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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
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
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_AAT1290
63 tristate "LED support for the AAT1290"
64 depends on LEDS_CLASS_FLASH
65 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
66 depends on GPIOLIB || COMPILE_TEST
67 depends on OF
68 depends on PINCTRL
69 help
70 This option enables support for the LEDs on the AAT1290.
71
72config LEDS_AN30259A
73 tristate "LED support for Panasonic AN30259A"
74 depends on LEDS_CLASS && I2C && OF
75 help
76 This option enables support for the AN30259A 3-channel
77 LED driver.
78
79 To compile this driver as a module, choose M here: the module
80 will be called leds-an30259a.
81
82config LEDS_APU
83 tristate "Front panel LED support for PC Engines APU/APU2/APU3 boards"
84 depends on LEDS_CLASS
85 depends on X86 && DMI
86 help
87 This driver makes the PC Engines APU1 front panel LEDs
88 accessible from userspace programs through the LED subsystem.
89
90 If you're looking for APU2/3, use the pcengines-apu2 driver.
91 (symbol CONFIG_PCENGINES_APU2)
92
93 To compile this driver as a module, choose M here: the
94 module will be called leds-apu.
95
96config LEDS_ARIEL
97 tristate "Dell Wyse 3020 status LED support"
98 depends on LEDS_CLASS
99 depends on (MACH_MMP3_DT && MFD_ENE_KB3930) || COMPILE_TEST
100 help
101 This driver adds support for controlling the front panel status
102 LEDs on Dell Wyse 3020 (Ariel) board via the KB3930 Embedded
103 Controller.
104
105 Say Y to if your machine is a Dell Wyse 3020 thin client.
106
107config LEDS_AS3645A
108 tristate "AS3645A and LM3555 LED flash controllers support"
109 depends on I2C && LEDS_CLASS_FLASH
110 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
111 help
112 Enable LED flash class support for AS3645A LED flash
113 controller. V4L2 flash API is provided as well if
114 CONFIG_V4L2_FLASH_API is enabled.
115
116config LEDS_AW2013
117 tristate "LED support for Awinic AW2013"
118 depends on LEDS_CLASS && I2C && OF
119 help
120 This option enables support for the AW2013 3-channel
121 LED driver.
122
123 To compile this driver as a module, choose M here: the module
124 will be called leds-aw2013.
125
126config LEDS_BCM6328
127 tristate "LED Support for Broadcom BCM6328"
128 depends on LEDS_CLASS
129 depends on HAS_IOMEM
130 depends on OF
131 help
132 This option enables support for LEDs connected to the BCM6328
133 LED HW controller accessed via MMIO registers.
134
135config LEDS_BCM6358
136 tristate "LED Support for Broadcom BCM6358"
137 depends on LEDS_CLASS
138 depends on HAS_IOMEM
139 depends on OF
140 help
141 This option enables support for LEDs connected to the BCM6358
142 LED HW controller accessed via MMIO registers.
143
144config LEDS_CPCAP
145 tristate "LED Support for Motorola CPCAP"
146 depends on LEDS_CLASS
147 depends on MFD_CPCAP
148 depends on OF
149 help
150 This option enables support for LEDs offered by Motorola's
151 CPCAP PMIC.
152
153config LEDS_CR0014114
154 tristate "LED Support for Crane CR0014114"
155 depends on LEDS_CLASS
156 depends on SPI
157 depends on OF
158 help
159 This option enables support for CR0014114 LED Board which
160 is widely used in vending machines produced by
161 Crane Merchandising Systems.
162
163 To compile this driver as a module, choose M here: the module
164 will be called leds-cr0014114.
165
166config LEDS_EL15203000
167 tristate "LED Support for Crane EL15203000"
168 depends on LEDS_CLASS
169 depends on SPI
170 depends on OF
171 help
172 This option enables support for EL15203000 LED Board
173 (aka RED LED board) which is widely used in coffee vending
174 machines produced by Crane Merchandising Systems.
175
176 To compile this driver as a module, choose M here: the module
177 will be called leds-el15203000.
178
179config LEDS_TURRIS_OMNIA
180 tristate "LED support for CZ.NIC's Turris Omnia"
181 depends on LEDS_CLASS_MULTICOLOR
182 depends on I2C
183 depends on MACH_ARMADA_38X || COMPILE_TEST
184 depends on OF
185 help
186 This option enables basic support for the LEDs found on the front
187 side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
188 front panel.
189
190config LEDS_LM3530
191 tristate "LCD Backlight driver for LM3530"
192 depends on LEDS_CLASS
193 depends on I2C
194 help
195 This option enables support for the LCD backlight using
196 LM3530 ambient light sensor chip. This ALS chip can be
197 controlled manually or using PWM input or using ambient
198 light automatically.
199
200config LEDS_LM3532
201 tristate "LCD Backlight driver for LM3532"
202 select REGMAP_I2C
203 depends on LEDS_CLASS
204 depends on I2C
205 help
206 This option enables support for the LCD backlight using
207 LM3532 ambient light sensor chip. This ALS chip can be
208 controlled manually or using PWM input or using ambient
209 light automatically.
210
211config LEDS_LM3533
212 tristate "LED support for LM3533"
213 depends on LEDS_CLASS
214 depends on MFD_LM3533
215 help
216 This option enables support for the LEDs on National Semiconductor /
217 TI LM3533 Lighting Power chips.
218
219 The LEDs can be controlled directly, through PWM input, or by the
220 ambient-light-sensor interface. The chip supports
221 hardware-accelerated blinking with maximum on and off periods of 9.8
222 and 77 seconds respectively.
223
224config LEDS_LM3642
225 tristate "LED support for LM3642 Chip"
226 depends on LEDS_CLASS && I2C
227 select REGMAP_I2C
228 help
229 This option enables support for LEDs connected to LM3642.
230 The LM3642 is a 4MHz fixed-frequency synchronous boost
231 converter plus 1.5A constant current driver for a high-current
232 white LED.
233
234config LEDS_LM3692X
235 tristate "LED support for LM3692x Chips"
236 depends on LEDS_CLASS && I2C && OF
237 select REGMAP_I2C
238 help
239 This option enables support for the TI LM3692x family
240 of white LED string drivers used for backlighting.
241
242config LEDS_LM3601X
243 tristate "LED support for LM3601x Chips"
244 depends on LEDS_CLASS && I2C
245 depends on LEDS_CLASS_FLASH
246 select REGMAP_I2C
247 help
248 This option enables support for the TI LM3601x family
249 of flash, torch and indicator classes.
250
251config LEDS_LOCOMO
252 tristate "LED Support for Locomo device"
253 depends on LEDS_CLASS
254 depends on SHARP_LOCOMO
255 help
256 This option enables support for the LEDs on Sharp Locomo.
257 Zaurus models SL-5500 and SL-5600.
258
259config LEDS_MIKROTIK_RB532
260 tristate "LED Support for Mikrotik Routerboard 532"
261 depends on LEDS_CLASS
262 depends on MIKROTIK_RB532
263 help
264 This option enables support for the so called "User LED" of
265 Mikrotik's Routerboard 532.
266
267config LEDS_MT6323
268 tristate "LED Support for Mediatek MT6323 PMIC"
269 depends on LEDS_CLASS
270 depends on MFD_MT6397
271 help
272 This option enables support for on-chip LED drivers found on
273 Mediatek MT6323 PMIC.
274
275config LEDS_S3C24XX
276 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
277 depends on LEDS_CLASS
278 depends on ARCH_S3C24XX || COMPILE_TEST
279 help
280 This option enables support for LEDs connected to GPIO lines
281 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
282
283config LEDS_NET48XX
284 tristate "LED Support for Soekris net48xx series Error LED"
285 depends on LEDS_CLASS
286 depends on SCx200_GPIO
287 help
288 This option enables support for the Soekris net4801 and net4826 error
289 LED.
290
291config LEDS_FSG
292 tristate "LED Support for the Freecom FSG-3"
293 depends on LEDS_CLASS
294 depends on MACH_FSG
295 help
296 This option enables support for the LEDs on the Freecom FSG-3.
297
298config LEDS_WRAP
299 tristate "LED Support for the WRAP series LEDs"
300 depends on LEDS_CLASS
301 depends on SCx200_GPIO
302 help
303 This option enables support for the PCEngines WRAP programmable LEDs.
304
305config LEDS_COBALT_QUBE
306 tristate "LED Support for the Cobalt Qube series front LED"
307 depends on LEDS_CLASS
308 depends on MIPS_COBALT || COMPILE_TEST
309 help
310 This option enables support for the front LED on Cobalt Qube series
311
312config LEDS_COBALT_RAQ
313 bool "LED Support for the Cobalt Raq series"
314 depends on LEDS_CLASS=y && (MIPS_COBALT || COMPILE_TEST)
315 select LEDS_TRIGGERS
316 help
317 This option enables support for the Cobalt Raq series LEDs.
318
319config LEDS_SUNFIRE
320 tristate "LED support for SunFire servers."
321 depends on LEDS_CLASS
322 depends on SPARC64
323 select LEDS_TRIGGERS
324 help
325 This option enables support for the Left, Middle, and Right
326 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
327
328config LEDS_IPAQ_MICRO
329 tristate "LED Support for the Compaq iPAQ h3xxx"
330 depends on LEDS_CLASS
331 depends on MFD_IPAQ_MICRO
332 help
333 Choose this option if you want to use the notification LED on
334 Compaq/HP iPAQ h3100 and h3600.
335
336config LEDS_HP6XX
337 tristate "LED Support for the HP Jornada 6xx"
338 depends on LEDS_CLASS
339 depends on SH_HP6XX
340 help
341 This option enables LED support for the handheld
342 HP Jornada 620/660/680/690.
343
344config LEDS_PCA9532
345 tristate "LED driver for PCA9532 dimmer"
346 depends on LEDS_CLASS
347 depends on I2C && INPUT
348 help
349 This option enables support for NXP pca9532
350 LED controller. It is generally only useful
351 as a platform driver
352
353config LEDS_PCA9532_GPIO
354 bool "Enable GPIO support for PCA9532"
355 depends on LEDS_PCA9532
356 depends on GPIOLIB
357 help
358 Allow unused pins on PCA9532 to be used as gpio.
359
360 To use a pin as gpio pca9532_type in pca9532_platform data needs to
361 set to PCA9532_TYPE_GPIO.
362
363config LEDS_GPIO
364 tristate "LED Support for GPIO connected LEDs"
365 depends on LEDS_CLASS
366 depends on GPIOLIB || COMPILE_TEST
367 help
368 This option enables support for the LEDs connected to GPIO
369 outputs. To be useful the particular board must have LEDs
370 and they must be connected to the GPIO lines. The LEDs must be
371 defined as platform devices and/or OpenFirmware platform devices.
372 The code to use these bindings can be selected below.
373
374config LEDS_LP3944
375 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
376 depends on LEDS_CLASS
377 depends on I2C
378 help
379 This option enables support for LEDs connected to the National
380 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
381 Fun Light Chip.
382
383 To compile this driver as a module, choose M here: the
384 module will be called leds-lp3944.
385
386config LEDS_LP3952
387 tristate "LED Support for TI LP3952 2 channel LED driver"
388 depends on LEDS_CLASS
389 depends on I2C
390 depends on GPIOLIB
391 select REGMAP_I2C
392 help
393 This option enables support for LEDs connected to the Texas
394 Instruments LP3952 LED driver.
395
396 To compile this driver as a module, choose M here: the
397 module will be called leds-lp3952.
398
399config LEDS_LP50XX
400 tristate "LED Support for TI LP5036/30/24/18/12/9 LED driver chip"
401 depends on LEDS_CLASS && REGMAP_I2C
402 depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
403 help
404 If you say yes here you get support for the Texas Instruments
405 LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver.
406
407 To compile this driver as a module, choose M here: the
408 module will be called leds-lp50xx.
409
410config LEDS_LP55XX_COMMON
411 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
412 depends on LEDS_CLASS
413 depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
414 depends on OF
415 depends on I2C
416 select FW_LOADER
417 select FW_LOADER_USER_HELPER
418 help
419 This option supports common operations for LP5521/5523/55231/5562/8501
420 devices.
421
422config LEDS_LP5521
423 tristate "LED Support for N.S. LP5521 LED driver chip"
424 depends on LEDS_CLASS && I2C
425 depends on LEDS_LP55XX_COMMON
426 help
427 If you say yes here you get support for the National Semiconductor
428 LP5521 LED driver. It is 3 channel chip with programmable engines.
429 Driver provides direct control via LED class and interface for
430 programming the engines.
431
432config LEDS_LP5523
433 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
434 depends on LEDS_CLASS && I2C
435 depends on LEDS_LP55XX_COMMON
436 help
437 If you say yes here you get support for TI/National Semiconductor
438 LP5523/55231 LED driver.
439 It is 9 channel chip with programmable engines.
440 Driver provides direct control via LED class and interface for
441 programming the engines.
442
443config LEDS_LP5562
444 tristate "LED Support for TI LP5562 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 TI LP5562 LED driver.
449 It is 4 channels chip with programmable engines.
450 Driver provides direct control via LED class and interface for
451 programming the engines.
452
453config LEDS_LP8501
454 tristate "LED Support for TI LP8501 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 LP8501 LED driver.
459 It is 9 channel chip with programmable engines.
460 Driver provides direct control via LED class and interface for
461 programming the engines.
462 It is similar as LP5523, but output power selection is available.
463 And register layout and engine program schemes are different.
464
465config LEDS_LP8788
466 tristate "LED support for the TI LP8788 PMIC"
467 depends on LEDS_CLASS
468 depends on MFD_LP8788
469 help
470 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
471
472config LEDS_LP8860
473 tristate "LED support for the TI LP8860 4 channel LED driver"
474 depends on LEDS_CLASS && I2C && OF
475 select REGMAP_I2C
476 help
477 If you say yes here you get support for the TI LP8860 4 channel
478 LED driver.
479 This option enables support for the display cluster LEDs
480 on the LP8860 4 channel LED driver using the I2C communication
481 bus.
482
483config LEDS_CLEVO_MAIL
484 tristate "Mail LED on Clevo notebook"
485 depends on LEDS_CLASS
486 depends on X86 && SERIO_I8042 && DMI
487 help
488 This driver makes the mail LED accessible from userspace
489 programs through the leds subsystem. This LED have three
490 known mode: off, blink at 0.5Hz and blink at 1Hz.
491
492 The driver supports two kinds of interface: using ledtrig-timer
493 or through /sys/class/leds/clevo::mail/brightness. As this LED
494 cannot change it's brightness it blinks instead. The brightness
495 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
496 blink at 1Hz.
497
498 This module can drive the mail LED for the following notebooks:
499
500 Clevo D400P
501 Clevo D410J
502 Clevo D410V
503 Clevo D400V/D470V (not tested, but might work)
504 Clevo M540N
505 Clevo M5x0N (not tested, but might work)
506 Positivo Mobile (Clevo M5x0V)
507
508 If your model is not listed here you can try the "nodetect"
509 module parameter.
510
511 To compile this driver as a module, choose M here: the
512 module will be called leds-clevo-mail.
513
514config LEDS_PCA955X
515 tristate "LED Support for PCA955x I2C chips"
516 depends on LEDS_CLASS
517 depends on I2C
518 help
519 This option enables support for LEDs connected to PCA955x
520 LED driver chips accessed via the I2C bus. Supported
521 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
522
523config LEDS_PCA955X_GPIO
524 bool "Enable GPIO support for PCA955X"
525 depends on LEDS_PCA955X
526 depends on GPIOLIB
527 help
528 Allow unused pins on PCA955X to be used as gpio.
529
530 To use a pin as gpio the pin type should be set to
531 PCA955X_TYPE_GPIO in the device tree.
532
533
534config LEDS_PCA963X
535 tristate "LED support for PCA963x I2C chip"
536 depends on LEDS_CLASS
537 depends on I2C
538 help
539 This option enables support for LEDs connected to the PCA963x
540 LED driver chip accessed via the I2C bus. Supported
541 devices include PCA9633 and PCA9634
542
543config LEDS_WM831X_STATUS
544 tristate "LED support for status LEDs on WM831x PMICs"
545 depends on LEDS_CLASS
546 depends on MFD_WM831X
547 help
548 This option enables support for the status LEDs of the WM831x
549 series of PMICs.
550
551config LEDS_WM8350
552 tristate "LED Support for WM8350 AudioPlus PMIC"
553 depends on LEDS_CLASS
554 depends on MFD_WM8350
555 help
556 This option enables support for LEDs driven by the Wolfson
557 Microelectronics WM8350 AudioPlus PMIC.
558
559config LEDS_DA903X
560 tristate "LED Support for DA9030/DA9034 PMIC"
561 depends on LEDS_CLASS
562 depends on PMIC_DA903X
563 help
564 This option enables support for on-chip LED drivers found
565 on Dialog Semiconductor DA9030/DA9034 PMICs.
566
567config LEDS_DA9052
568 tristate "Dialog DA9052/DA9053 LEDS"
569 depends on LEDS_CLASS
570 depends on PMIC_DA9052
571 help
572 This option enables support for on-chip LED drivers found
573 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
574
575config LEDS_DAC124S085
576 tristate "LED Support for DAC124S085 SPI DAC"
577 depends on LEDS_CLASS
578 depends on SPI
579 help
580 This option enables support for DAC124S085 SPI DAC from NatSemi,
581 which can be used to control up to four LEDs.
582
583config LEDS_PWM
584 tristate "PWM driven LED Support"
585 depends on LEDS_CLASS
586 depends on PWM
587 help
588 This option enables support for pwm driven LEDs
589
590config LEDS_REGULATOR
591 tristate "REGULATOR driven LED support"
592 depends on LEDS_CLASS
593 depends on REGULATOR
594 help
595 This option enables support for regulator driven LEDs.
596
597config LEDS_BD2802
598 tristate "LED driver for BD2802 RGB LED"
599 depends on LEDS_CLASS
600 depends on I2C
601 help
602 This option enables support for BD2802GU RGB LED driver chips
603 accessed via the I2C bus.
604
605config LEDS_INTEL_SS4200
606 tristate "LED driver for Intel NAS SS4200 series"
607 depends on LEDS_CLASS
608 depends on PCI && DMI
609 depends on X86
610 help
611 This option enables support for the Intel SS4200 series of
612 Network Attached Storage servers. You may control the hard
613 drive or power LEDs on the front panel. Using this driver
614 can stop the front LED from blinking after startup.
615
616config LEDS_LT3593
617 tristate "LED driver for LT3593 controllers"
618 depends on LEDS_CLASS
619 depends on GPIOLIB || COMPILE_TEST
620 help
621 This option enables support for LEDs driven by a Linear Technology
622 LT3593 controller. This controller uses a special one-wire pulse
623 coding protocol to set the brightness.
624
625config LEDS_ADP5520
626 tristate "LED Support for ADP5520/ADP5501 PMIC"
627 depends on LEDS_CLASS
628 depends on PMIC_ADP5520
629 help
630 This option enables support for on-chip LED drivers found
631 on Analog Devices ADP5520/ADP5501 PMICs.
632
633 To compile this driver as a module, choose M here: the module will
634 be called leds-adp5520.
635
636config LEDS_MC13783
637 tristate "LED Support for MC13XXX PMIC"
638 depends on LEDS_CLASS
639 depends on MFD_MC13XXX
640 help
641 This option enables support for on-chip LED drivers found
642 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
643
644config LEDS_NS2
645 tristate "LED support for Network Space v2 GPIO LEDs"
646 depends on LEDS_CLASS
647 depends on MACH_KIRKWOOD || MACH_ARMADA_370 || COMPILE_TEST
648 default y
649 help
650 This option enables support for the dual-GPIO LEDs found on the
651 following LaCie/Seagate boards:
652
653 Network Space v2 (and parents: Max, Mini)
654 Internet Space v2
655 d2 Network v2
656 n090401 (Seagate NAS 4-Bay)
657
658config LEDS_NETXBIG
659 tristate "LED support for Big Network series LEDs"
660 depends on LEDS_CLASS
661 depends on MACH_KIRKWOOD || COMPILE_TEST
662 depends on OF_GPIO
663 default y
664 help
665 This option enables support for LEDs found on the LaCie 2Big
666 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
667 controlled through a GPIO extension bus.
668
669config LEDS_ASIC3
670 bool "LED support for the HTC ASIC3"
671 depends on LEDS_CLASS=y
672 depends on MFD_ASIC3
673 default y
674 help
675 This option enables support for the LEDs on the HTC ASIC3. The HTC
676 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
677 cannot be used. This driver supports hardware blinking with an on+off
678 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
679
680config LEDS_TCA6507
681 tristate "LED Support for TCA6507 I2C chip"
682 depends on LEDS_CLASS && I2C
683 help
684 This option enables support for LEDs connected to TC6507
685 LED driver chips accessed via the I2C bus.
686 Driver support brightness control and hardware-assisted blinking.
687
688config LEDS_TLC591XX
689 tristate "LED driver for TLC59108 and TLC59116 controllers"
690 depends on LEDS_CLASS && I2C
691 select REGMAP_I2C
692 help
693 This option enables support for Texas Instruments TLC59108
694 and TLC59116 LED controllers.
695
696config LEDS_MAX77650
697 tristate "LED support for Maxim MAX77650 PMIC"
698 depends on LEDS_CLASS && MFD_MAX77650
699 help
700 LEDs driver for MAX77650 family of PMICs from Maxim Integrated.
701
702config LEDS_MAX77693
703 tristate "LED support for MAX77693 Flash"
704 depends on LEDS_CLASS_FLASH
705 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
706 depends on MFD_MAX77693
707 depends on OF
708 help
709 This option enables support for the flash part of the MAX77693
710 multifunction device. It has build in control for two leds in flash
711 and torch mode.
712
713config LEDS_MAX8997
714 tristate "LED support for MAX8997 PMIC"
715 depends on LEDS_CLASS && MFD_MAX8997
716 help
717 This option enables support for on-chip LED drivers on
718 MAXIM MAX8997 PMIC.
719
720config LEDS_LM355x
721 tristate "LED support for LM3554 and LM3556 chips"
722 depends on LEDS_CLASS && I2C
723 select REGMAP_I2C
724 help
725 This option enables support for LEDs connected to LM3554
726 and LM3556. It includes Torch, Flash and Indicator functions.
727
728config LEDS_OT200
729 tristate "LED support for the Bachmann OT200"
730 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
731 help
732 This option enables support for the LEDs on the Bachmann OT200.
733 Say Y to enable LEDs on the Bachmann OT200.
734
735config LEDS_MENF21BMC
736 tristate "LED support for the MEN 14F021P00 BMC"
737 depends on LEDS_CLASS && MFD_MENF21BMC
738 help
739 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
740
741 This driver can also be built as a module. If so the module
742 will be called leds-menf21bmc.
743
744config LEDS_KTD2692
745 tristate "LED support for KTD2692 flash LED controller"
746 depends on LEDS_CLASS_FLASH && OF
747 depends on GPIOLIB || COMPILE_TEST
748 help
749 This option enables support for KTD2692 LED flash connected
750 through ExpressWire interface.
751
752 Say Y to enable this driver.
753
754config LEDS_IS31FL319X
755 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
756 depends on LEDS_CLASS && I2C && OF
757 select REGMAP_I2C
758 help
759 This option enables support for LEDs connected to ISSI IS31FL319x
760 fancy LED driver chips accessed via the I2C bus.
761 Driver supports individual PWM brightness control for each channel.
762
763 This driver can also be built as a module. If so the module will be
764 called leds-is31fl319x.
765
766config LEDS_IS31FL32XX
767 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
768 depends on LEDS_CLASS && I2C && OF
769 help
770 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
771 LED controllers. They are I2C devices with multiple constant-current
772 channels, each with independent 256-level PWM control.
773
774config LEDS_SC27XX_BLTC
775 tristate "LED support for the SC27xx breathing light controller"
776 depends on LEDS_CLASS && MFD_SC27XX_PMIC
777 depends on OF
778 help
779 Say Y here to include support for the SC27xx breathing light controller
780 LEDs.
781
782 This driver can also be built as a module. If so the module will be
783 called leds-sc27xx-bltc.
784
785comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
786
787config LEDS_BLINKM
788 tristate "LED support for the BlinkM I2C RGB LED"
789 depends on LEDS_CLASS
790 depends on I2C
791 help
792 This option enables support for the BlinkM RGB LED connected
793 through I2C. Say Y to enable support for the BlinkM LED.
794
795config LEDS_POWERNV
796 tristate "LED support for PowerNV Platform"
797 depends on LEDS_CLASS
798 depends on PPC_POWERNV
799 depends on OF
800 help
801 This option enables support for the system LEDs present on
802 PowerNV platforms. Say 'y' to enable this support in kernel.
803 To compile this driver as a module, choose 'm' here: the module
804 will be called leds-powernv.
805
806config LEDS_SYSCON
807 bool "LED support for LEDs on system controllers"
808 depends on LEDS_CLASS=y
809 depends on MFD_SYSCON
810 depends on OF
811 help
812 This option enables support for the LEDs on syscon type
813 devices. This will only work with device tree enabled
814 devices.
815
816config LEDS_PM8058
817 tristate "LED Support for the Qualcomm PM8058 PMIC"
818 depends on MFD_PM8XXX
819 depends on LEDS_CLASS
820 help
821 Choose this option if you want to use the LED drivers in
822 the Qualcomm PM8058 PMIC.
823
824config LEDS_MLXCPLD
825 tristate "LED support for the Mellanox boards"
826 depends on X86 && DMI
827 depends on LEDS_CLASS
828 help
829 This option enables support for the LEDs on the Mellanox
830 boards. Say Y to enable these.
831
832config LEDS_MLXREG
833 tristate "LED support for the Mellanox switches management control"
834 depends on LEDS_CLASS
835 help
836 This option enables support for the LEDs on the Mellanox Ethernet and
837 InfiniBand switches. The driver can be activated by the platform device
838 device add call. Say Y to enable these. To compile this driver as a
839 module, choose 'M' here: the module will be called leds-mlxreg.
840
841config LEDS_USER
842 tristate "Userspace LED support"
843 depends on LEDS_CLASS
844 help
845 This option enables support for userspace LEDs. Say 'y' to enable this
846 support in kernel. To compile this driver as a module, choose 'm' here:
847 the module will be called uleds.
848
849config LEDS_NIC78BX
850 tristate "LED support for NI PXI NIC78bx devices"
851 depends on LEDS_CLASS
852 depends on X86 && ACPI
853 help
854 This option enables support for the User1 and User2 LEDs on NI
855 PXI NIC78bx devices.
856
857 To compile this driver as a module, choose M here: the module
858 will be called leds-nic78bx.
859
860config LEDS_SPI_BYTE
861 tristate "LED support for SPI LED controller with a single byte"
862 depends on LEDS_CLASS
863 depends on SPI
864 depends on OF
865 help
866 This option enables support for LED controller which use a single byte
867 for controlling the brightness. Currently the following controller is
868 supported: Ubiquiti airCube ISP microcontroller based LED controller.
869
870config LEDS_TI_LMU_COMMON
871 tristate "LED driver for TI LMU"
872 depends on LEDS_CLASS
873 depends on REGMAP
874 help
875 Say Y to enable the LED driver for TI LMU devices.
876 This supports common features between the TI LM3532, LM3631, LM3632,
877 LM3633, LM3695 and LM3697.
878
879config LEDS_LM3697
880 tristate "LED driver for LM3697"
881 depends on LEDS_TI_LMU_COMMON
882 depends on I2C && OF
883 help
884 Say Y to enable the LM3697 LED driver for TI LMU devices.
885 This supports the LED device LM3697.
886
887config LEDS_LM36274
888 tristate "LED driver for LM36274"
889 depends on LEDS_TI_LMU_COMMON
890 depends on MFD_TI_LMU
891 help
892 Say Y to enable the LM36274 LED driver for TI LMU devices.
893 This supports the LED device LM36274.
894
895config LEDS_TPS6105X
896 tristate "LED support for TI TPS6105X"
897 depends on LEDS_CLASS
898 depends on TPS6105X
899 default y if TPS6105X
900 help
901 This driver supports TPS61050/TPS61052 LED chips.
902 It is a single boost converter primarily for white LEDs and
903 audio amplifiers.
904
905config LEDS_IP30
906 tristate "LED support for SGI Octane machines"
907 depends on LEDS_CLASS
908 depends on SGI_MFD_IOC3 || COMPILE_TEST
909 help
910 This option enables support for the Red and White LEDs of
911 SGI Octane machines.
912
913 To compile this driver as a module, choose M here: the module
914 will be called leds-ip30.
915
916config LEDS_SGM3140
917 tristate "LED support for the SGM3140"
918 depends on LEDS_CLASS_FLASH
919 depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
920 help
921 This option enables support for the SGM3140 500mA Buck/Boost Charge
922 Pump LED Driver.
923
924config LEDS_ACER_A500
925 tristate "Power button LED support for Acer Iconia Tab A500"
926 depends on LEDS_CLASS && MFD_ACER_A500_EC
927 help
928 This option enables support for the Power Button LED of
929 Acer Iconia Tab A500.
930
931source "drivers/leds/blink/Kconfig"
932
933comment "Flash and Torch LED drivers"
934source "drivers/leds/flash/Kconfig"
935
936comment "LED Triggers"
937source "drivers/leds/trigger/Kconfig"
938
939endif # NEW_LEDS