1 config LEDS_GPIO_REGISTER
4 This option provides the function gpio_led_register_device.
5 As this function is used by arch code it must not be compiled as a
11 Say Y to enable Linux LED support. This allows control of supported
12 LEDs from both userspace and optionally, by kernel events (triggers).
14 This is not related to standard keyboard LEDs which are controlled
20 bool "LED Class Support"
22 This option enables the led sysfs class in /sys/class/leds. You'll
23 need this to do anything useful with LEDs. If unsure, say N.
28 bool "Torch light support"
31 Say Y here to enable torch support for the camera flash led
32 This option enables the led sysfs class in /sys/class/leds/torch-sec1
35 bool "Flashlight Support"
37 This option enables the led sysfs class in /sys/class/flashlight.
40 tristate "Richtek flash LED driver support"
43 Say Y here to enable Richtek's flash LED driver HAL architecture
46 tristate "Richtek RT5033 flash LED driver"
47 depends on RT_FLASH_LED && MFD_RT5033
49 A driver for Richtek RT5033 flash LED
52 prompt "Control method"
53 depends on FLED_RT5033
54 default FLED_RT5033_I2C
56 Choose which control signal to use for enabling/disabling torch and flash light.
58 config FLED_RT5033_I2C
61 Use I2C to enable/disable torch and flash light.
64 config FLED_RT5033_EXT_GPIO
65 bool "External(or ISP) GPIO"
67 Use GPIO pins to enable/disable torch and flash light.
73 tristate "SiliconMitus SM5701 flash LED driver"
74 depends on MFD_SM5701 || SPRD_CHARGER_SM5701
76 A driver for SiliconMitus SM5701 flash LED
78 config FLED_SPRD_SM5701
79 tristate "SiliconMitus SM5701 flash LED driver"
80 depends on MFD_SPRD_SM5701
82 A driver for SiliconMitus SM5701 flash LED
85 tristate "LED Support for Marvell 88PM860x PMIC"
87 depends on MFD_88PM860X
89 This option enables support for on-chip LED drivers found on Marvell
90 Semiconductor 88PM8606 PMIC.
93 tristate "LED Support using Atmel PWM outputs"
97 This option enables support for LEDs driven using outputs
98 of the dedicated PWM controller found on newer Atmel SOCs.
101 tristate "LCD Backlight driver for LM3530"
102 depends on LEDS_CLASS
105 This option enables support for the LCD backlight using
106 LM3530 ambient light sensor chip. This ALS chip can be
107 controlled manually or using PWM input or using ambient
111 tristate "LED support for LM3533"
112 depends on LEDS_CLASS
113 depends on MFD_LM3533
115 This option enables support for the LEDs on National Semiconductor /
116 TI LM3533 Lighting Power chips.
118 The LEDs can be controlled directly, through PWM input, or by the
119 ambient-light-sensor interface. The chip supports
120 hardware-accelerated blinking with maximum on and off periods of 9.8
121 and 77 seconds respectively.
124 tristate "LED support for LM3642 Chip"
125 depends on LEDS_CLASS && I2C
128 This option enables support for LEDs connected to LM3642.
129 The LM3642 is a 4MHz fixed-frequency synchronous boost
130 converter plus 1.5A constant current driver for a high-current
135 tristate "LED Support for Locomo device"
136 depends on LEDS_CLASS
137 depends on SHARP_LOCOMO
139 This option enables support for the LEDs on Sharp Locomo.
140 Zaurus models SL-5500 and SL-5600.
142 config LEDS_MIKROTIK_RB532
143 tristate "LED Support for Mikrotik Routerboard 532"
144 depends on LEDS_CLASS
145 depends on MIKROTIK_RB532
147 This option enables support for the so called "User LED" of
148 Mikrotik's Routerboard 532.
151 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
152 depends on LEDS_CLASS
153 depends on ARCH_S3C24XX
155 This option enables support for LEDs connected to GPIO lines
156 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
159 tristate "LED Support for Soekris net48xx series Error LED"
160 depends on LEDS_CLASS
161 depends on SCx200_GPIO
163 This option enables support for the Soekris net4801 and net4826 error
167 tristate "LED Support for the Freecom FSG-3"
168 depends on LEDS_CLASS
171 This option enables support for the LEDs on the Freecom FSG-3.
174 tristate "LED Support for the WRAP series LEDs"
175 depends on LEDS_CLASS
176 depends on SCx200_GPIO
178 This option enables support for the PCEngines WRAP programmable LEDs.
180 config LEDS_COBALT_QUBE
181 tristate "LED Support for the Cobalt Qube series front LED"
182 depends on LEDS_CLASS
183 depends on MIPS_COBALT
185 This option enables support for the front LED on Cobalt Qube series
187 config LEDS_COBALT_RAQ
188 bool "LED Support for the Cobalt Raq series"
189 depends on LEDS_CLASS=y && MIPS_COBALT
192 This option enables support for the Cobalt Raq series LEDs.
195 tristate "LED support for SunFire servers."
196 depends on LEDS_CLASS
200 This option enables support for the Left, Middle, and Right
201 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
204 tristate "LED Support for the HP Jornada 6xx"
205 depends on LEDS_CLASS
208 This option enables LED support for the handheld
209 HP Jornada 620/660/680/690.
212 tristate "LED driver for PCA9532 dimmer"
213 depends on LEDS_CLASS
214 depends on I2C && INPUT
216 This option enables support for NXP pca9532
217 LED controller. It is generally only useful
220 config LEDS_PCA9532_GPIO
221 bool "Enable GPIO support for PCA9532"
222 depends on LEDS_PCA9532
225 Allow unused pins on PCA9532 to be used as gpio.
227 To use a pin as gpio pca9532_type in pca9532_platform data needs to
228 set to PCA9532_TYPE_GPIO.
231 tristate "LED Support for GPIO connected LEDs"
232 depends on LEDS_CLASS
235 This option enables support for the LEDs connected to GPIO
236 outputs. To be useful the particular board must have LEDs
237 and they must be connected to the GPIO lines. The LEDs must be
238 defined as platform devices and/or OpenFirmware platform devices.
239 The code to use these bindings can be selected below.
242 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
243 depends on LEDS_CLASS
246 This option enables support for LEDs connected to the National
247 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
250 To compile this driver as a module, choose M here: the
251 module will be called leds-lp3944.
253 config LEDS_LP55XX_COMMON
254 tristate "Common Driver for TI/National LP5521, LP5523/55231 and LP5562"
255 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562
258 This option supports common operations for LP5521 and LP5523/55231
262 tristate "LED Support for N.S. LP5521 LED driver chip"
263 depends on LEDS_CLASS && I2C
264 select LEDS_LP55XX_COMMON
266 If you say yes here you get support for the National Semiconductor
267 LP5521 LED driver. It is 3 channel chip with programmable engines.
268 Driver provides direct control via LED class and interface for
269 programming the engines.
272 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
273 depends on LEDS_CLASS && I2C
274 select LEDS_LP55XX_COMMON
276 If you say yes here you get support for TI/National Semiconductor
277 LP5523/55231 LED driver.
278 It is 9 channel chip with programmable engines.
279 Driver provides direct control via LED class and interface for
280 programming the engines.
283 tristate "LED Support for TI LP5562 LED driver chip"
284 depends on LEDS_CLASS && I2C
285 select LEDS_LP55XX_COMMON
287 If you say yes here you get support for TI LP5562 LED driver.
288 It is 4 channels chip with programmable engines.
289 Driver provides direct control via LED class and interface for
290 programming the engines.
293 tristate "LED support for the TI LP8788 PMIC"
294 depends on LEDS_CLASS
295 depends on MFD_LP8788
297 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
299 config LEDS_CLEVO_MAIL
300 tristate "Mail LED on Clevo notebook"
301 depends on LEDS_CLASS
302 depends on X86 && SERIO_I8042 && DMI
304 This driver makes the mail LED accessible from userspace
305 programs through the leds subsystem. This LED have three
306 known mode: off, blink at 0.5Hz and blink at 1Hz.
308 The driver supports two kinds of interface: using ledtrig-timer
309 or through /sys/class/leds/clevo::mail/brightness. As this LED
310 cannot change it's brightness it blinks instead. The brightness
311 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
314 This module can drive the mail LED for the following notebooks:
319 Clevo D400V/D470V (not tested, but might work)
321 Clevo M5x0N (not tested, but might work)
322 Positivo Mobile (Clevo M5x0V)
324 If your model is not listed here you can try the "nodetect"
327 To compile this driver as a module, choose M here: the
328 module will be called leds-clevo-mail.
331 tristate "LED Support for PCA955x I2C chips"
332 depends on LEDS_CLASS
335 This option enables support for LEDs connected to PCA955x
336 LED driver chips accessed via the I2C bus. Supported
337 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
340 tristate "LED support for PCA9633 I2C chip"
341 depends on LEDS_CLASS
344 This option enables support for LEDs connected to the PCA9633
345 LED driver chip accessed via the I2C bus.
347 config LEDS_WM831X_STATUS
348 tristate "LED support for status LEDs on WM831x PMICs"
349 depends on LEDS_CLASS
350 depends on MFD_WM831X
352 This option enables support for the status LEDs of the WM831x
356 tristate "LED Support for WM8350 AudioPlus PMIC"
357 depends on LEDS_CLASS
358 depends on MFD_WM8350
360 This option enables support for LEDs driven by the Wolfson
361 Microelectronics WM8350 AudioPlus PMIC.
364 tristate "LED Support for DA9030/DA9034 PMIC"
365 depends on LEDS_CLASS
366 depends on PMIC_DA903X
368 This option enables support for on-chip LED drivers found
369 on Dialog Semiconductor DA9030/DA9034 PMICs.
372 tristate "Dialog DA9052/DA9053 LEDS"
373 depends on LEDS_CLASS
374 depends on PMIC_DA9052
376 This option enables support for on-chip LED drivers found
377 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
379 config LEDS_DAC124S085
380 tristate "LED Support for DAC124S085 SPI DAC"
381 depends on LEDS_CLASS
384 This option enables support for DAC124S085 SPI DAC from NatSemi,
385 which can be used to control up to four LEDs.
388 tristate "PWM driven LED Support"
389 depends on LEDS_CLASS
392 This option enables support for pwm driven LEDs
394 config LEDS_REGULATOR
395 tristate "REGULATOR driven LED support"
396 depends on LEDS_CLASS
399 This option enables support for regulator driven LEDs.
402 tristate "LED driver for BD2802 RGB LED"
403 depends on LEDS_CLASS
406 This option enables support for BD2802GU RGB LED driver chips
407 accessed via the I2C bus.
409 config LEDS_INTEL_SS4200
410 tristate "LED driver for Intel NAS SS4200 series"
411 depends on LEDS_CLASS
412 depends on PCI && DMI
414 This option enables support for the Intel SS4200 series of
415 Network Attached Storage servers. You may control the hard
416 drive or power LEDs on the front panel. Using this driver
417 can stop the front LED from blinking after startup.
420 tristate "LED driver for LT3593 controllers"
421 depends on LEDS_CLASS
424 This option enables support for LEDs driven by a Linear Technology
425 LT3593 controller. This controller uses a special one-wire pulse
426 coding protocol to set the brightness.
429 tristate "LED Support for ADP5520/ADP5501 PMIC"
430 depends on LEDS_CLASS
431 depends on PMIC_ADP5520
433 This option enables support for on-chip LED drivers found
434 on Analog Devices ADP5520/ADP5501 PMICs.
436 To compile this driver as a module, choose M here: the module will
437 be called leds-adp5520.
439 config LEDS_DELL_NETBOOKS
440 tristate "External LED on Dell Business Netbooks"
441 depends on LEDS_CLASS
442 depends on X86 && ACPI_WMI
444 This adds support for the Latitude 2100 and similar
445 notebooks that have an external LED.
448 tristate "LED Support for MC13783 PMIC"
449 depends on LEDS_CLASS
450 depends on MFD_MC13783
452 This option enable support for on-chip LED drivers found
453 on Freescale Semiconductor MC13783 PMIC.
456 tristate "LED support for Network Space v2 GPIO LEDs"
457 depends on LEDS_CLASS
458 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || \
459 MACH_NETSPACE_MAX_V2 || MACH_D2NET_V2 || \
460 MACH_NETSPACE_V2_DT || MACH_INETSPACE_V2_DT || \
461 MACH_NETSPACE_MAX_V2_DT || MACH_NETSPACE_MINI_V2_DT
464 This option enable support for the dual-GPIO LED found on the
465 Network Space v2 board (and parents). This include Internet Space v2,
466 Network Space (Max) v2 and d2 Network v2 boards.
469 tristate "LED support for Big Network series LEDs"
470 depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
471 depends on LEDS_CLASS
474 This option enable support for LEDs found on the LaCie 2Big
475 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
476 controlled through a GPIO extension bus.
479 bool "LED support for the HTC ASIC3"
480 depends on LEDS_CLASS=y
484 This option enables support for the LEDs on the HTC ASIC3. The HTC
485 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
486 cannot be used. This driver supports hardware blinking with an on+off
487 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
489 config LEDS_RENESAS_TPU
490 bool "LED support for Renesas TPU"
491 depends on LEDS_CLASS=y && HAVE_CLK && GPIOLIB
493 This option enables build of the LED TPU platform driver,
494 suitable to drive any TPU channel on newer Renesas SoCs.
495 The driver controls the GPIO pin connected to the LED via
496 the GPIO framework and expects the LED to be connected to
497 a pin that can be driven in both GPIO mode and using TPU
498 pin function. The latter to support brightness control.
499 Brightness control is supported but hardware blinking is not.
502 tristate "LED Support for TCA6507 I2C chip"
503 depends on LEDS_CLASS && I2C
505 This option enables support for LEDs connected to TC6507
506 LED driver chips accessed via the I2C bus.
507 Driver support brightness control and hardware-assisted blinking.
510 tristate "LED support for MAX8997 PMIC"
511 depends on LEDS_CLASS && MFD_MAX8997
513 This option enables support for on-chip LED drivers on
517 tristate "LED support for LM355x Chips, LM3554 and LM3556"
518 depends on LEDS_CLASS && I2C
521 This option enables support for LEDs connected to LM355x.
522 LM355x includes Torch, Flash and Indicator functions.
525 tristate "LED support for the Bachmann OT200"
526 depends on LEDS_CLASS && HAS_IOMEM
528 This option enables support for the LEDs on the Bachmann OT200.
529 Say Y to enable LEDs on the Bachmann OT200.
532 tristate "LED support for the BlinkM I2C RGB LED"
533 depends on LEDS_CLASS
536 This option enables support for the BlinkM RGB LED connected
537 through I2C. Say Y to enable support for the BlinkM LED.
539 config LEDS_SC8810_KB
540 tristate "LED Support for SC8810 keyboard backlight"
543 tristate "LED Support for sprd keyboard backlight"
544 depends on LEDS_CLASS && (ADIE_SC2713S || ADIE_SC2713)
547 This option enables support.
549 config SPRD_KPLED_2723
550 tristate "LED Support for SPRD_KPLED_2723"
551 depends on LEDS_CLASS && (ADIE_SC2723S || ADIE_SC2723)
554 This option enables support.
555 config LEDS_SPRD_BLTC_RGB
556 tristate "LED Support for sprd bltc_rgb led"
557 depends on LEDS_CLASS
560 This option enables support.
563 tristate "LED Support for sprd rgb led"
564 depends on LEDS_CLASS
567 This option enables support.
569 comment "LED Triggers"
570 source "drivers/leds/trigger/Kconfig"