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.
147 tristate "LED Support for the HP Jornada 6xx"
148 depends on LEDS_CLASS
151 This option enables LED support for the handheld
152 HP Jornada 620/660/680/690.
155 tristate "LED driver for PCA9532 dimmer"
156 depends on LEDS_CLASS
157 depends on I2C && INPUT
159 This option enables support for NXP pca9532
160 LED controller. It is generally only useful
163 config LEDS_PCA9532_GPIO
164 bool "Enable GPIO support for PCA9532"
165 depends on LEDS_PCA9532
168 Allow unused pins on PCA9532 to be used as gpio.
170 To use a pin as gpio pca9532_type in pca9532_platform data needs to
171 set to PCA9532_TYPE_GPIO.
174 tristate "LED Support for GPIO connected LEDs"
175 depends on LEDS_CLASS
178 This option enables support for the LEDs connected to GPIO
179 outputs. To be useful the particular board must have LEDs
180 and they must be connected to the GPIO lines. The LEDs must be
181 defined as platform devices and/or OpenFirmware platform devices.
182 The code to use these bindings can be selected below.
185 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
186 depends on LEDS_CLASS
189 This option enables support for LEDs connected to the National
190 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
193 To compile this driver as a module, choose M here: the
194 module will be called leds-lp3944.
196 config LEDS_LP55XX_COMMON
197 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
198 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
201 This option supports common operations for LP5521/5523/55231/5562/8501
205 tristate "LED Support for N.S. LP5521 LED driver chip"
206 depends on LEDS_CLASS && I2C
207 select LEDS_LP55XX_COMMON
209 If you say yes here you get support for the National Semiconductor
210 LP5521 LED driver. It is 3 channel chip with programmable engines.
211 Driver provides direct control via LED class and interface for
212 programming the engines.
215 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
216 depends on LEDS_CLASS && I2C
217 select LEDS_LP55XX_COMMON
219 If you say yes here you get support for TI/National Semiconductor
220 LP5523/55231 LED driver.
221 It is 9 channel chip with programmable engines.
222 Driver provides direct control via LED class and interface for
223 programming the engines.
226 tristate "LED Support for TI LP5562 LED driver chip"
227 depends on LEDS_CLASS && I2C
228 select LEDS_LP55XX_COMMON
230 If you say yes here you get support for TI LP5562 LED driver.
231 It is 4 channels chip with programmable engines.
232 Driver provides direct control via LED class and interface for
233 programming the engines.
236 tristate "LED Support for TI LP8501 LED driver chip"
237 depends on LEDS_CLASS && I2C
238 select LEDS_LP55XX_COMMON
240 If you say yes here you get support for TI LP8501 LED driver.
241 It is 9 channel chip with programmable engines.
242 Driver provides direct control via LED class and interface for
243 programming the engines.
244 It is similar as LP5523, but output power selection is available.
245 And register layout and engine program schemes are different.
248 tristate "LED support for the TI LP8788 PMIC"
249 depends on LEDS_CLASS
250 depends on MFD_LP8788
252 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
254 config LEDS_CLEVO_MAIL
255 tristate "Mail LED on Clevo notebook"
256 depends on LEDS_CLASS
257 depends on X86 && SERIO_I8042 && DMI
259 This driver makes the mail LED accessible from userspace
260 programs through the leds subsystem. This LED have three
261 known mode: off, blink at 0.5Hz and blink at 1Hz.
263 The driver supports two kinds of interface: using ledtrig-timer
264 or through /sys/class/leds/clevo::mail/brightness. As this LED
265 cannot change it's brightness it blinks instead. The brightness
266 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
269 This module can drive the mail LED for the following notebooks:
274 Clevo D400V/D470V (not tested, but might work)
276 Clevo M5x0N (not tested, but might work)
277 Positivo Mobile (Clevo M5x0V)
279 If your model is not listed here you can try the "nodetect"
282 To compile this driver as a module, choose M here: the
283 module will be called leds-clevo-mail.
286 tristate "LED Support for PCA955x I2C chips"
287 depends on LEDS_CLASS
290 This option enables support for LEDs connected to PCA955x
291 LED driver chips accessed via the I2C bus. Supported
292 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
295 tristate "LED support for PCA963x I2C chip"
296 depends on LEDS_CLASS
299 This option enables support for LEDs connected to the PCA963x
300 LED driver chip accessed via the I2C bus. Supported
301 devices include PCA9633 and PCA9634
304 tristate "LED support for PCA9685 I2C chip"
305 depends on LEDS_CLASS
308 This option enables support for LEDs connected to the PCA9685
309 LED driver chip accessed via the I2C bus.
310 The PCA9685 offers 12-bit PWM (4095 levels of brightness) on
311 16 individual channels.
313 config LEDS_WM831X_STATUS
314 tristate "LED support for status LEDs on WM831x PMICs"
315 depends on LEDS_CLASS
316 depends on MFD_WM831X
318 This option enables support for the status LEDs of the WM831x
322 tristate "LED Support for WM8350 AudioPlus PMIC"
323 depends on LEDS_CLASS
324 depends on MFD_WM8350
326 This option enables support for LEDs driven by the Wolfson
327 Microelectronics WM8350 AudioPlus PMIC.
330 tristate "LED Support for DA9030/DA9034 PMIC"
331 depends on LEDS_CLASS
332 depends on PMIC_DA903X
334 This option enables support for on-chip LED drivers found
335 on Dialog Semiconductor DA9030/DA9034 PMICs.
338 tristate "Dialog DA9052/DA9053 LEDS"
339 depends on LEDS_CLASS
340 depends on PMIC_DA9052
342 This option enables support for on-chip LED drivers found
343 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
345 config LEDS_DAC124S085
346 tristate "LED Support for DAC124S085 SPI DAC"
347 depends on LEDS_CLASS
350 This option enables support for DAC124S085 SPI DAC from NatSemi,
351 which can be used to control up to four LEDs.
354 tristate "PWM driven LED Support"
355 depends on LEDS_CLASS
358 This option enables support for pwm driven LEDs
360 config LEDS_REGULATOR
361 tristate "REGULATOR driven LED support"
362 depends on LEDS_CLASS
365 This option enables support for regulator driven LEDs.
368 tristate "LED driver for BD2802 RGB LED"
369 depends on LEDS_CLASS
372 This option enables support for BD2802GU RGB LED driver chips
373 accessed via the I2C bus.
375 config LEDS_INTEL_SS4200
376 tristate "LED driver for Intel NAS SS4200 series"
377 depends on LEDS_CLASS
378 depends on PCI && DMI
380 This option enables support for the Intel SS4200 series of
381 Network Attached Storage servers. You may control the hard
382 drive or power LEDs on the front panel. Using this driver
383 can stop the front LED from blinking after startup.
386 tristate "LED driver for LT3593 controllers"
387 depends on LEDS_CLASS
390 This option enables support for LEDs driven by a Linear Technology
391 LT3593 controller. This controller uses a special one-wire pulse
392 coding protocol to set the brightness.
395 tristate "LED Support for ADP5520/ADP5501 PMIC"
396 depends on LEDS_CLASS
397 depends on PMIC_ADP5520
399 This option enables support for on-chip LED drivers found
400 on Analog Devices ADP5520/ADP5501 PMICs.
402 To compile this driver as a module, choose M here: the module will
403 be called leds-adp5520.
405 config LEDS_DELL_NETBOOKS
406 tristate "External LED on Dell Business Netbooks"
407 depends on LEDS_CLASS
408 depends on X86 && ACPI_WMI
410 This adds support for the Latitude 2100 and similar
411 notebooks that have an external LED.
414 tristate "LED Support for MC13XXX PMIC"
415 depends on LEDS_CLASS
416 depends on MFD_MC13XXX
418 This option enable support for on-chip LED drivers found
419 on Freescale Semiconductor MC13783/MC13892 PMIC.
422 tristate "LED support for Network Space v2 GPIO LEDs"
423 depends on LEDS_CLASS
424 depends on ARCH_KIRKWOOD
427 This option enable support for the dual-GPIO LED found on the
428 Network Space v2 board (and parents). This include Internet Space v2,
429 Network Space (Max) v2 and d2 Network v2 boards.
432 tristate "LED support for Big Network series LEDs"
433 depends on LEDS_CLASS
434 depends on ARCH_KIRKWOOD
437 This option enable support for LEDs found on the LaCie 2Big
438 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
439 controlled through a GPIO extension bus.
442 bool "LED support for the HTC ASIC3"
443 depends on LEDS_CLASS=y
447 This option enables support for the LEDs on the HTC ASIC3. The HTC
448 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
449 cannot be used. This driver supports hardware blinking with an on+off
450 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
453 tristate "LED Support for TCA6507 I2C chip"
454 depends on LEDS_CLASS && I2C
456 This option enables support for LEDs connected to TC6507
457 LED driver chips accessed via the I2C bus.
458 Driver support brightness control and hardware-assisted blinking.
461 tristate "LED support for MAX8997 PMIC"
462 depends on LEDS_CLASS && MFD_MAX8997
464 This option enables support for on-chip LED drivers on
468 tristate "LED support for LM355x Chips, LM3554 and LM3556"
469 depends on LEDS_CLASS && I2C
472 This option enables support for LEDs connected to LM355x.
473 LM355x includes Torch, Flash and Indicator functions.
476 tristate "LED support for the Bachmann OT200"
477 depends on LEDS_CLASS && HAS_IOMEM
479 This option enables support for the LEDs on the Bachmann OT200.
480 Say Y to enable LEDs on the Bachmann OT200.
483 tristate "LED support for the BlinkM I2C RGB LED"
484 depends on LEDS_CLASS
487 This option enables support for the BlinkM RGB LED connected
488 through I2C. Say Y to enable support for the BlinkM LED.
490 comment "LED Triggers"
491 source "drivers/leds/trigger/Kconfig"