tristate "Mail LED on Clevo notebook"
351 depends on LEDS_CLASS
352 depends on X86 && SERIO_I8042 && DMI
354 This driver makes the mail LED accessible from userspace
355 programs through the leds subsystem. This LED have three
356 known mode: off, blink at 0.5Hz and blink at 1Hz.
358 The driver supports two kinds of interface: using ledtrig-timer
359 or through /sys/class/leds/clevo::mail/brightness. As this LED
360 cannot change it's brightness it blinks instead. The brightness
361 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
364 This module can drive the mail LED for the following notebooks:
369 Clevo D400V/D470V (not tested, but might work)
371 Clevo M5x0N (not tested, but might work)
372 Positivo Mobile (Clevo M5x0V)
374 If your model is not listed here you can try the "nodetect"
377 To compile this driver as a module, choose M here: the
378 module will be called leds-clevo-mail.
381 tristate "LED Support for PCA955x I2C chips"
382 depends on LEDS_CLASS
385 This option enables support for LEDs connected to PCA955x
386 LED driver chips accessed via the I2C bus. Supported
387 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
389 config LEDS_PCA955X_GPIO
390 bool "Enable GPIO support for PCA955X"
391 depends on LEDS_PCA955X
394 Allow unused pins on PCA955X to be used as gpio.
396 To use a pin as gpio the pin type should be set to
397 PCA955X_TYPE_GPIO in the device tree.
401 tristate "LED support for PCA963x I2C chip"
402 depends on LEDS_CLASS
405 This option enables support for LEDs connected to the PCA963x
406 LED driver chip accessed via the I2C bus. Supported
407 devices include PCA9633 and PCA9634
409 config LEDS_WM831X_STATUS
410 tristate "LED support for status LEDs on WM831x PMICs"
411 depends on LEDS_CLASS
412 depends on MFD_WM831X
414 This option enables support for the status LEDs of the WM831x
418 tristate "LED Support for WM8350 AudioPlus PMIC"
419 depends on LEDS_CLASS
420 depends on MFD_WM8350
422 This option enables support for LEDs driven by the Wolfson
423 Microelectronics WM8350 AudioPlus PMIC.
426 tristate "LED Support for DA9030/DA9034 PMIC"
427 depends on LEDS_CLASS
428 depends on PMIC_DA903X
430 This option enables support for on-chip LED drivers found
431 on Dialog Semiconductor DA9030/DA9034 PMICs.
434 tristate "Dialog DA9052/DA9053 LEDS"
435 depends on LEDS_CLASS
436 depends on PMIC_DA9052
438 This option enables support for on-chip LED drivers found
439 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
441 config LEDS_DAC124S085
442 tristate "LED Support for DAC124S085 SPI DAC"
443 depends on LEDS_CLASS
446 This option enables support for DAC124S085 SPI DAC from NatSemi,
447 which can be used to control up to four LEDs.
450 tristate "PWM driven LED Support"
451 depends on LEDS_CLASS
454 This option enables support for pwm driven LEDs
456 config LEDS_REGULATOR
457 tristate "REGULATOR driven LED support"
458 depends on LEDS_CLASS
461 This option enables support for regulator driven LEDs.
464 tristate "LED driver for BD2802 RGB LED"
465 depends on LEDS_CLASS
468 This option enables support for BD2802GU RGB LED driver chips
469 accessed via the I2C bus.
471 config LEDS_INTEL_SS4200
472 tristate "LED driver for Intel NAS SS4200 series"
473 depends on LEDS_CLASS
474 depends on PCI && DMI
477 This option enables support for the Intel SS4200 series of
478 Network Attached Storage servers. You may control the hard
479 drive or power LEDs on the front panel. Using this driver
480 can stop the front LED from blinking after startup.
483 tristate "LED driver for LT3593 controllers"
484 depends on LEDS_CLASS
485 depends on GPIOLIB || COMPILE_TEST
487 This option enables support for LEDs driven by a Linear Technology
488 LT3593 controller. This controller uses a special one-wire pulse
489 coding protocol to set the brightness.
492 tristate "LED Support for ADP5520/ADP5501 PMIC"
493 depends on LEDS_CLASS
494 depends on PMIC_ADP5520
496 This option enables support for on-chip LED drivers found
497 on Analog Devices ADP5520/ADP5501 PMICs.
499 To compile this driver as a module, choose M here: the module will
500 be called leds-adp5520.
503 tristate "LED Support for MC13XXX PMIC"
504 depends on LEDS_CLASS
505 depends on MFD_MC13XXX
507 This option enable support for on-chip LED drivers found
508 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
511 tristate "LED support for Network Space v2 GPIO LEDs"
512 depends on LEDS_CLASS
513 depends on MACH_KIRKWOOD || MACH_ARMADA_370
516 This option enables support for the dual-GPIO LEDs found on the
517 following LaCie/Seagate boards:
519 Network Space v2 (and parents: Max, Mini)
522 n090401 (Seagate NAS 4-Bay)
525 tristate "LED support for Big Network series LEDs"
526 depends on LEDS_CLASS
527 depends on MACH_KIRKWOOD
530 This option enable support for LEDs found on the LaCie 2Big
531 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
532 controlled through a GPIO extension bus.
535 bool "LED support for the HTC ASIC3"
536 depends on LEDS_CLASS=y
540 This option enables support for the LEDs on the HTC ASIC3. The HTC
541 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
542 cannot be used. This driver supports hardware blinking with an on+off
543 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
546 tristate "LED Support for TCA6507 I2C chip"
547 depends on LEDS_CLASS && I2C
549 This option enables support for LEDs connected to TC6507
550 LED driver chips accessed via the I2C bus.
551 Driver support brightness control and hardware-assisted blinking.
554 tristate "LED driver for TLC59108 and TLC59116 controllers"
555 depends on LEDS_CLASS && I2C
558 This option enables support for Texas Instruments TLC59108
559 and TLC59116 LED controllers.
562 tristate "LED support for MAX77693 Flash"
563 depends on LEDS_CLASS_FLASH
564 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
565 depends on MFD_MAX77693
568 This option enables support for the flash part of the MAX77693
569 multifunction device. It has build in control for two leds in flash
573 tristate "LED support for MAX8997 PMIC"
574 depends on LEDS_CLASS && MFD_MAX8997
576 This option enables support for on-chip LED drivers on
580 tristate "LED support for LM355x Chips, LM3554 and LM3556"
581 depends on LEDS_CLASS && I2C
584 This option enables support for LEDs connected to LM355x.
585 LM355x includes Torch, Flash and Indicator functions.
588 tristate "LED support for the Bachmann OT200"
589 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
591 This option enables support for the LEDs on the Bachmann OT200.
592 Say Y to enable LEDs on the Bachmann OT200.
594 config LEDS_MENF21BMC
595 tristate "LED support for the MEN 14F021P00 BMC"
596 depends on LEDS_CLASS && MFD_MENF21BMC
598 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
600 This driver can also be built as a module. If so the module
601 will be called leds-menf21bmc.
604 tristate "LED support for KTD2692 flash LED controller"
605 depends on LEDS_CLASS_FLASH && OF
606 depends on GPIOLIB || COMPILE_TEST
608 This option enables support for KTD2692 LED flash connected
609 through ExpressWire interface.
611 Say Y to enable this driver.
613 config LEDS_IS31FL319X
614 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
615 depends on LEDS_CLASS && I2C && OF
618 This option enables support for LEDs connected to ISSI IS31FL319x
619 fancy LED driver chips accessed via the I2C bus.
620 Driver supports individual PWM brightness control for each channel.
622 This driver can also be built as a module. If so the module will be
623 called leds-is31fl319x.
625 config LEDS_IS31FL32XX
626 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
627 depends on LEDS_CLASS && I2C && OF
629 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
630 LED controllers. They are I2C devices with multiple constant-current
631 channels, each with independent 256-level PWM control.
633 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
636 tristate "LED support for the BlinkM I2C RGB LED"
637 depends on LEDS_CLASS
640 This option enables support for the BlinkM RGB LED connected
641 through I2C. Say Y to enable support for the BlinkM LED.
644 tristate "LED support for PowerNV Platform"
645 depends on LEDS_CLASS
646 depends on PPC_POWERNV
649 This option enables support for the system LEDs present on
650 PowerNV platforms. Say 'y' to enable this support in kernel.
651 To compile this driver as a module, choose 'm' here: the module
652 will be called leds-powernv.
655 bool "LED support for LEDs on system controllers"
656 depends on LEDS_CLASS=y
657 depends on MFD_SYSCON
660 This option enabled support for the LEDs on syscon type
661 devices. This will only work with device tree enabled
665 tristate "LED Support for the Qualcomm PM8058 PMIC"
666 depends on MFD_PM8XXX
667 depends on LEDS_CLASS
669 Choose this option if you want to use the LED drivers in
670 the Qualcomm PM8058 PMIC.
673 tristate "LED support for the Mellanox boards"
674 depends on X86_64 && DMI
675 depends on LEDS_CLASS
677 This option enabled support for the LEDs on the Mellanox
678 boards. Say Y to enabled these.
681 tristate "Userspace LED support"
682 depends on LEDS_CLASS
684 This option enables support for userspace LEDs. Say 'y' to enable this
685 support in kernel. To compile this driver as a module, choose 'm' here:
686 the module will be called uleds.
689 tristate "LED support for NI PXI NIC78bx devices"
690 depends on LEDS_CLASS
691 depends on X86 && ACPI
693 This option enables support for the User1 and User2 LEDs on NI
696 To compile this driver as a module, choose M here: the module
697 will be called leds-nic78bx.
699 comment "LED Triggers"
700 source "drivers/leds/trigger/Kconfig"