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"
58 This option enables support for LEDs connected to the BCM6328
59 LED HW controller accessed via MMIO registers.
62 tristate "LED Support for Broadcom BCM6358"
67 This option enables support for LEDs connected to the BCM6358
68 LED HW controller accessed via MMIO registers.
71 tristate "LCD Backlight driver for LM3530"
75 This option enables support for the LCD backlight using
76 LM3530 ambient light sensor chip. This ALS chip can be
77 controlled manually or using PWM input or using ambient
81 tristate "LED support for LM3533"
85 This option enables support for the LEDs on National Semiconductor /
86 TI LM3533 Lighting Power chips.
88 The LEDs can be controlled directly, through PWM input, or by the
89 ambient-light-sensor interface. The chip supports
90 hardware-accelerated blinking with maximum on and off periods of 9.8
91 and 77 seconds respectively.
94 tristate "LED support for LM3642 Chip"
95 depends on LEDS_CLASS && I2C
98 This option enables support for LEDs connected to LM3642.
99 The LM3642 is a 4MHz fixed-frequency synchronous boost
100 converter plus 1.5A constant current driver for a high-current
105 tristate "LED Support for Locomo device"
106 depends on LEDS_CLASS
107 depends on SHARP_LOCOMO
109 This option enables support for the LEDs on Sharp Locomo.
110 Zaurus models SL-5500 and SL-5600.
112 config LEDS_MIKROTIK_RB532
113 tristate "LED Support for Mikrotik Routerboard 532"
114 depends on LEDS_CLASS
115 depends on MIKROTIK_RB532
117 This option enables support for the so called "User LED" of
118 Mikrotik's Routerboard 532.
121 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
122 depends on LEDS_CLASS
123 depends on ARCH_S3C24XX
125 This option enables support for LEDs connected to GPIO lines
126 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
129 tristate "LED Support for Soekris net48xx series Error LED"
130 depends on LEDS_CLASS
131 depends on SCx200_GPIO
133 This option enables support for the Soekris net4801 and net4826 error
137 tristate "LED Support for the Freecom FSG-3"
138 depends on LEDS_CLASS
141 This option enables support for the LEDs on the Freecom FSG-3.
144 tristate "LED Support for the WRAP series LEDs"
145 depends on LEDS_CLASS
146 depends on SCx200_GPIO
148 This option enables support for the PCEngines WRAP programmable LEDs.
150 config LEDS_COBALT_QUBE
151 tristate "LED Support for the Cobalt Qube series front LED"
152 depends on LEDS_CLASS
153 depends on MIPS_COBALT
155 This option enables support for the front LED on Cobalt Qube series
157 config LEDS_COBALT_RAQ
158 bool "LED Support for the Cobalt Raq series"
159 depends on LEDS_CLASS=y && MIPS_COBALT
162 This option enables support for the Cobalt Raq series LEDs.
165 tristate "LED support for SunFire servers."
166 depends on LEDS_CLASS
170 This option enables support for the Left, Middle, and Right
171 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
173 config LEDS_IPAQ_MICRO
174 tristate "LED Support for the Compaq iPAQ h3xxx"
175 depends on LEDS_CLASS
176 depends on MFD_IPAQ_MICRO
178 Choose this option if you want to use the notification LED on
179 Compaq/HP iPAQ h3100 and h3600.
182 tristate "LED Support for the HP Jornada 6xx"
183 depends on LEDS_CLASS
186 This option enables LED support for the handheld
187 HP Jornada 620/660/680/690.
190 tristate "LED driver for PCA9532 dimmer"
191 depends on LEDS_CLASS
192 depends on I2C && INPUT
194 This option enables support for NXP pca9532
195 LED controller. It is generally only useful
198 config LEDS_PCA9532_GPIO
199 bool "Enable GPIO support for PCA9532"
200 depends on LEDS_PCA9532
203 Allow unused pins on PCA9532 to be used as gpio.
205 To use a pin as gpio pca9532_type in pca9532_platform data needs to
206 set to PCA9532_TYPE_GPIO.
209 tristate "LED Support for GPIO connected LEDs"
210 depends on LEDS_CLASS
211 depends on GPIOLIB || COMPILE_TEST
213 This option enables support for the LEDs connected to GPIO
214 outputs. To be useful the particular board must have LEDs
215 and they must be connected to the GPIO lines. The LEDs must be
216 defined as platform devices and/or OpenFirmware platform devices.
217 The code to use these bindings can be selected below.
220 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
221 depends on LEDS_CLASS
224 This option enables support for LEDs connected to the National
225 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
228 To compile this driver as a module, choose M here: the
229 module will be called leds-lp3944.
232 tristate "LED Support for TI LP3952 2 channel LED driver"
233 depends on LEDS_CLASS
239 This option enables support for LEDs connected to the Texas
240 Instruments LP3952 LED driver.
242 To compile this driver as a module, choose M here: the
243 module will be called leds-lp3952.
245 config LEDS_LP55XX_COMMON
246 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
247 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
249 select FW_LOADER_USER_HELPER
251 This option supports common operations for LP5521/5523/55231/5562/8501
255 tristate "LED Support for N.S. LP5521 LED driver chip"
256 depends on LEDS_CLASS && I2C
257 select LEDS_LP55XX_COMMON
259 If you say yes here you get support for the National Semiconductor
260 LP5521 LED driver. It is 3 channel chip with programmable engines.
261 Driver provides direct control via LED class and interface for
262 programming the engines.
265 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
266 depends on LEDS_CLASS && I2C
267 select LEDS_LP55XX_COMMON
269 If you say yes here you get support for TI/National Semiconductor
270 LP5523/55231 LED driver.
271 It is 9 channel chip with programmable engines.
272 Driver provides direct control via LED class and interface for
273 programming the engines.
276 tristate "LED Support for TI LP5562 LED driver chip"
277 depends on LEDS_CLASS && I2C
278 select LEDS_LP55XX_COMMON
280 If you say yes here you get support for TI LP5562 LED driver.
281 It is 4 channels chip with programmable engines.
282 Driver provides direct control via LED class and interface for
283 programming the engines.
286 tristate "LED Support for TI LP8501 LED driver chip"
287 depends on LEDS_CLASS && I2C
288 select LEDS_LP55XX_COMMON
290 If you say yes here you get support for TI LP8501 LED driver.
291 It is 9 channel chip with programmable engines.
292 Driver provides direct control via LED class and interface for
293 programming the engines.
294 It is similar as LP5523, but output power selection is available.
295 And register layout and engine program schemes are different.
298 tristate "LED support for the TI LP8788 PMIC"
299 depends on LEDS_CLASS
300 depends on MFD_LP8788
302 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
305 tristate "LED support for the TI LP8860 4 channel LED driver"
306 depends on LEDS_CLASS && I2C
309 If you say yes here you get support for the TI LP8860 4 channel
311 This option enables support for the display cluster LEDs
312 on the LP8860 4 channel LED driver using the I2C communication
315 config LEDS_CLEVO_MAIL
316 tristate "Mail LED on Clevo notebook"
317 depends on LEDS_CLASS
318 depends on X86 && SERIO_I8042 && DMI
320 This driver makes the mail LED accessible from userspace
321 programs through the leds subsystem. This LED have three
322 known mode: off, blink at 0.5Hz and blink at 1Hz.
324 The driver supports two kinds of interface: using ledtrig-timer
325 or through /sys/class/leds/clevo::mail/brightness. As this LED
326 cannot change it's brightness it blinks instead. The brightness
327 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
330 This module can drive the mail LED for the following notebooks:
335 Clevo D400V/D470V (not tested, but might work)
337 Clevo M5x0N (not tested, but might work)
338 Positivo Mobile (Clevo M5x0V)
340 If your model is not listed here you can try the "nodetect"
343 To compile this driver as a module, choose M here: the
344 module will be called leds-clevo-mail.
347 tristate "LED Support for PCA955x I2C chips"
348 depends on LEDS_CLASS
351 This option enables support for LEDs connected to PCA955x
352 LED driver chips accessed via the I2C bus. Supported
353 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
356 tristate "LED support for PCA963x I2C chip"
357 depends on LEDS_CLASS
360 This option enables support for LEDs connected to the PCA963x
361 LED driver chip accessed via the I2C bus. Supported
362 devices include PCA9633 and PCA9634
364 config LEDS_WM831X_STATUS
365 tristate "LED support for status LEDs on WM831x PMICs"
366 depends on LEDS_CLASS
367 depends on MFD_WM831X
369 This option enables support for the status LEDs of the WM831x
373 tristate "LED Support for WM8350 AudioPlus PMIC"
374 depends on LEDS_CLASS
375 depends on MFD_WM8350
377 This option enables support for LEDs driven by the Wolfson
378 Microelectronics WM8350 AudioPlus PMIC.
381 tristate "LED Support for DA9030/DA9034 PMIC"
382 depends on LEDS_CLASS
383 depends on PMIC_DA903X
385 This option enables support for on-chip LED drivers found
386 on Dialog Semiconductor DA9030/DA9034 PMICs.
389 tristate "Dialog DA9052/DA9053 LEDS"
390 depends on LEDS_CLASS
391 depends on PMIC_DA9052
393 This option enables support for on-chip LED drivers found
394 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
396 config LEDS_DAC124S085
397 tristate "LED Support for DAC124S085 SPI DAC"
398 depends on LEDS_CLASS
401 This option enables support for DAC124S085 SPI DAC from NatSemi,
402 which can be used to control up to four LEDs.
405 tristate "PWM driven LED Support"
406 depends on LEDS_CLASS
409 This option enables support for pwm driven LEDs
411 config LEDS_REGULATOR
412 tristate "REGULATOR driven LED support"
413 depends on LEDS_CLASS
416 This option enables support for regulator driven LEDs.
419 tristate "LED driver for BD2802 RGB LED"
420 depends on LEDS_CLASS
423 This option enables support for BD2802GU RGB LED driver chips
424 accessed via the I2C bus.
426 config LEDS_INTEL_SS4200
427 tristate "LED driver for Intel NAS SS4200 series"
428 depends on LEDS_CLASS
429 depends on PCI && DMI
432 This option enables support for the Intel SS4200 series of
433 Network Attached Storage servers. You may control the hard
434 drive or power LEDs on the front panel. Using this driver
435 can stop the front LED from blinking after startup.
438 tristate "LED driver for LT3593 controllers"
439 depends on LEDS_CLASS
440 depends on GPIOLIB || COMPILE_TEST
442 This option enables support for LEDs driven by a Linear Technology
443 LT3593 controller. This controller uses a special one-wire pulse
444 coding protocol to set the brightness.
447 tristate "LED Support for ADP5520/ADP5501 PMIC"
448 depends on LEDS_CLASS
449 depends on PMIC_ADP5520
451 This option enables support for on-chip LED drivers found
452 on Analog Devices ADP5520/ADP5501 PMICs.
454 To compile this driver as a module, choose M here: the module will
455 be called leds-adp5520.
457 config LEDS_DELL_NETBOOKS
458 tristate "External LED on Dell Business Netbooks"
459 depends on LEDS_CLASS
460 depends on X86 && ACPI_WMI
461 depends on DELL_SMBIOS
463 This adds support for the Latitude 2100 and similar
464 notebooks that have an external LED.
467 tristate "LED Support for MC13XXX PMIC"
468 depends on LEDS_CLASS
469 depends on MFD_MC13XXX
471 This option enable support for on-chip LED drivers found
472 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
475 tristate "LED support for Network Space v2 GPIO LEDs"
476 depends on LEDS_CLASS
477 depends on MACH_KIRKWOOD || MACH_ARMADA_370
480 This option enables support for the dual-GPIO LEDs found on the
481 following LaCie/Seagate boards:
483 Network Space v2 (and parents: Max, Mini)
486 n090401 (Seagate NAS 4-Bay)
489 tristate "LED support for Big Network series LEDs"
490 depends on LEDS_CLASS
491 depends on MACH_KIRKWOOD
494 This option enable support for LEDs found on the LaCie 2Big
495 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
496 controlled through a GPIO extension bus.
499 bool "LED support for the HTC ASIC3"
500 depends on LEDS_CLASS=y
504 This option enables support for the LEDs on the HTC ASIC3. The HTC
505 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
506 cannot be used. This driver supports hardware blinking with an on+off
507 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
510 tristate "LED Support for TCA6507 I2C chip"
511 depends on LEDS_CLASS && I2C
513 This option enables support for LEDs connected to TC6507
514 LED driver chips accessed via the I2C bus.
515 Driver support brightness control and hardware-assisted blinking.
518 tristate "LED driver for TLC59108 and TLC59116 controllers"
519 depends on LEDS_CLASS && I2C
522 This option enables support for Texas Instruments TLC59108
523 and TLC59116 LED controllers.
526 tristate "LED support for MAX77693 Flash"
527 depends on LEDS_CLASS_FLASH
528 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
529 depends on MFD_MAX77693
532 This option enables support for the flash part of the MAX77693
533 multifunction device. It has build in control for two leds in flash
537 tristate "LED support for MAX8997 PMIC"
538 depends on LEDS_CLASS && MFD_MAX8997
540 This option enables support for on-chip LED drivers on
544 tristate "LED support for LM355x Chips, LM3554 and LM3556"
545 depends on LEDS_CLASS && I2C
548 This option enables support for LEDs connected to LM355x.
549 LM355x includes Torch, Flash and Indicator functions.
552 tristate "LED support for the Bachmann OT200"
553 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
555 This option enables support for the LEDs on the Bachmann OT200.
556 Say Y to enable LEDs on the Bachmann OT200.
558 config LEDS_MENF21BMC
559 tristate "LED support for the MEN 14F021P00 BMC"
560 depends on LEDS_CLASS && MFD_MENF21BMC
562 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
564 This driver can also be built as a module. If so the module
565 will be called leds-menf21bmc.
568 tristate "LED support for KTD2692 flash LED controller"
569 depends on LEDS_CLASS_FLASH && OF
570 depends on GPIOLIB || COMPILE_TEST
572 This option enables support for KTD2692 LED flash connected
573 through ExpressWire interface.
575 Say Y to enable this driver.
578 tristate "LED support for the MIPS SEAD 3 board"
579 depends on LEDS_CLASS && MIPS_SEAD3
581 Say Y here to include support for the FLED and PLED LEDs on SEAD3 eval
584 This driver can also be built as a module. If so the module
585 will be called leds-sead3.
587 config LEDS_IS31FL32XX
588 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
589 depends on LEDS_CLASS && I2C && OF
591 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
592 LED controllers. They are I2C devices with multiple constant-current
593 channels, each with independent 256-level PWM control.
595 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
598 tristate "LED support for the BlinkM I2C RGB LED"
599 depends on LEDS_CLASS
602 This option enables support for the BlinkM RGB LED connected
603 through I2C. Say Y to enable support for the BlinkM LED.
606 tristate "LED support for PowerNV Platform"
607 depends on LEDS_CLASS
608 depends on PPC_POWERNV
611 This option enables support for the system LEDs present on
612 PowerNV platforms. Say 'y' to enable this support in kernel.
613 To compile this driver as a module, choose 'm' here: the module
614 will be called leds-powernv.
617 bool "LED support for LEDs on system controllers"
618 depends on LEDS_CLASS=y
619 depends on MFD_SYSCON
622 This option enabled support for the LEDs on syscon type
623 devices. This will only work with device tree enabled
626 config LEDS_VERSATILE
627 tristate "LED support for the ARM Versatile and RealView"
628 depends on ARCH_REALVIEW || ARCH_VERSATILE
629 depends on LEDS_CLASS
631 This option enabled support for the LEDs on the ARM Versatile
632 and RealView boards. Say Y to enabled these.
634 comment "LED Triggers"
635 source "drivers/leds/trigger/Kconfig"