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1# SPDX-License-Identifier: GPL-2.0-only
2config LEDS_GPIO_REGISTER
3 bool
4 help
5 This option provides the function gpio_led_register_device.
6 As this function is used by arch code it must not be compiled as a
7 module.
8
9# This library does not depend on NEW_LEDS and must be independent so it can be
10# selected from other subsystems (specifically backlight).
11config LEDS_EXPRESSWIRE
12 bool
13 depends on GPIOLIB
14
15menuconfig NEW_LEDS
16 bool "LED Support"
17 help
18 Say Y to enable Linux LED support. This allows control of supported
19 LEDs from both userspace and optionally, by kernel events (triggers).
20
21if NEW_LEDS
22
23config LEDS_CLASS
24 tristate "LED Class Support"
25 help
26 This option enables the LED sysfs class in /sys/class/leds. You'll
27 need this to do anything useful with LEDs. If unsure, say Y.
28
29config LEDS_CLASS_FLASH
30 tristate "LED Flash Class Support"
31 depends on LEDS_CLASS
32 help
33 This option enables the flash LED sysfs class in /sys/class/leds.
34 It wraps LED Class and adds flash LEDs specific sysfs attributes
35 and kernel internal API to it. You'll need this to provide support
36 for the flash related features of a LED device. It can be built
37 as a module.
38
39config LEDS_CLASS_MULTICOLOR
40 tristate "LED Multicolor Class Support"
41 depends on LEDS_CLASS
42 help
43 This option enables the multicolor LED sysfs class in /sys/class/leds.
44 It wraps LED class and adds multicolor LED specific sysfs attributes
45 and kernel internal API to it. You'll need this to provide support
46 for multicolor LEDs that are grouped together. This class is not
47 intended for single color LEDs. It can be built as a module.
48
49config LEDS_BRIGHTNESS_HW_CHANGED
50 bool "LED Class brightness_hw_changed attribute support"
51 depends on LEDS_CLASS
52 help
53 This option enables support for the brightness_hw_changed attribute
54 for LED sysfs class devices under /sys/class/leds.
55
56 See Documentation/ABI/testing/sysfs-class-led for details.
57
58comment "LED drivers"
59
60config LEDS_88PM860X
61 tristate "LED Support for Marvell 88PM860x PMIC"
62 depends on LEDS_CLASS
63 depends on MFD_88PM860X
64 help
65 This option enables support for on-chip LED drivers found on Marvell
66 Semiconductor 88PM8606 PMIC.
67
68config LEDS_AN30259A
69 tristate "LED support for Panasonic AN30259A"
70 depends on LEDS_CLASS && I2C && OF
71 help
72 This option enables support for the AN30259A 3-channel
73 LED driver.
74
75 To compile this driver as a module, choose M here: the module
76 will be called leds-an30259a.
77
78config LEDS_APU
79 tristate "Front panel LED support for PC Engines APU/APU2/APU3 boards"
80 depends on LEDS_CLASS
81 depends on X86 && DMI
82 help
83 This driver makes the PC Engines APU1 front panel LEDs
84 accessible from userspace programs through the LED subsystem.
85
86 If you're looking for APU2/3, use the pcengines-apu2 driver.
87 (symbol CONFIG_PCENGINES_APU2)
88
89 To compile this driver as a module, choose M here: the
90 module will be called leds-apu.
91
92config LEDS_ARIEL
93 tristate "Dell Wyse 3020 status LED support"
94 depends on LEDS_CLASS
95 depends on (MACH_MMP3_DT && MFD_ENE_KB3930) || COMPILE_TEST
96 help
97 This driver adds support for controlling the front panel status
98 LEDs on Dell Wyse 3020 (Ariel) board via the KB3930 Embedded
99 Controller.
100
101 Say Y to if your machine is a Dell Wyse 3020 thin client.
102
103config LEDS_AW200XX
104 tristate "LED support for Awinic AW20036/AW20054/AW20072/AW20108"
105 depends on LEDS_CLASS
106 depends on I2C
107 help
108 This option enables support for the Awinic AW200XX LED controllers.
109 It is a matrix LED driver programmed via an I2C interface. Devices have
110 a set of individually controlled LEDs and support 3 pattern controllers
111 for auto breathing or group dimming control. Supported devices:
112 - AW20036 (3x12) 36 LEDs
113 - AW20054 (6x9) 54 LEDs
114 - AW20072 (6x12) 72 LEDs
115 - AW20108 (9x12) 108 LEDs
116
117 To compile this driver as a module, choose M here: the module
118 will be called leds-aw200xx.
119
120config LEDS_AW2013
121 tristate "LED support for Awinic AW2013"
122 depends on LEDS_CLASS && I2C && OF
123 select REGMAP_I2C
124 help
125 This option enables support for the AW2013 3-channel
126 LED driver.
127
128 To compile this driver as a module, choose M here: the module
129 will be called leds-aw2013.
130
131config LEDS_BCM6328
132 tristate "LED Support for Broadcom BCM6328"
133 depends on LEDS_CLASS
134 depends on HAS_IOMEM
135 depends on OF
136 help
137 This option enables support for LEDs connected to the BCM6328
138 LED HW controller accessed via MMIO registers.
139
140config LEDS_BCM6358
141 tristate "LED Support for Broadcom BCM6358"
142 depends on LEDS_CLASS
143 depends on HAS_IOMEM
144 depends on OF
145 help
146 This option enables support for LEDs connected to the BCM6358
147 LED HW controller accessed via MMIO registers.
148
149config LEDS_CHT_WCOVE
150 tristate "LED support for Intel Cherry Trail Whiskey Cove PMIC"
151 depends on LEDS_CLASS
152 depends on INTEL_SOC_PMIC_CHTWC
153 help
154 This option enables support for charger and general purpose LEDs
155 connected to the Intel Cherrytrail Whiskey Cove PMIC.
156
157 To compile this driver as a module, choose M here: the module
158 will be called leds-cht-wcove.
159
160config LEDS_CPCAP
161 tristate "LED Support for Motorola CPCAP"
162 depends on LEDS_CLASS
163 depends on MFD_CPCAP
164 depends on OF
165 help
166 This option enables support for LEDs offered by Motorola's
167 CPCAP PMIC.
168
169config LEDS_CR0014114
170 tristate "LED Support for Crane CR0014114"
171 depends on LEDS_CLASS
172 depends on SPI
173 depends on OF
174 help
175 This option enables support for CR0014114 LED Board which
176 is widely used in vending machines produced by
177 Crane Merchandising Systems.
178
179 To compile this driver as a module, choose M here: the module
180 will be called leds-cr0014114.
181
182config LEDS_CROS_EC
183 tristate "LED Support for ChromeOS EC"
184 depends on MFD_CROS_EC_DEV
185 depends on LEDS_CLASS_MULTICOLOR
186 select LEDS_TRIGGERS
187 default MFD_CROS_EC_DEV
188 help
189 This option enables support for LEDs managed by ChromeOS ECs.
190 All LEDs exposed by the EC are supported in multicolor mode.
191 A hardware trigger to switch back to the automatic behaviour is
192 provided.
193
194 To compile this driver as a module, choose M here: the module
195 will be called leds-cros_ec.
196
197config LEDS_EL15203000
198 tristate "LED Support for Crane EL15203000"
199 depends on LEDS_CLASS
200 depends on SPI
201 depends on OF
202 help
203 This option enables support for EL15203000 LED Board
204 (aka RED LED board) which is widely used in coffee vending
205 machines produced by Crane Merchandising Systems.
206
207 To compile this driver as a module, choose M here: the module
208 will be called leds-el15203000.
209
210config LEDS_EXPRESSWIRE
211 bool
212 depends on GPIOLIB
213
214config LEDS_TURRIS_OMNIA
215 tristate "LED support for CZ.NIC's Turris Omnia"
216 depends on LEDS_CLASS_MULTICOLOR
217 depends on I2C
218 depends on MACH_ARMADA_38X || COMPILE_TEST
219 depends on OF
220 select LEDS_TRIGGERS
221 help
222 This option enables basic support for the LEDs found on the front
223 side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
224 front panel.
225
226config LEDS_LM3530
227 tristate "LCD Backlight driver for LM3530"
228 depends on LEDS_CLASS
229 depends on I2C
230 help
231 This option enables support for the LCD backlight using
232 LM3530 ambient light sensor chip. This ALS chip can be
233 controlled manually or using PWM input or using ambient
234 light automatically.
235
236config LEDS_LM3532
237 tristate "LCD Backlight driver for LM3532"
238 select REGMAP_I2C
239 depends on LEDS_CLASS
240 depends on I2C
241 help
242 This option enables support for the LCD backlight using
243 LM3532 ambient light sensor chip. This ALS chip can be
244 controlled manually or using PWM input or using ambient
245 light automatically.
246
247config LEDS_LM3533
248 tristate "LED support for LM3533"
249 depends on LEDS_CLASS
250 depends on MFD_LM3533
251 help
252 This option enables support for the LEDs on National Semiconductor /
253 TI LM3533 Lighting Power chips.
254
255 The LEDs can be controlled directly, through PWM input, or by the
256 ambient-light-sensor interface. The chip supports
257 hardware-accelerated blinking with maximum on and off periods of 9.8
258 and 77 seconds respectively.
259
260config LEDS_LM3642
261 tristate "LED support for LM3642 Chip"
262 depends on LEDS_CLASS && I2C
263 select REGMAP_I2C
264 help
265 This option enables support for LEDs connected to LM3642.
266 The LM3642 is a 4MHz fixed-frequency synchronous boost
267 converter plus 1.5A constant current driver for a high-current
268 white LED.
269
270config LEDS_LM3692X
271 tristate "LED support for LM3692x Chips"
272 depends on LEDS_CLASS && I2C && OF
273 select REGMAP_I2C
274 help
275 This option enables support for the TI LM3692x family
276 of white LED string drivers used for backlighting.
277
278config LEDS_LOCOMO
279 tristate "LED Support for Locomo device"
280 depends on LEDS_CLASS
281 depends on SHARP_LOCOMO
282 help
283 This option enables support for the LEDs on Sharp Locomo.
284 Zaurus models SL-5500 and SL-5600.
285
286config LEDS_MIKROTIK_RB532
287 tristate "LED Support for Mikrotik Routerboard 532"
288 depends on LEDS_CLASS
289 depends on MIKROTIK_RB532
290 help
291 This option enables support for the so called "User LED" of
292 Mikrotik's Routerboard 532.
293
294config LEDS_MT6323
295 tristate "LED Support for Mediatek MT6323 PMIC"
296 depends on LEDS_CLASS
297 depends on MFD_MT6397
298 help
299 This option enables support for on-chip LED drivers found on
300 Mediatek MT6323 PMIC.
301
302config LEDS_NET48XX
303 tristate "LED Support for Soekris net48xx series Error LED"
304 depends on LEDS_CLASS
305 depends on SCx200_GPIO
306 help
307 This option enables support for the Soekris net4801 and net4826 error
308 LED.
309
310config LEDS_WRAP
311 tristate "LED Support for the WRAP series LEDs"
312 depends on LEDS_CLASS
313 depends on SCx200_GPIO
314 help
315 This option enables support for the PCEngines WRAP programmable LEDs.
316
317config LEDS_COBALT_QUBE
318 tristate "LED Support for the Cobalt Qube series front LED"
319 depends on LEDS_CLASS
320 depends on MIPS_COBALT || COMPILE_TEST
321 help
322 This option enables support for the front LED on Cobalt Qube series
323
324config LEDS_COBALT_RAQ
325 bool "LED Support for the Cobalt Raq series"
326 depends on LEDS_CLASS=y && (MIPS_COBALT || COMPILE_TEST)
327 select LEDS_TRIGGERS
328 help
329 This option enables support for the Cobalt Raq series LEDs.
330
331config LEDS_SUN50I_A100
332 tristate "LED support for Allwinner A100 RGB LED controller"
333 depends on LEDS_CLASS_MULTICOLOR
334 depends on ARCH_SUNXI || COMPILE_TEST
335 help
336 This option enables support for the RGB LED controller found
337 in some Allwinner sunxi SoCs, including A100, R329, and D1.
338 It uses a one-wire interface to control up to 1024 LEDs.
339
340config LEDS_SUNFIRE
341 tristate "LED support for SunFire servers."
342 depends on LEDS_CLASS
343 depends on SPARC64
344 select LEDS_TRIGGERS
345 help
346 This option enables support for the Left, Middle, and Right
347 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
348
349config LEDS_IPAQ_MICRO
350 tristate "LED Support for the Compaq iPAQ h3xxx"
351 depends on LEDS_CLASS
352 depends on MFD_IPAQ_MICRO
353 help
354 Choose this option if you want to use the notification LED on
355 Compaq/HP iPAQ h3100 and h3600.
356
357config LEDS_HP6XX
358 tristate "LED Support for the HP Jornada 6xx"
359 depends on LEDS_CLASS
360 depends on SH_HP6XX
361 help
362 This option enables LED support for the handheld
363 HP Jornada 620/660/680/690.
364
365config LEDS_PCA9532
366 tristate "LED driver for PCA9532 dimmer"
367 depends on LEDS_CLASS
368 depends on I2C && INPUT
369 help
370 This option enables support for NXP pca9532
371 LED controller. It is generally only useful
372 as a platform driver
373
374config LEDS_PCA9532_GPIO
375 bool "Enable GPIO support for PCA9532"
376 depends on LEDS_PCA9532
377 depends on GPIOLIB
378 help
379 Allow unused pins on PCA9532 to be used as gpio.
380
381 To use a pin as gpio pca9532_type in pca9532_platform data needs to
382 set to PCA9532_TYPE_GPIO.
383
384config LEDS_GPIO
385 tristate "LED Support for GPIO connected LEDs"
386 depends on LEDS_CLASS
387 depends on GPIOLIB || COMPILE_TEST
388 help
389 This option enables support for the LEDs connected to GPIO
390 outputs. To be useful the particular board must have LEDs
391 and they must be connected to the GPIO lines. The LEDs must be
392 defined as platform devices and/or OpenFirmware platform devices.
393 The code to use these bindings can be selected below.
394
395config LEDS_LP3944
396 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
397 depends on LEDS_CLASS
398 depends on I2C
399 help
400 This option enables support for LEDs connected to the National
401 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
402 Fun Light Chip.
403
404 To compile this driver as a module, choose M here: the
405 module will be called leds-lp3944.
406
407config LEDS_LP3952
408 tristate "LED Support for TI LP3952 2 channel LED driver"
409 depends on LEDS_CLASS
410 depends on I2C
411 depends on GPIOLIB
412 select REGMAP_I2C
413 help
414 This option enables support for LEDs connected to the Texas
415 Instruments LP3952 LED driver.
416
417 To compile this driver as a module, choose M here: the
418 module will be called leds-lp3952.
419
420config LEDS_LP50XX
421 tristate "LED Support for TI LP5036/30/24/18/12/09 LED driver chip"
422 depends on LEDS_CLASS && REGMAP_I2C
423 depends on LEDS_CLASS_MULTICOLOR
424 help
425 If you say yes here you get support for the Texas Instruments
426 LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver.
427
428 To compile this driver as a module, choose M here: the
429 module will be called leds-lp50xx.
430
431config LEDS_LP55XX_COMMON
432 tristate "Common Driver for TI/National LP5521/5523/55231/5562/5569/8501"
433 depends on LEDS_CLASS
434 depends on LEDS_CLASS_MULTICOLOR
435 depends on OF
436 depends on I2C
437 select FW_LOADER
438 select FW_LOADER_USER_HELPER
439 help
440 This option supports common operations for LP5521/5523/55231/5562/5569/
441 8501 devices.
442
443config LEDS_LP5521
444 tristate "LED Support for N.S. LP5521 LED driver chip"
445 depends on LEDS_CLASS && I2C
446 depends on LEDS_LP55XX_COMMON
447 help
448 If you say yes here you get support for the National Semiconductor
449 LP5521 LED driver. It is 3 channel chip with programmable engines.
450 Driver provides direct control via LED class and interface for
451 programming the engines.
452
453config LEDS_LP5523
454 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
455 depends on LEDS_CLASS && I2C
456 depends on LEDS_LP55XX_COMMON
457 help
458 If you say yes here you get support for TI/National Semiconductor
459 LP5523/55231 LED driver.
460 It is 9 channel chip with programmable engines.
461 Driver provides direct control via LED class and interface for
462 programming the engines.
463
464config LEDS_LP5562
465 tristate "LED Support for TI LP5562 LED driver chip"
466 depends on LEDS_CLASS && I2C
467 depends on LEDS_LP55XX_COMMON
468 help
469 If you say yes here you get support for TI LP5562 LED driver.
470 It is 4 channels chip with programmable engines.
471 Driver provides direct control via LED class and interface for
472 programming the engines.
473
474config LEDS_LP5569
475 tristate "LED Support for TI LP5569 LED driver chip"
476 depends on LEDS_CLASS && I2C
477 depends on LEDS_LP55XX_COMMON
478 help
479 If you say yes here you get support for TI LP5569 LED driver.
480 It is 9 channels chip with programmable engines.
481 Driver provides direct control via LED class and interface for
482 programming the engines.
483
484config LEDS_LP8501
485 tristate "LED Support for TI LP8501 LED driver chip"
486 depends on LEDS_CLASS && I2C
487 depends on LEDS_LP55XX_COMMON
488 help
489 If you say yes here you get support for TI LP8501 LED driver.
490 It is 9 channel chip with programmable engines.
491 Driver provides direct control via LED class and interface for
492 programming the engines.
493 It is similar as LP5523, but output power selection is available.
494 And register layout and engine program schemes are different.
495
496config LEDS_LP8788
497 tristate "LED support for the TI LP8788 PMIC"
498 depends on LEDS_CLASS
499 depends on MFD_LP8788
500 help
501 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
502
503config LEDS_LP8860
504 tristate "LED support for the TI LP8860 4 channel LED driver"
505 depends on LEDS_CLASS && I2C && OF
506 select REGMAP_I2C
507 help
508 If you say yes here you get support for the TI LP8860 4 channel
509 LED driver.
510 This option enables support for the display cluster LEDs
511 on the LP8860 4 channel LED driver using the I2C communication
512 bus.
513
514config LEDS_CLEVO_MAIL
515 tristate "Mail LED on Clevo notebook"
516 depends on LEDS_CLASS && BROKEN
517 depends on X86 && SERIO_I8042 && DMI
518 help
519 This driver makes the mail LED accessible from userspace
520 programs through the LEDs subsystem. This LED has three
521 known modes: off, blink at 0.5Hz and blink at 1Hz.
522
523 The driver supports two kinds of interface: using ledtrig-timer
524 or through /sys/class/leds/clevo::mail/brightness. As this LED
525 cannot change its brightness it blinks instead. The brightness
526 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
527 blink at 1Hz.
528
529 This module can drive the mail LED for the following notebooks:
530
531 Clevo D400P
532 Clevo D410J
533 Clevo D410V
534 Clevo D400V/D470V (not tested, but might work)
535 Clevo M540N
536 Clevo M5x0N (not tested, but might work)
537 Positivo Mobile (Clevo M5x0V)
538
539 If your model is not listed here you can try the "nodetect"
540 module parameter.
541
542 To compile this driver as a module, choose M here: the
543 module will be called leds-clevo-mail.
544
545config LEDS_PCA955X
546 tristate "LED Support for PCA955x I2C chips"
547 depends on LEDS_CLASS
548 depends on I2C
549 help
550 This option enables support for LEDs connected to PCA955x
551 LED driver chips accessed via the I2C bus. Supported
552 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
553
554config LEDS_PCA955X_GPIO
555 bool "Enable GPIO support for PCA955X"
556 depends on LEDS_PCA955X
557 depends on GPIOLIB
558 help
559 Allow unused pins on PCA955X to be used as gpio.
560
561 To use a pin as gpio the pin type should be set to
562 PCA955X_TYPE_GPIO in the device tree.
563
564
565config LEDS_PCA963X
566 tristate "LED support for PCA963x I2C chip"
567 depends on LEDS_CLASS
568 depends on I2C
569 help
570 This option enables support for LEDs connected to the PCA963x
571 LED driver chip accessed via the I2C bus. Supported
572 devices include PCA9633 and PCA9634
573
574config LEDS_PCA995X
575 tristate "LED Support for PCA995x I2C chips"
576 depends on LEDS_CLASS
577 depends on I2C
578 help
579 This option enables support for LEDs connected to PCA995x
580 LED driver chips accessed via the I2C bus. Supported
581 devices include PCA9955BTW, PCA9952TW and PCA9955TW.
582
583config LEDS_WM831X_STATUS
584 tristate "LED support for status LEDs on WM831x PMICs"
585 depends on LEDS_CLASS
586 depends on MFD_WM831X
587 help
588 This option enables support for the status LEDs of the WM831x
589 series of PMICs.
590
591config LEDS_WM8350
592 tristate "LED Support for WM8350 AudioPlus PMIC"
593 depends on LEDS_CLASS
594 depends on MFD_WM8350
595 help
596 This option enables support for LEDs driven by the Wolfson
597 Microelectronics WM8350 AudioPlus PMIC.
598
599config LEDS_DA903X
600 tristate "LED Support for DA9030/DA9034 PMIC"
601 depends on LEDS_CLASS
602 depends on PMIC_DA903X
603 help
604 This option enables support for on-chip LED drivers found
605 on Dialog Semiconductor DA9030/DA9034 PMICs.
606
607config LEDS_DA9052
608 tristate "Dialog DA9052/DA9053 LEDS"
609 depends on LEDS_CLASS
610 depends on PMIC_DA9052
611 help
612 This option enables support for on-chip LED drivers found
613 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
614
615config LEDS_DAC124S085
616 tristate "LED Support for DAC124S085 SPI DAC"
617 depends on LEDS_CLASS
618 depends on SPI
619 help
620 This option enables support for DAC124S085 SPI DAC from NatSemi,
621 which can be used to control up to four LEDs.
622
623config LEDS_PWM
624 tristate "PWM driven LED Support"
625 depends on LEDS_CLASS
626 depends on PWM
627 help
628 This option enables support for pwm driven LEDs
629
630config LEDS_REGULATOR
631 tristate "REGULATOR driven LED support"
632 depends on LEDS_CLASS
633 depends on REGULATOR
634 help
635 This option enables support for regulator driven LEDs.
636
637config LEDS_BD2606MVV
638 tristate "LED driver for BD2606MVV"
639 depends on LEDS_CLASS
640 depends on I2C
641 select REGMAP_I2C
642 help
643 This option enables support for BD2606MVV LED driver chips
644 accessed via the I2C bus. It supports setting brightness, with
645 the limitiation that there are groups of two channels sharing
646 a brightness setting, but not the on/off setting.
647
648 To compile this driver as a module, choose M here: the module will
649 be called leds-bd2606mvv.
650
651config LEDS_BD2802
652 tristate "LED driver for BD2802 RGB LED"
653 depends on LEDS_CLASS
654 depends on I2C
655 help
656 This option enables support for BD2802GU RGB LED driver chips
657 accessed via the I2C bus.
658
659config LEDS_INTEL_SS4200
660 tristate "LED driver for Intel NAS SS4200 series"
661 depends on LEDS_CLASS
662 depends on PCI && DMI
663 depends on X86
664 help
665 This option enables support for the Intel SS4200 series of
666 Network Attached Storage servers. You may control the hard
667 drive or power LEDs on the front panel. Using this driver
668 can stop the front LED from blinking after startup.
669
670config LEDS_LT3593
671 tristate "LED driver for LT3593 controllers"
672 depends on LEDS_CLASS
673 depends on GPIOLIB || COMPILE_TEST
674 help
675 This option enables support for LEDs driven by a Linear Technology
676 LT3593 controller. This controller uses a special one-wire pulse
677 coding protocol to set the brightness.
678
679config LEDS_ADP5520
680 tristate "LED Support for ADP5520/ADP5501 PMIC"
681 depends on LEDS_CLASS
682 depends on PMIC_ADP5520
683 help
684 This option enables support for on-chip LED drivers found
685 on Analog Devices ADP5520/ADP5501 PMICs.
686
687 To compile this driver as a module, choose M here: the module will
688 be called leds-adp5520.
689
690config LEDS_MAX5970
691 tristate "LED Support for Maxim 5970"
692 depends on LEDS_CLASS
693 depends on MFD_MAX5970
694 help
695 This option enables support for the Maxim MAX5970 & MAX5978 smart
696 switch indication LEDs via the I2C bus.
697
698 To compile this driver as a module, choose M here: the module will
699 be called leds-max5970.
700
701config LEDS_MC13783
702 tristate "LED Support for MC13XXX PMIC"
703 depends on LEDS_CLASS
704 depends on MFD_MC13XXX
705 help
706 This option enables support for on-chip LED drivers found
707 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
708
709config LEDS_NS2
710 tristate "LED support for Network Space v2 GPIO LEDs"
711 depends on LEDS_CLASS
712 depends on MACH_KIRKWOOD || MACH_ARMADA_370 || COMPILE_TEST
713 default y
714 help
715 This option enables support for the dual-GPIO LEDs found on the
716 following LaCie/Seagate boards:
717
718 Network Space v2 (and parents: Max, Mini)
719 Internet Space v2
720 d2 Network v2
721 n090401 (Seagate NAS 4-Bay)
722
723config LEDS_NETXBIG
724 tristate "LED support for Big Network series LEDs"
725 depends on LEDS_CLASS
726 depends on MACH_KIRKWOOD || COMPILE_TEST
727 depends on OF_GPIO
728 default y
729 help
730 This option enables support for LEDs found on the LaCie 2Big
731 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
732 controlled through a GPIO extension bus.
733
734config LEDS_TCA6507
735 tristate "LED Support for TCA6507 I2C chip"
736 depends on LEDS_CLASS && I2C
737 help
738 This option enables support for LEDs connected to TC6507
739 LED driver chips accessed via the I2C bus.
740 Driver support brightness control and hardware-assisted blinking.
741
742config LEDS_TLC591XX
743 tristate "LED driver for TLC59108 and TLC59116 controllers"
744 depends on LEDS_CLASS && I2C
745 select REGMAP_I2C
746 help
747 This option enables support for Texas Instruments TLC59108
748 and TLC59116 LED controllers.
749
750config LEDS_MAX77650
751 tristate "LED support for Maxim MAX77650 PMIC"
752 depends on LEDS_CLASS && MFD_MAX77650
753 help
754 LEDs driver for MAX77650 family of PMICs from Maxim Integrated.
755
756config LEDS_MAX8997
757 tristate "LED support for MAX8997 PMIC"
758 depends on LEDS_CLASS && MFD_MAX8997
759 help
760 This option enables support for on-chip LED drivers on
761 MAXIM MAX8997 PMIC.
762
763config LEDS_LM355x
764 tristate "LED support for LM3554 and LM3556 chips"
765 depends on LEDS_CLASS && I2C
766 select REGMAP_I2C
767 help
768 This option enables support for LEDs connected to LM3554
769 and LM3556. It includes Torch, Flash and Indicator functions.
770
771config LEDS_OT200
772 tristate "LED support for the Bachmann OT200"
773 depends on LEDS_CLASS && HAS_IOPORT && (X86_32 || COMPILE_TEST)
774 help
775 This option enables support for the LEDs on the Bachmann OT200.
776 Say Y to enable LEDs on the Bachmann OT200.
777
778config LEDS_MENF21BMC
779 tristate "LED support for the MEN 14F021P00 BMC"
780 depends on LEDS_CLASS && MFD_MENF21BMC
781 help
782 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
783
784 This driver can also be built as a module. If so the module
785 will be called leds-menf21bmc.
786
787config LEDS_IS31FL319X
788 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
789 depends on LEDS_CLASS && I2C
790 select REGMAP_I2C
791 help
792 This option enables support for LEDs connected to ISSI IS31FL319x
793 fancy LED driver chips accessed via the I2C bus.
794 Driver supports individual PWM brightness control for each channel.
795
796 This driver can also be built as a module. If so the module will be
797 called leds-is31fl319x.
798
799config LEDS_IS31FL32XX
800 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
801 depends on LEDS_CLASS && I2C && OF
802 help
803 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
804 LED controllers. They are I2C devices with multiple constant-current
805 channels, each with independent 256-level PWM control.
806
807config LEDS_SC27XX_BLTC
808 tristate "LED support for the SC27xx breathing light controller"
809 depends on LEDS_CLASS && MFD_SC27XX_PMIC
810 depends on OF
811 help
812 Say Y here to include support for the SC27xx breathing light controller
813 LEDs.
814
815 This driver can also be built as a module. If so the module will be
816 called leds-sc27xx-bltc.
817
818comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
819
820config LEDS_BLINKM
821 tristate "LED support for the BlinkM I2C RGB LED"
822 depends on LEDS_CLASS
823 depends on I2C
824 help
825 This option enables support for the BlinkM RGB LED connected
826 through I2C. Say Y to enable support for the BlinkM LED.
827
828config LEDS_BLINKM_MULTICOLOR
829 bool "Enable multicolor support for BlinkM I2C RGB LED"
830 depends on LEDS_BLINKM
831 depends on LEDS_CLASS_MULTICOLOR=y || LEDS_CLASS_MULTICOLOR=LEDS_BLINKM
832 help
833 This option enables multicolor sysfs class support for BlinkM LED and
834 disables the older, separated sysfs interface
835
836config LEDS_POWERNV
837 tristate "LED support for PowerNV Platform"
838 depends on LEDS_CLASS
839 depends on PPC_POWERNV
840 depends on OF
841 help
842 This option enables support for the system LEDs present on
843 PowerNV platforms. Say 'y' to enable this support in kernel.
844 To compile this driver as a module, choose 'm' here: the module
845 will be called leds-powernv.
846
847config LEDS_SYSCON
848 bool "LED support for LEDs on system controllers"
849 depends on LEDS_CLASS=y
850 depends on MFD_SYSCON
851 depends on OF
852 help
853 This option enables support for the LEDs on syscon type
854 devices. This will only work with device tree enabled
855 devices.
856
857config LEDS_PM8058
858 tristate "LED Support for the Qualcomm PM8058 PMIC"
859 depends on MFD_PM8XXX
860 depends on LEDS_CLASS
861 help
862 Choose this option if you want to use the LED drivers in
863 the Qualcomm PM8058 PMIC.
864
865config LEDS_MLXCPLD
866 tristate "LED support for the Mellanox boards"
867 depends on X86 && DMI
868 depends on LEDS_CLASS
869 help
870 This option enables support for the LEDs on the Mellanox
871 boards. Say Y to enable these.
872
873config LEDS_MLXREG
874 tristate "LED support for the Mellanox switches management control"
875 depends on LEDS_CLASS
876 help
877 This option enables support for the LEDs on the Mellanox Ethernet and
878 InfiniBand switches. The driver can be activated by the platform device
879 device add call. Say Y to enable these. To compile this driver as a
880 module, choose 'M' here: the module will be called leds-mlxreg.
881
882config LEDS_USER
883 tristate "Userspace LED support"
884 depends on LEDS_CLASS
885 help
886 This option enables support for userspace LEDs. Say 'y' to enable this
887 support in kernel. To compile this driver as a module, choose 'm' here:
888 the module will be called uleds.
889
890config LEDS_NIC78BX
891 tristate "LED support for NI PXI NIC78bx devices"
892 depends on LEDS_CLASS
893 depends on X86 && ACPI
894 help
895 This option enables support for the User1 and User2 LEDs on NI
896 PXI NIC78bx devices.
897
898 To compile this driver as a module, choose M here: the module
899 will be called leds-nic78bx.
900
901config LEDS_SPI_BYTE
902 tristate "LED support for SPI LED controller with a single byte"
903 depends on LEDS_CLASS
904 depends on SPI
905 help
906 This option enables support for LED controller which use a single byte
907 for controlling the brightness. Currently the following controller is
908 supported: Ubiquiti airCube ISP microcontroller based LED controller.
909
910config LEDS_TI_LMU_COMMON
911 tristate "LED driver for TI LMU" if COMPILE_TEST
912 select REGMAP
913 help
914 Say Y to enable the LED driver for TI LMU devices.
915 This supports common features between the TI LM3532, LM3631, LM3632,
916 LM3633, LM3695 and LM3697.
917
918config LEDS_LM3697
919 tristate "LED driver for LM3697"
920 depends on LEDS_CLASS && I2C && OF
921 select LEDS_TI_LMU_COMMON
922 help
923 Say Y to enable the LM3697 LED driver for TI LMU devices.
924 This supports the LED device LM3697.
925
926config LEDS_LM36274
927 tristate "LED driver for LM36274"
928 depends on LEDS_CLASS && MFD_TI_LMU
929 select LEDS_TI_LMU_COMMON
930 help
931 Say Y to enable the LM36274 LED driver for TI LMU devices.
932 This supports the LED device LM36274.
933
934config LEDS_TPS6105X
935 tristate "LED support for TI TPS6105X"
936 depends on LEDS_CLASS
937 depends on TPS6105X
938 default y if TPS6105X
939 help
940 This driver supports TPS61050/TPS61052 LED chips.
941 It is a single boost converter primarily for white LEDs and
942 audio amplifiers.
943
944config LEDS_IP30
945 tristate "LED support for SGI Octane machines"
946 depends on LEDS_CLASS
947 depends on SGI_MFD_IOC3 || COMPILE_TEST
948 help
949 This option enables support for the Red and White LEDs of
950 SGI Octane machines.
951
952 To compile this driver as a module, choose M here: the module
953 will be called leds-ip30.
954
955config LEDS_ACER_A500
956 tristate "Power button LED support for Acer Iconia Tab A500"
957 depends on LEDS_CLASS && MFD_ACER_A500_EC
958 help
959 This option enables support for the Power Button LED of
960 Acer Iconia Tab A500.
961
962source "drivers/leds/blink/Kconfig"
963
964comment "Flash and Torch LED drivers"
965source "drivers/leds/flash/Kconfig"
966
967comment "RGB LED drivers"
968source "drivers/leds/rgb/Kconfig"
969
970comment "LED Triggers"
971source "drivers/leds/trigger/Kconfig"
972
973comment "Simple LED drivers"
974source "drivers/leds/simple/Kconfig"
975
976endif # NEW_LEDS
1# SPDX-License-Identifier: GPL-2.0-only
2config LEDS_GPIO_REGISTER
3 bool
4 help
5 This option provides the function gpio_led_register_device.
6 As this function is used by arch code it must not be compiled as a
7 module.
8
9menuconfig NEW_LEDS
10 bool "LED Support"
11 help
12 Say Y to enable Linux LED support. This allows control of supported
13 LEDs from both userspace and optionally, by kernel events (triggers).
14
15if NEW_LEDS
16
17config LEDS_CLASS
18 tristate "LED Class Support"
19 help
20 This option enables the LED sysfs class in /sys/class/leds. You'll
21 need this to do anything useful with LEDs. If unsure, say Y.
22
23config LEDS_CLASS_FLASH
24 tristate "LED Flash Class Support"
25 depends on LEDS_CLASS
26 help
27 This option enables the flash LED sysfs class in /sys/class/leds.
28 It wraps LED Class and adds flash LEDs specific sysfs attributes
29 and kernel internal API to it. You'll need this to provide support
30 for the flash related features of a LED device. It can be built
31 as a module.
32
33config LEDS_CLASS_MULTICOLOR
34 tristate "LED Multicolor Class Support"
35 depends on LEDS_CLASS
36 help
37 This option enables the multicolor LED sysfs class in /sys/class/leds.
38 It wraps LED class and adds multicolor LED specific sysfs attributes
39 and kernel internal API to it. You'll need this to provide support
40 for multicolor LEDs that are grouped together. This class is not
41 intended for single color LEDs. It can be built as a module.
42
43config LEDS_BRIGHTNESS_HW_CHANGED
44 bool "LED Class brightness_hw_changed attribute support"
45 depends on LEDS_CLASS
46 help
47 This option enables support for the brightness_hw_changed attribute
48 for LED sysfs class devices under /sys/class/leds.
49
50 See Documentation/ABI/testing/sysfs-class-led for details.
51
52comment "LED drivers"
53
54config LEDS_88PM860X
55 tristate "LED Support for Marvell 88PM860x PMIC"
56 depends on LEDS_CLASS
57 depends on MFD_88PM860X
58 help
59 This option enables support for on-chip LED drivers found on Marvell
60 Semiconductor 88PM8606 PMIC.
61
62config LEDS_AN30259A
63 tristate "LED support for Panasonic AN30259A"
64 depends on LEDS_CLASS && I2C && OF
65 help
66 This option enables support for the AN30259A 3-channel
67 LED driver.
68
69 To compile this driver as a module, choose M here: the module
70 will be called leds-an30259a.
71
72config LEDS_APU
73 tristate "Front panel LED support for PC Engines APU/APU2/APU3 boards"
74 depends on LEDS_CLASS
75 depends on X86 && DMI
76 help
77 This driver makes the PC Engines APU1 front panel LEDs
78 accessible from userspace programs through the LED subsystem.
79
80 If you're looking for APU2/3, use the pcengines-apu2 driver.
81 (symbol CONFIG_PCENGINES_APU2)
82
83 To compile this driver as a module, choose M here: the
84 module will be called leds-apu.
85
86config LEDS_ARIEL
87 tristate "Dell Wyse 3020 status LED support"
88 depends on LEDS_CLASS
89 depends on (MACH_MMP3_DT && MFD_ENE_KB3930) || COMPILE_TEST
90 help
91 This driver adds support for controlling the front panel status
92 LEDs on Dell Wyse 3020 (Ariel) board via the KB3930 Embedded
93 Controller.
94
95 Say Y to if your machine is a Dell Wyse 3020 thin client.
96
97config LEDS_AW2013
98 tristate "LED support for Awinic AW2013"
99 depends on LEDS_CLASS && I2C && OF
100 help
101 This option enables support for the AW2013 3-channel
102 LED driver.
103
104 To compile this driver as a module, choose M here: the module
105 will be called leds-aw2013.
106
107config LEDS_BCM6328
108 tristate "LED Support for Broadcom BCM6328"
109 depends on LEDS_CLASS
110 depends on HAS_IOMEM
111 depends on OF
112 help
113 This option enables support for LEDs connected to the BCM6328
114 LED HW controller accessed via MMIO registers.
115
116config LEDS_BCM6358
117 tristate "LED Support for Broadcom BCM6358"
118 depends on LEDS_CLASS
119 depends on HAS_IOMEM
120 depends on OF
121 help
122 This option enables support for LEDs connected to the BCM6358
123 LED HW controller accessed via MMIO registers.
124
125config LEDS_CPCAP
126 tristate "LED Support for Motorola CPCAP"
127 depends on LEDS_CLASS
128 depends on MFD_CPCAP
129 depends on OF
130 help
131 This option enables support for LEDs offered by Motorola's
132 CPCAP PMIC.
133
134config LEDS_CR0014114
135 tristate "LED Support for Crane CR0014114"
136 depends on LEDS_CLASS
137 depends on SPI
138 depends on OF
139 help
140 This option enables support for CR0014114 LED Board which
141 is widely used in vending machines produced by
142 Crane Merchandising Systems.
143
144 To compile this driver as a module, choose M here: the module
145 will be called leds-cr0014114.
146
147config LEDS_EL15203000
148 tristate "LED Support for Crane EL15203000"
149 depends on LEDS_CLASS
150 depends on SPI
151 depends on OF
152 help
153 This option enables support for EL15203000 LED Board
154 (aka RED LED board) which is widely used in coffee vending
155 machines produced by Crane Merchandising Systems.
156
157 To compile this driver as a module, choose M here: the module
158 will be called leds-el15203000.
159
160config LEDS_TURRIS_OMNIA
161 tristate "LED support for CZ.NIC's Turris Omnia"
162 depends on LEDS_CLASS_MULTICOLOR
163 depends on I2C
164 depends on MACH_ARMADA_38X || COMPILE_TEST
165 depends on OF
166 help
167 This option enables basic support for the LEDs found on the front
168 side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
169 front panel.
170
171config LEDS_LM3530
172 tristate "LCD Backlight driver for LM3530"
173 depends on LEDS_CLASS
174 depends on I2C
175 help
176 This option enables support for the LCD backlight using
177 LM3530 ambient light sensor chip. This ALS chip can be
178 controlled manually or using PWM input or using ambient
179 light automatically.
180
181config LEDS_LM3532
182 tristate "LCD Backlight driver for LM3532"
183 select REGMAP_I2C
184 depends on LEDS_CLASS
185 depends on I2C
186 help
187 This option enables support for the LCD backlight using
188 LM3532 ambient light sensor chip. This ALS chip can be
189 controlled manually or using PWM input or using ambient
190 light automatically.
191
192config LEDS_LM3533
193 tristate "LED support for LM3533"
194 depends on LEDS_CLASS
195 depends on MFD_LM3533
196 help
197 This option enables support for the LEDs on National Semiconductor /
198 TI LM3533 Lighting Power chips.
199
200 The LEDs can be controlled directly, through PWM input, or by the
201 ambient-light-sensor interface. The chip supports
202 hardware-accelerated blinking with maximum on and off periods of 9.8
203 and 77 seconds respectively.
204
205config LEDS_LM3642
206 tristate "LED support for LM3642 Chip"
207 depends on LEDS_CLASS && I2C
208 select REGMAP_I2C
209 help
210 This option enables support for LEDs connected to LM3642.
211 The LM3642 is a 4MHz fixed-frequency synchronous boost
212 converter plus 1.5A constant current driver for a high-current
213 white LED.
214
215config LEDS_LM3692X
216 tristate "LED support for LM3692x Chips"
217 depends on LEDS_CLASS && I2C && OF
218 select REGMAP_I2C
219 help
220 This option enables support for the TI LM3692x family
221 of white LED string drivers used for backlighting.
222
223config LEDS_LOCOMO
224 tristate "LED Support for Locomo device"
225 depends on LEDS_CLASS
226 depends on SHARP_LOCOMO
227 help
228 This option enables support for the LEDs on Sharp Locomo.
229 Zaurus models SL-5500 and SL-5600.
230
231config LEDS_MIKROTIK_RB532
232 tristate "LED Support for Mikrotik Routerboard 532"
233 depends on LEDS_CLASS
234 depends on MIKROTIK_RB532
235 help
236 This option enables support for the so called "User LED" of
237 Mikrotik's Routerboard 532.
238
239config LEDS_MT6323
240 tristate "LED Support for Mediatek MT6323 PMIC"
241 depends on LEDS_CLASS
242 depends on MFD_MT6397
243 help
244 This option enables support for on-chip LED drivers found on
245 Mediatek MT6323 PMIC.
246
247config LEDS_S3C24XX
248 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
249 depends on LEDS_CLASS
250 depends on ARCH_S3C24XX || COMPILE_TEST
251 help
252 This option enables support for LEDs connected to GPIO lines
253 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
254
255config LEDS_NET48XX
256 tristate "LED Support for Soekris net48xx series Error LED"
257 depends on LEDS_CLASS
258 depends on SCx200_GPIO
259 help
260 This option enables support for the Soekris net4801 and net4826 error
261 LED.
262
263config LEDS_WRAP
264 tristate "LED Support for the WRAP series LEDs"
265 depends on LEDS_CLASS
266 depends on SCx200_GPIO
267 help
268 This option enables support for the PCEngines WRAP programmable LEDs.
269
270config LEDS_COBALT_QUBE
271 tristate "LED Support for the Cobalt Qube series front LED"
272 depends on LEDS_CLASS
273 depends on MIPS_COBALT || COMPILE_TEST
274 help
275 This option enables support for the front LED on Cobalt Qube series
276
277config LEDS_COBALT_RAQ
278 bool "LED Support for the Cobalt Raq series"
279 depends on LEDS_CLASS=y && (MIPS_COBALT || COMPILE_TEST)
280 select LEDS_TRIGGERS
281 help
282 This option enables support for the Cobalt Raq series LEDs.
283
284config LEDS_SUNFIRE
285 tristate "LED support for SunFire servers."
286 depends on LEDS_CLASS
287 depends on SPARC64
288 select LEDS_TRIGGERS
289 help
290 This option enables support for the Left, Middle, and Right
291 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
292
293config LEDS_IPAQ_MICRO
294 tristate "LED Support for the Compaq iPAQ h3xxx"
295 depends on LEDS_CLASS
296 depends on MFD_IPAQ_MICRO
297 help
298 Choose this option if you want to use the notification LED on
299 Compaq/HP iPAQ h3100 and h3600.
300
301config LEDS_HP6XX
302 tristate "LED Support for the HP Jornada 6xx"
303 depends on LEDS_CLASS
304 depends on SH_HP6XX
305 help
306 This option enables LED support for the handheld
307 HP Jornada 620/660/680/690.
308
309config LEDS_PCA9532
310 tristate "LED driver for PCA9532 dimmer"
311 depends on LEDS_CLASS
312 depends on I2C && INPUT
313 help
314 This option enables support for NXP pca9532
315 LED controller. It is generally only useful
316 as a platform driver
317
318config LEDS_PCA9532_GPIO
319 bool "Enable GPIO support for PCA9532"
320 depends on LEDS_PCA9532
321 depends on GPIOLIB
322 help
323 Allow unused pins on PCA9532 to be used as gpio.
324
325 To use a pin as gpio pca9532_type in pca9532_platform data needs to
326 set to PCA9532_TYPE_GPIO.
327
328config LEDS_GPIO
329 tristate "LED Support for GPIO connected LEDs"
330 depends on LEDS_CLASS
331 depends on GPIOLIB || COMPILE_TEST
332 help
333 This option enables support for the LEDs connected to GPIO
334 outputs. To be useful the particular board must have LEDs
335 and they must be connected to the GPIO lines. The LEDs must be
336 defined as platform devices and/or OpenFirmware platform devices.
337 The code to use these bindings can be selected below.
338
339config LEDS_LP3944
340 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
341 depends on LEDS_CLASS
342 depends on I2C
343 help
344 This option enables support for LEDs connected to the National
345 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
346 Fun Light Chip.
347
348 To compile this driver as a module, choose M here: the
349 module will be called leds-lp3944.
350
351config LEDS_LP3952
352 tristate "LED Support for TI LP3952 2 channel LED driver"
353 depends on LEDS_CLASS
354 depends on I2C
355 depends on GPIOLIB
356 select REGMAP_I2C
357 help
358 This option enables support for LEDs connected to the Texas
359 Instruments LP3952 LED driver.
360
361 To compile this driver as a module, choose M here: the
362 module will be called leds-lp3952.
363
364config LEDS_LP50XX
365 tristate "LED Support for TI LP5036/30/24/18/12/09 LED driver chip"
366 depends on LEDS_CLASS && REGMAP_I2C
367 depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
368 help
369 If you say yes here you get support for the Texas Instruments
370 LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver.
371
372 To compile this driver as a module, choose M here: the
373 module will be called leds-lp50xx.
374
375config LEDS_LP55XX_COMMON
376 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
377 depends on LEDS_CLASS
378 depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
379 depends on OF
380 depends on I2C
381 select FW_LOADER
382 select FW_LOADER_USER_HELPER
383 help
384 This option supports common operations for LP5521/5523/55231/5562/8501
385 devices.
386
387config LEDS_LP5521
388 tristate "LED Support for N.S. LP5521 LED driver chip"
389 depends on LEDS_CLASS && I2C
390 depends on LEDS_LP55XX_COMMON
391 help
392 If you say yes here you get support for the National Semiconductor
393 LP5521 LED driver. It is 3 channel chip with programmable engines.
394 Driver provides direct control via LED class and interface for
395 programming the engines.
396
397config LEDS_LP5523
398 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
399 depends on LEDS_CLASS && I2C
400 depends on LEDS_LP55XX_COMMON
401 help
402 If you say yes here you get support for TI/National Semiconductor
403 LP5523/55231 LED driver.
404 It is 9 channel chip with programmable engines.
405 Driver provides direct control via LED class and interface for
406 programming the engines.
407
408config LEDS_LP5562
409 tristate "LED Support for TI LP5562 LED driver chip"
410 depends on LEDS_CLASS && I2C
411 depends on LEDS_LP55XX_COMMON
412 help
413 If you say yes here you get support for TI LP5562 LED driver.
414 It is 4 channels chip with programmable engines.
415 Driver provides direct control via LED class and interface for
416 programming the engines.
417
418config LEDS_LP8501
419 tristate "LED Support for TI LP8501 LED driver chip"
420 depends on LEDS_CLASS && I2C
421 depends on LEDS_LP55XX_COMMON
422 help
423 If you say yes here you get support for TI LP8501 LED driver.
424 It is 9 channel chip with programmable engines.
425 Driver provides direct control via LED class and interface for
426 programming the engines.
427 It is similar as LP5523, but output power selection is available.
428 And register layout and engine program schemes are different.
429
430config LEDS_LP8788
431 tristate "LED support for the TI LP8788 PMIC"
432 depends on LEDS_CLASS
433 depends on MFD_LP8788
434 help
435 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
436
437config LEDS_LP8860
438 tristate "LED support for the TI LP8860 4 channel LED driver"
439 depends on LEDS_CLASS && I2C && OF
440 select REGMAP_I2C
441 help
442 If you say yes here you get support for the TI LP8860 4 channel
443 LED driver.
444 This option enables support for the display cluster LEDs
445 on the LP8860 4 channel LED driver using the I2C communication
446 bus.
447
448config LEDS_CLEVO_MAIL
449 tristate "Mail LED on Clevo notebook"
450 depends on LEDS_CLASS && BROKEN
451 depends on X86 && SERIO_I8042 && DMI
452 help
453 This driver makes the mail LED accessible from userspace
454 programs through the LEDs subsystem. This LED has three
455 known modes: off, blink at 0.5Hz and blink at 1Hz.
456
457 The driver supports two kinds of interface: using ledtrig-timer
458 or through /sys/class/leds/clevo::mail/brightness. As this LED
459 cannot change its brightness it blinks instead. The brightness
460 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
461 blink at 1Hz.
462
463 This module can drive the mail LED for the following notebooks:
464
465 Clevo D400P
466 Clevo D410J
467 Clevo D410V
468 Clevo D400V/D470V (not tested, but might work)
469 Clevo M540N
470 Clevo M5x0N (not tested, but might work)
471 Positivo Mobile (Clevo M5x0V)
472
473 If your model is not listed here you can try the "nodetect"
474 module parameter.
475
476 To compile this driver as a module, choose M here: the
477 module will be called leds-clevo-mail.
478
479config LEDS_PCA955X
480 tristate "LED Support for PCA955x I2C chips"
481 depends on LEDS_CLASS
482 depends on I2C
483 help
484 This option enables support for LEDs connected to PCA955x
485 LED driver chips accessed via the I2C bus. Supported
486 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
487
488config LEDS_PCA955X_GPIO
489 bool "Enable GPIO support for PCA955X"
490 depends on LEDS_PCA955X
491 depends on GPIOLIB
492 help
493 Allow unused pins on PCA955X to be used as gpio.
494
495 To use a pin as gpio the pin type should be set to
496 PCA955X_TYPE_GPIO in the device tree.
497
498
499config LEDS_PCA963X
500 tristate "LED support for PCA963x I2C chip"
501 depends on LEDS_CLASS
502 depends on I2C
503 help
504 This option enables support for LEDs connected to the PCA963x
505 LED driver chip accessed via the I2C bus. Supported
506 devices include PCA9633 and PCA9634
507
508config LEDS_WM831X_STATUS
509 tristate "LED support for status LEDs on WM831x PMICs"
510 depends on LEDS_CLASS
511 depends on MFD_WM831X
512 help
513 This option enables support for the status LEDs of the WM831x
514 series of PMICs.
515
516config LEDS_WM8350
517 tristate "LED Support for WM8350 AudioPlus PMIC"
518 depends on LEDS_CLASS
519 depends on MFD_WM8350
520 help
521 This option enables support for LEDs driven by the Wolfson
522 Microelectronics WM8350 AudioPlus PMIC.
523
524config LEDS_DA903X
525 tristate "LED Support for DA9030/DA9034 PMIC"
526 depends on LEDS_CLASS
527 depends on PMIC_DA903X
528 help
529 This option enables support for on-chip LED drivers found
530 on Dialog Semiconductor DA9030/DA9034 PMICs.
531
532config LEDS_DA9052
533 tristate "Dialog DA9052/DA9053 LEDS"
534 depends on LEDS_CLASS
535 depends on PMIC_DA9052
536 help
537 This option enables support for on-chip LED drivers found
538 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
539
540config LEDS_DAC124S085
541 tristate "LED Support for DAC124S085 SPI DAC"
542 depends on LEDS_CLASS
543 depends on SPI
544 help
545 This option enables support for DAC124S085 SPI DAC from NatSemi,
546 which can be used to control up to four LEDs.
547
548config LEDS_PWM
549 tristate "PWM driven LED Support"
550 depends on LEDS_CLASS
551 depends on PWM
552 help
553 This option enables support for pwm driven LEDs
554
555config LEDS_REGULATOR
556 tristate "REGULATOR driven LED support"
557 depends on LEDS_CLASS
558 depends on REGULATOR
559 help
560 This option enables support for regulator driven LEDs.
561
562config LEDS_BD2802
563 tristate "LED driver for BD2802 RGB LED"
564 depends on LEDS_CLASS
565 depends on I2C
566 help
567 This option enables support for BD2802GU RGB LED driver chips
568 accessed via the I2C bus.
569
570config LEDS_INTEL_SS4200
571 tristate "LED driver for Intel NAS SS4200 series"
572 depends on LEDS_CLASS
573 depends on PCI && DMI
574 depends on X86
575 help
576 This option enables support for the Intel SS4200 series of
577 Network Attached Storage servers. You may control the hard
578 drive or power LEDs on the front panel. Using this driver
579 can stop the front LED from blinking after startup.
580
581config LEDS_LT3593
582 tristate "LED driver for LT3593 controllers"
583 depends on LEDS_CLASS
584 depends on GPIOLIB || COMPILE_TEST
585 help
586 This option enables support for LEDs driven by a Linear Technology
587 LT3593 controller. This controller uses a special one-wire pulse
588 coding protocol to set the brightness.
589
590config LEDS_ADP5520
591 tristate "LED Support for ADP5520/ADP5501 PMIC"
592 depends on LEDS_CLASS
593 depends on PMIC_ADP5520
594 help
595 This option enables support for on-chip LED drivers found
596 on Analog Devices ADP5520/ADP5501 PMICs.
597
598 To compile this driver as a module, choose M here: the module will
599 be called leds-adp5520.
600
601config LEDS_MC13783
602 tristate "LED Support for MC13XXX PMIC"
603 depends on LEDS_CLASS
604 depends on MFD_MC13XXX
605 help
606 This option enables support for on-chip LED drivers found
607 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
608
609config LEDS_NS2
610 tristate "LED support for Network Space v2 GPIO LEDs"
611 depends on LEDS_CLASS
612 depends on MACH_KIRKWOOD || MACH_ARMADA_370 || COMPILE_TEST
613 default y
614 help
615 This option enables support for the dual-GPIO LEDs found on the
616 following LaCie/Seagate boards:
617
618 Network Space v2 (and parents: Max, Mini)
619 Internet Space v2
620 d2 Network v2
621 n090401 (Seagate NAS 4-Bay)
622
623config LEDS_NETXBIG
624 tristate "LED support for Big Network series LEDs"
625 depends on LEDS_CLASS
626 depends on MACH_KIRKWOOD || COMPILE_TEST
627 depends on OF_GPIO
628 default y
629 help
630 This option enables support for LEDs found on the LaCie 2Big
631 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
632 controlled through a GPIO extension bus.
633
634config LEDS_ASIC3
635 bool "LED support for the HTC ASIC3"
636 depends on LEDS_CLASS=y
637 depends on MFD_ASIC3
638 default y
639 help
640 This option enables support for the LEDs on the HTC ASIC3. The HTC
641 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
642 cannot be used. This driver supports hardware blinking with an on+off
643 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
644
645config LEDS_TCA6507
646 tristate "LED Support for TCA6507 I2C chip"
647 depends on LEDS_CLASS && I2C
648 help
649 This option enables support for LEDs connected to TC6507
650 LED driver chips accessed via the I2C bus.
651 Driver support brightness control and hardware-assisted blinking.
652
653config LEDS_TLC591XX
654 tristate "LED driver for TLC59108 and TLC59116 controllers"
655 depends on LEDS_CLASS && I2C
656 select REGMAP_I2C
657 help
658 This option enables support for Texas Instruments TLC59108
659 and TLC59116 LED controllers.
660
661config LEDS_MAX77650
662 tristate "LED support for Maxim MAX77650 PMIC"
663 depends on LEDS_CLASS && MFD_MAX77650
664 help
665 LEDs driver for MAX77650 family of PMICs from Maxim Integrated.
666
667config LEDS_MAX8997
668 tristate "LED support for MAX8997 PMIC"
669 depends on LEDS_CLASS && MFD_MAX8997
670 help
671 This option enables support for on-chip LED drivers on
672 MAXIM MAX8997 PMIC.
673
674config LEDS_LM355x
675 tristate "LED support for LM3554 and LM3556 chips"
676 depends on LEDS_CLASS && I2C
677 select REGMAP_I2C
678 help
679 This option enables support for LEDs connected to LM3554
680 and LM3556. It includes Torch, Flash and Indicator functions.
681
682config LEDS_OT200
683 tristate "LED support for the Bachmann OT200"
684 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
685 help
686 This option enables support for the LEDs on the Bachmann OT200.
687 Say Y to enable LEDs on the Bachmann OT200.
688
689config LEDS_MENF21BMC
690 tristate "LED support for the MEN 14F021P00 BMC"
691 depends on LEDS_CLASS && MFD_MENF21BMC
692 help
693 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
694
695 This driver can also be built as a module. If so the module
696 will be called leds-menf21bmc.
697
698config LEDS_IS31FL319X
699 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
700 depends on LEDS_CLASS && I2C
701 select REGMAP_I2C
702 help
703 This option enables support for LEDs connected to ISSI IS31FL319x
704 fancy LED driver chips accessed via the I2C bus.
705 Driver supports individual PWM brightness control for each channel.
706
707 This driver can also be built as a module. If so the module will be
708 called leds-is31fl319x.
709
710config LEDS_IS31FL32XX
711 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
712 depends on LEDS_CLASS && I2C && OF
713 help
714 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
715 LED controllers. They are I2C devices with multiple constant-current
716 channels, each with independent 256-level PWM control.
717
718config LEDS_SC27XX_BLTC
719 tristate "LED support for the SC27xx breathing light controller"
720 depends on LEDS_CLASS && MFD_SC27XX_PMIC
721 depends on OF
722 help
723 Say Y here to include support for the SC27xx breathing light controller
724 LEDs.
725
726 This driver can also be built as a module. If so the module will be
727 called leds-sc27xx-bltc.
728
729comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
730
731config LEDS_BLINKM
732 tristate "LED support for the BlinkM I2C RGB LED"
733 depends on LEDS_CLASS
734 depends on I2C
735 help
736 This option enables support for the BlinkM RGB LED connected
737 through I2C. Say Y to enable support for the BlinkM LED.
738
739config LEDS_POWERNV
740 tristate "LED support for PowerNV Platform"
741 depends on LEDS_CLASS
742 depends on PPC_POWERNV
743 depends on OF
744 help
745 This option enables support for the system LEDs present on
746 PowerNV platforms. Say 'y' to enable this support in kernel.
747 To compile this driver as a module, choose 'm' here: the module
748 will be called leds-powernv.
749
750config LEDS_SYSCON
751 bool "LED support for LEDs on system controllers"
752 depends on LEDS_CLASS=y
753 depends on MFD_SYSCON
754 depends on OF
755 help
756 This option enables support for the LEDs on syscon type
757 devices. This will only work with device tree enabled
758 devices.
759
760config LEDS_PM8058
761 tristate "LED Support for the Qualcomm PM8058 PMIC"
762 depends on MFD_PM8XXX
763 depends on LEDS_CLASS
764 help
765 Choose this option if you want to use the LED drivers in
766 the Qualcomm PM8058 PMIC.
767
768config LEDS_MLXCPLD
769 tristate "LED support for the Mellanox boards"
770 depends on X86 && DMI
771 depends on LEDS_CLASS
772 help
773 This option enables support for the LEDs on the Mellanox
774 boards. Say Y to enable these.
775
776config LEDS_MLXREG
777 tristate "LED support for the Mellanox switches management control"
778 depends on LEDS_CLASS
779 help
780 This option enables support for the LEDs on the Mellanox Ethernet and
781 InfiniBand switches. The driver can be activated by the platform device
782 device add call. Say Y to enable these. To compile this driver as a
783 module, choose 'M' here: the module will be called leds-mlxreg.
784
785config LEDS_USER
786 tristate "Userspace LED support"
787 depends on LEDS_CLASS
788 help
789 This option enables support for userspace LEDs. Say 'y' to enable this
790 support in kernel. To compile this driver as a module, choose 'm' here:
791 the module will be called uleds.
792
793config LEDS_NIC78BX
794 tristate "LED support for NI PXI NIC78bx devices"
795 depends on LEDS_CLASS
796 depends on X86 && ACPI
797 help
798 This option enables support for the User1 and User2 LEDs on NI
799 PXI NIC78bx devices.
800
801 To compile this driver as a module, choose M here: the module
802 will be called leds-nic78bx.
803
804config LEDS_SPI_BYTE
805 tristate "LED support for SPI LED controller with a single byte"
806 depends on LEDS_CLASS
807 depends on SPI
808 depends on OF
809 help
810 This option enables support for LED controller which use a single byte
811 for controlling the brightness. Currently the following controller is
812 supported: Ubiquiti airCube ISP microcontroller based LED controller.
813
814config LEDS_TI_LMU_COMMON
815 tristate "LED driver for TI LMU"
816 depends on LEDS_CLASS
817 depends on REGMAP
818 help
819 Say Y to enable the LED driver for TI LMU devices.
820 This supports common features between the TI LM3532, LM3631, LM3632,
821 LM3633, LM3695 and LM3697.
822
823config LEDS_LM3697
824 tristate "LED driver for LM3697"
825 depends on LEDS_TI_LMU_COMMON
826 depends on I2C && OF
827 help
828 Say Y to enable the LM3697 LED driver for TI LMU devices.
829 This supports the LED device LM3697.
830
831config LEDS_LM36274
832 tristate "LED driver for LM36274"
833 depends on LEDS_TI_LMU_COMMON
834 depends on MFD_TI_LMU
835 help
836 Say Y to enable the LM36274 LED driver for TI LMU devices.
837 This supports the LED device LM36274.
838
839config LEDS_TPS6105X
840 tristate "LED support for TI TPS6105X"
841 depends on LEDS_CLASS
842 depends on TPS6105X
843 default y if TPS6105X
844 help
845 This driver supports TPS61050/TPS61052 LED chips.
846 It is a single boost converter primarily for white LEDs and
847 audio amplifiers.
848
849config LEDS_IP30
850 tristate "LED support for SGI Octane machines"
851 depends on LEDS_CLASS
852 depends on SGI_MFD_IOC3 || COMPILE_TEST
853 help
854 This option enables support for the Red and White LEDs of
855 SGI Octane machines.
856
857 To compile this driver as a module, choose M here: the module
858 will be called leds-ip30.
859
860config LEDS_ACER_A500
861 tristate "Power button LED support for Acer Iconia Tab A500"
862 depends on LEDS_CLASS && MFD_ACER_A500_EC
863 help
864 This option enables support for the Power Button LED of
865 Acer Iconia Tab A500.
866
867source "drivers/leds/blink/Kconfig"
868
869comment "Flash and Torch LED drivers"
870source "drivers/leds/flash/Kconfig"
871
872comment "RGB LED drivers"
873source "drivers/leds/rgb/Kconfig"
874
875comment "LED Triggers"
876source "drivers/leds/trigger/Kconfig"
877
878comment "Simple LED drivers"
879source "drivers/leds/simple/Kconfig"
880
881endif # NEW_LEDS