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
303 config LEDS_WM831X_STATUS
304 tristate "LED support for status LEDs on WM831x PMICs"
305 depends on LEDS_CLASS
306 depends on MFD_WM831X
308 This option enables support for the status LEDs of the WM831x
312 tristate "LED Support for WM8350 AudioPlus PMIC"
313 depends on LEDS_CLASS
314 depends on MFD_WM8350
316 This option enables support for LEDs driven by the Wolfson
317 Microelectronics WM8350 AudioPlus PMIC.
320 tristate "LED Support for DA9030/DA9034 PMIC"
321 depends on LEDS_CLASS
322 depends on PMIC_DA903X
324 This option enables support for on-chip LED drivers found
325 on Dialog Semiconductor DA9030/DA9034 PMICs.
328 tristate "Dialog DA9052/DA9053 LEDS"
329 depends on LEDS_CLASS
330 depends on PMIC_DA9052
332 This option enables support for on-chip LED drivers found
333 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
335 config LEDS_DAC124S085
336 tristate "LED Support for DAC124S085 SPI DAC"
337 depends on LEDS_CLASS
340 This option enables support for DAC124S085 SPI DAC from NatSemi,
341 which can be used to control up to four LEDs.
344 tristate "PWM driven LED Support"
345 depends on LEDS_CLASS
348 This option enables support for pwm driven LEDs
350 config LEDS_REGULATOR
351 tristate "REGULATOR driven LED support"
352 depends on LEDS_CLASS
355 This option enables support for regulator driven LEDs.
358 tristate "LED driver for BD2802 RGB LED"
359 depends on LEDS_CLASS
362 This option enables support for BD2802GU RGB LED driver chips
363 accessed via the I2C bus.
365 config LEDS_INTEL_SS4200
366 tristate "LED driver for Intel NAS SS4200 series"
367 depends on LEDS_CLASS
368 depends on PCI && DMI
370 This option enables support for the Intel SS4200 series of
371 Network Attached Storage servers. You may control the hard
372 drive or power LEDs on the front panel. Using this driver
373 can stop the front LED from blinking after startup.
376 tristate "LED driver for LT3593 controllers"
377 depends on LEDS_CLASS
380 This option enables support for LEDs driven by a Linear Technology
381 LT3593 controller. This controller uses a special one-wire pulse
382 coding protocol to set the brightness.
385 tristate "LED Support for ADP5520/ADP5501 PMIC"
386 depends on LEDS_CLASS
387 depends on PMIC_ADP5520
389 This option enables support for on-chip LED drivers found
390 on Analog Devices ADP5520/ADP5501 PMICs.
392 To compile this driver as a module, choose M here: the module will
393 be called leds-adp5520.
395 config LEDS_DELL_NETBOOKS
396 tristate "External LED on Dell Business Netbooks"
397 depends on LEDS_CLASS
398 depends on X86 && ACPI_WMI
400 This adds support for the Latitude 2100 and similar
401 notebooks that have an external LED.
404 tristate "LED Support for MC13XXX PMIC"
405 depends on LEDS_CLASS
406 depends on MFD_MC13XXX
408 This option enable support for on-chip LED drivers found
409 on Freescale Semiconductor MC13783/MC13892 PMIC.
412 tristate "LED support for Network Space v2 GPIO LEDs"
413 depends on LEDS_CLASS
414 depends on ARCH_KIRKWOOD
417 This option enable support for the dual-GPIO LED found on the
418 Network Space v2 board (and parents). This include Internet Space v2,
419 Network Space (Max) v2 and d2 Network v2 boards.
422 tristate "LED support for Big Network series LEDs"
423 depends on LEDS_CLASS
424 depends on ARCH_KIRKWOOD
427 This option enable support for LEDs found on the LaCie 2Big
428 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
429 controlled through a GPIO extension bus.
432 bool "LED support for the HTC ASIC3"
433 depends on LEDS_CLASS=y
437 This option enables support for the LEDs on the HTC ASIC3. The HTC
438 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
439 cannot be used. This driver supports hardware blinking with an on+off
440 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
443 tristate "LED Support for TCA6507 I2C chip"
444 depends on LEDS_CLASS && I2C
446 This option enables support for LEDs connected to TC6507
447 LED driver chips accessed via the I2C bus.
448 Driver support brightness control and hardware-assisted blinking.
451 tristate "LED support for MAX8997 PMIC"
452 depends on LEDS_CLASS && MFD_MAX8997
454 This option enables support for on-chip LED drivers on
458 tristate "LED support for LM355x Chips, LM3554 and LM3556"
459 depends on LEDS_CLASS && I2C
462 This option enables support for LEDs connected to LM355x.
463 LM355x includes Torch, Flash and Indicator functions.
466 tristate "LED support for the Bachmann OT200"
467 depends on LEDS_CLASS && HAS_IOMEM
469 This option enables support for the LEDs on the Bachmann OT200.
470 Say Y to enable LEDs on the Bachmann OT200.
473 tristate "LED support for the BlinkM I2C RGB LED"
474 depends on LEDS_CLASS
477 This option enables support for the BlinkM RGB LED connected
478 through I2C. Say Y to enable support for the BlinkM LED.
480 comment "LED Triggers"
481 source "drivers/leds/trigger/Kconfig"