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 Broadcom BCM6328"
67 This option enables support for LEDs connected to the BCM6328
68 LED HW controller accessed via MMIO registers.
71 tristate "LED Support for Broadcom BCM6358"
76 This option enables support for LEDs connected to the BCM6358
77 LED HW controller accessed via MMIO registers.
80 tristate "LCD Backlight driver for LM3530"
84 This option enables support for the LCD backlight using
85 LM3530 ambient light sensor chip. This ALS chip can be
86 controlled manually or using PWM input or using ambient
90 tristate "LED support for LM3533"
94 This option enables support for the LEDs on National Semiconductor /
95 TI LM3533 Lighting Power chips.
97 The LEDs can be controlled directly, through PWM input, or by the
98 ambient-light-sensor interface. The chip supports
99 hardware-accelerated blinking with maximum on and off periods of 9.8
100 and 77 seconds respectively.
103 tristate "LED support for LM3642 Chip"
104 depends on LEDS_CLASS && I2C
107 This option enables support for LEDs connected to LM3642.
108 The LM3642 is a 4MHz fixed-frequency synchronous boost
109 converter plus 1.5A constant current driver for a high-current
114 tristate "LED Support for Locomo device"
115 depends on LEDS_CLASS
116 depends on SHARP_LOCOMO
118 This option enables support for the LEDs on Sharp Locomo.
119 Zaurus models SL-5500 and SL-5600.
121 config LEDS_MIKROTIK_RB532
122 tristate "LED Support for Mikrotik Routerboard 532"
123 depends on LEDS_CLASS
124 depends on MIKROTIK_RB532
126 This option enables support for the so called "User LED" of
127 Mikrotik's Routerboard 532.
130 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
131 depends on LEDS_CLASS
132 depends on ARCH_S3C24XX
134 This option enables support for LEDs connected to GPIO lines
135 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
138 tristate "LED Support for Soekris net48xx series Error LED"
139 depends on LEDS_CLASS
140 depends on SCx200_GPIO
142 This option enables support for the Soekris net4801 and net4826 error
146 tristate "LED Support for the Freecom FSG-3"
147 depends on LEDS_CLASS
150 This option enables support for the LEDs on the Freecom FSG-3.
153 tristate "LED Support for the WRAP series LEDs"
154 depends on LEDS_CLASS
155 depends on SCx200_GPIO
157 This option enables support for the PCEngines WRAP programmable LEDs.
159 config LEDS_COBALT_QUBE
160 tristate "LED Support for the Cobalt Qube series front LED"
161 depends on LEDS_CLASS
162 depends on MIPS_COBALT
164 This option enables support for the front LED on Cobalt Qube series
166 config LEDS_COBALT_RAQ
167 bool "LED Support for the Cobalt Raq series"
168 depends on LEDS_CLASS=y && MIPS_COBALT
171 This option enables support for the Cobalt Raq series LEDs.
174 tristate "LED support for SunFire servers."
175 depends on LEDS_CLASS
179 This option enables support for the Left, Middle, and Right
180 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
182 config LEDS_IPAQ_MICRO
183 tristate "LED Support for the Compaq iPAQ h3xxx"
184 depends on LEDS_CLASS
185 depends on MFD_IPAQ_MICRO
187 Choose this option if you want to use the notification LED on
188 Compaq/HP iPAQ h3100 and h3600.
191 tristate "LED Support for the HP Jornada 6xx"
192 depends on LEDS_CLASS
195 This option enables LED support for the handheld
196 HP Jornada 620/660/680/690.
199 tristate "LED driver for PCA9532 dimmer"
200 depends on LEDS_CLASS
201 depends on I2C && INPUT
203 This option enables support for NXP pca9532
204 LED controller. It is generally only useful
207 config LEDS_PCA9532_GPIO
208 bool "Enable GPIO support for PCA9532"
209 depends on LEDS_PCA9532
212 Allow unused pins on PCA9532 to be used as gpio.
214 To use a pin as gpio pca9532_type in pca9532_platform data needs to
215 set to PCA9532_TYPE_GPIO.
218 tristate "LED Support for GPIO connected LEDs"
219 depends on LEDS_CLASS
220 depends on GPIOLIB || COMPILE_TEST
222 This option enables support for the LEDs connected to GPIO
223 outputs. To be useful the particular board must have LEDs
224 and they must be connected to the GPIO lines. The LEDs must be
225 defined as platform devices and/or OpenFirmware platform devices.
226 The code to use these bindings can be selected below.
229 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
230 depends on LEDS_CLASS
233 This option enables support for LEDs connected to the National
234 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
237 To compile this driver as a module, choose M here: the
238 module will be called leds-lp3944.
241 tristate "LED Support for TI LP3952 2 channel LED driver"
242 depends on LEDS_CLASS
248 This option enables support for LEDs connected to the Texas
249 Instruments LP3952 LED driver.
251 To compile this driver as a module, choose M here: the
252 module will be called leds-lp3952.
254 config LEDS_LP55XX_COMMON
255 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
256 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
258 select FW_LOADER_USER_HELPER
260 This option supports common operations for LP5521/5523/55231/5562/8501
264 tristate "LED Support for N.S. LP5521 LED driver chip"
265 depends on LEDS_CLASS && I2C
266 select LEDS_LP55XX_COMMON
268 If you say yes here you get support for the National Semiconductor
269 LP5521 LED driver. It is 3 channel chip with programmable engines.
270 Driver provides direct control via LED class and interface for
271 programming the engines.
274 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
275 depends on LEDS_CLASS && I2C
276 select LEDS_LP55XX_COMMON
278 If you say yes here you get support for TI/National Semiconductor
279 LP5523/55231 LED driver.
280 It is 9 channel 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 LP5562 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 LP5562 LED driver.
290 It is 4 channels chip with programmable engines.
291 Driver provides direct control via LED class and interface for
292 programming the engines.
295 tristate "LED Support for TI LP8501 LED driver chip"
296 depends on LEDS_CLASS && I2C
297 select LEDS_LP55XX_COMMON
299 If you say yes here you get support for TI LP8501 LED driver.
300 It is 9 channel chip with programmable engines.
301 Driver provides direct control via LED class and interface for
302 programming the engines.
303 It is similar as LP5523, but output power selection is available.
304 And register layout and engine program schemes are different.
307 tristate "LED support for the TI LP8788 PMIC"
308 depends on LEDS_CLASS
309 depends on MFD_LP8788
311 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
314 tristate "LED support for the TI LP8860 4 channel LED driver"
315 depends on LEDS_CLASS && I2C
318 If you say yes here you get support for the TI LP8860 4 channel
320 This option enables support for the display cluster LEDs
321 on the LP8860 4 channel LED driver using the I2C communication
324 config LEDS_CLEVO_MAIL
325 tristate "Mail LED on Clevo notebook"
326 depends on LEDS_CLASS
327 depends on X86 && SERIO_I8042 && DMI
329 This driver makes the mail LED accessible from userspace
330 programs through the leds subsystem. This LED have three
331 known mode: off, blink at 0.5Hz and blink at 1Hz.
333 The driver supports two kinds of interface: using ledtrig-timer
334 or through /sys/class/leds/clevo::mail/brightness. As this LED
335 cannot change it's brightness it blinks instead. The brightness
336 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
339 This module can drive the mail LED for the following notebooks:
344 Clevo D400V/D470V (not tested, but might work)
346 Clevo M5x0N (not tested, but might work)
347 Positivo Mobile (Clevo M5x0V)
349 If your model is not listed here you can try the "nodetect"
352 To compile this driver as a module, choose M here: the
353 module will be called leds-clevo-mail.
356 tristate "LED Support for PCA955x I2C chips"
357 depends on LEDS_CLASS
360 This option enables support for LEDs connected to PCA955x
361 LED driver chips accessed via the I2C bus. Supported
362 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
365 tristate "LED support for PCA963x I2C chip"
366 depends on LEDS_CLASS
369 This option enables support for LEDs connected to the PCA963x
370 LED driver chip accessed via the I2C bus. Supported
371 devices include PCA9633 and PCA9634
373 config LEDS_WM831X_STATUS
374 tristate "LED support for status LEDs on WM831x PMICs"
375 depends on LEDS_CLASS
376 depends on MFD_WM831X
378 This option enables support for the status LEDs of the WM831x
382 tristate "LED Support for WM8350 AudioPlus PMIC"
383 depends on LEDS_CLASS
384 depends on MFD_WM8350
386 This option enables support for LEDs driven by the Wolfson
387 Microelectronics WM8350 AudioPlus PMIC.
390 tristate "LED Support for DA9030/DA9034 PMIC"
391 depends on LEDS_CLASS
392 depends on PMIC_DA903X
394 This option enables support for on-chip LED drivers found
395 on Dialog Semiconductor DA9030/DA9034 PMICs.
398 tristate "Dialog DA9052/DA9053 LEDS"
399 depends on LEDS_CLASS
400 depends on PMIC_DA9052
402 This option enables support for on-chip LED drivers found
403 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
405 config LEDS_DAC124S085
406 tristate "LED Support for DAC124S085 SPI DAC"
407 depends on LEDS_CLASS
410 This option enables support for DAC124S085 SPI DAC from NatSemi,
411 which can be used to control up to four LEDs.
414 tristate "PWM driven LED Support"
415 depends on LEDS_CLASS
418 This option enables support for pwm driven LEDs
420 config LEDS_REGULATOR
421 tristate "REGULATOR driven LED support"
422 depends on LEDS_CLASS
425 This option enables support for regulator driven LEDs.
428 tristate "LED driver for BD2802 RGB LED"
429 depends on LEDS_CLASS
432 This option enables support for BD2802GU RGB LED driver chips
433 accessed via the I2C bus.
435 config LEDS_INTEL_SS4200
436 tristate "LED driver for Intel NAS SS4200 series"
437 depends on LEDS_CLASS
438 depends on PCI && DMI
441 This option enables support for the Intel SS4200 series of
442 Network Attached Storage servers. You may control the hard
443 drive or power LEDs on the front panel. Using this driver
444 can stop the front LED from blinking after startup.
447 tristate "LED driver for LT3593 controllers"
448 depends on LEDS_CLASS
449 depends on GPIOLIB || COMPILE_TEST
451 This option enables support for LEDs driven by a Linear Technology
452 LT3593 controller. This controller uses a special one-wire pulse
453 coding protocol to set the brightness.
456 tristate "LED Support for ADP5520/ADP5501 PMIC"
457 depends on LEDS_CLASS
458 depends on PMIC_ADP5520
460 This option enables support for on-chip LED drivers found
461 on Analog Devices ADP5520/ADP5501 PMICs.
463 To compile this driver as a module, choose M here: the module will
464 be called leds-adp5520.
466 config LEDS_DELL_NETBOOKS
467 tristate "External LED on Dell Business Netbooks"
468 depends on LEDS_CLASS
469 depends on X86 && ACPI_WMI
470 depends on DELL_SMBIOS
472 This adds support for the Latitude 2100 and similar
473 notebooks that have an external LED.
476 tristate "LED Support for MC13XXX PMIC"
477 depends on LEDS_CLASS
478 depends on MFD_MC13XXX
480 This option enable support for on-chip LED drivers found
481 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
484 tristate "LED support for Network Space v2 GPIO LEDs"
485 depends on LEDS_CLASS
486 depends on MACH_KIRKWOOD || MACH_ARMADA_370
489 This option enables support for the dual-GPIO LEDs found on the
490 following LaCie/Seagate boards:
492 Network Space v2 (and parents: Max, Mini)
495 n090401 (Seagate NAS 4-Bay)
498 tristate "LED support for Big Network series LEDs"
499 depends on LEDS_CLASS
500 depends on MACH_KIRKWOOD
503 This option enable support for LEDs found on the LaCie 2Big
504 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
505 controlled through a GPIO extension bus.
508 bool "LED support for the HTC ASIC3"
509 depends on LEDS_CLASS=y
513 This option enables support for the LEDs on the HTC ASIC3. The HTC
514 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
515 cannot be used. This driver supports hardware blinking with an on+off
516 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
519 tristate "LED Support for TCA6507 I2C chip"
520 depends on LEDS_CLASS && I2C
522 This option enables support for LEDs connected to TC6507
523 LED driver chips accessed via the I2C bus.
524 Driver support brightness control and hardware-assisted blinking.
527 tristate "LED driver for TLC59108 and TLC59116 controllers"
528 depends on LEDS_CLASS && I2C
531 This option enables support for Texas Instruments TLC59108
532 and TLC59116 LED controllers.
535 tristate "LED support for MAX77693 Flash"
536 depends on LEDS_CLASS_FLASH
537 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
538 depends on MFD_MAX77693
541 This option enables support for the flash part of the MAX77693
542 multifunction device. It has build in control for two leds in flash
546 tristate "LED support for MAX8997 PMIC"
547 depends on LEDS_CLASS && MFD_MAX8997
549 This option enables support for on-chip LED drivers on
553 tristate "LED support for LM355x Chips, LM3554 and LM3556"
554 depends on LEDS_CLASS && I2C
557 This option enables support for LEDs connected to LM355x.
558 LM355x includes Torch, Flash and Indicator functions.
561 tristate "LED support for the Bachmann OT200"
562 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
564 This option enables support for the LEDs on the Bachmann OT200.
565 Say Y to enable LEDs on the Bachmann OT200.
567 config LEDS_MENF21BMC
568 tristate "LED support for the MEN 14F021P00 BMC"
569 depends on LEDS_CLASS && MFD_MENF21BMC
571 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
573 This driver can also be built as a module. If so the module
574 will be called leds-menf21bmc.
577 tristate "LED support for KTD2692 flash LED controller"
578 depends on LEDS_CLASS_FLASH && OF
579 depends on GPIOLIB || COMPILE_TEST
581 This option enables support for KTD2692 LED flash connected
582 through ExpressWire interface.
584 Say Y to enable this driver.
587 tristate "LED support for the MIPS SEAD 3 board"
588 depends on LEDS_CLASS && MIPS_SEAD3
590 Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
593 This driver can also be built as a module. If so the module
594 will be called leds-sead3.
596 config LEDS_IS31FL319X
597 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
598 depends on LEDS_CLASS && I2C && OF
601 This option enables support for LEDs connected to ISSI IS31FL319x
602 fancy LED driver chips accessed via the I2C bus.
603 Driver supports individual PWM brightness control for each channel.
605 This driver can also be built as a module. If so the module will be
606 called leds-is31fl319x.
608 config LEDS_IS31FL32XX
609 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
610 depends on LEDS_CLASS && I2C && OF
612 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
613 LED controllers. They are I2C devices with multiple constant-current
614 channels, each with independent 256-level PWM control.
616 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
619 tristate "LED support for the BlinkM I2C RGB LED"
620 depends on LEDS_CLASS
623 This option enables support for the BlinkM RGB LED connected
624 through I2C. Say Y to enable support for the BlinkM LED.
627 tristate "LED support for PowerNV Platform"
628 depends on LEDS_CLASS
629 depends on PPC_POWERNV
632 This option enables support for the system LEDs present on
633 PowerNV platforms. Say 'y' to enable this support in kernel.
634 To compile this driver as a module, choose 'm' here: the module
635 will be called leds-powernv.
638 bool "LED support for LEDs on system controllers"
639 depends on LEDS_CLASS=y
640 depends on MFD_SYSCON
643 This option enabled support for the LEDs on syscon type
644 devices. This will only work with device tree enabled
647 config LEDS_VERSATILE
648 tristate "LED support for the ARM Versatile and RealView"
649 depends on ARCH_REALVIEW || ARCH_VERSATILE
650 depends on LEDS_CLASS
652 This option enabled support for the LEDs on the ARM Versatile
653 and RealView boards. Say Y to enabled these.
656 tristate "LED Support for the Qualcomm PM8058 PMIC"
657 depends on MFD_PM8XXX
658 depends on LEDS_CLASS
660 Choose this option if you want to use the LED drivers in
661 the Qualcomm PM8058 PMIC.
664 tristate "LED support for the Mellanox boards"
665 depends on X86_64 && DMI
666 depends on LEDS_CLASS
668 This option enabled support for the LEDs on the Mellanox
669 boards. Say Y to enabled these.
672 tristate "Userspace LED support"
673 depends on LEDS_CLASS
675 This option enables support for userspace LEDs. Say 'y' to enable this
676 support in kernel. To compile this driver as a module, choose 'm' here:
677 the module will be called uleds.
680 tristate "LED support for NI PXI NIC78bx devices"
681 depends on LEDS_CLASS
682 depends on X86 && ACPI
684 This option enables support for the User1 and User2 LEDs on NI
687 To compile this driver as a module, choose M here: the module
688 will be called leds-nic78bx.
690 comment "LED Triggers"
691 source "drivers/leds/trigger/Kconfig"