linux/drivers/leds/Kconfig
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   1config 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
   8menuconfig 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
  17if NEW_LEDS
  18
  19config 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
  25comment "LED drivers"
  26
  27config 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
  35config 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
  43config 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
  53config 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
  66config 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
  77config 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
  85config 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
  93config 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
 101config 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
 109config 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
 116config 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
 123config 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
 130config 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
 137config 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
 146config 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
 154config 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
 163config 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
 173config 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
 184config 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
 196config 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
 204config 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
 214config 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
 225config 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
 235config 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
 247config 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
 254config 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
 285config 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
 294config 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
 303config 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
 311config 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
 319config 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
 327config 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
 335config 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
 343config 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
 350config 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
 357config 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
 365config 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
 375config 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
 384config 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
 395config 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
 403config 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 PMIC.
 410
 411config LEDS_NS2
 412        tristate "LED support for Network Space v2 GPIO LEDs"
 413        depends on LEDS_CLASS
 414        depends on ARCH_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
 421config LEDS_NETXBIG
 422        tristate "LED support for Big Network series LEDs"
 423        depends on LEDS_CLASS
 424        depends on ARCH_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
 431config 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
 442config 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
 450config 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
 457config 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
 465config LEDS_OT200
 466        tristate "LED support for the Bachmann OT200"
 467        depends on LEDS_CLASS && HAS_IOMEM
 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
 472config LEDS_BLINKM
 473        tristate "LED support for the BlinkM I2C RGB LED"
 474        depends on LEDS_CLASS
 475        depends on I2C
 476        help
 477          This option enables support for the BlinkM RGB LED connected
 478          through I2C. Say Y to enable support for the BlinkM LED.
 479
 480comment "LED Triggers"
 481source "drivers/leds/trigger/Kconfig"
 482
 483endif # NEW_LEDS
 484
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