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"
57 This option enables support for LEDs connected to the BCM6328
58 LED HW controller accessed via MMIO registers.
61 tristate "LED Support for Broadcom BCM6358"
65 This option enables support for LEDs connected to the BCM6358
66 LED HW controller accessed via MMIO registers.
69 tristate "LCD Backlight driver for LM3530"
73 This option enables support for the LCD backlight using
74 LM3530 ambient light sensor chip. This ALS chip can be
75 controlled manually or using PWM input or using ambient
79 tristate "LED support for LM3533"
83 This option enables support for the LEDs on National Semiconductor /
84 TI LM3533 Lighting Power chips.
86 The LEDs can be controlled directly, through PWM input, or by the
87 ambient-light-sensor interface. The chip supports
88 hardware-accelerated blinking with maximum on and off periods of 9.8
89 and 77 seconds respectively.
92 tristate "LED support for LM3642 Chip"
93 depends on LEDS_CLASS && I2C
96 This option enables support for LEDs connected to LM3642.
97 The LM3642 is a 4MHz fixed-frequency synchronous boost
98 converter plus 1.5A constant current driver for a high-current
103 tristate "LED Support for Locomo device"
104 depends on LEDS_CLASS
105 depends on SHARP_LOCOMO
107 This option enables support for the LEDs on Sharp Locomo.
108 Zaurus models SL-5500 and SL-5600.
110 config LEDS_MIKROTIK_RB532
111 tristate "LED Support for Mikrotik Routerboard 532"
112 depends on LEDS_CLASS
113 depends on MIKROTIK_RB532
115 This option enables support for the so called "User LED" of
116 Mikrotik's Routerboard 532.
119 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
120 depends on LEDS_CLASS
121 depends on ARCH_S3C24XX
123 This option enables support for LEDs connected to GPIO lines
124 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
127 tristate "LED Support for Soekris net48xx series Error LED"
128 depends on LEDS_CLASS
129 depends on SCx200_GPIO
131 This option enables support for the Soekris net4801 and net4826 error
135 tristate "LED Support for the Freecom FSG-3"
136 depends on LEDS_CLASS
139 This option enables support for the LEDs on the Freecom FSG-3.
142 tristate "LED Support for the WRAP series LEDs"
143 depends on LEDS_CLASS
144 depends on SCx200_GPIO
146 This option enables support for the PCEngines WRAP programmable LEDs.
148 config LEDS_COBALT_QUBE
149 tristate "LED Support for the Cobalt Qube series front LED"
150 depends on LEDS_CLASS
151 depends on MIPS_COBALT
153 This option enables support for the front LED on Cobalt Qube series
155 config LEDS_COBALT_RAQ
156 bool "LED Support for the Cobalt Raq series"
157 depends on LEDS_CLASS=y && MIPS_COBALT
160 This option enables support for the Cobalt Raq series LEDs.
163 tristate "LED support for SunFire servers."
164 depends on LEDS_CLASS
168 This option enables support for the Left, Middle, and Right
169 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
171 config LEDS_IPAQ_MICRO
172 tristate "LED Support for the Compaq iPAQ h3xxx"
173 depends on MFD_IPAQ_MICRO
175 Choose this option if you want to use the notification LED on
176 Compaq/HP iPAQ h3100 and h3600.
179 tristate "LED Support for the HP Jornada 6xx"
180 depends on LEDS_CLASS
183 This option enables LED support for the handheld
184 HP Jornada 620/660/680/690.
187 tristate "LED driver for PCA9532 dimmer"
188 depends on LEDS_CLASS
189 depends on I2C && INPUT
191 This option enables support for NXP pca9532
192 LED controller. It is generally only useful
195 config LEDS_PCA9532_GPIO
196 bool "Enable GPIO support for PCA9532"
197 depends on LEDS_PCA9532
200 Allow unused pins on PCA9532 to be used as gpio.
202 To use a pin as gpio pca9532_type in pca9532_platform data needs to
203 set to PCA9532_TYPE_GPIO.
206 tristate "LED Support for GPIO connected LEDs"
207 depends on LEDS_CLASS
208 depends on GPIOLIB || COMPILE_TEST
210 This option enables support for the LEDs connected to GPIO
211 outputs. To be useful the particular board must have LEDs
212 and they must be connected to the GPIO lines. The LEDs must be
213 defined as platform devices and/or OpenFirmware platform devices.
214 The code to use these bindings can be selected below.
217 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
218 depends on LEDS_CLASS
221 This option enables support for LEDs connected to the National
222 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
225 To compile this driver as a module, choose M here: the
226 module will be called leds-lp3944.
228 config LEDS_LP55XX_COMMON
229 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
230 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
232 select FW_LOADER_USER_HELPER_FALLBACK
234 This option supports common operations for LP5521/5523/55231/5562/8501
238 tristate "LED Support for N.S. LP5521 LED driver chip"
239 depends on LEDS_CLASS && I2C
240 select LEDS_LP55XX_COMMON
242 If you say yes here you get support for the National Semiconductor
243 LP5521 LED driver. It is 3 channel chip with programmable engines.
244 Driver provides direct control via LED class and interface for
245 programming the engines.
248 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
249 depends on LEDS_CLASS && I2C
250 select LEDS_LP55XX_COMMON
252 If you say yes here you get support for TI/National Semiconductor
253 LP5523/55231 LED driver.
254 It is 9 channel chip with programmable engines.
255 Driver provides direct control via LED class and interface for
256 programming the engines.
259 tristate "LED Support for TI LP5562 LED driver chip"
260 depends on LEDS_CLASS && I2C
261 select LEDS_LP55XX_COMMON
263 If you say yes here you get support for TI LP5562 LED driver.
264 It is 4 channels chip with programmable engines.
265 Driver provides direct control via LED class and interface for
266 programming the engines.
269 tristate "LED Support for TI LP8501 LED driver chip"
270 depends on LEDS_CLASS && I2C
271 select LEDS_LP55XX_COMMON
273 If you say yes here you get support for TI LP8501 LED driver.
274 It is 9 channel chip with programmable engines.
275 Driver provides direct control via LED class and interface for
276 programming the engines.
277 It is similar as LP5523, but output power selection is available.
278 And register layout and engine program schemes are different.
281 tristate "LED support for the TI LP8788 PMIC"
282 depends on LEDS_CLASS
283 depends on MFD_LP8788
285 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
288 tristate "LED support for the TI LP8860 4 channel LED driver"
289 depends on LEDS_CLASS && I2C
292 If you say yes here you get support for the TI LP8860 4 channel
294 This option enables support for the display cluster LEDs
295 on the LP8860 4 channel LED driver using the I2C communication
298 config LEDS_CLEVO_MAIL
299 tristate "Mail LED on Clevo notebook"
300 depends on LEDS_CLASS
301 depends on X86 && SERIO_I8042 && DMI
303 This driver makes the mail LED accessible from userspace
304 programs through the leds subsystem. This LED have three
305 known mode: off, blink at 0.5Hz and blink at 1Hz.
307 The driver supports two kinds of interface: using ledtrig-timer
308 or through /sys/class/leds/clevo::mail/brightness. As this LED
309 cannot change it's brightness it blinks instead. The brightness
310 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
313 This module can drive the mail LED for the following notebooks:
318 Clevo D400V/D470V (not tested, but might work)
320 Clevo M5x0N (not tested, but might work)
321 Positivo Mobile (Clevo M5x0V)
323 If your model is not listed here you can try the "nodetect"
326 To compile this driver as a module, choose M here: the
327 module will be called leds-clevo-mail.
330 tristate "LED Support for PCA955x I2C chips"
331 depends on LEDS_CLASS
334 This option enables support for LEDs connected to PCA955x
335 LED driver chips accessed via the I2C bus. Supported
336 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
339 tristate "LED support for PCA963x I2C chip"
340 depends on LEDS_CLASS
343 This option enables support for LEDs connected to the PCA963x
344 LED driver chip accessed via the I2C bus. Supported
345 devices include PCA9633 and PCA9634
347 config LEDS_WM831X_STATUS
348 tristate "LED support for status LEDs on WM831x PMICs"
349 depends on LEDS_CLASS
350 depends on MFD_WM831X
352 This option enables support for the status LEDs of the WM831x
356 tristate "LED Support for WM8350 AudioPlus PMIC"
357 depends on LEDS_CLASS
358 depends on MFD_WM8350
360 This option enables support for LEDs driven by the Wolfson
361 Microelectronics WM8350 AudioPlus PMIC.
364 tristate "LED Support for DA9030/DA9034 PMIC"
365 depends on LEDS_CLASS
366 depends on PMIC_DA903X
368 This option enables support for on-chip LED drivers found
369 on Dialog Semiconductor DA9030/DA9034 PMICs.
372 tristate "Dialog DA9052/DA9053 LEDS"
373 depends on LEDS_CLASS
374 depends on PMIC_DA9052
376 This option enables support for on-chip LED drivers found
377 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
379 config LEDS_DAC124S085
380 tristate "LED Support for DAC124S085 SPI DAC"
381 depends on LEDS_CLASS
384 This option enables support for DAC124S085 SPI DAC from NatSemi,
385 which can be used to control up to four LEDs.
388 tristate "PWM driven LED Support"
389 depends on LEDS_CLASS
392 This option enables support for pwm driven LEDs
394 config LEDS_REGULATOR
395 tristate "REGULATOR driven LED support"
396 depends on LEDS_CLASS
399 This option enables support for regulator driven LEDs.
402 tristate "LED driver for BD2802 RGB LED"
403 depends on LEDS_CLASS
406 This option enables support for BD2802GU RGB LED driver chips
407 accessed via the I2C bus.
409 config LEDS_INTEL_SS4200
410 tristate "LED driver for Intel NAS SS4200 series"
411 depends on LEDS_CLASS
412 depends on PCI && DMI
414 This option enables support for the Intel SS4200 series of
415 Network Attached Storage servers. You may control the hard
416 drive or power LEDs on the front panel. Using this driver
417 can stop the front LED from blinking after startup.
420 tristate "LED driver for LT3593 controllers"
421 depends on LEDS_CLASS
422 depends on GPIOLIB || COMPILE_TEST
424 This option enables support for LEDs driven by a Linear Technology
425 LT3593 controller. This controller uses a special one-wire pulse
426 coding protocol to set the brightness.
429 tristate "LED Support for ADP5520/ADP5501 PMIC"
430 depends on LEDS_CLASS
431 depends on PMIC_ADP5520
433 This option enables support for on-chip LED drivers found
434 on Analog Devices ADP5520/ADP5501 PMICs.
436 To compile this driver as a module, choose M here: the module will
437 be called leds-adp5520.
439 config LEDS_DELL_NETBOOKS
440 tristate "External LED on Dell Business Netbooks"
441 depends on LEDS_CLASS
442 depends on X86 && ACPI_WMI
444 This adds support for the Latitude 2100 and similar
445 notebooks that have an external LED.
448 tristate "LED Support for MC13XXX PMIC"
449 depends on LEDS_CLASS
450 depends on MFD_MC13XXX
452 This option enable support for on-chip LED drivers found
453 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
456 tristate "LED support for Network Space v2 GPIO LEDs"
457 depends on LEDS_CLASS
458 depends on MACH_KIRKWOOD || MACH_ARMADA_370
461 This option enables support for the dual-GPIO LEDs found on the
462 following LaCie/Seagate boards:
464 Network Space v2 (and parents: Max, Mini)
467 n090401 (Seagate NAS 4-Bay)
470 tristate "LED support for Big Network series LEDs"
471 depends on LEDS_CLASS
472 depends on MACH_KIRKWOOD
475 This option enable support for LEDs found on the LaCie 2Big
476 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
477 controlled through a GPIO extension bus.
480 bool "LED support for the HTC ASIC3"
481 depends on LEDS_CLASS=y
485 This option enables support for the LEDs on the HTC ASIC3. The HTC
486 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
487 cannot be used. This driver supports hardware blinking with an on+off
488 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
491 tristate "LED Support for TCA6507 I2C chip"
492 depends on LEDS_CLASS && I2C
494 This option enables support for LEDs connected to TC6507
495 LED driver chips accessed via the I2C bus.
496 Driver support brightness control and hardware-assisted blinking.
499 tristate "LED driver for TLC59108 and TLC59116 controllers"
500 depends on LEDS_CLASS && I2C
503 This option enables support for Texas Instruments TLC59108
504 and TLC59116 LED controllers.
507 tristate "LED support for MAX77693 Flash"
508 depends on LEDS_CLASS_FLASH
509 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
510 depends on MFD_MAX77693
513 This option enables support for the flash part of the MAX77693
514 multifunction device. It has build in control for two leds in flash
518 tristate "LED support for MAX8997 PMIC"
519 depends on LEDS_CLASS && MFD_MAX8997
521 This option enables support for on-chip LED drivers on
525 tristate "LED support for LM355x Chips, LM3554 and LM3556"
526 depends on LEDS_CLASS && I2C
529 This option enables support for LEDs connected to LM355x.
530 LM355x includes Torch, Flash and Indicator functions.
533 tristate "LED support for the Bachmann OT200"
534 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
536 This option enables support for the LEDs on the Bachmann OT200.
537 Say Y to enable LEDs on the Bachmann OT200.
539 config LEDS_MENF21BMC
540 tristate "LED support for the MEN 14F021P00 BMC"
541 depends on LEDS_CLASS && MFD_MENF21BMC
543 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
545 This driver can also be built as a module. If so the module
546 will be called leds-menf21bmc.
549 tristate "LED support for KTD2692 flash LED controller"
550 depends on LEDS_CLASS_FLASH && OF
551 depends on GPIOLIB || COMPILE_TEST
553 This option enables support for KTD2692 LED flash connected
554 through ExpressWire interface.
556 Say Y to enable this driver.
558 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
561 tristate "LED support for the BlinkM I2C RGB LED"
562 depends on LEDS_CLASS
565 This option enables support for the BlinkM RGB LED connected
566 through I2C. Say Y to enable support for the BlinkM LED.
569 tristate "LED support for PowerNV Platform"
570 depends on LEDS_CLASS
571 depends on PPC_POWERNV
574 This option enables support for the system LEDs present on
575 PowerNV platforms. Say 'y' to enable this support in kernel.
576 To compile this driver as a module, choose 'm' here: the module
577 will be called leds-powernv.
580 bool "LED support for LEDs on system controllers"
581 depends on LEDS_CLASS=y
582 depends on MFD_SYSCON
585 This option enabled support for the LEDs on syscon type
586 devices. This will only work with device tree enabled
589 config LEDS_VERSATILE
590 tristate "LED support for the ARM Versatile and RealView"
591 depends on ARCH_REALVIEW || ARCH_VERSATILE
592 depends on LEDS_CLASS
594 This option enabled support for the LEDs on the ARM Versatile
595 and RealView boards. Say Y to enabled these.
597 comment "LED Triggers"
598 source "drivers/leds/trigger/Kconfig"