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.
25 config LEDS_CLASS_FLASH
26 tristate "LED Flash Class Support"
29 This option enables the flash led sysfs class in /sys/class/leds.
30 It wrapps LED Class and adds flash LEDs specific sysfs attributes
31 and kernel internal API to it. You'll need this to provide support
32 for the flash related features of a LED device. It can be built
38 tristate "LED Support for Marvell 88PM860x PMIC"
40 depends on MFD_88PM860X
42 This option enables support for on-chip LED drivers found on Marvell
43 Semiconductor 88PM8606 PMIC.
46 tristate "LCD Backlight driver for LM3530"
50 This option enables support for the LCD backlight using
51 LM3530 ambient light sensor chip. This ALS chip can be
52 controlled manually or using PWM input or using ambient
56 tristate "LED support for LM3533"
60 This option enables support for the LEDs on National Semiconductor /
61 TI LM3533 Lighting Power chips.
63 The LEDs can be controlled directly, through PWM input, or by the
64 ambient-light-sensor interface. The chip supports
65 hardware-accelerated blinking with maximum on and off periods of 9.8
66 and 77 seconds respectively.
69 tristate "LED support for LM3642 Chip"
70 depends on LEDS_CLASS && I2C
73 This option enables support for LEDs connected to LM3642.
74 The LM3642 is a 4MHz fixed-frequency synchronous boost
75 converter plus 1.5A constant current driver for a high-current
80 tristate "LED Support for Locomo device"
82 depends on SHARP_LOCOMO
84 This option enables support for the LEDs on Sharp Locomo.
85 Zaurus models SL-5500 and SL-5600.
87 config LEDS_MIKROTIK_RB532
88 tristate "LED Support for Mikrotik Routerboard 532"
90 depends on MIKROTIK_RB532
92 This option enables support for the so called "User LED" of
93 Mikrotik's Routerboard 532.
96 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
98 depends on ARCH_S3C24XX
100 This option enables support for LEDs connected to GPIO lines
101 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
104 tristate "LED Support for Soekris net48xx series Error LED"
105 depends on LEDS_CLASS
106 depends on SCx200_GPIO
108 This option enables support for the Soekris net4801 and net4826 error
112 tristate "LED Support for the Freecom FSG-3"
113 depends on LEDS_CLASS
116 This option enables support for the LEDs on the Freecom FSG-3.
119 tristate "LED Support for the WRAP series LEDs"
120 depends on LEDS_CLASS
121 depends on SCx200_GPIO
123 This option enables support for the PCEngines WRAP programmable LEDs.
125 config LEDS_COBALT_QUBE
126 tristate "LED Support for the Cobalt Qube series front LED"
127 depends on LEDS_CLASS
128 depends on MIPS_COBALT
130 This option enables support for the front LED on Cobalt Qube series
132 config LEDS_COBALT_RAQ
133 bool "LED Support for the Cobalt Raq series"
134 depends on LEDS_CLASS=y && MIPS_COBALT
137 This option enables support for the Cobalt Raq series LEDs.
140 tristate "LED support for SunFire servers."
141 depends on LEDS_CLASS
145 This option enables support for the Left, Middle, and Right
146 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
148 config LEDS_IPAQ_MICRO
149 tristate "LED Support for the Compaq iPAQ h3xxx"
150 depends on MFD_IPAQ_MICRO
152 Choose this option if you want to use the notification LED on
153 Compaq/HP iPAQ h3100 and h3600.
156 tristate "LED Support for the HP Jornada 6xx"
157 depends on LEDS_CLASS
160 This option enables LED support for the handheld
161 HP Jornada 620/660/680/690.
164 tristate "LED driver for PCA9532 dimmer"
165 depends on LEDS_CLASS
166 depends on I2C && INPUT
168 This option enables support for NXP pca9532
169 LED controller. It is generally only useful
172 config LEDS_PCA9532_GPIO
173 bool "Enable GPIO support for PCA9532"
174 depends on LEDS_PCA9532
177 Allow unused pins on PCA9532 to be used as gpio.
179 To use a pin as gpio pca9532_type in pca9532_platform data needs to
180 set to PCA9532_TYPE_GPIO.
183 tristate "LED Support for GPIO connected LEDs"
184 depends on LEDS_CLASS
187 This option enables support for the LEDs connected to GPIO
188 outputs. To be useful the particular board must have LEDs
189 and they must be connected to the GPIO lines. The LEDs must be
190 defined as platform devices and/or OpenFirmware platform devices.
191 The code to use these bindings can be selected below.
194 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
195 depends on LEDS_CLASS
198 This option enables support for LEDs connected to the National
199 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
202 To compile this driver as a module, choose M here: the
203 module will be called leds-lp3944.
205 config LEDS_LP55XX_COMMON
206 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
207 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
210 This option supports common operations for LP5521/5523/55231/5562/8501
214 tristate "LED Support for N.S. LP5521 LED driver chip"
215 depends on LEDS_CLASS && I2C
216 select LEDS_LP55XX_COMMON
218 If you say yes here you get support for the National Semiconductor
219 LP5521 LED driver. It is 3 channel chip with programmable engines.
220 Driver provides direct control via LED class and interface for
221 programming the engines.
224 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
225 depends on LEDS_CLASS && I2C
226 select LEDS_LP55XX_COMMON
228 If you say yes here you get support for TI/National Semiconductor
229 LP5523/55231 LED driver.
230 It is 9 channel chip with programmable engines.
231 Driver provides direct control via LED class and interface for
232 programming the engines.
235 tristate "LED Support for TI LP5562 LED driver chip"
236 depends on LEDS_CLASS && I2C
237 select LEDS_LP55XX_COMMON
239 If you say yes here you get support for TI LP5562 LED driver.
240 It is 4 channels chip with programmable engines.
241 Driver provides direct control via LED class and interface for
242 programming the engines.
245 tristate "LED Support for TI LP8501 LED driver chip"
246 depends on LEDS_CLASS && I2C
247 select LEDS_LP55XX_COMMON
249 If you say yes here you get support for TI LP8501 LED driver.
250 It is 9 channel chip with programmable engines.
251 Driver provides direct control via LED class and interface for
252 programming the engines.
253 It is similar as LP5523, but output power selection is available.
254 And register layout and engine program schemes are different.
257 tristate "LED support for the TI LP8788 PMIC"
258 depends on LEDS_CLASS
259 depends on MFD_LP8788
261 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
264 tristate "LED support for the TI LP8860 4 channel LED driver"
265 depends on LEDS_CLASS && I2C
268 If you say yes here you get support for the TI LP8860 4 channel
270 This option enables support for the display cluster LEDs
271 on the LP8860 4 channel LED driver using the I2C communication
274 config LEDS_CLEVO_MAIL
275 tristate "Mail LED on Clevo notebook"
276 depends on LEDS_CLASS
277 depends on X86 && SERIO_I8042 && DMI
279 This driver makes the mail LED accessible from userspace
280 programs through the leds subsystem. This LED have three
281 known mode: off, blink at 0.5Hz and blink at 1Hz.
283 The driver supports two kinds of interface: using ledtrig-timer
284 or through /sys/class/leds/clevo::mail/brightness. As this LED
285 cannot change it's brightness it blinks instead. The brightness
286 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
289 This module can drive the mail LED for the following notebooks:
294 Clevo D400V/D470V (not tested, but might work)
296 Clevo M5x0N (not tested, but might work)
297 Positivo Mobile (Clevo M5x0V)
299 If your model is not listed here you can try the "nodetect"
302 To compile this driver as a module, choose M here: the
303 module will be called leds-clevo-mail.
306 tristate "LED Support for PCA955x I2C chips"
307 depends on LEDS_CLASS
310 This option enables support for LEDs connected to PCA955x
311 LED driver chips accessed via the I2C bus. Supported
312 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
315 tristate "LED support for PCA963x I2C chip"
316 depends on LEDS_CLASS
319 This option enables support for LEDs connected to the PCA963x
320 LED driver chip accessed via the I2C bus. Supported
321 devices include PCA9633 and PCA9634
323 config LEDS_WM831X_STATUS
324 tristate "LED support for status LEDs on WM831x PMICs"
325 depends on LEDS_CLASS
326 depends on MFD_WM831X
328 This option enables support for the status LEDs of the WM831x
332 tristate "LED Support for WM8350 AudioPlus PMIC"
333 depends on LEDS_CLASS
334 depends on MFD_WM8350
336 This option enables support for LEDs driven by the Wolfson
337 Microelectronics WM8350 AudioPlus PMIC.
340 tristate "LED Support for DA9030/DA9034 PMIC"
341 depends on LEDS_CLASS
342 depends on PMIC_DA903X
344 This option enables support for on-chip LED drivers found
345 on Dialog Semiconductor DA9030/DA9034 PMICs.
348 tristate "Dialog DA9052/DA9053 LEDS"
349 depends on LEDS_CLASS
350 depends on PMIC_DA9052
352 This option enables support for on-chip LED drivers found
353 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
355 config LEDS_DAC124S085
356 tristate "LED Support for DAC124S085 SPI DAC"
357 depends on LEDS_CLASS
360 This option enables support for DAC124S085 SPI DAC from NatSemi,
361 which can be used to control up to four LEDs.
364 tristate "PWM driven LED Support"
365 depends on LEDS_CLASS
368 This option enables support for pwm driven LEDs
370 config LEDS_REGULATOR
371 tristate "REGULATOR driven LED support"
372 depends on LEDS_CLASS
375 This option enables support for regulator driven LEDs.
378 tristate "LED driver for BD2802 RGB LED"
379 depends on LEDS_CLASS
382 This option enables support for BD2802GU RGB LED driver chips
383 accessed via the I2C bus.
385 config LEDS_INTEL_SS4200
386 tristate "LED driver for Intel NAS SS4200 series"
387 depends on LEDS_CLASS
388 depends on PCI && DMI
390 This option enables support for the Intel SS4200 series of
391 Network Attached Storage servers. You may control the hard
392 drive or power LEDs on the front panel. Using this driver
393 can stop the front LED from blinking after startup.
396 tristate "LED driver for LT3593 controllers"
397 depends on LEDS_CLASS
400 This option enables support for LEDs driven by a Linear Technology
401 LT3593 controller. This controller uses a special one-wire pulse
402 coding protocol to set the brightness.
405 tristate "LED Support for ADP5520/ADP5501 PMIC"
406 depends on LEDS_CLASS
407 depends on PMIC_ADP5520
409 This option enables support for on-chip LED drivers found
410 on Analog Devices ADP5520/ADP5501 PMICs.
412 To compile this driver as a module, choose M here: the module will
413 be called leds-adp5520.
415 config LEDS_DELL_NETBOOKS
416 tristate "External LED on Dell Business Netbooks"
417 depends on LEDS_CLASS
418 depends on X86 && ACPI_WMI
420 This adds support for the Latitude 2100 and similar
421 notebooks that have an external LED.
424 tristate "LED Support for MC13XXX PMIC"
425 depends on LEDS_CLASS
426 depends on MFD_MC13XXX
428 This option enable support for on-chip LED drivers found
429 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
432 tristate "LED support for Network Space v2 GPIO LEDs"
433 depends on LEDS_CLASS
434 depends on MACH_KIRKWOOD
437 This option enable support for the dual-GPIO LED found on the
438 Network Space v2 board (and parents). This include Internet Space v2,
439 Network Space (Max) v2 and d2 Network v2 boards.
442 tristate "LED support for Big Network series LEDs"
443 depends on LEDS_CLASS
444 depends on MACH_KIRKWOOD
447 This option enable support for LEDs found on the LaCie 2Big
448 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
449 controlled through a GPIO extension bus.
452 bool "LED support for the HTC ASIC3"
453 depends on LEDS_CLASS=y
457 This option enables support for the LEDs on the HTC ASIC3. The HTC
458 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
459 cannot be used. This driver supports hardware blinking with an on+off
460 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
463 tristate "LED Support for TCA6507 I2C chip"
464 depends on LEDS_CLASS && I2C
466 This option enables support for LEDs connected to TC6507
467 LED driver chips accessed via the I2C bus.
468 Driver support brightness control and hardware-assisted blinking.
471 tristate "LED support for MAX8997 PMIC"
472 depends on LEDS_CLASS && MFD_MAX8997
474 This option enables support for on-chip LED drivers on
478 tristate "LED support for LM355x Chips, LM3554 and LM3556"
479 depends on LEDS_CLASS && I2C
482 This option enables support for LEDs connected to LM355x.
483 LM355x includes Torch, Flash and Indicator functions.
486 tristate "LED support for the Bachmann OT200"
487 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
489 This option enables support for the LEDs on the Bachmann OT200.
490 Say Y to enable LEDs on the Bachmann OT200.
492 config LEDS_MENF21BMC
493 tristate "LED support for the MEN 14F021P00 BMC"
494 depends on LEDS_CLASS && MFD_MENF21BMC
496 Say Y here to include support for the MEN 14F021P00 BMC LEDs.
498 This driver can also be built as a module. If so the module
499 will be called leds-menf21bmc.
501 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
504 tristate "LED support for the BlinkM I2C RGB LED"
505 depends on LEDS_CLASS
508 This option enables support for the BlinkM RGB LED connected
509 through I2C. Say Y to enable support for the BlinkM LED.
512 bool "LED support for LEDs on system controllers"
513 depends on LEDS_CLASS=y
514 depends on MFD_SYSCON
517 This option enabled support for the LEDs on syscon type
518 devices. This will only work with device tree enabled
521 config LEDS_VERSATILE
522 tristate "LED support for the ARM Versatile and RealView"
523 depends on ARCH_REALVIEW || ARCH_VERSATILE
524 depends on LEDS_CLASS
526 This option enabled support for the LEDs on the ARM Versatile
527 and RealView boards. Say Y to enabled these.
529 config LEDS_PM8941_WLED
530 tristate "LED support for the Qualcomm PM8941 WLED block"
531 depends on LEDS_CLASS
534 This option enables support for the 'White' LED block
535 on Qualcomm PM8941 PMICs.
537 comment "LED Triggers"
538 source "drivers/leds/trigger/Kconfig"