1 config LEDS_GPIO_REGISTER
2 bool
3 help
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
6 module.
8 menuconfig NEW_LEDS
9 bool "LED Support"
10 help
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
15 via the input system.
17 if NEW_LEDS
19 config LEDS_CLASS
20 tristate "LED Class Support"
21 help
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 comment "LED drivers"
27 config LEDS_88PM860X
28 tristate "LED Support for Marvell 88PM860x PMIC"
29 depends on LEDS_CLASS
30 depends on MFD_88PM860X
31 help
32 This option enables support for on-chip LED drivers found on Marvell
33 Semiconductor 88PM8606 PMIC.
35 config LEDS_ATMEL_PWM
36 tristate "LED Support using Atmel PWM outputs"
37 depends on LEDS_CLASS
38 depends on ATMEL_PWM
39 help
40 This option enables support for LEDs driven using outputs
41 of the dedicated PWM controller found on newer Atmel SOCs.
43 config LEDS_LM3530
44 tristate "LCD Backlight driver for LM3530"
45 depends on LEDS_CLASS
46 depends on I2C
47 help
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
51 light automatically.
53 config LEDS_LM3533
54 tristate "LED support for LM3533"
55 depends on LEDS_CLASS
56 depends on MFD_LM3533
57 help
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.
66 config LEDS_LM3642
67 tristate "LED support for LM3642 Chip"
68 depends on LEDS_CLASS && I2C
69 select REGMAP_I2C
70 help
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
74 white LED.
76 config LEDS_LM3643
77 tristate "LED support for LM3643 Chip"
78 depends on LEDS_CLASS && I2C
79 select REGMAP_I2C
80 help
81 This option enables support for LEDs connected to LM3643.
82 The LM3642 is a dual led flash driver.
84 config LEDS_LOCOMO
85 tristate "LED Support for Locomo device"
86 depends on LEDS_CLASS
87 depends on SHARP_LOCOMO
88 help
89 This option enables support for the LEDs on Sharp Locomo.
90 Zaurus models SL-5500 and SL-5600.
92 config LEDS_MIKROTIK_RB532
93 tristate "LED Support for Mikrotik Routerboard 532"
94 depends on LEDS_CLASS
95 depends on MIKROTIK_RB532
96 help
97 This option enables support for the so called "User LED" of
98 Mikrotik's Routerboard 532.
100 config LEDS_S3C24XX
101 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
102 depends on LEDS_CLASS
103 depends on ARCH_S3C24XX
104 help
105 This option enables support for LEDs connected to GPIO lines
106 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
108 config LEDS_NET48XX
109 tristate "LED Support for Soekris net48xx series Error LED"
110 depends on LEDS_CLASS
111 depends on SCx200_GPIO
112 help
113 This option enables support for the Soekris net4801 and net4826 error
114 LED.
116 config LEDS_FSG
117 tristate "LED Support for the Freecom FSG-3"
118 depends on LEDS_CLASS
119 depends on MACH_FSG
120 help
121 This option enables support for the LEDs on the Freecom FSG-3.
123 config LEDS_WRAP
124 tristate "LED Support for the WRAP series LEDs"
125 depends on LEDS_CLASS
126 depends on SCx200_GPIO
127 help
128 This option enables support for the PCEngines WRAP programmable LEDs.
130 config LEDS_COBALT_QUBE
131 tristate "LED Support for the Cobalt Qube series front LED"
132 depends on LEDS_CLASS
133 depends on MIPS_COBALT
134 help
135 This option enables support for the front LED on Cobalt Qube series
137 config LEDS_COBALT_RAQ
138 bool "LED Support for the Cobalt Raq series"
139 depends on LEDS_CLASS=y && MIPS_COBALT
140 select LEDS_TRIGGERS
141 help
142 This option enables support for the Cobalt Raq series LEDs.
144 config LEDS_SUNFIRE
145 tristate "LED support for SunFire servers."
146 depends on LEDS_CLASS
147 depends on SPARC64
148 select LEDS_TRIGGERS
149 help
150 This option enables support for the Left, Middle, and Right
151 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
153 config LEDS_HP6XX
154 tristate "LED Support for the HP Jornada 6xx"
155 depends on LEDS_CLASS
156 depends on SH_HP6XX
157 help
158 This option enables LED support for the handheld
159 HP Jornada 620/660/680/690.
161 config LEDS_PCA9532
162 tristate "LED driver for PCA9532 dimmer"
163 depends on LEDS_CLASS
164 depends on I2C && INPUT
165 help
166 This option enables support for NXP pca9532
167 LED controller. It is generally only useful
168 as a platform driver
170 config LEDS_PCA9532_GPIO
171 bool "Enable GPIO support for PCA9532"
172 depends on LEDS_PCA9532
173 depends on GPIOLIB
174 help
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.
180 config LEDS_GPIO
181 tristate "LED Support for GPIO connected LEDs"
182 depends on LEDS_CLASS
183 depends on GPIOLIB
184 help
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.
191 config LEDS_LP3944
192 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
193 depends on LEDS_CLASS
194 depends on I2C
195 help
196 This option enables support for LEDs connected to the National
197 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
198 Fun Light Chip.
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
206 select FW_LOADER
207 help
208 This option supports common operations for LP5521/5523/55231/5562/8501
209 devices.
211 config LEDS_LP5521
212 tristate "LED Support for N.S. LP5521 LED driver chip"
213 depends on LEDS_CLASS && I2C
214 select LEDS_LP55XX_COMMON
215 help
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.
221 config LEDS_LP5523
222 tristate "LED Support for TI/National LP5523/55231 LED driver chip"
223 depends on LEDS_CLASS && I2C
224 select LEDS_LP55XX_COMMON
225 help
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.
232 config LEDS_LP5562
233 tristate "LED Support for TI LP5562 LED driver chip"
234 depends on LEDS_CLASS && I2C
235 select LEDS_LP55XX_COMMON
236 help
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.
242 config LEDS_LP8501
243 tristate "LED Support for TI LP8501 LED driver chip"
244 depends on LEDS_CLASS && I2C
245 select LEDS_LP55XX_COMMON
246 help
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.
254 config LEDS_LP8788
255 tristate "LED support for the TI LP8788 PMIC"
256 depends on LEDS_CLASS
257 depends on MFD_LP8788
258 help
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
265 help
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
274 blink at 1Hz.
276 This module can drive the mail LED for the following notebooks:
278 Clevo D400P
279 Clevo D410J
280 Clevo D410V
281 Clevo D400V/D470V (not tested, but might work)
282 Clevo M540N
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"
287 module parameter.
289 To compile this driver as a module, choose M here: the
290 module will be called leds-clevo-mail.
292 config LEDS_PCA955X
293 tristate "LED Support for PCA955x I2C chips"
294 depends on LEDS_CLASS
295 depends on I2C
296 help
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.
301 config LEDS_PCA963X
302 tristate "LED support for PCA963x I2C chip"
303 depends on LEDS_CLASS
304 depends on I2C
305 help
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_PCA9685
311 tristate "LED support for PCA9685 I2C chip"
312 depends on LEDS_CLASS
313 depends on I2C
314 help
315 This option enables support for LEDs connected to the PCA9685
316 LED driver chip accessed via the I2C bus.
317 The PCA9685 offers 12-bit PWM (4095 levels of brightness) on
318 16 individual channels.
320 config LEDS_WM831X_STATUS
321 tristate "LED support for status LEDs on WM831x PMICs"
322 depends on LEDS_CLASS
323 depends on MFD_WM831X
324 help
325 This option enables support for the status LEDs of the WM831x
326 series of PMICs.
328 config LEDS_WM8350
329 tristate "LED Support for WM8350 AudioPlus PMIC"
330 depends on LEDS_CLASS
331 depends on MFD_WM8350
332 help
333 This option enables support for LEDs driven by the Wolfson
334 Microelectronics WM8350 AudioPlus PMIC.
336 config LEDS_DA903X
337 tristate "LED Support for DA9030/DA9034 PMIC"
338 depends on LEDS_CLASS
339 depends on PMIC_DA903X
340 help
341 This option enables support for on-chip LED drivers found
342 on Dialog Semiconductor DA9030/DA9034 PMICs.
344 config LEDS_DA9052
345 tristate "Dialog DA9052/DA9053 LEDS"
346 depends on LEDS_CLASS
347 depends on PMIC_DA9052
348 help
349 This option enables support for on-chip LED drivers found
350 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
352 config LEDS_DAC124S085
353 tristate "LED Support for DAC124S085 SPI DAC"
354 depends on LEDS_CLASS
355 depends on SPI
356 help
357 This option enables support for DAC124S085 SPI DAC from NatSemi,
358 which can be used to control up to four LEDs.
360 config LEDS_PWM
361 tristate "PWM driven LED Support"
362 depends on LEDS_CLASS
363 depends on PWM
364 help
365 This option enables support for pwm driven LEDs
367 config LEDS_REGULATOR
368 tristate "REGULATOR driven LED support"
369 depends on LEDS_CLASS
370 depends on REGULATOR
371 help
372 This option enables support for regulator driven LEDs.
374 config LEDS_BD2802
375 tristate "LED driver for BD2802 RGB LED"
376 depends on LEDS_CLASS
377 depends on I2C
378 help
379 This option enables support for BD2802GU RGB LED driver chips
380 accessed via the I2C bus.
382 config LEDS_INTEL_SS4200
383 tristate "LED driver for Intel NAS SS4200 series"
384 depends on LEDS_CLASS
385 depends on PCI && DMI
386 help
387 This option enables support for the Intel SS4200 series of
388 Network Attached Storage servers. You may control the hard
389 drive or power LEDs on the front panel. Using this driver
390 can stop the front LED from blinking after startup.
392 config LEDS_LT3593
393 tristate "LED driver for LT3593 controllers"
394 depends on LEDS_CLASS
395 depends on GPIOLIB
396 help
397 This option enables support for LEDs driven by a Linear Technology
398 LT3593 controller. This controller uses a special one-wire pulse
399 coding protocol to set the brightness.
401 config LEDS_ADP5520
402 tristate "LED Support for ADP5520/ADP5501 PMIC"
403 depends on LEDS_CLASS
404 depends on PMIC_ADP5520
405 help
406 This option enables support for on-chip LED drivers found
407 on Analog Devices ADP5520/ADP5501 PMICs.
409 To compile this driver as a module, choose M here: the module will
410 be called leds-adp5520.
412 config LEDS_DELL_NETBOOKS
413 tristate "External LED on Dell Business Netbooks"
414 depends on LEDS_CLASS
415 depends on X86 && ACPI_WMI
416 help
417 This adds support for the Latitude 2100 and similar
418 notebooks that have an external LED.
420 config LEDS_MC13783
421 tristate "LED Support for MC13XXX PMIC"
422 depends on LEDS_CLASS
423 depends on MFD_MC13XXX
424 help
425 This option enable support for on-chip LED drivers found
426 on Freescale Semiconductor MC13783/MC13892 PMIC.
428 config LEDS_NS2
429 tristate "LED support for Network Space v2 GPIO LEDs"
430 depends on LEDS_CLASS
431 depends on ARCH_KIRKWOOD
432 default y
433 help
434 This option enable support for the dual-GPIO LED found on the
435 Network Space v2 board (and parents). This include Internet Space v2,
436 Network Space (Max) v2 and d2 Network v2 boards.
438 config LEDS_NETXBIG
439 tristate "LED support for Big Network series LEDs"
440 depends on LEDS_CLASS
441 depends on ARCH_KIRKWOOD
442 default y
443 help
444 This option enable support for LEDs found on the LaCie 2Big
445 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
446 controlled through a GPIO extension bus.
448 config LEDS_ASIC3
449 bool "LED support for the HTC ASIC3"
450 depends on LEDS_CLASS=y
451 depends on MFD_ASIC3
452 default y
453 help
454 This option enables support for the LEDs on the HTC ASIC3. The HTC
455 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
456 cannot be used. This driver supports hardware blinking with an on+off
457 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
459 config LEDS_TCA6507
460 tristate "LED Support for TCA6507 I2C chip"
461 depends on LEDS_CLASS && I2C
462 help
463 This option enables support for LEDs connected to TC6507
464 LED driver chips accessed via the I2C bus.
465 Driver support brightness control and hardware-assisted blinking.
467 config LEDS_MAX8997
468 tristate "LED support for MAX8997 PMIC"
469 depends on LEDS_CLASS && MFD_MAX8997
470 help
471 This option enables support for on-chip LED drivers on
472 MAXIM MAX8997 PMIC.
474 config LEDS_LM355x
475 tristate "LED support for LM355x Chips, LM3554 and LM3556"
476 depends on LEDS_CLASS && I2C
477 select REGMAP_I2C
478 help
479 This option enables support for LEDs connected to LM355x.
480 LM355x includes Torch, Flash and Indicator functions.
482 config LEDS_LM3646
483 tristate "LED support for LM3646 Chip"
484 depends on LEDS_CLASS && I2C
485 select REGMAP_I2C
486 help
487 This option enables support for LEDs connected to LM3646.
488 LM3646 includes dual Torch and Flash functions.
490 config LEDS_OT200
491 tristate "LED support for the Bachmann OT200"
492 depends on LEDS_CLASS && HAS_IOMEM
493 help
494 This option enables support for the LEDs on the Bachmann OT200.
495 Say Y to enable LEDs on the Bachmann OT200.
497 config LEDS_BLINKM
498 tristate "LED support for the BlinkM I2C RGB LED"
499 depends on LEDS_CLASS
500 depends on I2C
501 help
502 This option enables support for the BlinkM RGB LED connected
503 through I2C. Say Y to enable support for the BlinkM LED.
505 comment "LED Triggers"
506 source "drivers/leds/trigger/Kconfig"
508 endif # NEW_LEDS