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Linux/drivers/leds/Kconfig

  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.
  7 
  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).
 13 
 14           This is not related to standard keyboard LEDs which are controlled
 15           via the input system.
 16 
 17 if NEW_LEDS
 18 
 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.
 24 
 25 comment "LED drivers"
 26 
 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.
 34 
 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.
 42 
 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.
 52 
 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.
 60 
 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.
 65 
 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.
 75 
 76 
 77 config LEDS_LOCOMO
 78         tristate "LED Support for Locomo device"
 79         depends on LEDS_CLASS
 80         depends on SHARP_LOCOMO
 81         help
 82           This option enables support for the LEDs on Sharp Locomo.
 83           Zaurus models SL-5500 and SL-5600.
 84 
 85 config LEDS_MIKROTIK_RB532
 86         tristate "LED Support for Mikrotik Routerboard 532"
 87         depends on LEDS_CLASS
 88         depends on MIKROTIK_RB532
 89         help
 90           This option enables support for the so called "User LED" of
 91           Mikrotik's Routerboard 532.
 92 
 93 config LEDS_S3C24XX
 94         tristate "LED Support for Samsung S3C24XX GPIO LEDs"
 95         depends on LEDS_CLASS
 96         depends on ARCH_S3C24XX
 97         help
 98           This option enables support for LEDs connected to GPIO lines
 99           on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
100 
101 config LEDS_NET48XX
102         tristate "LED Support for Soekris net48xx series Error LED"
103         depends on LEDS_CLASS
104         depends on SCx200_GPIO
105         help
106           This option enables support for the Soekris net4801 and net4826 error
107           LED.
108 
109 config LEDS_FSG
110         tristate "LED Support for the Freecom FSG-3"
111         depends on LEDS_CLASS
112         depends on MACH_FSG
113         help
114           This option enables support for the LEDs on the Freecom FSG-3.
115 
116 config LEDS_WRAP
117         tristate "LED Support for the WRAP series LEDs"
118         depends on LEDS_CLASS
119         depends on SCx200_GPIO
120         help
121           This option enables support for the PCEngines WRAP programmable LEDs.
122 
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
127         help
128           This option enables support for the front LED on Cobalt Qube series
129 
130 config LEDS_COBALT_RAQ
131         bool "LED Support for the Cobalt Raq series"
132         depends on LEDS_CLASS=y && MIPS_COBALT
133         select LEDS_TRIGGERS
134         help
135           This option enables support for the Cobalt Raq series LEDs.
136 
137 config LEDS_SUNFIRE
138         tristate "LED support for SunFire servers."
139         depends on LEDS_CLASS
140         depends on SPARC64
141         select LEDS_TRIGGERS
142         help
143           This option enables support for the Left, Middle, and Right
144           LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
145 
146 config LEDS_HP6XX
147         tristate "LED Support for the HP Jornada 6xx"
148         depends on LEDS_CLASS
149         depends on SH_HP6XX
150         help
151           This option enables LED support for the handheld
152           HP Jornada 620/660/680/690.
153 
154 config LEDS_PCA9532
155         tristate "LED driver for PCA9532 dimmer"
156         depends on LEDS_CLASS
157         depends on I2C && INPUT
158         help
159           This option enables support for NXP pca9532
160           LED controller. It is generally only useful
161           as a platform driver
162 
163 config LEDS_PCA9532_GPIO
164         bool "Enable GPIO support for PCA9532"
165         depends on LEDS_PCA9532
166         depends on GPIOLIB
167         help
168           Allow unused pins on PCA9532 to be used as gpio.
169 
170           To use a pin as gpio pca9532_type in pca9532_platform data needs to
171           set to PCA9532_TYPE_GPIO.
172 
173 config LEDS_GPIO
174         tristate "LED Support for GPIO connected LEDs"
175         depends on LEDS_CLASS
176         depends on GPIOLIB
177         help
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.
183 
184 config LEDS_LP3944
185         tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
186         depends on LEDS_CLASS
187         depends on I2C
188         help
189           This option enables support for LEDs connected to the National
190           Semiconductor LP3944 Lighting Management Unit (LMU) also known as
191           Fun Light Chip.
192 
193           To compile this driver as a module, choose M here: the
194           module will be called leds-lp3944.
195 
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
199         select FW_LOADER
200         help
201           This option supports common operations for LP5521/5523/55231/5562/8501
202           devices.
203 
204 config LEDS_LP5521
205         tristate "LED Support for N.S. LP5521 LED driver chip"
206         depends on LEDS_CLASS && I2C
207         select LEDS_LP55XX_COMMON
208         help
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.
213 
214 config LEDS_LP5523
215         tristate "LED Support for TI/National LP5523/55231 LED driver chip"
216         depends on LEDS_CLASS && I2C
217         select LEDS_LP55XX_COMMON
218         help
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.
224 
225 config LEDS_LP5562
226         tristate "LED Support for TI LP5562 LED driver chip"
227         depends on LEDS_CLASS && I2C
228         select LEDS_LP55XX_COMMON
229         help
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.
234 
235 config LEDS_LP8501
236         tristate "LED Support for TI LP8501 LED driver chip"
237         depends on LEDS_CLASS && I2C
238         select LEDS_LP55XX_COMMON
239         help
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.
246 
247 config LEDS_LP8788
248         tristate "LED support for the TI LP8788 PMIC"
249         depends on LEDS_CLASS
250         depends on MFD_LP8788
251         help
252           This option enables support for the Keyboard LEDs on the LP8788 PMIC.
253 
254 config LEDS_CLEVO_MAIL
255         tristate "Mail LED on Clevo notebook"
256         depends on LEDS_CLASS
257         depends on X86 && SERIO_I8042 && DMI
258         help
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.
262 
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
267           blink at 1Hz.
268 
269           This module can drive the mail LED for the following notebooks:
270 
271                 Clevo D400P
272                 Clevo D410J
273                 Clevo D410V
274                 Clevo D400V/D470V (not tested, but might work)
275                 Clevo M540N
276                 Clevo M5x0N (not tested, but might work)
277                 Positivo Mobile (Clevo M5x0V)
278 
279           If your model is not listed here you can try the "nodetect"
280           module parameter.
281 
282           To compile this driver as a module, choose M here: the
283           module will be called leds-clevo-mail.
284 
285 config LEDS_PCA955X
286         tristate "LED Support for PCA955x I2C chips"
287         depends on LEDS_CLASS
288         depends on I2C
289         help
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.
293 
294 config LEDS_PCA963X
295         tristate "LED support for PCA963x I2C chip"
296         depends on LEDS_CLASS
297         depends on I2C
298         help
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
302 
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
307         help
308           This option enables support for the status LEDs of the WM831x
309           series of PMICs.
310 
311 config LEDS_WM8350
312         tristate "LED Support for WM8350 AudioPlus PMIC"
313         depends on LEDS_CLASS
314         depends on MFD_WM8350
315         help
316           This option enables support for LEDs driven by the Wolfson
317           Microelectronics WM8350 AudioPlus PMIC.
318 
319 config LEDS_DA903X
320         tristate "LED Support for DA9030/DA9034 PMIC"
321         depends on LEDS_CLASS
322         depends on PMIC_DA903X
323         help
324           This option enables support for on-chip LED drivers found
325           on Dialog Semiconductor DA9030/DA9034 PMICs.
326 
327 config LEDS_DA9052
328         tristate "Dialog DA9052/DA9053 LEDS"
329         depends on LEDS_CLASS
330         depends on PMIC_DA9052
331         help
332           This option enables support for on-chip LED drivers found
333           on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
334 
335 config LEDS_DAC124S085
336         tristate "LED Support for DAC124S085 SPI DAC"
337         depends on LEDS_CLASS
338         depends on SPI
339         help
340           This option enables support for DAC124S085 SPI DAC from NatSemi,
341           which can be used to control up to four LEDs.
342 
343 config LEDS_PWM
344         tristate "PWM driven LED Support"
345         depends on LEDS_CLASS
346         depends on PWM
347         help
348           This option enables support for pwm driven LEDs
349 
350 config LEDS_REGULATOR
351         tristate "REGULATOR driven LED support"
352         depends on LEDS_CLASS
353         depends on REGULATOR
354         help
355           This option enables support for regulator driven LEDs.
356 
357 config LEDS_BD2802
358         tristate "LED driver for BD2802 RGB LED"
359         depends on LEDS_CLASS
360         depends on I2C
361         help
362           This option enables support for BD2802GU RGB LED driver chips
363           accessed via the I2C bus.
364 
365 config LEDS_INTEL_SS4200
366         tristate "LED driver for Intel NAS SS4200 series"
367         depends on LEDS_CLASS
368         depends on PCI && DMI
369         help
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.
374 
375 config LEDS_LT3593
376         tristate "LED driver for LT3593 controllers"
377         depends on LEDS_CLASS
378         depends on GPIOLIB
379         help
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.
383 
384 config LEDS_ADP5520
385         tristate "LED Support for ADP5520/ADP5501 PMIC"
386         depends on LEDS_CLASS
387         depends on PMIC_ADP5520
388         help
389           This option enables support for on-chip LED drivers found
390           on Analog Devices ADP5520/ADP5501 PMICs.
391 
392           To compile this driver as a module, choose M here: the module will
393           be called leds-adp5520.
394 
395 config LEDS_DELL_NETBOOKS
396         tristate "External LED on Dell Business Netbooks"
397         depends on LEDS_CLASS
398         depends on X86 && ACPI_WMI
399         help
400           This adds support for the Latitude 2100 and similar
401           notebooks that have an external LED.
402 
403 config LEDS_MC13783
404         tristate "LED Support for MC13XXX PMIC"
405         depends on LEDS_CLASS
406         depends on MFD_MC13XXX
407         help
408           This option enable support for on-chip LED drivers found
409           on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
410 
411 config LEDS_NS2
412         tristate "LED support for Network Space v2 GPIO LEDs"
413         depends on LEDS_CLASS
414         depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
415         default y
416         help
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.
420 
421 config LEDS_NETXBIG
422         tristate "LED support for Big Network series LEDs"
423         depends on LEDS_CLASS
424         depends on ARCH_KIRKWOOD || MACH_KIRKWOOD
425         default y
426         help
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.
430 
431 config LEDS_ASIC3
432         bool "LED support for the HTC ASIC3"
433         depends on LEDS_CLASS=y
434         depends on MFD_ASIC3
435         default y
436         help
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.
441 
442 config LEDS_TCA6507
443         tristate "LED Support for TCA6507 I2C chip"
444         depends on LEDS_CLASS && I2C
445         help
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.
449 
450 config LEDS_MAX8997
451         tristate "LED support for MAX8997 PMIC"
452         depends on LEDS_CLASS && MFD_MAX8997
453         help
454           This option enables support for on-chip LED drivers on
455           MAXIM MAX8997 PMIC.
456 
457 config LEDS_LM355x
458         tristate "LED support for LM355x Chips, LM3554 and LM3556"
459         depends on LEDS_CLASS && I2C
460         select REGMAP_I2C
461         help
462           This option enables support for LEDs connected to LM355x.
463           LM355x includes Torch, Flash and Indicator functions.
464 
465 config LEDS_OT200
466         tristate "LED support for the Bachmann OT200"
467         depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
468         help
469           This option enables support for the LEDs on the Bachmann OT200.
470           Say Y to enable LEDs on the Bachmann OT200.
471 
472 comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
473 
474 config LEDS_BLINKM
475         tristate "LED support for the BlinkM I2C RGB LED"
476         depends on LEDS_CLASS
477         depends on I2C
478         help
479           This option enables support for the BlinkM RGB LED connected
480           through I2C. Say Y to enable support for the BlinkM LED.
481 
482 config LEDS_VERSATILE
483         tristate "LED support for the ARM Versatile and RealView"
484         depends on ARCH_REALVIEW || ARCH_VERSATILE
485         depends on LEDS_CLASS
486         help
487           This option enabled support for the LEDs on the ARM Versatile
488           and RealView boards. Say Y to enabled these.
489 
490 comment "LED Triggers"
491 source "drivers/leds/trigger/Kconfig"
492 
493 endif # NEW_LEDS

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