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
275 This option supports common operations for LP5521/5523/55231/5562/8501
279 tristate "LED Support for N.S. LP5521 LED driver chip"
280 depends on LEDS_CLASS && I2C
281 select LEDS_LP55XX_COMMON
283 If you say yes here you get support for the National Semiconductor
284 LP5521 LED driver. It is 3 channel chip with programmable engines.
285 Driver provides direct control via LED class and interface for
286 programming the engines.
289 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
290 depends on LEDS_CLASS && I2C
291 select LEDS_LP55XX_COMMON
293 If you say yes here you get support for TI/National Semiconductor
294 LP5523/55231 LED driver.
295 It is 9 channel chip with programmable engines.
296 Driver provides direct control via LED class and interface for
297 programming the engines.
300 tristate "LED Support for TI LP5562 LED driver chip"
301 depends on LEDS_CLASS && I2C
302 select LEDS_LP55XX_COMMON
304 If you say yes here you get support for TI LP5562 LED driver.
305 It is 4 channels 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 LP8501 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 LP8501 LED driver.
315 It is 9 channel chip with programmable engines.
316 Driver provides direct control via LED class and interface for
317 programming the engines.
318 It is similar as LP5523, but output power selection is available.
319 And register layout and engine program schemes are different.
322 tristate "LED support for the TI LP8788 PMIC"
323 depends on LEDS_CLASS
324 depends on MFD_LP8788
326 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
329 tristate "LED support for the TI LP8860 4 channel LED driver"
330 depends on LEDS_CLASS && I2C
333 If you say yes here you get support for the TI LP8860 4 channel
335 This option enables support for the display cluster LEDs
336 on the LP8860 4 channel LED driver using the I2C communication
339 config LEDS_CLEVO_MAIL
340 tristate "Mail LED on Clevo notebook"
341 depends on LEDS_CLASS
342 depends on X86 && SERIO_I8042 && DMI
344 This driver makes the mail LED accessible from userspace
345 programs through the leds subsystem. This LED have three
346 known mode: off, blink at 0.5Hz and blink at 1Hz.
348 The driver supports two kinds of interface: using ledtrig-timer
349 or through /sys/class/leds/clevo::mail/brightness. As this LED
350 cannot change it's brightness it blinks instead. The brightness
351 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
354 This module can drive the mail LED for the following notebooks:
359 Clevo D400V/D470V (not tested, but might work)
361 Clevo M5x0N (not tested, but might work)
362 Positivo Mobile (Clevo M5x0V)
364 If your model is not listed here you can try the "nodetect"
367 To compile this driver as a module, choose M here: the
368 module will be called leds-clevo-mail.
371 tristate "LED Support for PCA955x I2C chips"
372 depends on LEDS_CLASS
375 This option enables support for LEDs connected to PCA955x
376 LED driver chips accessed via the I2C bus. Supported
377 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
380 tristate "LED support for PCA963x I2C chip"
381 depends on LEDS_CLASS
384 This option enables support for LEDs connected to the PCA963x
385 LED driver chip accessed via the I2C bus. Supported
386 devices include PCA9633 and PCA9634
388 config LEDS_WM831X_STATUS
389 tristate "LED support for status LEDs on WM831x PMICs"
390 depends on LEDS_CLASS
391 depends on MFD_WM831X
393 This option enables support for the status LEDs of the WM831x
397 tristate "LED Support for WM8350 AudioPlus PMIC"
398 depends on LEDS_CLASS
399 depends on MFD_WM8350
401 This option enables support for LEDs driven by the Wolfson
402 Microelectronics WM8350 AudioPlus PMIC.
405 tristate "LED Support for DA9030/DA9034 PMIC"
406 depends on LEDS_CLASS
407 depends on PMIC_DA903X
409 This option enables support for on-chip LED drivers found
410 on Dialog Semiconductor DA9030/DA9034 PMICs.
413 tristate "Dialog DA9052/DA9053 LEDS"
414 depends on LEDS_CLASS
415 depends on PMIC_DA9052
417 This option enables support for on-chip LED drivers found
418 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
420 config LEDS_DAC124S085
421 tristate "LED Support for DAC124S085 SPI DAC"
422 depends on LEDS_CLASS
425 This option enables support for DAC124S085 SPI DAC from NatSemi,
426 which can be used to control up to four LEDs.
429 tristate "PWM driven LED Support"
430 depends on LEDS_CLASS
433 This option enables support for pwm driven LEDs
435 config LEDS_REGULATOR
436 tristate "REGULATOR driven LED support"
437 depends on LEDS_CLASS
440 This option enables support for regulator driven LEDs.
443 tristate "LED driver for BD2802 RGB LED"
444 depends on LEDS_CLASS
447 This option enables support for BD2802GU RGB LED driver chips
448 accessed via the I2C bus.
450 config LEDS_INTEL_SS4200
451 tristate "LED driver for Intel NAS SS4200 series"
452 depends on LEDS_CLASS
453 depends on PCI && DMI
456 This option enables support for the Intel SS4200 series of
457 Network Attached Storage servers. You may control the hard
458 drive or power LEDs on the front panel. Using this driver
459 can stop the front LED from blinking after startup.
462 tristate "LED driver for LT3593 controllers"
463 depends on LEDS_CLASS
464 depends on GPIOLIB || COMPILE_TEST
466 This option enables support for LEDs driven by a Linear Technology
467 LT3593 controller. This controller uses a special one-wire pulse
468 coding protocol to set the brightness.
471 tristate "LED Support for ADP5520/ADP5501 PMIC"
472 depends on LEDS_CLASS
473 depends on PMIC_ADP5520
475 This option enables support for on-chip LED drivers found
476 on Analog Devices ADP5520/ADP5501 PMICs.
478 To compile this driver as a module, choose M here: the module will
479 be called leds-adp5520.
482 tristate "LED Support for MC13XXX PMIC"
483 depends on LEDS_CLASS
484 depends on MFD_MC13XXX
486 This option enable support for on-chip LED drivers found
487 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
490 tristate "LED support for Network Space v2 GPIO LEDs"
491 depends on LEDS_CLASS
492 depends on MACH_KIRKWOOD || MACH_ARMADA_370
495 This option enables support for the dual-GPIO LEDs found on the
496 following LaCie/Seagate boards:
498 Network Space v2 (and parents: Max, Mini)
501 n090401 (Seagate NAS 4-Bay)
504 tristate "LED support for Big Network series LEDs"
505 depends on LEDS_CLASS
506 depends on MACH_KIRKWOOD
509 This option enable support for LEDs found on the LaCie 2Big
510 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
511 controlled through a GPIO extension bus.
514 bool "LED support for the HTC ASIC3"
515 depends on LEDS_CLASS=y
519 This option enables support for the LEDs on the HTC ASIC3. The HTC
520 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
521 cannot be used. This driver supports hardware blinking with an on+off
522 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
525 tristate "LED Support for TCA6507 I2C chip"
526 depends on LEDS_CLASS && I2C
528 This option enables support for LEDs connected to TC6507
529 LED driver chips accessed via the I2C bus.
530 Driver support brightness control and hardware-assisted blinking.
533 tristate "LED driver for TLC59108 and TLC59116 controllers"
534 depends on LEDS_CLASS && I2C
537 This option enables support for Texas Instruments TLC59108
538 and TLC59116 LED controllers.
541 tristate "LED support for MAX77693 Flash"
542 depends on LEDS_CLASS_FLASH
543 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
544 depends on MFD_MAX77693
547 This option enables support for the flash part of the MAX77693
548 multifunction device. It has build in control for two leds in flash
552 tristate "LED support for MAX8997 PMIC"
553 depends on LEDS_CLASS && MFD_MAX8997
555 This option enables support for on-chip LED drivers on
559 tristate "LED support for LM355x Chips, LM3554 and LM3556"
560 depends on LEDS_CLASS && I2C
563 This option enables support for LEDs connected to LM355x.
564 LM355x includes Torch, Flash and Indicator functions.
567 tristate "LED support for the Bachmann OT200"
568 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
570 This option enables support for the LEDs on the Bachmann OT200.
571 Say Y to enable LEDs on the Bachmann OT200.
573 config LEDS_MENF21BMC
574 tristate "LED support for the MEN 14F021P00 BMC"
575 depends on LEDS_CLASS && MFD_MENF21BMC
577 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
579 This driver can also be built as a module. If so the module
580 will be called leds-menf21bmc.
583 tristate "LED support for KTD2692 flash LED controller"
584 depends on LEDS_CLASS_FLASH && OF
585 depends on GPIOLIB || COMPILE_TEST
587 This option enables support for KTD2692 LED flash connected
588 through ExpressWire interface.
590 Say Y to enable this driver.
592 config LEDS_IS31FL319X
593 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
594 depends on LEDS_CLASS && I2C && OF
597 This option enables support for LEDs connected to ISSI IS31FL319x
598 fancy LED driver chips accessed via the I2C bus.
599 Driver supports individual PWM brightness control for each channel.
601 This driver can also be built as a module. If so the module will be
602 called leds-is31fl319x.
604 config LEDS_IS31FL32XX
605 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
606 depends on LEDS_CLASS && I2C && OF
608 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
609 LED controllers. They are I2C devices with multiple constant-current
610 channels, each with independent 256-level PWM control.
612 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
615 tristate "LED support for the BlinkM I2C RGB LED"
616 depends on LEDS_CLASS
619 This option enables support for the BlinkM RGB LED connected
620 through I2C. Say Y to enable support for the BlinkM LED.
623 tristate "LED support for PowerNV Platform"
624 depends on LEDS_CLASS
625 depends on PPC_POWERNV
628 This option enables support for the system LEDs present on
629 PowerNV platforms. Say 'y' to enable this support in kernel.
630 To compile this driver as a module, choose 'm' here: the module
631 will be called leds-powernv.
634 bool "LED support for LEDs on system controllers"
635 depends on LEDS_CLASS=y
636 depends on MFD_SYSCON
639 This option enabled support for the LEDs on syscon type
640 devices. This will only work with device tree enabled
644 tristate "LED Support for the Qualcomm PM8058 PMIC"
645 depends on MFD_PM8XXX
646 depends on LEDS_CLASS
648 Choose this option if you want to use the LED drivers in
649 the Qualcomm PM8058 PMIC.
652 tristate "LED support for the Mellanox boards"
653 depends on X86_64 && DMI
654 depends on LEDS_CLASS
656 This option enabled support for the LEDs on the Mellanox
657 boards. Say Y to enabled these.
660 tristate "Userspace LED support"
661 depends on LEDS_CLASS
663 This option enables support for userspace LEDs. Say 'y' to enable this
664 support in kernel. To compile this driver as a module, choose 'm' here:
665 the module will be called uleds.
668 tristate "LED support for NI PXI NIC78bx devices"
669 depends on LEDS_CLASS
670 depends on X86 && ACPI
672 This option enables support for the User1 and User2 LEDs on NI
675 To compile this driver as a module, choose M here: the module
676 will be called leds-nic78bx.
678 comment "LED Triggers"
679 source "drivers/leds/trigger/Kconfig"