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 "LCD Backlight driver for LM3530"
40 This option enables support for the LCD backlight using
41 LM3530 ambient light sensor chip. This ALS chip can be
42 controlled manually or using PWM input or using ambient
46 tristate "LED support for LM3533"
50 This option enables support for the LEDs on National Semiconductor /
51 TI LM3533 Lighting Power chips.
53 The LEDs can be controlled directly, through PWM input, or by the
54 ambient-light-sensor interface. The chip supports
55 hardware-accelerated blinking with maximum on and off periods of 9.8
56 and 77 seconds respectively.
59 tristate "LED support for LM3642 Chip"
60 depends on LEDS_CLASS && I2C
63 This option enables support for LEDs connected to LM3642.
64 The LM3642 is a 4MHz fixed-frequency synchronous boost
65 converter plus 1.5A constant current driver for a high-current
70 tristate "LED Support for Locomo device"
72 depends on SHARP_LOCOMO
74 This option enables support for the LEDs on Sharp Locomo.
75 Zaurus models SL-5500 and SL-5600.
77 config LEDS_MIKROTIK_RB532
78 tristate "LED Support for Mikrotik Routerboard 532"
80 depends on MIKROTIK_RB532
82 This option enables support for the so called "User LED" of
83 Mikrotik's Routerboard 532.
86 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
88 depends on ARCH_S3C24XX
90 This option enables support for LEDs connected to GPIO lines
91 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
94 tristate "LED Support for Soekris net48xx series Error LED"
96 depends on SCx200_GPIO
98 This option enables support for the Soekris net4801 and net4826 error
102 tristate "LED Support for the Freecom FSG-3"
103 depends on LEDS_CLASS
106 This option enables support for the LEDs on the Freecom FSG-3.
109 tristate "LED Support for the WRAP series LEDs"
110 depends on LEDS_CLASS
111 depends on SCx200_GPIO
113 This option enables support for the PCEngines WRAP programmable LEDs.
115 config LEDS_COBALT_QUBE
116 tristate "LED Support for the Cobalt Qube series front LED"
117 depends on LEDS_CLASS
118 depends on MIPS_COBALT
120 This option enables support for the front LED on Cobalt Qube series
122 config LEDS_COBALT_RAQ
123 bool "LED Support for the Cobalt Raq series"
124 depends on LEDS_CLASS=y && MIPS_COBALT
127 This option enables support for the Cobalt Raq series LEDs.
130 tristate "LED support for SunFire servers."
131 depends on LEDS_CLASS
135 This option enables support for the Left, Middle, and Right
136 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
139 tristate "LED Support for the HP Jornada 6xx"
140 depends on LEDS_CLASS
143 This option enables LED support for the handheld
144 HP Jornada 620/660/680/690.
147 tristate "LED driver for PCA9532 dimmer"
148 depends on LEDS_CLASS
149 depends on I2C && INPUT
151 This option enables support for NXP pca9532
152 LED controller. It is generally only useful
155 config LEDS_PCA9532_GPIO
156 bool "Enable GPIO support for PCA9532"
157 depends on LEDS_PCA9532
160 Allow unused pins on PCA9532 to be used as gpio.
162 To use a pin as gpio pca9532_type in pca9532_platform data needs to
163 set to PCA9532_TYPE_GPIO.
166 tristate "LED Support for GPIO connected LEDs"
167 depends on LEDS_CLASS
170 This option enables support for the LEDs connected to GPIO
171 outputs. To be useful the particular board must have LEDs
172 and they must be connected to the GPIO lines. The LEDs must be
173 defined as platform devices and/or OpenFirmware platform devices.
174 The code to use these bindings can be selected below.
177 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
178 depends on LEDS_CLASS
181 This option enables support for LEDs connected to the National
182 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
185 To compile this driver as a module, choose M here: the
186 module will be called leds-lp3944.
188 config LEDS_LP55XX_COMMON
189 tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
190 depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
193 This option supports common operations for LP5521/5523/55231/5562/8501
197 tristate "LED Support for N.S. LP5521 LED driver chip"
198 depends on LEDS_CLASS && I2C
199 select LEDS_LP55XX_COMMON
201 If you say yes here you get support for the National Semiconductor
202 LP5521 LED driver. It is 3 channel chip with programmable engines.
203 Driver provides direct control via LED class and interface for
204 programming the engines.
207 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
208 depends on LEDS_CLASS && I2C
209 select LEDS_LP55XX_COMMON
211 If you say yes here you get support for TI/National Semiconductor
212 LP5523/55231 LED driver.
213 It is 9 channel chip with programmable engines.
214 Driver provides direct control via LED class and interface for
215 programming the engines.
218 tristate "LED Support for TI LP5562 LED driver chip"
219 depends on LEDS_CLASS && I2C
220 select LEDS_LP55XX_COMMON
222 If you say yes here you get support for TI LP5562 LED driver.
223 It is 4 channels chip with programmable engines.
224 Driver provides direct control via LED class and interface for
225 programming the engines.
228 tristate "LED Support for TI LP8501 LED driver chip"
229 depends on LEDS_CLASS && I2C
230 select LEDS_LP55XX_COMMON
232 If you say yes here you get support for TI LP8501 LED driver.
233 It is 9 channel chip with programmable engines.
234 Driver provides direct control via LED class and interface for
235 programming the engines.
236 It is similar as LP5523, but output power selection is available.
237 And register layout and engine program schemes are different.
240 tristate "LED support for the TI LP8788 PMIC"
241 depends on LEDS_CLASS
242 depends on MFD_LP8788
244 This option enables support for the Keyboard LEDs on the LP8788 PMIC.
246 config LEDS_CLEVO_MAIL
247 tristate "Mail LED on Clevo notebook"
248 depends on LEDS_CLASS
249 depends on X86 && SERIO_I8042 && DMI
251 This driver makes the mail LED accessible from userspace
252 programs through the leds subsystem. This LED have three
253 known mode: off, blink at 0.5Hz and blink at 1Hz.
255 The driver supports two kinds of interface: using ledtrig-timer
256 or through /sys/class/leds/clevo::mail/brightness. As this LED
257 cannot change it's brightness it blinks instead. The brightness
258 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
261 This module can drive the mail LED for the following notebooks:
266 Clevo D400V/D470V (not tested, but might work)
268 Clevo M5x0N (not tested, but might work)
269 Positivo Mobile (Clevo M5x0V)
271 If your model is not listed here you can try the "nodetect"
274 To compile this driver as a module, choose M here: the
275 module will be called leds-clevo-mail.
278 tristate "LED Support for PCA955x I2C chips"
279 depends on LEDS_CLASS
282 This option enables support for LEDs connected to PCA955x
283 LED driver chips accessed via the I2C bus. Supported
284 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
287 tristate "LED support for PCA963x I2C chip"
288 depends on LEDS_CLASS
291 This option enables support for LEDs connected to the PCA963x
292 LED driver chip accessed via the I2C bus. Supported
293 devices include PCA9633 and PCA9634
295 config LEDS_WM831X_STATUS
296 tristate "LED support for status LEDs on WM831x PMICs"
297 depends on LEDS_CLASS
298 depends on MFD_WM831X
300 This option enables support for the status LEDs of the WM831x
304 tristate "LED Support for WM8350 AudioPlus PMIC"
305 depends on LEDS_CLASS
306 depends on MFD_WM8350
308 This option enables support for LEDs driven by the Wolfson
309 Microelectronics WM8350 AudioPlus PMIC.
312 tristate "LED Support for DA9030/DA9034 PMIC"
313 depends on LEDS_CLASS
314 depends on PMIC_DA903X
316 This option enables support for on-chip LED drivers found
317 on Dialog Semiconductor DA9030/DA9034 PMICs.
320 tristate "Dialog DA9052/DA9053 LEDS"
321 depends on LEDS_CLASS
322 depends on PMIC_DA9052
324 This option enables support for on-chip LED drivers found
325 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
327 config LEDS_DAC124S085
328 tristate "LED Support for DAC124S085 SPI DAC"
329 depends on LEDS_CLASS
332 This option enables support for DAC124S085 SPI DAC from NatSemi,
333 which can be used to control up to four LEDs.
336 tristate "PWM driven LED Support"
337 depends on LEDS_CLASS
340 This option enables support for pwm driven LEDs
342 config LEDS_REGULATOR
343 tristate "REGULATOR driven LED support"
344 depends on LEDS_CLASS
347 This option enables support for regulator driven LEDs.
350 tristate "LED driver for BD2802 RGB LED"
351 depends on LEDS_CLASS
354 This option enables support for BD2802GU RGB LED driver chips
355 accessed via the I2C bus.
357 config LEDS_INTEL_SS4200
358 tristate "LED driver for Intel NAS SS4200 series"
359 depends on LEDS_CLASS
360 depends on PCI && DMI
362 This option enables support for the Intel SS4200 series of
363 Network Attached Storage servers. You may control the hard
364 drive or power LEDs on the front panel. Using this driver
365 can stop the front LED from blinking after startup.
368 tristate "LED driver for LT3593 controllers"
369 depends on LEDS_CLASS
372 This option enables support for LEDs driven by a Linear Technology
373 LT3593 controller. This controller uses a special one-wire pulse
374 coding protocol to set the brightness.
377 tristate "LED Support for ADP5520/ADP5501 PMIC"
378 depends on LEDS_CLASS
379 depends on PMIC_ADP5520
381 This option enables support for on-chip LED drivers found
382 on Analog Devices ADP5520/ADP5501 PMICs.
384 To compile this driver as a module, choose M here: the module will
385 be called leds-adp5520.
387 config LEDS_DELL_NETBOOKS
388 tristate "External LED on Dell Business Netbooks"
389 depends on LEDS_CLASS
390 depends on X86 && ACPI_WMI
392 This adds support for the Latitude 2100 and similar
393 notebooks that have an external LED.
396 tristate "LED Support for MC13XXX PMIC"
397 depends on LEDS_CLASS
398 depends on MFD_MC13XXX
400 This option enable support for on-chip LED drivers found
401 on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
404 tristate "LED support for Network Space v2 GPIO LEDs"
405 depends on LEDS_CLASS
406 depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
409 This option enable support for the dual-GPIO LED found on the
410 Network Space v2 board (and parents). This include Internet Space v2,
411 Network Space (Max) v2 and d2 Network v2 boards.
414 tristate "LED support for Big Network series LEDs"
415 depends on LEDS_CLASS
416 depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
419 This option enable support for LEDs found on the LaCie 2Big
420 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
421 controlled through a GPIO extension bus.
424 bool "LED support for the HTC ASIC3"
425 depends on LEDS_CLASS=y
429 This option enables support for the LEDs on the HTC ASIC3. The HTC
430 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
431 cannot be used. This driver supports hardware blinking with an on+off
432 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
435 tristate "LED Support for TCA6507 I2C chip"
436 depends on LEDS_CLASS && I2C
438 This option enables support for LEDs connected to TC6507
439 LED driver chips accessed via the I2C bus.
440 Driver support brightness control and hardware-assisted blinking.
443 tristate "LED support for MAX8997 PMIC"
444 depends on LEDS_CLASS && MFD_MAX8997
446 This option enables support for on-chip LED drivers on
450 tristate "LED support for LM355x Chips, LM3554 and LM3556"
451 depends on LEDS_CLASS && I2C
454 This option enables support for LEDs connected to LM355x.
455 LM355x includes Torch, Flash and Indicator functions.
458 tristate "LED support for the Bachmann OT200"
459 depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
461 This option enables support for the LEDs on the Bachmann OT200.
462 Say Y to enable LEDs on the Bachmann OT200.
464 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
467 tristate "LED support for the BlinkM I2C RGB LED"
468 depends on LEDS_CLASS
471 This option enables support for the BlinkM RGB LED connected
472 through I2C. Say Y to enable support for the BlinkM LED.
474 config LEDS_VERSATILE
475 tristate "LED support for the ARM Versatile and RealView"
476 depends on ARCH_REALVIEW || ARCH_VERSATILE
477 depends on LEDS_CLASS
479 This option enabled support for the LEDs on the ARM Versatile
480 and RealView boards. Say Y to enabled these.
482 comment "LED Triggers"
483 source "drivers/leds/trigger/Kconfig"