Loading...
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
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_EL15203000
183 tristate "LED Support for Crane EL15203000"
184 depends on LEDS_CLASS
185 depends on SPI
186 depends on OF
187 help
188 This option enables support for EL15203000 LED Board
189 (aka RED LED board) which is widely used in coffee vending
190 machines produced by Crane Merchandising Systems.
191
192 To compile this driver as a module, choose M here: the module
193 will be called leds-el15203000.
194
195config LEDS_EXPRESSWIRE
196 bool
197 depends on GPIOLIB
198
199config LEDS_TURRIS_OMNIA
200 tristate "LED support for CZ.NIC's Turris Omnia"
201 depends on LEDS_CLASS_MULTICOLOR
202 depends on I2C
203 depends on MACH_ARMADA_38X || COMPILE_TEST
204 depends on OF
205 select LEDS_TRIGGERS
206 help
207 This option enables basic support for the LEDs found on the front
208 side of CZ.NIC's Turris Omnia router. There are 12 RGB LEDs on the
209 front panel.
210
211config LEDS_LM3530
212 tristate "LCD Backlight driver for LM3530"
213 depends on LEDS_CLASS
214 depends on I2C
215 help
216 This option enables support for the LCD backlight using
217 LM3530 ambient light sensor chip. This ALS chip can be
218 controlled manually or using PWM input or using ambient
219 light automatically.
220
221config LEDS_LM3532
222 tristate "LCD Backlight driver for LM3532"
223 select REGMAP_I2C
224 depends on LEDS_CLASS
225 depends on I2C
226 help
227 This option enables support for the LCD backlight using
228 LM3532 ambient light sensor chip. This ALS chip can be
229 controlled manually or using PWM input or using ambient
230 light automatically.
231
232config LEDS_LM3533
233 tristate "LED support for LM3533"
234 depends on LEDS_CLASS
235 depends on MFD_LM3533
236 help
237 This option enables support for the LEDs on National Semiconductor /
238 TI LM3533 Lighting Power chips.
239
240 The LEDs can be controlled directly, through PWM input, or by the
241 ambient-light-sensor interface. The chip supports
242 hardware-accelerated blinking with maximum on and off periods of 9.8
243 and 77 seconds respectively.
244
245config LEDS_LM3642
246 tristate "LED support for LM3642 Chip"
247 depends on LEDS_CLASS && I2C
248 select REGMAP_I2C
249 help
250 This option enables support for LEDs connected to LM3642.
251 The LM3642 is a 4MHz fixed-frequency synchronous boost
252 converter plus 1.5A constant current driver for a high-current
253 white LED.
254
255config LEDS_LM3692X
256 tristate "LED support for LM3692x Chips"
257 depends on LEDS_CLASS && I2C && OF
258 select REGMAP_I2C
259 help
260 This option enables support for the TI LM3692x family
261 of white LED string drivers used for backlighting.
262
263config LEDS_LOCOMO
264 tristate "LED Support for Locomo device"
265 depends on LEDS_CLASS
266 depends on SHARP_LOCOMO
267 help
268 This option enables support for the LEDs on Sharp Locomo.
269 Zaurus models SL-5500 and SL-5600.
270
271config LEDS_MIKROTIK_RB532
272 tristate "LED Support for Mikrotik Routerboard 532"
273 depends on LEDS_CLASS
274 depends on MIKROTIK_RB532
275 help
276 This option enables support for the so called "User LED" of
277 Mikrotik's Routerboard 532.
278
279config LEDS_MT6323
280 tristate "LED Support for Mediatek MT6323 PMIC"
281 depends on LEDS_CLASS
282 depends on MFD_MT6397
283 help
284 This option enables support for on-chip LED drivers found on
285 Mediatek MT6323 PMIC.
286
287config LEDS_NET48XX
288 tristate "LED Support for Soekris net48xx series Error LED"
289 depends on LEDS_CLASS
290 depends on SCx200_GPIO
291 help
292 This option enables support for the Soekris net4801 and net4826 error
293 LED.
294
295config LEDS_WRAP
296 tristate "LED Support for the WRAP series LEDs"
297 depends on LEDS_CLASS
298 depends on SCx200_GPIO
299 help
300 This option enables support for the PCEngines WRAP programmable LEDs.
301
302config LEDS_COBALT_QUBE
303 tristate "LED Support for the Cobalt Qube series front LED"
304 depends on LEDS_CLASS
305 depends on MIPS_COBALT || COMPILE_TEST
306 help
307 This option enables support for the front LED on Cobalt Qube series
308
309config LEDS_COBALT_RAQ
310 bool "LED Support for the Cobalt Raq series"
311 depends on LEDS_CLASS=y && (MIPS_COBALT || COMPILE_TEST)
312 select LEDS_TRIGGERS
313 help
314 This option enables support for the Cobalt Raq series LEDs.
315
316config LEDS_SUN50I_A100
317 tristate "LED support for Allwinner A100 RGB LED controller"
318 depends on LEDS_CLASS_MULTICOLOR
319 depends on ARCH_SUNXI || COMPILE_TEST
320 help
321 This option enables support for the RGB LED controller found
322 in some Allwinner sunxi SoCs, including A100, R329, and D1.
323 It uses a one-wire interface to control up to 1024 LEDs.
324
325config LEDS_SUNFIRE
326 tristate "LED support for SunFire servers."
327 depends on LEDS_CLASS
328 depends on SPARC64
329 select LEDS_TRIGGERS
330 help
331 This option enables support for the Left, Middle, and Right
332 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
333
334config LEDS_IPAQ_MICRO
335 tristate "LED Support for the Compaq iPAQ h3xxx"
336 depends on LEDS_CLASS
337 depends on MFD_IPAQ_MICRO
338 help
339 Choose this option if you want to use the notification LED on
340 Compaq/HP iPAQ h3100 and h3600.
341
342config LEDS_HP6XX
343 tristate "LED Support for the HP Jornada 6xx"
344 depends on LEDS_CLASS
345 depends on SH_HP6XX
346 help
347 This option enables LED support for the handheld
348 HP Jornada 620/660/680/690.
349
350config LEDS_PCA9532
351 tristate "LED driver for PCA9532 dimmer"
352 depends on LEDS_CLASS
353 depends on I2C && INPUT
354 help
355 This option enables support for NXP pca9532
356 LED controller. It is generally only useful
357 as a platform driver
358
359config LEDS_PCA9532_GPIO
360 bool "Enable GPIO support for PCA9532"
361 depends on LEDS_PCA9532
362 depends on GPIOLIB
363 help
364 Allow unused pins on PCA9532 to be used as gpio.
365
366 To use a pin as gpio pca9532_type in pca9532_platform data needs to
367 set to PCA9532_TYPE_GPIO.
368
369config LEDS_GPIO
370 tristate "LED Support for GPIO connected LEDs"
371 depends on LEDS_CLASS
372 depends on GPIOLIB || COMPILE_TEST
373 help
374 This option enables support for the LEDs connected to GPIO
375 outputs. To be useful the particular board must have LEDs
376 and they must be connected to the GPIO lines. The LEDs must be
377 defined as platform devices and/or OpenFirmware platform devices.
378 The code to use these bindings can be selected below.
379
380config LEDS_LP3944
381 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
382 depends on LEDS_CLASS
383 depends on I2C
384 help
385 This option enables support for LEDs connected to the National
386 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
387 Fun Light Chip.
388
389 To compile this driver as a module, choose M here: the
390 module will be called leds-lp3944.
391
392config LEDS_LP3952
393 tristate "LED Support for TI LP3952 2 channel LED driver"
394 depends on LEDS_CLASS
395 depends on I2C
396 depends on GPIOLIB
397 select REGMAP_I2C
398 help
399 This option enables support for LEDs connected to the Texas
400 Instruments LP3952 LED driver.
401
402 To compile this driver as a module, choose M here: the
403 module will be called leds-lp3952.
404
405config LEDS_LP50XX
406 tristate "LED Support for TI LP5036/30/24/18/12/09 LED driver chip"
407 depends on LEDS_CLASS && REGMAP_I2C
408 depends on LEDS_CLASS_MULTICOLOR
409 help
410 If you say yes here you get support for the Texas Instruments
411 LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver.
412
413 To compile this driver as a module, choose M here: the
414 module will be called leds-lp50xx.
415
416config LEDS_LP55XX_COMMON
417 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
418 depends on LEDS_CLASS
419 depends on LEDS_CLASS_MULTICOLOR
420 depends on OF
421 depends on I2C
422 select FW_LOADER
423 select FW_LOADER_USER_HELPER
424 help
425 This option supports common operations for LP5521/5523/55231/5562/8501
426 devices.
427
428config LEDS_LP5521
429 tristate "LED Support for N.S. LP5521 LED driver chip"
430 depends on LEDS_CLASS && I2C
431 depends on LEDS_LP55XX_COMMON
432 help
433 If you say yes here you get support for the National Semiconductor
434 LP5521 LED driver. It is 3 channel chip with programmable engines.
435 Driver provides direct control via LED class and interface for
436 programming the engines.
437
438config LEDS_LP5523
439 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
440 depends on LEDS_CLASS && I2C
441 depends on LEDS_LP55XX_COMMON
442 help
443 If you say yes here you get support for TI/National Semiconductor
444 LP5523/55231 LED driver.
445 It is 9 channel chip with programmable engines.
446 Driver provides direct control via LED class and interface for
447 programming the engines.
448
449config LEDS_LP5562
450 tristate "LED Support for TI LP5562 LED driver chip"
451 depends on LEDS_CLASS && I2C
452 depends on LEDS_LP55XX_COMMON
453 help
454 If you say yes here you get support for TI LP5562 LED driver.
455 It is 4 channels chip with programmable engines.
456 Driver provides direct control via LED class and interface for
457 programming the engines.
458
459config LEDS_LP8501
460 tristate "LED Support for TI LP8501 LED driver chip"
461 depends on LEDS_CLASS && I2C
462 depends on LEDS_LP55XX_COMMON
463 help
464 If you say yes here you get support for TI LP8501 LED driver.
465 It is 9 channel chip with programmable engines.
466 Driver provides direct control via LED class and interface for
467 programming the engines.
468 It is similar as LP5523, but output power selection is available.
469 And register layout and engine program schemes are different.
470
471config LEDS_LP8788
472 tristate "LED support for the TI LP8788 PMIC"
473 depends on LEDS_CLASS
474 depends on MFD_LP8788
475 help
476 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
477
478config LEDS_LP8860
479 tristate "LED support for the TI LP8860 4 channel LED driver"
480 depends on LEDS_CLASS && I2C && OF
481 select REGMAP_I2C
482 help
483 If you say yes here you get support for the TI LP8860 4 channel
484 LED driver.
485 This option enables support for the display cluster LEDs
486 on the LP8860 4 channel LED driver using the I2C communication
487 bus.
488
489config LEDS_CLEVO_MAIL
490 tristate "Mail LED on Clevo notebook"
491 depends on LEDS_CLASS && BROKEN
492 depends on X86 && SERIO_I8042 && DMI
493 help
494 This driver makes the mail LED accessible from userspace
495 programs through the LEDs subsystem. This LED has three
496 known modes: off, blink at 0.5Hz and blink at 1Hz.
497
498 The driver supports two kinds of interface: using ledtrig-timer
499 or through /sys/class/leds/clevo::mail/brightness. As this LED
500 cannot change its brightness it blinks instead. The brightness
501 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
502 blink at 1Hz.
503
504 This module can drive the mail LED for the following notebooks:
505
506 Clevo D400P
507 Clevo D410J
508 Clevo D410V
509 Clevo D400V/D470V (not tested, but might work)
510 Clevo M540N
511 Clevo M5x0N (not tested, but might work)
512 Positivo Mobile (Clevo M5x0V)
513
514 If your model is not listed here you can try the "nodetect"
515 module parameter.
516
517 To compile this driver as a module, choose M here: the
518 module will be called leds-clevo-mail.
519
520config LEDS_PCA955X
521 tristate "LED Support for PCA955x I2C chips"
522 depends on LEDS_CLASS
523 depends on I2C
524 help
525 This option enables support for LEDs connected to PCA955x
526 LED driver chips accessed via the I2C bus. Supported
527 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
528
529config LEDS_PCA955X_GPIO
530 bool "Enable GPIO support for PCA955X"
531 depends on LEDS_PCA955X
532 depends on GPIOLIB
533 help
534 Allow unused pins on PCA955X to be used as gpio.
535
536 To use a pin as gpio the pin type should be set to
537 PCA955X_TYPE_GPIO in the device tree.
538
539
540config LEDS_PCA963X
541 tristate "LED support for PCA963x I2C chip"
542 depends on LEDS_CLASS
543 depends on I2C
544 help
545 This option enables support for LEDs connected to the PCA963x
546 LED driver chip accessed via the I2C bus. Supported
547 devices include PCA9633 and PCA9634
548
549config LEDS_PCA995X
550 tristate "LED Support for PCA995x I2C chips"
551 depends on LEDS_CLASS
552 depends on I2C
553 help
554 This option enables support for LEDs connected to PCA995x
555 LED driver chips accessed via the I2C bus. Supported
556 devices include PCA9955BTW, PCA9952TW and PCA9955TW.
557
558config LEDS_WM831X_STATUS
559 tristate "LED support for status LEDs on WM831x PMICs"
560 depends on LEDS_CLASS
561 depends on MFD_WM831X
562 help
563 This option enables support for the status LEDs of the WM831x
564 series of PMICs.
565
566config LEDS_WM8350
567 tristate "LED Support for WM8350 AudioPlus PMIC"
568 depends on LEDS_CLASS
569 depends on MFD_WM8350
570 help
571 This option enables support for LEDs driven by the Wolfson
572 Microelectronics WM8350 AudioPlus PMIC.
573
574config LEDS_DA903X
575 tristate "LED Support for DA9030/DA9034 PMIC"
576 depends on LEDS_CLASS
577 depends on PMIC_DA903X
578 help
579 This option enables support for on-chip LED drivers found
580 on Dialog Semiconductor DA9030/DA9034 PMICs.
581
582config LEDS_DA9052
583 tristate "Dialog DA9052/DA9053 LEDS"
584 depends on LEDS_CLASS
585 depends on PMIC_DA9052
586 help
587 This option enables support for on-chip LED drivers found
588 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
589
590config LEDS_DAC124S085
591 tristate "LED Support for DAC124S085 SPI DAC"
592 depends on LEDS_CLASS
593 depends on SPI
594 help
595 This option enables support for DAC124S085 SPI DAC from NatSemi,
596 which can be used to control up to four LEDs.
597
598config LEDS_PWM
599 tristate "PWM driven LED Support"
600 depends on LEDS_CLASS
601 depends on PWM
602 help
603 This option enables support for pwm driven LEDs
604
605config LEDS_REGULATOR
606 tristate "REGULATOR driven LED support"
607 depends on LEDS_CLASS
608 depends on REGULATOR
609 help
610 This option enables support for regulator driven LEDs.
611
612config LEDS_BD2606MVV
613 tristate "LED driver for BD2606MVV"
614 depends on LEDS_CLASS
615 depends on I2C
616 select REGMAP_I2C
617 help
618 This option enables support for BD2606MVV LED driver chips
619 accessed via the I2C bus. It supports setting brightness, with
620 the limitiation that there are groups of two channels sharing
621 a brightness setting, but not the on/off setting.
622
623 To compile this driver as a module, choose M here: the module will
624 be called leds-bd2606mvv.
625
626config LEDS_BD2802
627 tristate "LED driver for BD2802 RGB LED"
628 depends on LEDS_CLASS
629 depends on I2C
630 help
631 This option enables support for BD2802GU RGB LED driver chips
632 accessed via the I2C bus.
633
634config LEDS_INTEL_SS4200
635 tristate "LED driver for Intel NAS SS4200 series"
636 depends on LEDS_CLASS
637 depends on PCI && DMI
638 depends on X86
639 help
640 This option enables support for the Intel SS4200 series of
641 Network Attached Storage servers. You may control the hard
642 drive or power LEDs on the front panel. Using this driver
643 can stop the front LED from blinking after startup.
644
645config LEDS_LT3593
646 tristate "LED driver for LT3593 controllers"
647 depends on LEDS_CLASS
648 depends on GPIOLIB || COMPILE_TEST
649 help
650 This option enables support for LEDs driven by a Linear Technology
651 LT3593 controller. This controller uses a special one-wire pulse
652 coding protocol to set the brightness.
653
654config LEDS_ADP5520
655 tristate "LED Support for ADP5520/ADP5501 PMIC"
656 depends on LEDS_CLASS
657 depends on PMIC_ADP5520
658 help
659 This option enables support for on-chip LED drivers found
660 on Analog Devices ADP5520/ADP5501 PMICs.
661
662 To compile this driver as a module, choose M here: the module will
663 be called leds-adp5520.
664
665config LEDS_MAX5970
666 tristate "LED Support for Maxim 5970"
667 depends on LEDS_CLASS
668 depends on MFD_MAX5970
669 help
670 This option enables support for the Maxim MAX5970 & MAX5978 smart
671 switch indication LEDs via the I2C bus.
672
673 To compile this driver as a module, choose M here: the module will
674 be called leds-max5970.
675
676config LEDS_MC13783
677 tristate "LED Support for MC13XXX PMIC"
678 depends on LEDS_CLASS
679 depends on MFD_MC13XXX
680 help
681 This option enables support for on-chip LED drivers found
682 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
683
684config LEDS_NS2
685 tristate "LED support for Network Space v2 GPIO LEDs"
686 depends on LEDS_CLASS
687 depends on MACH_KIRKWOOD || MACH_ARMADA_370 || COMPILE_TEST
688 default y
689 help
690 This option enables support for the dual-GPIO LEDs found on the
691 following LaCie/Seagate boards:
692
693 Network Space v2 (and parents: Max, Mini)
694 Internet Space v2
695 d2 Network v2
696 n090401 (Seagate NAS 4-Bay)
697
698config LEDS_NETXBIG
699 tristate "LED support for Big Network series LEDs"
700 depends on LEDS_CLASS
701 depends on MACH_KIRKWOOD || COMPILE_TEST
702 depends on OF_GPIO
703 default y
704 help
705 This option enables support for LEDs found on the LaCie 2Big
706 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
707 controlled through a GPIO extension bus.
708
709config LEDS_TCA6507
710 tristate "LED Support for TCA6507 I2C chip"
711 depends on LEDS_CLASS && I2C
712 help
713 This option enables support for LEDs connected to TC6507
714 LED driver chips accessed via the I2C bus.
715 Driver support brightness control and hardware-assisted blinking.
716
717config LEDS_TLC591XX
718 tristate "LED driver for TLC59108 and TLC59116 controllers"
719 depends on LEDS_CLASS && I2C
720 select REGMAP_I2C
721 help
722 This option enables support for Texas Instruments TLC59108
723 and TLC59116 LED controllers.
724
725config LEDS_MAX77650
726 tristate "LED support for Maxim MAX77650 PMIC"
727 depends on LEDS_CLASS && MFD_MAX77650
728 help
729 LEDs driver for MAX77650 family of PMICs from Maxim Integrated.
730
731config LEDS_MAX8997
732 tristate "LED support for MAX8997 PMIC"
733 depends on LEDS_CLASS && MFD_MAX8997
734 help
735 This option enables support for on-chip LED drivers on
736 MAXIM MAX8997 PMIC.
737
738config LEDS_LM355x
739 tristate "LED support for LM3554 and LM3556 chips"
740 depends on LEDS_CLASS && I2C
741 select REGMAP_I2C
742 help
743 This option enables support for LEDs connected to LM3554
744 and LM3556. It includes Torch, Flash and Indicator functions.
745
746config LEDS_OT200
747 tristate "LED support for the Bachmann OT200"
748 depends on LEDS_CLASS && HAS_IOPORT && (X86_32 || COMPILE_TEST)
749 help
750 This option enables support for the LEDs on the Bachmann OT200.
751 Say Y to enable LEDs on the Bachmann OT200.
752
753config LEDS_MENF21BMC
754 tristate "LED support for the MEN 14F021P00 BMC"
755 depends on LEDS_CLASS && MFD_MENF21BMC
756 help
757 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
758
759 This driver can also be built as a module. If so the module
760 will be called leds-menf21bmc.
761
762config LEDS_IS31FL319X
763 tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
764 depends on LEDS_CLASS && I2C
765 select REGMAP_I2C
766 help
767 This option enables support for LEDs connected to ISSI IS31FL319x
768 fancy LED driver chips accessed via the I2C bus.
769 Driver supports individual PWM brightness control for each channel.
770
771 This driver can also be built as a module. If so the module will be
772 called leds-is31fl319x.
773
774config LEDS_IS31FL32XX
775 tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
776 depends on LEDS_CLASS && I2C && OF
777 help
778 Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
779 LED controllers. They are I2C devices with multiple constant-current
780 channels, each with independent 256-level PWM control.
781
782config LEDS_SC27XX_BLTC
783 tristate "LED support for the SC27xx breathing light controller"
784 depends on LEDS_CLASS && MFD_SC27XX_PMIC
785 depends on OF
786 help
787 Say Y here to include support for the SC27xx breathing light controller
788 LEDs.
789
790 This driver can also be built as a module. If so the module will be
791 called leds-sc27xx-bltc.
792
793comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
794
795config LEDS_BLINKM
796 tristate "LED support for the BlinkM I2C RGB LED"
797 depends on LEDS_CLASS
798 depends on I2C
799 help
800 This option enables support for the BlinkM RGB LED connected
801 through I2C. Say Y to enable support for the BlinkM LED.
802
803config LEDS_POWERNV
804 tristate "LED support for PowerNV Platform"
805 depends on LEDS_CLASS
806 depends on PPC_POWERNV
807 depends on OF
808 help
809 This option enables support for the system LEDs present on
810 PowerNV platforms. Say 'y' to enable this support in kernel.
811 To compile this driver as a module, choose 'm' here: the module
812 will be called leds-powernv.
813
814config LEDS_SYSCON
815 bool "LED support for LEDs on system controllers"
816 depends on LEDS_CLASS=y
817 depends on MFD_SYSCON
818 depends on OF
819 help
820 This option enables support for the LEDs on syscon type
821 devices. This will only work with device tree enabled
822 devices.
823
824config LEDS_PM8058
825 tristate "LED Support for the Qualcomm PM8058 PMIC"
826 depends on MFD_PM8XXX
827 depends on LEDS_CLASS
828 help
829 Choose this option if you want to use the LED drivers in
830 the Qualcomm PM8058 PMIC.
831
832config LEDS_MLXCPLD
833 tristate "LED support for the Mellanox boards"
834 depends on X86 && DMI
835 depends on LEDS_CLASS
836 help
837 This option enables support for the LEDs on the Mellanox
838 boards. Say Y to enable these.
839
840config LEDS_MLXREG
841 tristate "LED support for the Mellanox switches management control"
842 depends on LEDS_CLASS
843 help
844 This option enables support for the LEDs on the Mellanox Ethernet and
845 InfiniBand switches. The driver can be activated by the platform device
846 device add call. Say Y to enable these. To compile this driver as a
847 module, choose 'M' here: the module will be called leds-mlxreg.
848
849config LEDS_USER
850 tristate "Userspace LED support"
851 depends on LEDS_CLASS
852 help
853 This option enables support for userspace LEDs. Say 'y' to enable this
854 support in kernel. To compile this driver as a module, choose 'm' here:
855 the module will be called uleds.
856
857config LEDS_NIC78BX
858 tristate "LED support for NI PXI NIC78bx devices"
859 depends on LEDS_CLASS
860 depends on X86 && ACPI
861 help
862 This option enables support for the User1 and User2 LEDs on NI
863 PXI NIC78bx devices.
864
865 To compile this driver as a module, choose M here: the module
866 will be called leds-nic78bx.
867
868config LEDS_SPI_BYTE
869 tristate "LED support for SPI LED controller with a single byte"
870 depends on LEDS_CLASS
871 depends on SPI
872 depends on OF
873 help
874 This option enables support for LED controller which use a single byte
875 for controlling the brightness. Currently the following controller is
876 supported: Ubiquiti airCube ISP microcontroller based LED controller.
877
878config LEDS_TI_LMU_COMMON
879 tristate "LED driver for TI LMU" if COMPILE_TEST
880 select REGMAP
881 help
882 Say Y to enable the LED driver for TI LMU devices.
883 This supports common features between the TI LM3532, LM3631, LM3632,
884 LM3633, LM3695 and LM3697.
885
886config LEDS_LM3697
887 tristate "LED driver for LM3697"
888 depends on LEDS_CLASS && I2C && OF
889 select LEDS_TI_LMU_COMMON
890 help
891 Say Y to enable the LM3697 LED driver for TI LMU devices.
892 This supports the LED device LM3697.
893
894config LEDS_LM36274
895 tristate "LED driver for LM36274"
896 depends on LEDS_CLASS && MFD_TI_LMU
897 select LEDS_TI_LMU_COMMON
898 help
899 Say Y to enable the LM36274 LED driver for TI LMU devices.
900 This supports the LED device LM36274.
901
902config LEDS_TPS6105X
903 tristate "LED support for TI TPS6105X"
904 depends on LEDS_CLASS
905 depends on TPS6105X
906 default y if TPS6105X
907 help
908 This driver supports TPS61050/TPS61052 LED chips.
909 It is a single boost converter primarily for white LEDs and
910 audio amplifiers.
911
912config LEDS_IP30
913 tristate "LED support for SGI Octane machines"
914 depends on LEDS_CLASS
915 depends on SGI_MFD_IOC3 || COMPILE_TEST
916 help
917 This option enables support for the Red and White LEDs of
918 SGI Octane machines.
919
920 To compile this driver as a module, choose M here: the module
921 will be called leds-ip30.
922
923config LEDS_ACER_A500
924 tristate "Power button LED support for Acer Iconia Tab A500"
925 depends on LEDS_CLASS && MFD_ACER_A500_EC
926 help
927 This option enables support for the Power Button LED of
928 Acer Iconia Tab A500.
929
930source "drivers/leds/blink/Kconfig"
931
932comment "Flash and Torch LED drivers"
933source "drivers/leds/flash/Kconfig"
934
935comment "RGB LED drivers"
936source "drivers/leds/rgb/Kconfig"
937
938comment "LED Triggers"
939source "drivers/leds/trigger/Kconfig"
940
941comment "Simple LED drivers"
942source "drivers/leds/simple/Kconfig"
943
944endif # NEW_LEDS