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linux/drivers/leds/Kconfig
Linus Torvalds 5f9cc57036 LED updates for 4.14 
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Merge tag 'leds_for_4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "LED class drivers improvements:

  leds-pca955x:
   - add Device Tree support and bindings
   - use devm_led_classdev_register()
   - add GPIO support
   - prevent crippled LED class device name
   - check for I2C errors

  leds-gpio:
   - add optional retain-state-shutdown DT property
   - allow LED to retain state at shutdown

  leds-tlc591xx:
   - merge conditional tests
   - add missing of_node_put

  leds-powernv:
   - delete an error message for a failed memory allocation in
     powernv_led_create()

  leds-is31fl32xx.c
   - convert to using custom %pOF printf format specifier

  Constify attribute_group structures in:
   - leds-blinkm
   - leds-lm3533

  Make several arrays static const in:
   - leds-aat1290
   - leds-lp5521
   - leds-lp5562
   - leds-lp8501"

* tag 'leds_for_4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: pca955x: check for I2C errors
  leds: gpio: Allow LED to retain state at shutdown
  dt-bindings: leds: gpio: Add optional retain-state-shutdown property
  leds: powernv: Delete an error message for a failed memory allocation in powernv_led_create()
  leds: lp8501: make several arrays static const
  leds: lp5562: make several arrays static const
  leds: lp5521: make several arrays static const
  leds: aat1290: make array max_mm_current_percent static const
  leds: pca955x: Prevent crippled LED device name
  leds: lm3533: constify attribute_group structure
  dt-bindings: leds: add pca955x
  leds: pca955x: add GPIO support
  leds: pca955x: use devm_led_classdev_register
  leds: pca955x: add device tree support
  leds: Convert to using %pOF instead of full_name
  leds: blinkm: constify attribute_group structures.
  leds: tlc591xx: add missing of_node_put
  leds: tlc591xx: merge conditional tests
2017-09-07 14:33:13 -07:00

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config LEDS_GPIO_REGISTER
bool
help
This option provides the function gpio_led_register_device.
As this function is used by arch code it must not be compiled as a
module.
menuconfig NEW_LEDS
bool "LED Support"
help
Say Y to enable Linux LED support. This allows control of supported
LEDs from both userspace and optionally, by kernel events (triggers).
if NEW_LEDS
config LEDS_CLASS
tristate "LED Class Support"
help
This option enables the led sysfs class in /sys/class/leds. You'll
need this to do anything useful with LEDs. If unsure, say N.
config LEDS_CLASS_FLASH
tristate "LED Flash Class Support"
depends on LEDS_CLASS
help
This option enables the flash led sysfs class in /sys/class/leds.
It wrapps LED Class and adds flash LEDs specific sysfs attributes
and kernel internal API to it. You'll need this to provide support
for the flash related features of a LED device. It can be built
as a module.
config LEDS_BRIGHTNESS_HW_CHANGED
bool "LED Class brightness_hw_changed attribute support"
depends on LEDS_CLASS
help
This option enables support for the brightness_hw_changed attribute
for led sysfs class devices under /sys/class/leds.
See Documentation/ABI/testing/sysfs-class-led for details.
comment "LED drivers"
config LEDS_88PM860X
tristate "LED Support for Marvell 88PM860x PMIC"
depends on LEDS_CLASS
depends on MFD_88PM860X
help
This option enables support for on-chip LED drivers found on Marvell
Semiconductor 88PM8606 PMIC.
config LEDS_AAT1290
tristate "LED support for the AAT1290"
depends on LEDS_CLASS_FLASH
depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
depends on GPIOLIB || COMPILE_TEST
depends on OF
depends on PINCTRL
help
This option enables support for the LEDs on the AAT1290.
config LEDS_AS3645A
tristate "AS3645A LED flash controller support"
depends on I2C && LEDS_CLASS_FLASH
depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
help
Enable LED flash class support for AS3645A LED flash
controller. V4L2 flash API is provided as well if
CONFIG_V4L2_FLASH_API is enabled.
config LEDS_BCM6328
tristate "LED Support for Broadcom BCM6328"
depends on LEDS_CLASS
depends on HAS_IOMEM
depends on OF
help
This option enables support for LEDs connected to the BCM6328
LED HW controller accessed via MMIO registers.
config LEDS_BCM6358
tristate "LED Support for Broadcom BCM6358"
depends on LEDS_CLASS
depends on HAS_IOMEM
depends on OF
help
This option enables support for LEDs connected to the BCM6358
LED HW controller accessed via MMIO registers.
config LEDS_CPCAP
tristate "LED Support for Motorola CPCAP"
depends on LEDS_CLASS
depends on MFD_CPCAP
depends on OF
help
This option enables support for LEDs offered by Motorola's
CPCAP PMIC.
config LEDS_LM3530
tristate "LCD Backlight driver for LM3530"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for the LCD backlight using
LM3530 ambient light sensor chip. This ALS chip can be
controlled manually or using PWM input or using ambient
light automatically.
config LEDS_LM3533
tristate "LED support for LM3533"
depends on LEDS_CLASS
depends on MFD_LM3533
help
This option enables support for the LEDs on National Semiconductor /
TI LM3533 Lighting Power chips.
The LEDs can be controlled directly, through PWM input, or by the
ambient-light-sensor interface. The chip supports
hardware-accelerated blinking with maximum on and off periods of 9.8
and 77 seconds respectively.
config LEDS_LM3642
tristate "LED support for LM3642 Chip"
depends on LEDS_CLASS && I2C
select REGMAP_I2C
help
This option enables support for LEDs connected to LM3642.
The LM3642 is a 4MHz fixed-frequency synchronous boost
converter plus 1.5A constant current driver for a high-current
white LED.
config LEDS_LOCOMO
tristate "LED Support for Locomo device"
depends on LEDS_CLASS
depends on SHARP_LOCOMO
help
This option enables support for the LEDs on Sharp Locomo.
Zaurus models SL-5500 and SL-5600.
config LEDS_MIKROTIK_RB532
tristate "LED Support for Mikrotik Routerboard 532"
depends on LEDS_CLASS
depends on MIKROTIK_RB532
help
This option enables support for the so called "User LED" of
Mikrotik's Routerboard 532.
config LEDS_MT6323
tristate "LED Support for Mediatek MT6323 PMIC"
depends on LEDS_CLASS
depends on MFD_MT6397
help
This option enables support for on-chip LED drivers found on
Mediatek MT6323 PMIC.
config LEDS_S3C24XX
tristate "LED Support for Samsung S3C24XX GPIO LEDs"
depends on LEDS_CLASS
depends on ARCH_S3C24XX
help
This option enables support for LEDs connected to GPIO lines
on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
config LEDS_NET48XX
tristate "LED Support for Soekris net48xx series Error LED"
depends on LEDS_CLASS
depends on SCx200_GPIO
help
This option enables support for the Soekris net4801 and net4826 error
LED.
config LEDS_FSG
tristate "LED Support for the Freecom FSG-3"
depends on LEDS_CLASS
depends on MACH_FSG
help
This option enables support for the LEDs on the Freecom FSG-3.
config LEDS_WRAP
tristate "LED Support for the WRAP series LEDs"
depends on LEDS_CLASS
depends on SCx200_GPIO
help
This option enables support for the PCEngines WRAP programmable LEDs.
config LEDS_COBALT_QUBE
tristate "LED Support for the Cobalt Qube series front LED"
depends on LEDS_CLASS
depends on MIPS_COBALT
help
This option enables support for the front LED on Cobalt Qube series
config LEDS_COBALT_RAQ
bool "LED Support for the Cobalt Raq series"
depends on LEDS_CLASS=y && MIPS_COBALT
select LEDS_TRIGGERS
help
This option enables support for the Cobalt Raq series LEDs.
config LEDS_SUNFIRE
tristate "LED support for SunFire servers."
depends on LEDS_CLASS
depends on SPARC64
select LEDS_TRIGGERS
help
This option enables support for the Left, Middle, and Right
LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
config LEDS_IPAQ_MICRO
tristate "LED Support for the Compaq iPAQ h3xxx"
depends on LEDS_CLASS
depends on MFD_IPAQ_MICRO
help
Choose this option if you want to use the notification LED on
Compaq/HP iPAQ h3100 and h3600.
config LEDS_HP6XX
tristate "LED Support for the HP Jornada 6xx"
depends on LEDS_CLASS
depends on SH_HP6XX
help
This option enables LED support for the handheld
HP Jornada 620/660/680/690.
config LEDS_PCA9532
tristate "LED driver for PCA9532 dimmer"
depends on LEDS_CLASS
depends on I2C && INPUT
help
This option enables support for NXP pca9532
LED controller. It is generally only useful
as a platform driver
config LEDS_PCA9532_GPIO
bool "Enable GPIO support for PCA9532"
depends on LEDS_PCA9532
depends on GPIOLIB
help
Allow unused pins on PCA9532 to be used as gpio.
To use a pin as gpio pca9532_type in pca9532_platform data needs to
set to PCA9532_TYPE_GPIO.
config LEDS_GPIO
tristate "LED Support for GPIO connected LEDs"
depends on LEDS_CLASS
depends on GPIOLIB || COMPILE_TEST
help
This option enables support for the LEDs connected to GPIO
outputs. To be useful the particular board must have LEDs
and they must be connected to the GPIO lines. The LEDs must be
defined as platform devices and/or OpenFirmware platform devices.
The code to use these bindings can be selected below.
config LEDS_LP3944
tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for LEDs connected to the National
Semiconductor LP3944 Lighting Management Unit (LMU) also known as
Fun Light Chip.
To compile this driver as a module, choose M here: the
module will be called leds-lp3944.
config LEDS_LP3952
tristate "LED Support for TI LP3952 2 channel LED driver"
depends on LEDS_CLASS
depends on I2C
depends on GPIOLIB
select REGMAP_I2C
help
This option enables support for LEDs connected to the Texas
Instruments LP3952 LED driver.
To compile this driver as a module, choose M here: the
module will be called leds-lp3952.
config LEDS_LP55XX_COMMON
tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
depends on LEDS_LP5521 || LEDS_LP5523 || LEDS_LP5562 || LEDS_LP8501
select FW_LOADER
select FW_LOADER_USER_HELPER
help
This option supports common operations for LP5521/5523/55231/5562/8501
devices.
config LEDS_LP5521
tristate "LED Support for N.S. LP5521 LED driver chip"
depends on LEDS_CLASS && I2C
select LEDS_LP55XX_COMMON
help
If you say yes here you get support for the National Semiconductor
LP5521 LED driver. It is 3 channel chip with programmable engines.
Driver provides direct control via LED class and interface for
programming the engines.
config LEDS_LP5523
tristate "LED Support for TI/National LP5523/55231 LED driver chip"
depends on LEDS_CLASS && I2C
select LEDS_LP55XX_COMMON
help
If you say yes here you get support for TI/National Semiconductor
LP5523/55231 LED driver.
It is 9 channel chip with programmable engines.
Driver provides direct control via LED class and interface for
programming the engines.
config LEDS_LP5562
tristate "LED Support for TI LP5562 LED driver chip"
depends on LEDS_CLASS && I2C
select LEDS_LP55XX_COMMON
help
If you say yes here you get support for TI LP5562 LED driver.
It is 4 channels chip with programmable engines.
Driver provides direct control via LED class and interface for
programming the engines.
config LEDS_LP8501
tristate "LED Support for TI LP8501 LED driver chip"
depends on LEDS_CLASS && I2C
select LEDS_LP55XX_COMMON
help
If you say yes here you get support for TI LP8501 LED driver.
It is 9 channel chip with programmable engines.
Driver provides direct control via LED class and interface for
programming the engines.
It is similar as LP5523, but output power selection is available.
And register layout and engine program schemes are different.
config LEDS_LP8788
tristate "LED support for the TI LP8788 PMIC"
depends on LEDS_CLASS
depends on MFD_LP8788
help
This option enables support for the Keyboard LEDs on the LP8788 PMIC.
config LEDS_LP8860
tristate "LED support for the TI LP8860 4 channel LED driver"
depends on LEDS_CLASS && I2C
select REGMAP_I2C
help
If you say yes here you get support for the TI LP8860 4 channel
LED driver.
This option enables support for the display cluster LEDs
on the LP8860 4 channel LED driver using the I2C communication
bus.
config LEDS_CLEVO_MAIL
tristate "Mail LED on Clevo notebook"
depends on LEDS_CLASS
depends on X86 && SERIO_I8042 && DMI
help
This driver makes the mail LED accessible from userspace
programs through the leds subsystem. This LED have three
known mode: off, blink at 0.5Hz and blink at 1Hz.
The driver supports two kinds of interface: using ledtrig-timer
or through /sys/class/leds/clevo::mail/brightness. As this LED
cannot change it's brightness it blinks instead. The brightness
value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
blink at 1Hz.
This module can drive the mail LED for the following notebooks:
Clevo D400P
Clevo D410J
Clevo D410V
Clevo D400V/D470V (not tested, but might work)
Clevo M540N
Clevo M5x0N (not tested, but might work)
Positivo Mobile (Clevo M5x0V)
If your model is not listed here you can try the "nodetect"
module parameter.
To compile this driver as a module, choose M here: the
module will be called leds-clevo-mail.
config LEDS_PCA955X
tristate "LED Support for PCA955x I2C chips"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for LEDs connected to PCA955x
LED driver chips accessed via the I2C bus. Supported
devices include PCA9550, PCA9551, PCA9552, and PCA9553.
config LEDS_PCA955X_GPIO
bool "Enable GPIO support for PCA955X"
depends on LEDS_PCA955X
depends on GPIOLIB
help
Allow unused pins on PCA955X to be used as gpio.
To use a pin as gpio the pin type should be set to
PCA955X_TYPE_GPIO in the device tree.
config LEDS_PCA963X
tristate "LED support for PCA963x I2C chip"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for LEDs connected to the PCA963x
LED driver chip accessed via the I2C bus. Supported
devices include PCA9633 and PCA9634
config LEDS_WM831X_STATUS
tristate "LED support for status LEDs on WM831x PMICs"
depends on LEDS_CLASS
depends on MFD_WM831X
help
This option enables support for the status LEDs of the WM831x
series of PMICs.
config LEDS_WM8350
tristate "LED Support for WM8350 AudioPlus PMIC"
depends on LEDS_CLASS
depends on MFD_WM8350
help
This option enables support for LEDs driven by the Wolfson
Microelectronics WM8350 AudioPlus PMIC.
config LEDS_DA903X
tristate "LED Support for DA9030/DA9034 PMIC"
depends on LEDS_CLASS
depends on PMIC_DA903X
help
This option enables support for on-chip LED drivers found
on Dialog Semiconductor DA9030/DA9034 PMICs.
config LEDS_DA9052
tristate "Dialog DA9052/DA9053 LEDS"
depends on LEDS_CLASS
depends on PMIC_DA9052
help
This option enables support for on-chip LED drivers found
on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs.
config LEDS_DAC124S085
tristate "LED Support for DAC124S085 SPI DAC"
depends on LEDS_CLASS
depends on SPI
help
This option enables support for DAC124S085 SPI DAC from NatSemi,
which can be used to control up to four LEDs.
config LEDS_PWM
tristate "PWM driven LED Support"
depends on LEDS_CLASS
depends on PWM
help
This option enables support for pwm driven LEDs
config LEDS_REGULATOR
tristate "REGULATOR driven LED support"
depends on LEDS_CLASS
depends on REGULATOR
help
This option enables support for regulator driven LEDs.
config LEDS_BD2802
tristate "LED driver for BD2802 RGB LED"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for BD2802GU RGB LED driver chips
accessed via the I2C bus.
config LEDS_INTEL_SS4200
tristate "LED driver for Intel NAS SS4200 series"
depends on LEDS_CLASS
depends on PCI && DMI
depends on X86
help
This option enables support for the Intel SS4200 series of
Network Attached Storage servers. You may control the hard
drive or power LEDs on the front panel. Using this driver
can stop the front LED from blinking after startup.
config LEDS_LT3593
tristate "LED driver for LT3593 controllers"
depends on LEDS_CLASS
depends on GPIOLIB || COMPILE_TEST
help
This option enables support for LEDs driven by a Linear Technology
LT3593 controller. This controller uses a special one-wire pulse
coding protocol to set the brightness.
config LEDS_ADP5520
tristate "LED Support for ADP5520/ADP5501 PMIC"
depends on LEDS_CLASS
depends on PMIC_ADP5520
help
This option enables support for on-chip LED drivers found
on Analog Devices ADP5520/ADP5501 PMICs.
To compile this driver as a module, choose M here: the module will
be called leds-adp5520.
config LEDS_MC13783
tristate "LED Support for MC13XXX PMIC"
depends on LEDS_CLASS
depends on MFD_MC13XXX
help
This option enable support for on-chip LED drivers found
on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
config LEDS_NS2
tristate "LED support for Network Space v2 GPIO LEDs"
depends on LEDS_CLASS
depends on MACH_KIRKWOOD || MACH_ARMADA_370
default y
help
This option enables support for the dual-GPIO LEDs found on the
following LaCie/Seagate boards:
Network Space v2 (and parents: Max, Mini)
Internet Space v2
d2 Network v2
n090401 (Seagate NAS 4-Bay)
config LEDS_NETXBIG
tristate "LED support for Big Network series LEDs"
depends on LEDS_CLASS
depends on MACH_KIRKWOOD
default y
help
This option enable support for LEDs found on the LaCie 2Big
and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
controlled through a GPIO extension bus.
config LEDS_ASIC3
bool "LED support for the HTC ASIC3"
depends on LEDS_CLASS=y
depends on MFD_ASIC3
default y
help
This option enables support for the LEDs on the HTC ASIC3. The HTC
ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
cannot be used. This driver supports hardware blinking with an on+off
period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
config LEDS_TCA6507
tristate "LED Support for TCA6507 I2C chip"
depends on LEDS_CLASS && I2C
help
This option enables support for LEDs connected to TC6507
LED driver chips accessed via the I2C bus.
Driver support brightness control and hardware-assisted blinking.
config LEDS_TLC591XX
tristate "LED driver for TLC59108 and TLC59116 controllers"
depends on LEDS_CLASS && I2C
select REGMAP_I2C
help
This option enables support for Texas Instruments TLC59108
and TLC59116 LED controllers.
config LEDS_MAX77693
tristate "LED support for MAX77693 Flash"
depends on LEDS_CLASS_FLASH
depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
depends on MFD_MAX77693
depends on OF
help
This option enables support for the flash part of the MAX77693
multifunction device. It has build in control for two leds in flash
and torch mode.
config LEDS_MAX8997
tristate "LED support for MAX8997 PMIC"
depends on LEDS_CLASS && MFD_MAX8997
help
This option enables support for on-chip LED drivers on
MAXIM MAX8997 PMIC.
config LEDS_LM355x
tristate "LED support for LM355x Chips, LM3554 and LM3556"
depends on LEDS_CLASS && I2C
select REGMAP_I2C
help
This option enables support for LEDs connected to LM355x.
LM355x includes Torch, Flash and Indicator functions.
config LEDS_OT200
tristate "LED support for the Bachmann OT200"
depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
help
This option enables support for the LEDs on the Bachmann OT200.
Say Y to enable LEDs on the Bachmann OT200.
config LEDS_MENF21BMC
tristate "LED support for the MEN 14F021P00 BMC"
depends on LEDS_CLASS && MFD_MENF21BMC
help
Say Y here to include support for the MEN 14F021P00 BMC LEDs.
This driver can also be built as a module. If so the module
will be called leds-menf21bmc.
config LEDS_KTD2692
tristate "LED support for KTD2692 flash LED controller"
depends on LEDS_CLASS_FLASH && OF
depends on GPIOLIB || COMPILE_TEST
help
This option enables support for KTD2692 LED flash connected
through ExpressWire interface.
Say Y to enable this driver.
config LEDS_IS31FL319X
tristate "LED Support for ISSI IS31FL319x I2C LED controller family"
depends on LEDS_CLASS && I2C && OF
select REGMAP_I2C
help
This option enables support for LEDs connected to ISSI IS31FL319x
fancy LED driver chips accessed via the I2C bus.
Driver supports individual PWM brightness control for each channel.
This driver can also be built as a module. If so the module will be
called leds-is31fl319x.
config LEDS_IS31FL32XX
tristate "LED support for ISSI IS31FL32XX I2C LED controller family"
depends on LEDS_CLASS && I2C && OF
help
Say Y here to include support for ISSI IS31FL32XX and Si-En SN32xx
LED controllers. They are I2C devices with multiple constant-current
channels, each with independent 256-level PWM control.
comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
config LEDS_BLINKM
tristate "LED support for the BlinkM I2C RGB LED"
depends on LEDS_CLASS
depends on I2C
help
This option enables support for the BlinkM RGB LED connected
through I2C. Say Y to enable support for the BlinkM LED.
config LEDS_POWERNV
tristate "LED support for PowerNV Platform"
depends on LEDS_CLASS
depends on PPC_POWERNV
depends on OF
help
This option enables support for the system LEDs present on
PowerNV platforms. Say 'y' to enable this support in kernel.
To compile this driver as a module, choose 'm' here: the module
will be called leds-powernv.
config LEDS_SYSCON
bool "LED support for LEDs on system controllers"
depends on LEDS_CLASS=y
depends on MFD_SYSCON
depends on OF
help
This option enabled support for the LEDs on syscon type
devices. This will only work with device tree enabled
devices.
config LEDS_PM8058
tristate "LED Support for the Qualcomm PM8058 PMIC"
depends on MFD_PM8XXX
depends on LEDS_CLASS
help
Choose this option if you want to use the LED drivers in
the Qualcomm PM8058 PMIC.
config LEDS_MLXCPLD
tristate "LED support for the Mellanox boards"
depends on X86_64 && DMI
depends on LEDS_CLASS
help
This option enabled support for the LEDs on the Mellanox
boards. Say Y to enabled these.
config LEDS_USER
tristate "Userspace LED support"
depends on LEDS_CLASS
help
This option enables support for userspace LEDs. Say 'y' to enable this
support in kernel. To compile this driver as a module, choose 'm' here:
the module will be called uleds.
config LEDS_NIC78BX
tristate "LED support for NI PXI NIC78bx devices"
depends on LEDS_CLASS
depends on X86 && ACPI
help
This option enables support for the User1 and User2 LEDs on NI
PXI NIC78bx devices.
To compile this driver as a module, choose M here: the module
will be called leds-nic78bx.
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
endif # NEW_LEDS
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