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 bool "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 Locomo device"
56 depends on SHARP_LOCOMO
58 This option enables support for the LEDs on Sharp Locomo.
59 Zaurus models SL-5500 and SL-5600.
61 config LEDS_MIKROTIK_RB532
62 tristate "LED Support for Mikrotik Routerboard 532"
64 depends on MIKROTIK_RB532
66 This option enables support for the so called "User LED" of
67 Mikrotik's Routerboard 532.
70 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
72 depends on ARCH_S3C2410
74 This option enables support for LEDs connected to GPIO lines
75 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
78 tristate "LED Support for the Amstrad Delta (E3)"
80 depends on MACH_AMS_DELTA
82 This option enables support for the LEDs on Amstrad Delta (E3).
85 tristate "LED Support for Soekris net48xx series Error LED"
87 depends on SCx200_GPIO
89 This option enables support for the Soekris net4801 and net4826 error
93 tristate "LED Support for Soekris net5501 series Error LED"
94 depends on LEDS_TRIGGERS
95 depends on X86 && GPIO_CS5535
96 select LEDS_TRIGGER_DEFAULT_ON
99 Add support for the Soekris net5501 board (detection, error led
103 tristate "LED Support for the Freecom FSG-3"
104 depends on LEDS_CLASS
107 This option enables support for the LEDs on the Freecom FSG-3.
110 tristate "LED Support for the WRAP series LEDs"
111 depends on LEDS_CLASS
112 depends on SCx200_GPIO
114 This option enables support for the PCEngines WRAP programmable LEDs.
116 config LEDS_COBALT_QUBE
117 tristate "LED Support for the Cobalt Qube series front LED"
118 depends on LEDS_CLASS
119 depends on MIPS_COBALT
121 This option enables support for the front LED on Cobalt Qube series
123 config LEDS_COBALT_RAQ
124 bool "LED Support for the Cobalt Raq series"
125 depends on LEDS_CLASS=y && MIPS_COBALT
128 This option enables support for the Cobalt Raq series LEDs.
131 tristate "LED support for SunFire servers."
132 depends on LEDS_CLASS
136 This option enables support for the Left, Middle, and Right
137 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
140 tristate "LED Support for the HP Jornada 6xx"
141 depends on LEDS_CLASS
144 This option enables LED support for the handheld
145 HP Jornada 620/660/680/690.
148 tristate "LED driver for PCA9532 dimmer"
149 depends on LEDS_CLASS
150 depends on I2C && INPUT && EXPERIMENTAL
152 This option enables support for NXP pca9532
153 LED controller. It is generally only useful
156 config LEDS_PCA9532_GPIO
157 bool "Enable GPIO support for PCA9532"
158 depends on LEDS_PCA9532
161 Allow unused pins on PCA9532 to be used as gpio.
163 To use a pin as gpio pca9532_type in pca9532_platform data needs to
164 set to PCA9532_TYPE_GPIO.
167 tristate "LED Support for GPIO connected LEDs"
168 depends on LEDS_CLASS
169 depends on GENERIC_GPIO
171 This option enables support for the LEDs connected to GPIO
172 outputs. To be useful the particular board must have LEDs
173 and they must be connected to the GPIO lines. The LEDs must be
174 defined as platform devices and/or OpenFirmware platform devices.
175 The code to use these bindings can be selected below.
178 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
179 depends on LEDS_CLASS
182 This option enables support for LEDs connected to the National
183 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
186 To compile this driver as a module, choose M here: the
187 module will be called leds-lp3944.
190 tristate "LED Support for N.S. LP5521 LED driver chip"
191 depends on LEDS_CLASS && I2C
193 If you say yes here you get support for the National Semiconductor
194 LP5521 LED driver. It is 3 channel chip with programmable engines.
195 Driver provides direct control via LED class and interface for
196 programming the engines.
199 tristate "LED Support for N.S. LP5523 LED driver chip"
200 depends on LEDS_CLASS && I2C
202 If you say yes here you get support for the National Semiconductor
203 LP5523 LED driver. It is 9 channel chip with programmable engines.
204 Driver provides direct control via LED class and interface for
205 programming the engines.
207 config LEDS_CLEVO_MAIL
208 tristate "Mail LED on Clevo notebook"
209 depends on LEDS_CLASS
210 depends on X86 && SERIO_I8042 && DMI
212 This driver makes the mail LED accessible from userspace
213 programs through the leds subsystem. This LED have three
214 known mode: off, blink at 0.5Hz and blink at 1Hz.
216 The driver supports two kinds of interface: using ledtrig-timer
217 or through /sys/class/leds/clevo::mail/brightness. As this LED
218 cannot change it's brightness it blinks instead. The brightness
219 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
222 This module can drive the mail LED for the following notebooks:
227 Clevo D400V/D470V (not tested, but might work)
229 Clevo M5x0N (not tested, but might work)
230 Positivo Mobile (Clevo M5x0V)
232 If your model is not listed here you can try the "nodetect"
235 To compile this driver as a module, choose M here: the
236 module will be called leds-clevo-mail.
239 tristate "LED Support for PCA955x I2C chips"
240 depends on LEDS_CLASS
243 This option enables support for LEDs connected to PCA955x
244 LED driver chips accessed via the I2C bus. Supported
245 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
247 config LEDS_WM831X_STATUS
248 tristate "LED support for status LEDs on WM831x PMICs"
249 depends on LEDS_CLASS
250 depends on MFD_WM831X
252 This option enables support for the status LEDs of the WM831x
256 tristate "LED Support for WM8350 AudioPlus PMIC"
257 depends on LEDS_CLASS
258 depends on MFD_WM8350
260 This option enables support for LEDs driven by the Wolfson
261 Microelectronics WM8350 AudioPlus PMIC.
264 tristate "LED Support for DA9030/DA9034 PMIC"
265 depends on LEDS_CLASS
266 depends on PMIC_DA903X
268 This option enables support for on-chip LED drivers found
269 on Dialog Semiconductor DA9030/DA9034 PMICs.
271 config LEDS_DAC124S085
272 tristate "LED Support for DAC124S085 SPI DAC"
273 depends on LEDS_CLASS
276 This option enables support for DAC124S085 SPI DAC from NatSemi,
277 which can be used to control up to four LEDs.
280 tristate "PWM driven LED Support"
281 depends on LEDS_CLASS
284 This option enables support for pwm driven LEDs
286 config LEDS_REGULATOR
287 tristate "REGULATOR driven LED support"
288 depends on LEDS_CLASS
291 This option enables support for regulator driven LEDs.
294 tristate "LED driver for BD2802 RGB LED"
295 depends on LEDS_CLASS
298 This option enables support for BD2802GU RGB LED driver chips
299 accessed via the I2C bus.
301 config LEDS_INTEL_SS4200
302 tristate "LED driver for Intel NAS SS4200 series"
303 depends on LEDS_CLASS
304 depends on PCI && DMI
306 This option enables support for the Intel SS4200 series of
307 Network Attached Storage servers. You may control the hard
308 drive or power LEDs on the front panel. Using this driver
309 can stop the front LED from blinking after startup.
312 tristate "LED driver for LT3593 controllers"
313 depends on LEDS_CLASS
314 depends on GENERIC_GPIO
316 This option enables support for LEDs driven by a Linear Technology
317 LT3593 controller. This controller uses a special one-wire pulse
318 coding protocol to set the brightness.
321 tristate "LED Support for ADP5520/ADP5501 PMIC"
322 depends on LEDS_CLASS
323 depends on PMIC_ADP5520
325 This option enables support for on-chip LED drivers found
326 on Analog Devices ADP5520/ADP5501 PMICs.
328 To compile this driver as a module, choose M here: the module will
329 be called leds-adp5520.
331 config LEDS_DELL_NETBOOKS
332 tristate "External LED on Dell Business Netbooks"
333 depends on LEDS_CLASS
334 depends on X86 && ACPI_WMI
336 This adds support for the Latitude 2100 and similar
337 notebooks that have an external LED.
340 tristate "LED Support for MC13783 PMIC"
341 depends on LEDS_CLASS
342 depends on MFD_MC13783
344 This option enable support for on-chip LED drivers found
345 on Freescale Semiconductor MC13783 PMIC.
348 tristate "LED support for Network Space v2 GPIO LEDs"
349 depends on LEDS_CLASS
350 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2
353 This option enable support for the dual-GPIO LED found on the
354 Network Space v2 board (and parents). This include Internet Space v2,
355 Network Space (Max) v2 and d2 Network v2 boards.
358 tristate "LED support for Big Network series LEDs"
359 depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
360 depends on LEDS_CLASS
363 This option enable support for LEDs found on the LaCie 2Big
364 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
365 controlled through a GPIO extension bus.
368 bool "LED support for the HTC ASIC3"
369 depends on LEDS_CLASS
373 This option enables support for the LEDs on the HTC ASIC3. The HTC
374 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
375 cannot be used. This driver supports hardware blinking with an on+off
376 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
378 config LEDS_RENESAS_TPU
379 bool "LED support for Renesas TPU"
380 depends on LEDS_CLASS && HAVE_CLK && GENERIC_GPIO
382 This option enables build of the LED TPU platform driver,
383 suitable to drive any TPU channel on newer Renesas SoCs.
384 The driver controls the GPIO pin connected to the LED via
385 the GPIO framework and expects the LED to be connected to
386 a pin that can be driven in both GPIO mode and using TPU
387 pin function. The latter to support brightness control.
388 Brightness control is supported but hardware blinking is not.
391 bool "LED Trigger support"
392 depends on LEDS_CLASS
394 This option enables trigger support for the leds class.
395 These triggers allow kernel events to drive the LEDs and can
396 be configured via sysfs. If unsure, say Y.
398 comment "LED Triggers"
400 config LEDS_TRIGGER_TIMER
401 tristate "LED Timer Trigger"
402 depends on LEDS_TRIGGERS
404 This allows LEDs to be controlled by a programmable timer
405 via sysfs. Some LED hardware can be programmed to start
406 blinking the LED without any further software interaction.
407 For more details read Documentation/leds/leds-class.txt.
411 config LEDS_TRIGGER_IDE_DISK
412 bool "LED IDE Disk Trigger"
413 depends on IDE_GD_ATA
414 depends on LEDS_TRIGGERS
416 This allows LEDs to be controlled by IDE disk activity.
419 config LEDS_TRIGGER_HEARTBEAT
420 tristate "LED Heartbeat Trigger"
421 depends on LEDS_TRIGGERS
423 This allows LEDs to be controlled by a CPU load average.
424 The flash frequency is a hyperbolic function of the 1-minute
428 config LEDS_TRIGGER_BACKLIGHT
429 tristate "LED backlight Trigger"
430 depends on LEDS_TRIGGERS
432 This allows LEDs to be controlled as a backlight device: they
433 turn off and on when the display is blanked and unblanked.
437 config LEDS_TRIGGER_GPIO
438 tristate "LED GPIO Trigger"
439 depends on LEDS_TRIGGERS
442 This allows LEDs to be controlled by gpio events. It's good
443 when using gpios as switches and triggering the needed LEDs
444 from there. One use case is n810's keypad LEDs that could
445 be triggered by this trigger when user slides up to show
450 config LEDS_TRIGGER_DEFAULT_ON
451 tristate "LED Default ON Trigger"
452 depends on LEDS_TRIGGERS
454 This allows LEDs to be initialised in the ON state.
457 comment "iptables trigger is under Netfilter config (LED target)"
458 depends on LEDS_TRIGGERS