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 tristate "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 tristate "LED Support for Marvell 88PM860x PMIC"
30 depends on MFD_88PM860X
32 This option enables support for on-chip LED drivers found on Marvell
33 Semiconductor 88PM8606 PMIC.
36 tristate "LED Support using Atmel PWM outputs"
40 This option enables support for LEDs driven using outputs
41 of the dedicated PWM controller found on newer Atmel SOCs.
44 tristate "LCD Backlight driver for LM3530"
48 This option enables support for the LCD backlight using
49 LM3530 ambient light sensor chip. This ALS chip can be
50 controlled manually or using PWM input or using ambient
54 tristate "LED support for LM3533"
58 This option enables support for the LEDs on National Semiconductor /
59 TI LM3533 Lighting Power chips.
61 The LEDs can be controlled directly, through PWM input, or by the
62 ambient-light-sensor interface. The chip supports
63 hardware-accelerated blinking with maximum on and off periods of 9.8
64 and 77 seconds respectively.
67 tristate "LED support for LM3642 Chip"
68 depends on LEDS_CLASS && I2C
71 This option enables support for LEDs connected to LM3642.
72 The LM3642 is a 4MHz fixed-frequency synchronous boost
73 converter plus 1.5A constant current driver for a high-current
78 tristate "LED Support for Locomo device"
80 depends on SHARP_LOCOMO
82 This option enables support for the LEDs on Sharp Locomo.
83 Zaurus models SL-5500 and SL-5600.
85 config LEDS_MIKROTIK_RB532
86 tristate "LED Support for Mikrotik Routerboard 532"
88 depends on MIKROTIK_RB532
90 This option enables support for the so called "User LED" of
91 Mikrotik's Routerboard 532.
94 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
96 depends on ARCH_S3C24XX
98 This option enables support for LEDs connected to GPIO lines
99 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
102 tristate "LED Support for Soekris net48xx series Error LED"
103 depends on LEDS_CLASS
104 depends on SCx200_GPIO
106 This option enables support for the Soekris net4801 and net4826 error
110 tristate "LED Support for the Freecom FSG-3"
111 depends on LEDS_CLASS
114 This option enables support for the LEDs on the Freecom FSG-3.
117 tristate "LED Support for the WRAP series LEDs"
118 depends on LEDS_CLASS
119 depends on SCx200_GPIO
121 This option enables support for the PCEngines WRAP programmable LEDs.
123 config LEDS_COBALT_QUBE
124 tristate "LED Support for the Cobalt Qube series front LED"
125 depends on LEDS_CLASS
126 depends on MIPS_COBALT
128 This option enables support for the front LED on Cobalt Qube series
130 config LEDS_COBALT_RAQ
131 bool "LED Support for the Cobalt Raq series"
132 depends on LEDS_CLASS=y && MIPS_COBALT
135 This option enables support for the Cobalt Raq series LEDs.
138 tristate "LED support for SunFire servers."
139 depends on LEDS_CLASS
143 This option enables support for the Left, Middle, and Right
144 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
146 config LEDS_IPAQ_MICRO
147 tristate "LED Support for the Compaq iPAQ h3xxx"
148 depends on MFD_IPAQ_MICRO
150 Choose this option if you want to use the notification LED on
151 Compaq/HP iPAQ h3100 and h3600.
154 tristate "LED Support for the HP Jornada 6xx"
155 depends on LEDS_CLASS
158 This option enables LED support for the handheld
159 HP Jornada 620/660/680/690.
162 tristate "LED driver for PCA9532 dimmer"
163 depends on LEDS_CLASS
164 depends on I2C && INPUT
166 This option enables support for NXP pca9532
167 LED controller. It is generally only useful
170 config LEDS_PCA9532_GPIO
171 bool "Enable GPIO support for PCA9532"
172 depends on LEDS_PCA9532
175 Allow unused pins on PCA9532 to be used as gpio.
177 To use a pin as gpio pca9532_type in pca9532_platform data needs to
178 set to PCA9532_TYPE_GPIO.
181 tristate "LED Support for GPIO connected LEDs"
182 depends on LEDS_CLASS
185 This option enables support for the LEDs connected to GPIO
186 outputs. To be useful the particular board must have LEDs
187 and they must be connected to the GPIO lines. The LEDs must be
188 defined as platform devices and/or OpenFirmware platform devices.
189 The code to use these bindings can be selected below.
192 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
193 depends on LEDS_CLASS
196 This option enables support for LEDs connected to the National
197 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
200 To compile this driver as a module, choose M here: the
201 module will be called leds-lp3944.
203 config LEDS_LP55XX_COMMON
204 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
205 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
208 This option supports common operations for LP5521/5523/55231/5562/8501
212 tristate "LED Support for N.S. LP5521 LED driver chip"
213 depends on LEDS_CLASS && I2C
214 select LEDS_LP55XX_COMMON
216 If you say yes here you get support for the National Semiconductor
217 LP5521 LED driver. It is 3 channel chip with programmable engines.
218 Driver provides direct control via LED class and interface for
219 programming the engines.
222 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
223 depends on LEDS_CLASS && I2C
224 select LEDS_LP55XX_COMMON
226 If you say yes here you get support for TI/National Semiconductor
227 LP5523/55231 LED driver.
228 It is 9 channel chip with programmable engines.
229 Driver provides direct control via LED class and interface for
230 programming the engines.
233 tristate "LED Support for TI LP5562 LED driver chip"
234 depends on LEDS_CLASS && I2C
235 select LEDS_LP55XX_COMMON
237 If you say yes here you get support for TI LP5562 LED driver.
238 It is 4 channels chip with programmable engines.
239 Driver provides direct control via LED class and interface for
240 programming the engines.
243 tristate "LED Support for TI LP8501 LED driver chip"
244 depends on LEDS_CLASS && I2C
245 select LEDS_LP55XX_COMMON
247 If you say yes here you get support for TI LP8501 LED driver.
248 It is 9 channel chip with programmable engines.
249 Driver provides direct control via LED class and interface for
250 programming the engines.
251 It is similar as LP5523, but output power selection is available.
252 And register layout and engine program schemes are different.
255 tristate "LED support for the TI LP8788 PMIC"
256 depends on LEDS_CLASS
257 depends on MFD_LP8788
259 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
261 config LEDS_CLEVO_MAIL
262 tristate "Mail LED on Clevo notebook"
263 depends on LEDS_CLASS
264 depends on X86 && SERIO_I8042 && DMI
266 This driver makes the mail LED accessible from userspace
267 programs through the leds subsystem. This LED have three
268 known mode: off, blink at 0.5Hz and blink at 1Hz.
270 The driver supports two kinds of interface: using ledtrig-timer
271 or through /sys/class/leds/clevo::mail/brightness. As this LED
272 cannot change it's brightness it blinks instead. The brightness
273 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
276 This module can drive the mail LED for the following notebooks:
281 Clevo D400V/D470V (not tested, but might work)
283 Clevo M5x0N (not tested, but might work)
284 Positivo Mobile (Clevo M5x0V)
286 If your model is not listed here you can try the "nodetect"
289 To compile this driver as a module, choose M here: the
290 module will be called leds-clevo-mail.
293 tristate "LED Support for PCA955x I2C chips"
294 depends on LEDS_CLASS
297 This option enables support for LEDs connected to PCA955x
298 LED driver chips accessed via the I2C bus. Supported
299 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
302 tristate "LED support for PCA963x I2C chip"
303 depends on LEDS_CLASS
306 This option enables support for LEDs connected to the PCA963x
307 LED driver chip accessed via the I2C bus. Supported
308 devices include PCA9633 and PCA9634
310 config LEDS_WM831X_STATUS
311 tristate "LED support for status LEDs on WM831x PMICs"
312 depends on LEDS_CLASS
313 depends on MFD_WM831X
315 This option enables support for the status LEDs of the WM831x
319 tristate "LED Support for WM8350 AudioPlus PMIC"
320 depends on LEDS_CLASS
321 depends on MFD_WM8350
323 This option enables support for LEDs driven by the Wolfson
324 Microelectronics WM8350 AudioPlus PMIC.
327 tristate "LED Support for DA9030/DA9034 PMIC"
328 depends on LEDS_CLASS
329 depends on PMIC_DA903X
331 This option enables support for on-chip LED drivers found
332 on Dialog Semiconductor DA9030/DA9034 PMICs.
335 tristate "Dialog DA9052/DA9053 LEDS"
336 depends on LEDS_CLASS
337 depends on PMIC_DA9052
339 This option enables support for on-chip LED drivers found
340 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
342 config LEDS_DAC124S085
343 tristate "LED Support for DAC124S085 SPI DAC"
344 depends on LEDS_CLASS
347 This option enables support for DAC124S085 SPI DAC from NatSemi,
348 which can be used to control up to four LEDs.
351 tristate "PWM driven LED Support"
352 depends on LEDS_CLASS
355 This option enables support for pwm driven LEDs
357 config LEDS_REGULATOR
358 tristate "REGULATOR driven LED support"
359 depends on LEDS_CLASS
362 This option enables support for regulator driven LEDs.
365 tristate "LED driver for BD2802 RGB LED"
366 depends on LEDS_CLASS
369 This option enables support for BD2802GU RGB LED driver chips
370 accessed via the I2C bus.
372 config LEDS_INTEL_SS4200
373 tristate "LED driver for Intel NAS SS4200 series"
374 depends on LEDS_CLASS
375 depends on PCI && DMI
377 This option enables support for the Intel SS4200 series of
378 Network Attached Storage servers. You may control the hard
379 drive or power LEDs on the front panel. Using this driver
380 can stop the front LED from blinking after startup.
383 tristate "LED driver for LT3593 controllers"
384 depends on LEDS_CLASS
387 This option enables support for LEDs driven by a Linear Technology
388 LT3593 controller. This controller uses a special one-wire pulse
389 coding protocol to set the brightness.
392 tristate "LED Support for ADP5520/ADP5501 PMIC"
393 depends on LEDS_CLASS
394 depends on PMIC_ADP5520
396 This option enables support for on-chip LED drivers found
397 on Analog Devices ADP5520/ADP5501 PMICs.
399 To compile this driver as a module, choose M here: the module will
400 be called leds-adp5520.
402 config LEDS_DELL_NETBOOKS
403 tristate "External LED on Dell Business Netbooks"
404 depends on LEDS_CLASS
405 depends on X86 && ACPI_WMI
407 This adds support for the Latitude 2100 and similar
408 notebooks that have an external LED.
411 tristate "LED Support for MC13XXX PMIC"
412 depends on LEDS_CLASS
413 depends on MFD_MC13XXX
415 This option enable support for on-chip LED drivers found
416 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
419 tristate "LED support for Network Space v2 GPIO LEDs"
420 depends on LEDS_CLASS
421 depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
424 This option enable support for the dual-GPIO LED found on the
425 Network Space v2 board (and parents). This include Internet Space v2,
426 Network Space (Max) v2 and d2 Network v2 boards.
429 tristate "LED support for Big Network series LEDs"
430 depends on LEDS_CLASS
431 depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
434 This option enable support for LEDs found on the LaCie 2Big
435 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
436 controlled through a GPIO extension bus.
439 bool "LED support for the HTC ASIC3"
440 depends on LEDS_CLASS=y
444 This option enables support for the LEDs on the HTC ASIC3. The HTC
445 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
446 cannot be used. This driver supports hardware blinking with an on+off
447 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
450 tristate "LED Support for TCA6507 I2C chip"
451 depends on LEDS_CLASS && I2C
453 This option enables support for LEDs connected to TC6507
454 LED driver chips accessed via the I2C bus.
455 Driver support brightness control and hardware-assisted blinking.
458 tristate "LED support for MAX8997 PMIC"
459 depends on LEDS_CLASS && MFD_MAX8997
461 This option enables support for on-chip LED drivers on
465 tristate "LED support for LM355x Chips, LM3554 and LM3556"
466 depends on LEDS_CLASS && I2C
469 This option enables support for LEDs connected to LM355x.
470 LM355x includes Torch, Flash and Indicator functions.
473 tristate "LED support for the Bachmann OT200"
474 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
476 This option enables support for the LEDs on the Bachmann OT200.
477 Say Y to enable LEDs on the Bachmann OT200.
479 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
482 tristate "LED support for the BlinkM I2C RGB LED"
483 depends on LEDS_CLASS
486 This option enables support for the BlinkM RGB LED connected
487 through I2C. Say Y to enable support for the BlinkM LED.
489 config LEDS_VERSATILE
490 tristate "LED support for the ARM Versatile and RealView"
491 depends on ARCH_REALVIEW || ARCH_VERSATILE
492 depends on LEDS_CLASS
494 This option enabled support for the LEDs on the ARM Versatile
495 and RealView boards. Say Y to enabled these.
497 comment "LED Triggers"
498 source "drivers/leds/trigger/Kconfig"