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 "LED Support for Motorola CPCAP"
85 This option enables support for LEDs offered by Motorola's
89 tristate "LCD Backlight driver for LM3530"
93 This option enables support for the LCD backlight using
94 LM3530 ambient light sensor chip. This ALS chip can be
95 controlled manually or using PWM input or using ambient
99 tristate "LED support for LM3533"
100 depends on LEDS_CLASS
101 depends on MFD_LM3533
103 This option enables support for the LEDs on National Semiconductor /
104 TI LM3533 Lighting Power chips.
106 The LEDs can be controlled directly, through PWM input, or by the
107 ambient-light-sensor interface. The chip supports
108 hardware-accelerated blinking with maximum on and off periods of 9.8
109 and 77 seconds respectively.
112 tristate "LED support for LM3642 Chip"
113 depends on LEDS_CLASS && I2C
116 This option enables support for LEDs connected to LM3642.
117 The LM3642 is a 4MHz fixed-frequency synchronous boost
118 converter plus 1.5A constant current driver for a high-current
123 tristate "LED Support for Locomo device"
124 depends on LEDS_CLASS
125 depends on SHARP_LOCOMO
127 This option enables support for the LEDs on Sharp Locomo.
128 Zaurus models SL-5500 and SL-5600.
130 config LEDS_MIKROTIK_RB532
131 tristate "LED Support for Mikrotik Routerboard 532"
132 depends on LEDS_CLASS
133 depends on MIKROTIK_RB532
135 This option enables support for the so called "User LED" of
136 Mikrotik's Routerboard 532.
139 tristate "LED Support for Mediatek MT6323 PMIC"
140 depends on LEDS_CLASS
141 depends on MFD_MT6397
143 This option enables support for on-chip LED drivers found on
144 Mediatek MT6323 PMIC.
147 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
148 depends on LEDS_CLASS
149 depends on ARCH_S3C24XX
151 This option enables support for LEDs connected to GPIO lines
152 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
155 tristate "LED Support for Soekris net48xx series Error LED"
156 depends on LEDS_CLASS
157 depends on SCx200_GPIO
159 This option enables support for the Soekris net4801 and net4826 error
163 tristate "LED Support for the Freecom FSG-3"
164 depends on LEDS_CLASS
167 This option enables support for the LEDs on the Freecom FSG-3.
170 tristate "LED Support for the WRAP series LEDs"
171 depends on LEDS_CLASS
172 depends on SCx200_GPIO
174 This option enables support for the PCEngines WRAP programmable LEDs.
176 config LEDS_COBALT_QUBE
177 tristate "LED Support for the Cobalt Qube series front LED"
178 depends on LEDS_CLASS
179 depends on MIPS_COBALT
181 This option enables support for the front LED on Cobalt Qube series
183 config LEDS_COBALT_RAQ
184 bool "LED Support for the Cobalt Raq series"
185 depends on LEDS_CLASS=y && MIPS_COBALT
188 This option enables support for the Cobalt Raq series LEDs.
191 tristate "LED support for SunFire servers."
192 depends on LEDS_CLASS
196 This option enables support for the Left, Middle, and Right
197 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
199 config LEDS_IPAQ_MICRO
200 tristate "LED Support for the Compaq iPAQ h3xxx"
201 depends on LEDS_CLASS
202 depends on MFD_IPAQ_MICRO
204 Choose this option if you want to use the notification LED on
205 Compaq/HP iPAQ h3100 and h3600.
208 tristate "LED Support for the HP Jornada 6xx"
209 depends on LEDS_CLASS
212 This option enables LED support for the handheld
213 HP Jornada 620/660/680/690.
216 tristate "LED driver for PCA9532 dimmer"
217 depends on LEDS_CLASS
218 depends on I2C && INPUT
220 This option enables support for NXP pca9532
221 LED controller. It is generally only useful
224 config LEDS_PCA9532_GPIO
225 bool "Enable GPIO support for PCA9532"
226 depends on LEDS_PCA9532
229 Allow unused pins on PCA9532 to be used as gpio.
231 To use a pin as gpio pca9532_type in pca9532_platform data needs to
232 set to PCA9532_TYPE_GPIO.
235 tristate "LED Support for GPIO connected LEDs"
236 depends on LEDS_CLASS
237 depends on GPIOLIB || COMPILE_TEST
239 This option enables support for the LEDs connected to GPIO
240 outputs. To be useful the particular board must have LEDs
241 and they must be connected to the GPIO lines. The LEDs must be
242 defined as platform devices and/or OpenFirmware platform devices.
243 The code to use these bindings can be selected below.
246 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
247 depends on LEDS_CLASS
250 This option enables support for LEDs connected to the National
251 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
254 To compile this driver as a module, choose M here: the
255 module will be called leds-lp3944.
258 tristate "LED Support for TI LP3952 2 channel LED driver"
259 depends on LEDS_CLASS
264 This option enables support for LEDs connected to the Texas
265 Instruments LP3952 LED driver.
267 To compile this driver as a module, choose M here: the
268 module will be called leds-lp3952.
270 config LEDS_LP55XX_COMMON
271 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
272 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
274 select FW_LOADER_USER_HELPER
276 This option supports common operations for LP5521/5523/55231/5562/8501
280 tristate "LED Support for N.S. LP5521 LED driver chip"
281 depends on LEDS_CLASS && I2C
282 select LEDS_LP55XX_COMMON
284 If you say yes here you get support for the National Semiconductor
285 LP5521 LED driver. It is 3 channel chip with programmable engines.
286 Driver provides direct control via LED class and interface for
287 programming the engines.
290 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
291 depends on LEDS_CLASS && I2C
292 select LEDS_LP55XX_COMMON
294 If you say yes here you get support for TI/National Semiconductor
295 LP5523/55231 LED driver.
296 It is 9 channel chip with programmable engines.
297 Driver provides direct control via LED class and interface for
298 programming the engines.
301 tristate "LED Support for TI LP5562 LED driver chip"
302 depends on LEDS_CLASS && I2C
303 select LEDS_LP55XX_COMMON
305 If you say yes here you get support for TI LP5562 LED driver.
306 It is 4 channels chip with programmable engines.
307 Driver provides direct control via LED class and interface for
308 programming the engines.
311 tristate "LED Support for TI LP8501 LED driver chip"
312 depends on LEDS_CLASS && I2C
313 select LEDS_LP55XX_COMMON
315 If you say yes here you get support for TI LP8501 LED driver.
316 It is 9 channel chip with programmable engines.
317 Driver provides direct control via LED class and interface for
318 programming the engines.
319 It is similar as LP5523, but output power selection is available.
320 And register layout and engine program schemes are different.
323 tristate "LED support for the TI LP8788 PMIC"
324 depends on LEDS_CLASS
325 depends on MFD_LP8788
327 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
330 tristate "LED support for the TI LP8860 4 channel LED driver"
331 depends on LEDS_CLASS && I2C
334 If you say yes here you get support for the TI LP8860 4 channel
336 This option enables support for the display cluster LEDs
337 on the LP8860 4 channel LED driver using the I2C communication
340 config LEDS_CLEVO_MAIL
341 tristate "Mail LED on Clevo notebook"
342 depends on LEDS_CLASS
343 depends on X86 && SERIO_I8042 && DMI
345 This driver makes the mail LED accessible from userspace
346 programs through the leds subsystem. This LED have three
347 known mode: off, blink at 0.5Hz and blink at 1Hz.
349 The driver supports two kinds of interface: using ledtrig-timer
350 or through /sys/class/leds/clevo::mail/brightness. As this LED
351 cannot change it's brightness it blinks instead. The brightness
352 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
355 This module can drive the mail LED for the following notebooks:
360 Clevo D400V/D470V (not tested, but might work)
362 Clevo M5x0N (not tested, but might work)
363 Positivo Mobile (Clevo M5x0V)
365 If your model is not listed here you can try the "nodetect"
368 To compile this driver as a module, choose M here: the
369 module will be called leds-clevo-mail.
372 tristate "LED Support for PCA955x I2C chips"
373 depends on LEDS_CLASS
376 This option enables support for LEDs connected to PCA955x
377 LED driver chips accessed via the I2C bus. Supported
378 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
381 tristate "LED support for PCA963x I2C chip"
382 depends on LEDS_CLASS
385 This option enables support for LEDs connected to the PCA963x
386 LED driver chip accessed via the I2C bus. Supported
387 devices include PCA9633 and PCA9634
389 config LEDS_WM831X_STATUS
390 tristate "LED support for status LEDs on WM831x PMICs"
391 depends on LEDS_CLASS
392 depends on MFD_WM831X
394 This option enables support for the status LEDs of the WM831x
398 tristate "LED Support for WM8350 AudioPlus PMIC"
399 depends on LEDS_CLASS
400 depends on MFD_WM8350
402 This option enables support for LEDs driven by the Wolfson
403 Microelectronics WM8350 AudioPlus PMIC.
406 tristate "LED Support for DA9030/DA9034 PMIC"
407 depends on LEDS_CLASS
408 depends on PMIC_DA903X
410 This option enables support for on-chip LED drivers found
411 on Dialog Semiconductor DA9030/DA9034 PMICs.
414 tristate "Dialog DA9052/DA9053 LEDS"
415 depends on LEDS_CLASS
416 depends on PMIC_DA9052
418 This option enables support for on-chip LED drivers found
419 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
421 config LEDS_DAC124S085
422 tristate "LED Support for DAC124S085 SPI DAC"
423 depends on LEDS_CLASS
426 This option enables support for DAC124S085 SPI DAC from NatSemi,
427 which can be used to control up to four LEDs.
430 tristate "PWM driven LED Support"
431 depends on LEDS_CLASS
434 This option enables support for pwm driven LEDs
436 config LEDS_REGULATOR
437 tristate "REGULATOR driven LED support"
438 depends on LEDS_CLASS
441 This option enables support for regulator driven LEDs.
444 tristate "LED driver for BD2802 RGB LED"
445 depends on LEDS_CLASS
448 This option enables support for BD2802GU RGB LED driver chips
449 accessed via the I2C bus.
451 config LEDS_INTEL_SS4200
452 tristate "LED driver for Intel NAS SS4200 series"
453 depends on LEDS_CLASS
454 depends on PCI && DMI
457 This option enables support for the Intel SS4200 series of
458 Network Attached Storage servers. You may control the hard
459 drive or power LEDs on the front panel. Using this driver
460 can stop the front LED from blinking after startup.
463 tristate "LED driver for LT3593 controllers"
464 depends on LEDS_CLASS
465 depends on GPIOLIB || COMPILE_TEST
467 This option enables support for LEDs driven by a Linear Technology
468 LT3593 controller. This controller uses a special one-wire pulse
469 coding protocol to set the brightness.
472 tristate "LED Support for ADP5520/ADP5501 PMIC"
473 depends on LEDS_CLASS
474 depends on PMIC_ADP5520
476 This option enables support for on-chip LED drivers found
477 on Analog Devices ADP5520/ADP5501 PMICs.
479 To compile this driver as a module, choose M here: the module will
480 be called leds-adp5520.
483 tristate "LED Support for MC13XXX PMIC"
484 depends on LEDS_CLASS
485 depends on MFD_MC13XXX
487 This option enable support for on-chip LED drivers found
488 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
491 tristate "LED support for Network Space v2 GPIO LEDs"
492 depends on LEDS_CLASS
493 depends on MACH_KIRKWOOD || MACH_ARMADA_370
496 This option enables support for the dual-GPIO LEDs found on the
497 following LaCie/Seagate boards:
499 Network Space v2 (and parents: Max, Mini)
502 n090401 (Seagate NAS 4-Bay)
505 tristate "LED support for Big Network series LEDs"
506 depends on LEDS_CLASS
507 depends on MACH_KIRKWOOD
510 This option enable support for LEDs found on the LaCie 2Big
511 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
512 controlled through a GPIO extension bus.
515 bool "LED support for the HTC ASIC3"
516 depends on LEDS_CLASS=y
520 This option enables support for the LEDs on the HTC ASIC3. The HTC
521 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
522 cannot be used. This driver supports hardware blinking with an on+off
523 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
526 tristate "LED Support for TCA6507 I2C chip"
527 depends on LEDS_CLASS && I2C
529 This option enables support for LEDs connected to TC6507
530 LED driver chips accessed via the I2C bus.
531 Driver support brightness control and hardware-assisted blinking.
534 tristate "LED driver for TLC59108 and TLC59116 controllers"
535 depends on LEDS_CLASS && I2C
538 This option enables support for Texas Instruments TLC59108
539 and TLC59116 LED controllers.
542 tristate "LED support for MAX77693 Flash"
543 depends on LEDS_CLASS_FLASH
544 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
545 depends on MFD_MAX77693
548 This option enables support for the flash part of the MAX77693
549 multifunction device. It has build in control for two leds in flash
553 tristate "LED support for MAX8997 PMIC"
554 depends on LEDS_CLASS && MFD_MAX8997
556 This option enables support for on-chip LED drivers on
560 tristate "LED support for LM355x Chips, LM3554 and LM3556"
561 depends on LEDS_CLASS && I2C
564 This option enables support for LEDs connected to LM355x.
565 LM355x includes Torch, Flash and Indicator functions.
568 tristate "LED support for the Bachmann OT200"
569 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
571 This option enables support for the LEDs on the Bachmann OT200.
572 Say Y to enable LEDs on the Bachmann OT200.
574 config LEDS_MENF21BMC
575 tristate "LED support for the MEN 14F021P00 BMC"
576 depends on LEDS_CLASS && MFD_MENF21BMC
578 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
580 This driver can also be built as a module. If so the module
581 will be called leds-menf21bmc.
584 tristate "LED support for KTD2692 flash LED controller"
585 depends on LEDS_CLASS_FLASH && OF
586 depends on GPIOLIB || COMPILE_TEST
588 This option enables support for KTD2692 LED flash connected
589 through ExpressWire interface.
591 Say Y to enable this driver.
593 config LEDS_IS31FL319X
594 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
595 depends on LEDS_CLASS && I2C && OF
598 This option enables support for LEDs connected to ISSI IS31FL319x
599 fancy LED driver chips accessed via the I2C bus.
600 Driver supports individual PWM brightness control for each channel.
602 This driver can also be built as a module. If so the module will be
603 called leds-is31fl319x.
605 config LEDS_IS31FL32XX
606 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
607 depends on LEDS_CLASS && I2C && OF
609 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
610 LED controllers. They are I2C devices with multiple constant-current
611 channels, each with independent 256-level PWM control.
613 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
616 tristate "LED support for the BlinkM I2C RGB LED"
617 depends on LEDS_CLASS
620 This option enables support for the BlinkM RGB LED connected
621 through I2C. Say Y to enable support for the BlinkM LED.
624 tristate "LED support for PowerNV Platform"
625 depends on LEDS_CLASS
626 depends on PPC_POWERNV
629 This option enables support for the system LEDs present on
630 PowerNV platforms. Say 'y' to enable this support in kernel.
631 To compile this driver as a module, choose 'm' here: the module
632 will be called leds-powernv.
635 bool "LED support for LEDs on system controllers"
636 depends on LEDS_CLASS=y
637 depends on MFD_SYSCON
640 This option enabled support for the LEDs on syscon type
641 devices. This will only work with device tree enabled
645 tristate "LED Support for the Qualcomm PM8058 PMIC"
646 depends on MFD_PM8XXX
647 depends on LEDS_CLASS
649 Choose this option if you want to use the LED drivers in
650 the Qualcomm PM8058 PMIC.
653 tristate "LED support for the Mellanox boards"
654 depends on X86_64 && DMI
655 depends on LEDS_CLASS
657 This option enabled support for the LEDs on the Mellanox
658 boards. Say Y to enabled these.
661 tristate "Userspace LED support"
662 depends on LEDS_CLASS
664 This option enables support for userspace LEDs. Say 'y' to enable this
665 support in kernel. To compile this driver as a module, choose 'm' here:
666 the module will be called uleds.
669 tristate "LED support for NI PXI NIC78bx devices"
670 depends on LEDS_CLASS
671 depends on X86 && ACPI
673 This option enables support for the User1 and User2 LEDs on NI
676 To compile this driver as a module, choose M here: the module
677 will be called leds-nic78bx.
679 comment "LED Triggers"
680 source "drivers/leds/trigger/Kconfig"