1 # SPDX-License-Identifier: GPL-2.0-only
3 # Multifunction miscellaneous devices
7 menu "Multifunction device drivers"
14 config MFD_RPISENSE_CORE
15 tristate "Raspberry Pi Sense HAT core functions"
19 This is the core driver for the Raspberry Pi Sense HAT. This provides
20 the necessary functions to communicate with the hardware.
23 tristate "AMD CS5535 and CS5536 southbridge core functions"
25 depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
28 This is the core driver for CS5535/CS5536 MFD functions. This is
29 necessary for using the board's GPIO and MFGPT functionality.
31 config MFD_ALTERA_A10SR
32 bool "Altera Arria10 DevKit System Resource chip"
33 depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF
37 Support for the Altera Arria10 DevKit MAX5 System Resource chip
38 using the SPI interface. This driver provides common support for
39 accessing the external gpio extender (LEDs & buttons) and
40 power supply alarms (hwmon).
42 config MFD_ALTERA_SYSMGR
43 bool "Altera SOCFPGA System Manager"
44 depends on ARCH_INTEL_SOCFPGA && OF
47 Select this to get System Manager support for all Altera branded
48 SOCFPGAs. The SOCFPGA System Manager handles all SOCFPGAs by
49 using regmap_mmio accesses for ARM32 parts and SMC calls to
53 tristate "Active-semi ACT8945A"
58 Support for the ACT8945A PMIC from Active-semi. This device
59 features three step-down DC/DC converters and four low-dropout
60 linear regulators, along with a complete ActivePath battery
63 config MFD_SUN4I_GPADC
64 tristate "Allwinner sunxi platforms' GPADC MFD driver"
68 depends on ARCH_SUNXI || COMPILE_TEST
69 depends on !TOUCHSCREEN_SUN4I
71 Select this to get support for Allwinner SoCs (A10, A13 and A31) ADC.
72 This driver will only map the hardware interrupt and registers, you
73 have to select individual drivers based on this MFD to be able to use
74 the ADC or the thermal sensor. This will try to probe the ADC driver
75 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
77 To compile this driver as a module, choose M here: the module will be
87 Support for the AS3711 PMIC from AMS
90 tristate "Ampere Computing SMpro core driver"
95 Say yes here to enable SMpro driver support for Ampere's Altra
98 Ampere's Altra SMpro exposes an I2C regmap interface that can
99 be accessed by child devices.
102 tristate "ams AS3722 Power Management IC"
106 depends on I2C=y && OF
108 The ams AS3722 is a compact system PMU suitable for mobile phones,
109 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
110 controllers, 11 LDOs, RTC, automatic battery, temperature and
111 over current monitoring, GPIOs, ADC and a watchdog.
114 bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
117 Say yes here to add support for Analog Devices ADP5520 and ADP5501,
118 Multifunction Power Management IC. This includes
119 the I2C driver and the core APIs _only_, you have to select
120 individual components like LCD backlight, LEDs, GPIOs and Kepad
121 under the corresponding menus.
123 config MFD_AAT2870_CORE
124 bool "AnalogicTech AAT2870"
127 depends on GPIOLIB || COMPILE_TEST
129 If you say yes here you get support for the AAT2870.
130 This driver provides common support for accessing the device,
131 additional drivers must be enabled in order to use the
132 functionality of the device.
134 config MFD_AT91_USART
135 tristate "AT91 USART Driver"
137 depends on ARCH_AT91 || COMPILE_TEST
139 Select this to get support for AT91 USART IP. This is a wrapper
140 over at91-usart-serial driver and usart-spi-driver. Only one function
141 can be used at a time. The choice is done at boot time by the probe
142 function of this MFD driver according to a device tree property.
144 config MFD_ATMEL_FLEXCOM
145 tristate "Atmel Flexcom (Flexible Serial Communication Unit)"
149 Select this to get support for Atmel Flexcom. This is a wrapper
150 which embeds a SPI controller, a I2C controller and a USART. Only
151 one function can be used at a time. The choice is done at boot time
152 by the probe function of this MFD driver according to a device tree
155 config MFD_ATMEL_HLCDC
156 tristate "Atmel HLCDC (High-end LCD Controller)"
161 If you say yes here you get support for the HLCDC block.
162 This driver provides common support for accessing the device,
163 additional drivers must be enabled in order to use the
164 functionality of the device.
171 tristate "Broadcom BCM590xx PMUs"
176 Support for the BCM590xx PMUs from Broadcom
179 tristate "ROHM BD9571MWV PMIC"
185 Support for the ROHM BD9571MWV PMIC, which contains single
186 voltage regulator, voltage sampling units, GPIO block and
189 This driver can also be built as a module. If so, the module
190 will be called bd9571mwv.
193 tristate "X-Powers AC100"
197 If you say Y here you get support for the X-Powers AC100 audio codec
199 This driver include only the core APIs. You have to select individual
200 components like codecs or RTC under the corresponding menus.
207 config MFD_AXP20X_I2C
208 tristate "X-Powers AXP series PMICs with I2C"
213 If you say Y here you get support for the X-Powers AXP series power
214 management ICs (PMICs) controlled with I2C.
215 This driver include only the core APIs. You have to select individual
216 components like regulators or the PEK (Power Enable Key) under the
219 Note on x86 this provides an ACPI OpRegion, so this must be 'y'
220 (builtin) and not a module, as the OpRegion must be available as
221 soon as possible. For the same reason the I2C bus driver options
222 I2C_DESIGNWARE_PLATFORM and I2C_DESIGNWARE_BAYTRAIL must be 'y' too.
224 config MFD_AXP20X_RSB
225 tristate "X-Powers AXP series PMICs with RSB"
229 If you say Y here you get support for the X-Powers AXP series power
230 management ICs (PMICs) controlled with RSB.
231 This driver include only the core APIs. You have to select individual
232 components like regulators or the PEK (Power Enable Key) under the
235 config MFD_CROS_EC_DEV
236 tristate "ChromeOS Embedded Controller multifunction device"
241 Select this to get support for ChromeOS Embedded Controller
242 sub-devices. This driver will instantiate additional drivers such
243 as RTC, USBPD, etc. but you have to select the individual drivers.
245 To compile this driver as a module, choose M here: the module will be
254 config MFD_CS42L43_I2C
255 tristate "Cirrus Logic CS42L43 (I2C)"
260 Select this to support the Cirrus Logic CS42L43 PC CODEC with
261 headphone and class D speaker drivers over I2C.
263 config MFD_CS42L43_SDW
264 tristate "Cirrus Logic CS42L43 (SoundWire)"
266 select REGMAP_SOUNDWIRE
269 Select this to support the Cirrus Logic CS42L43 PC CODEC with
270 headphone and class D speaker drivers over SoundWire.
273 tristate "Cirrus Logic Madera codecs"
279 select PINCTRL_MADERA
281 Support for the Cirrus Logic Madera platform audio codecs
283 config MFD_MADERA_I2C
284 tristate "Cirrus Logic Madera codecs with I2C"
285 depends on MFD_MADERA
289 Support for the Cirrus Logic Madera platform audio SoC
290 core functionality controlled via I2C.
292 config MFD_MADERA_SPI
293 tristate "Cirrus Logic Madera codecs with SPI"
294 depends on MFD_MADERA
295 depends on SPI_MASTER
298 Support for the Cirrus Logic Madera platform audio SoC
299 core functionality controlled via SPI.
302 tristate "Maxim 5970/5978 power switch and monitor"
303 depends on (I2C && OF)
304 select MFD_SIMPLE_MFD_I2C
306 This driver controls a Maxim 5970/5978 switch via I2C bus.
307 The MAX5970/5978 is a smart switch with no output regulation, but
308 fault protection and voltage and current monitoring capabilities.
309 Also it supports upto 4 indication leds.
312 bool "Cirrus Logic CS47L15"
313 select PINCTRL_CS47L15
314 depends on MFD_MADERA
316 Support for Cirrus Logic CS47L15 Smart Codec
319 bool "Cirrus Logic CS47L35"
320 select PINCTRL_CS47L35
321 depends on MFD_MADERA
323 Support for Cirrus Logic CS47L35 Smart Codec
326 bool "Cirrus Logic CS47L85"
327 select PINCTRL_CS47L85
328 depends on MFD_MADERA
330 Support for Cirrus Logic CS47L85 Smart Codec
333 bool "Cirrus Logic CS47L90/91"
334 select PINCTRL_CS47L90
335 depends on MFD_MADERA
337 Support for Cirrus Logic CS47L90 and CS47L91 Smart Codecs
340 bool "Cirrus Logic CS47L92/93"
341 select PINCTRL_CS47L92
342 depends on MFD_MADERA
344 Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs
347 bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
350 Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
351 ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
352 usually found on PXA processors-based platforms. This includes
353 the I2C driver and the core APIs _only_, you have to select
354 individual components like LCD backlight, voltage regulators,
355 LEDs and battery-charger under the corresponding menus.
361 config MFD_DA9052_SPI
362 bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI"
366 depends on SPI_MASTER=y
368 Support for the Dialog Semiconductor DA9052 PMIC
369 when controlled using SPI. This driver provides common support
370 for accessing the device, additional drivers must be enabled in
371 order to use the functionality of the device.
373 config MFD_DA9052_I2C
374 bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C"
380 Support for the Dialog Semiconductor DA9052 PMIC
381 when controlled using I2C. This driver provides common support
382 for accessing the device, additional drivers must be enabled in
383 order to use the functionality of the device.
386 bool "Dialog Semiconductor DA9055 PMIC Support"
392 Say yes here for support of Dialog Semiconductor DA9055. This is
393 a Power Management IC. This driver provides common support for
394 accessing the device as well as the I2C interface to the chip itself.
395 Additional drivers must be enabled in order to use the functionality
399 tristate "Dialog Semiconductor DA9062/61 PMIC Support"
405 Say yes here for support for the Dialog Semiconductor DA9061 and
407 This includes the I2C driver and core APIs.
408 Additional drivers must be enabled in order to use the functionality
412 tristate "Dialog Semiconductor DA9063 PMIC Support"
418 Say yes here for support for the Dialog Semiconductor DA9063 PMIC.
419 This includes the I2C driver and core APIs.
420 Additional drivers must be enabled in order to use the functionality
424 tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
430 This adds support for the DA9150 integrated charger and fuel-gauge
431 chip. This driver provides common support for accessing the device.
432 Additional drivers must be enabled in order to use the specific
433 features of the device.
436 tristate "Diolan DLN2 support"
440 This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter
441 DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2,
442 etc. must be enabled in order to use the functionality of
445 config MFD_ENE_KB3930
446 tristate "ENE KB3930 Embedded Controller support"
448 depends on MACH_MMP3_DT || COMPILE_TEST
451 This adds support for the power-off functionality and access to
452 the registers that control LEDS and USB port power on ENE KB3930
453 Embedded Controller. To use the LED functionality LEDS_ARIEL must
456 config MFD_EXYNOS_LPASS
457 tristate "Samsung Exynos SoC Low Power Audio Subsystem"
458 depends on ARCH_EXYNOS || COMPILE_TEST
462 Select this option to enable support for Samsung Exynos Low Power
463 Audio Subsystem present on some of Samsung Exynos
464 SoCs (e.g. Exynos5433).
465 Choose Y here only if you build for such Samsung SoC.
467 config MFD_GATEWORKS_GSC
468 tristate "Gateworks System Controller"
469 depends on (I2C && OF)
474 Enable support for the Gateworks System Controller (GSC) found
475 on Gateworks Single Board Computers supporting system functions
476 such as push-button monitor, multiple ADC's for voltage and
477 temperature monitoring, fan controller and watchdog monitor.
478 This driver provides common support for accessing the device.
479 Additional drivers must be enabled in order to use the
480 functionality of the device.
484 depends on (SPI_MASTER || I2C)
488 Enable support for the Freescale MC13783 and MC13892 PMICs.
489 This driver provides common support for accessing the device,
490 additional drivers must be enabled in order to use the
491 functionality of the device.
493 config MFD_MC13XXX_SPI
494 tristate "Freescale MC13783 and MC13892 SPI interface"
495 depends on SPI_MASTER
499 Select this if your MC13xxx is connected via an SPI bus.
501 config MFD_MC13XXX_I2C
502 tristate "Freescale MC13892 I2C interface"
507 Select this if your MC13xxx is connected via an I2C bus.
510 tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
515 Select this option to enable support for Monolithic Power Systems
516 battery charger. This provides ADC, thermal and battery charger power
517 management functions.
520 tristate "Freescale i.MX23/i.MX28 LRADC"
521 depends on ARCH_MXS || COMPILE_TEST
525 Say yes here to build support for the Low Resolution
526 Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28
527 processors. This driver provides common support for accessing the
528 device, additional drivers must be enabled in order to use the
529 functionality of the device:
530 mxs-lradc-adc for ADC readings
531 mxs-lradc-ts for touchscreen support
533 This driver can also be built as a module. If so, the module will be
536 config MFD_MX25_TSADC
537 tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
539 depends on (SOC_IMX25 && OF) || COMPILE_TEST
541 Enable support for the integrated Touchscreen and ADC unit of the
542 i.MX25 processors. They consist of a conversion queue for general
543 purpose ADC and a queue for Touchscreens.
545 config MFD_HI6421_PMIC
546 tristate "HiSilicon Hi6421 PMU/Codec IC"
551 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi-
552 functions, such as regulators, RTC, codec, Coulomb counter, etc.
553 This driver includes core APIs _only_. You have to select
554 individual components like voltage regulators under corresponding
555 menus in order to enable them.
556 We communicate with the Hi6421 via memory-mapped I/O.
558 config MFD_HI6421_SPMI
559 tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC"
565 Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes
566 multi-functions, such as regulators, RTC, codec, Coulomb counter,
569 This driver includes core APIs _only_. You have to select
570 individual components like voltage regulators under corresponding
571 menus in order to enable them.
572 We communicate with the Hi6421v600 via a SPMI bus.
574 config MFD_HI655X_PMIC
575 tristate "HiSilicon Hi655X series PMU/Codec IC"
576 depends on ARCH_HISI || COMPILE_TEST
582 Select this option to enable Hisilicon hi655x series pmic driver.
584 config MFD_INTEL_QUARK_I2C_GPIO
585 tristate "Intel Quark MFD I2C GPIO"
588 depends on COMMON_CLK
591 This MFD provides support for I2C and GPIO that exist only
592 in a single PCI device. It splits the 2 IO devices to
593 their respective IO driver.
594 The GPIO exports a total amount of 8 interrupt-capable GPIOs.
597 tristate "Intel ICH LPC"
602 The LPC bridge function of the Intel ICH provides support for
603 many functional units. This driver provides needed support for
604 other drivers to control these functions, currently GPIO and
608 tristate "Intel SCH LPC"
612 LPC bridge function of the Intel SCH provides support for
613 System Management Bus and General Purpose I/O.
615 config INTEL_SOC_PMIC
616 bool "Support for Crystal Cove PMIC"
617 depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK
618 depends on (X86 && ACPI) || COMPILE_TEST
619 depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST
624 Select this option to enable support for Crystal Cove PMIC
625 on some Intel SoC systems. The PMIC provides ADC, GPIO,
626 thermal, charger and related power management functions
629 This option is a bool as it provides an ACPI OpRegion which must be
630 available before any devices using it are probed. This option also
631 causes the designware-i2c driver to be builtin for the same reason.
633 config INTEL_SOC_PMIC_BXTWC
634 tristate "Support for Intel Broxton Whiskey Cove PMIC"
635 depends on MFD_INTEL_PMC_BXT
639 Select this option to enable support for Whiskey Cove PMIC
640 on Intel Broxton systems. The PMIC provides ADC, GPIO,
641 thermal, charger and related power management functions
644 config INTEL_SOC_PMIC_CHTWC
645 bool "Support for Intel Cherry Trail Whiskey Cove PMIC"
646 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK
647 depends on X86 || COMPILE_TEST
648 depends on I2C_DESIGNWARE_PLATFORM=y
653 Select this option to enable support for the Intel Cherry Trail
654 Whiskey Cove PMIC found on some Intel Cherry Trail systems.
656 This option is a bool as it provides an ACPI OpRegion which must be
657 available before any devices using it are probed. This option also
658 causes the designware-i2c driver to be builtin for the same reason.
660 config INTEL_SOC_PMIC_CHTDC_TI
661 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC"
663 depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y
670 Select this option for supporting Dollar Cove (TI version) PMIC
671 device that is found on some Intel Cherry Trail systems.
673 This option is a bool as it provides an ACPI OpRegion which must be
674 available before any devices using it are probed. This option also
675 needs the designware-i2c driver to be builtin for the same reason.
677 config INTEL_SOC_PMIC_MRFLD
678 tristate "Support for Intel Merrifield Basin Cove PMIC"
685 Select this option for supporting Basin Cove PMIC device
686 that is found on Intel Merrifield systems.
688 config MFD_INTEL_LPSS
693 config MFD_INTEL_LPSS_ACPI
694 tristate "Intel Low Power Subsystem support in ACPI mode"
695 select MFD_INTEL_LPSS
696 depends on X86 && ACPI
698 This driver supports Intel Low Power Subsystem (LPSS) devices such as
699 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
702 config MFD_INTEL_LPSS_PCI
703 tristate "Intel Low Power Subsystem support in PCI mode"
704 select MFD_INTEL_LPSS
705 depends on X86 && PCI
707 This driver supports Intel Low Power Subsystem (LPSS) devices such as
708 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
711 config MFD_INTEL_PMC_BXT
712 tristate "Intel PMC Driver for Broxton"
714 depends on X86_PLATFORM_DEVICES
719 This driver provides support for the PMC (Power Management
720 Controller) on Intel Broxton and Apollo Lake. The PMC is a
721 multi-function device that exposes IPC, General Control
722 Register and P-unit access. In addition this creates devices
723 for iTCO watchdog and telemetry that are part of the PMC.
725 config MFD_IPAQ_MICRO
726 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
727 depends on SA1100_H3600
730 Select this to get support for the Microcontroller found in
731 the Compaq iPAQ handheld computers. This is an Atmel
732 AT90LS8535 microcontroller flashed with a special iPAQ
733 firmware using the custom protocol implemented in this driver.
736 tristate "Azoteq IQS620A/621/622/624/625 core support"
741 Say Y here if you want to build core support for the Azoteq IQS620A,
742 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional
743 options must be selected to enable device-specific functions.
745 To compile this driver as a module, choose M here: the module will
748 config MFD_JANZ_CMODIO
749 tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
753 This is the core driver for the Janz CMOD-IO PCI MODULbus
754 carrier board. This device is a PCI to MODULbus bridge which may
755 host many different types of MODULbus daughterboards, including
756 CAN and GPIO controllers.
759 tristate "Kontron module PLD device"
762 This is the core driver for the PLD (Programmable Logic Device) found
763 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as
764 well as on some other Kontron products. The PLD device may provide
765 functions like watchdog, GPIO, UART and I2C bus.
767 This driver can also be built as a module. If so, the module
768 will be called kempld-core.
771 tristate "Marvell 88PM800"
777 This supports for Marvell 88PM800 Power Management IC.
778 This includes the I2C driver and the core APIs _only_, you have to
779 select individual components like voltage regulators, RTC and
780 battery-charger under the corresponding menus.
783 tristate "Marvell 88PM805"
789 This supports for Marvell 88PM805 Power Management IC. This includes
790 the I2C driver and the core APIs _only_, you have to select individual
791 components like codec device, headset/Mic device under the
795 bool "Marvell 88PM8606/88PM8607"
800 This supports for Marvell 88PM8606/88PM8607 Power Management IC.
801 This includes the I2C driver and the core APIs _only_, you have to
802 select individual components like voltage regulators, RTC and
803 battery-charger under the corresponding menus.
806 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
813 Say yes here to add support for Maxim Semiconductor MAX14577 and
814 MAX77836 Micro-USB ICs with battery charger.
815 This driver provides common support for accessing the device;
816 additional drivers must be enabled in order to use the functionality
820 tristate "Analog Devices MAX77541/77540 PMIC Support"
826 Say yes here to add support for Analog Devices MAX77541 and
827 MAX77540 Power Management ICs. This driver provides
828 common support for accessing the device; additional drivers
829 must be enabled in order to use the functionality of the device.
830 There are regulators and adc.
833 bool "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
841 Say yes here to add support for Maxim Semiconductor MAX77620 and
842 MAX20024 which are Power Management IC with General purpose pins,
843 RTC, regulators, clock generator, watchdog etc. This driver
844 provides common support for accessing the device; additional drivers
845 must be enabled in order to use the functionality of the device.
848 tristate "Maxim MAX77650/77651 PMIC Support"
855 Say Y here to add support for Maxim Semiconductor MAX77650 and
856 MAX77651 Power Management ICs. This is the core multifunction
857 driver for interacting with the device. The module name is
858 'max77650'. Additional drivers can be enabled in order to use
859 the following functionalities of the device: GPIO, regulator,
863 tristate "Maxim Semiconductor MAX77686/802 PMIC Support"
871 Say yes here to add support for Maxim Semiconductor MAX77686 and
872 MAX77802 which are Power Management IC with an RTC on chip.
873 This driver provides common support for accessing the device;
874 additional drivers must be enabled in order to use the functionality
878 tristate "Maxim Semiconductor MAX77693 PMIC Support"
884 Say yes here to add support for Maxim Semiconductor MAX77693.
885 This is a companion Power Management IC with Flash, Haptic, Charger,
886 and MUIC(Micro USB Interface Controller) controls on chip.
887 This driver provides common support for accessing the device;
888 additional drivers must be enabled in order to use the functionality
892 tristate "Maxim Semiconductor MAX77714 PMIC Support"
898 Say yes here to add support for Maxim Semiconductor MAX77714.
899 This is a Power Management IC with 4 buck regulators, 9
900 low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver
901 provides common support for accessing the device; additional
902 drivers must be enabled in order to use each functionality of the
906 bool "Maxim Semiconductor MAX77843 PMIC Support"
912 Say yes here to add support for Maxim Semiconductor MAX77843.
913 This is companion Power Management IC with LEDs, Haptic, Charger,
914 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.
915 This driver provides common support for accessing the device;
916 additional drivers must be enabled in order to use the functionality
920 tristate "Maxim Semiconductor MAX8907 PMIC Support"
926 Say yes here to add support for Maxim Semiconductor MAX8907. This is
927 a Power Management IC. This driver provides common support for
928 accessing the device; additional drivers must be enabled in order
929 to use the functionality of the device.
932 bool "Maxim Semiconductor MAX8925 PMIC Support"
936 Say yes here to add support for Maxim Semiconductor MAX8925. This is
937 a Power Management IC. This driver provides common support for
938 accessing the device, additional drivers must be enabled in order
939 to use the functionality of the device.
942 bool "Maxim Semiconductor MAX8997/8966 PMIC Support"
947 Say yes here to add support for Maxim Semiconductor MAX8997/8966.
948 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
949 MUIC controls on chip.
950 This driver provides common support for accessing the device;
951 additional drivers must be enabled in order to use the functionality
955 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support"
960 Say yes here to add support for Maxim Semiconductor MAX8998 and
961 National Semiconductor LP3974. This is a Power Management IC.
962 This driver provides common support for accessing the device,
963 additional drivers must be enabled in order to use the functionality
967 tristate "Mediatek MT6360 SubPMIC"
974 Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
975 PMU part includes Charger, Flashlight, RGB LED
976 PMIC part includes 2-channel BUCKs and 2-channel LDOs
977 LDO part includes 4-channel LDOs
980 tristate "MediaTek MT6370 SubPMIC"
986 Say Y here to enable MT6370 SubPMIC functional support.
987 It consists of a single cell battery charger with ADC monitoring, RGB
988 LEDs, dual channel flashlight, WLED backlight driver, display bias
989 voltage supply, one general purpose LDO, and the USB Type-C & PD
990 controller complies with the latest USB Type-C and PD standards.
992 This driver can also be built as a module. If so, the module
993 will be called "mt6370".
996 tristate "MediaTek MT6397 PMIC Support"
1000 Say yes here to add support for MediaTek MT6397 PMIC. This is
1001 a Power Management IC. This driver provides common support for
1002 accessing the device; additional drivers must be enabled in order
1003 to use the functionality of the device.
1005 config MFD_MENF21BMC
1006 tristate "MEN 14F021P00 Board Management Controller Support"
1010 Say yes here to add support for the MEN 14F021P00 BMC
1011 which is a Board Management Controller connected to the I2C bus.
1012 The device supports multiple sub-devices like LED, HWMON and WDT.
1013 This driver provides common support for accessing the devices;
1014 additional drivers must be enabled in order to use the
1015 functionality of the BMC device.
1017 This driver can also be built as a module. If so the module
1018 will be called menf21bmc.
1021 tristate "Microsemi Ocelot External Control Support"
1022 depends on SPI_MASTER
1026 Ocelot is a family of networking chips that support multiple ethernet
1027 and fibre interfaces. In addition to networking, they contain several
1028 other functions, including pinctrl, MDIO, and communication with
1029 external chips. While some chips have an internal processor capable of
1030 running an OS, others don't. All chips can be controlled externally
1031 through different interfaces, including SPI, I2C, and PCIe.
1033 Say yes here to add support for Ocelot chips (VSC7511, VSC7512,
1034 VSC7513, VSC7514) controlled externally.
1036 To compile this driver as a module, choose M here: the module will be
1042 bool "Motorola EZXPCAP Support"
1043 depends on SPI_MASTER
1045 This enables the PCAP ASIC present on EZX Phones. This is
1046 needed for MMC, TouchScreen, Sound, USB, etc..
1049 tristate "Support for Motorola CPCAP"
1056 Say yes here if you want to include driver for CPCAP.
1057 It is used on many Motorola phones and tablets as a PMIC.
1058 At least Motorola Droid 4 is known to use CPCAP.
1060 config MFD_VIPERBOARD
1061 tristate "Nano River Technologies Viperboard"
1066 Say yes here if you want support for Nano River Technologies
1068 There are mfd cell drivers available for i2c master, adc and
1069 both gpios found on the board. The spi part does not yet
1071 You need to select the mfd cell drivers separately.
1072 The drivers do not support all features the board exposes.
1075 tristate "Netronix embedded controller (EC)"
1081 Say yes here if you want to support the embedded controller found in
1082 certain e-book readers designed by the original design manufacturer
1086 tristate "Nokia Retu and Tahvo multi-function device"
1091 Retu and Tahvo are a multi-function devices found on Nokia
1092 Internet Tablets (770, N800 and N810).
1095 tristate "NXP PCF50633"
1099 Say yes here if you have NXP PCF50633 chip on your board.
1100 This core driver provides register access and IRQ handling
1101 facilities, and registers devices for the various functions
1102 so that function-specific drivers can bind to them.
1105 tristate "NXP PCF50633 ADC"
1106 depends on MFD_PCF50633
1108 Say yes here if you want to include support for ADC in the
1111 config PCF50633_GPIO
1112 tristate "NXP PCF50633 GPIO"
1113 depends on MFD_PCF50633
1115 Say yes here if you want to include support GPIO for pins on
1119 tristate "Qualcomm PM8xxx PMIC chips driver"
1120 depends on (ARM || HEXAGON || COMPILE_TEST)
1121 select IRQ_DOMAIN_HIERARCHY
1125 If you say yes to this option, support will be included for the
1126 built-in PM8xxx PMIC chips.
1128 This is required if your board has a PM8xxx and uses its features,
1129 such as: MPPs, GPIOs, regulators, interrupts, and PWM.
1131 Say M here if you want to include support for PM8xxx chips as a
1132 module. This will build a module called "pm8xxx-core".
1135 tristate "Qualcomm Resource Power Manager (RPM)"
1136 depends on ARCH_QCOM && OF
1138 If you say yes to this option, support will be included for the
1139 Resource Power Manager system found in the Qualcomm 8660, 8960 and
1142 This is required to access many regulators, clocks and bus
1143 frequencies controlled by the RPM on these devices.
1145 Say M here if you want to include support for the Qualcomm RPM as a
1146 module. This will build a module called "qcom_rpm".
1148 config MFD_SPMI_PMIC
1149 tristate "Qualcomm SPMI PMICs"
1150 depends on ARCH_QCOM || COMPILE_TEST
1155 This enables support for the Qualcomm SPMI PMICs.
1156 These PMICs are currently used with the Snapdragon 800 series of
1157 SoCs. Note, that this will only be useful paired with descriptions
1158 of the independent functions as children nodes in the device tree.
1160 Say M here if you want to include support for the SPMI PMIC
1161 series as a module. The module will be called "qcom-spmi-pmic".
1164 tristate "Silergy SY7636A voltage regulator"
1166 select MFD_SIMPLE_MFD_I2C
1168 Enable support for Silergy SY7636A voltage regulator.
1170 To enable support for building sub-devices as modules,
1173 config MFD_RASPBERRYPI_POE_HAT
1174 tristate "Raspberry Pi PoE HAT MFD"
1176 select MFD_SIMPLE_MFD_I2C
1178 This module supports the PWM fan controller found on the Raspberry Pi
1179 POE and POE+ HAT boards, and the power supply driver on the POE+ HAT.
1180 (Functionally it relies on MFD_SIMPLE_MFD_I2C to provide the framework
1181 that loads the child drivers).
1184 tristate "RDC R-321x southbridge"
1188 Say yes here if you want to have support for the RDC R-321x SoC
1189 southbridge which provides access to GPIOs and Watchdog using the
1190 southbridge PCI device configuration space.
1193 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage"
1198 This enables support for the Richtek RT4831 that includes 4 channel
1199 WLED driving and Display Bias Voltage. It's commonly used to provide
1200 power to the LCD display and LCD backlight.
1203 tristate "Richtek RT5033 Power Management IC"
1209 This driver provides for the Richtek RT5033 Power Management IC,
1210 which includes the I2C driver and the Core APIs. This driver provides
1211 common support for accessing the device. The device supports multiple
1212 sub-devices like charger, fuel gauge, flash LED, current source,
1216 tristate "Richtek RT5120 Power Management IC"
1222 The enables support for Richtek RT5120 PMIC. It includes four high
1223 efficiency buck converters and one LDO voltage regulator. The device
1224 is targeted at providing the CPU voltage, memory, I/O and peripheral
1225 power rails in home entertainment devices.
1228 bool "Ricoh RC5T583 Power Management system device"
1233 Select this option to get support for the RICOH583 Power
1234 Management system device.
1235 This driver provides common support for accessing the device
1236 through i2c interface. The device supports multiple sub-devices
1237 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey.
1238 Additional drivers must be enabled in order to use the
1239 different functionality of the device.
1245 config MFD_RK8XX_I2C
1246 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip"
1247 depends on I2C && OF
1253 If you say yes here you get support for the RK805, RK808, RK809,
1254 RK817 and RK818 Power Management chips.
1255 This driver provides common support for accessing the device
1256 through I2C interface. The device supports multiple sub-devices
1257 including interrupts, RTC, LDO & DCDC regulators, and onkey.
1259 config MFD_RK8XX_SPI
1260 tristate "Rockchip RK806 Power Management Chip"
1261 depends on SPI && OF
1267 If you say yes here you get support for the RK806 Power Management
1269 This driver provides common support for accessing the device
1270 through an SPI interface. The device supports multiple sub-devices
1271 including interrupts, LDO & DCDC regulators, and power on-key.
1274 tristate "Ricoh RN5T567/618 PMIC"
1281 Say yes here to add support for the Ricoh RN5T567,
1282 RN5T618, RC5T619 PMIC.
1283 This driver provides common support for accessing the device,
1284 additional drivers must be enabled in order to use the
1285 functionality of the device.
1288 tristate "Samsung Electronics PMIC Series Support"
1295 Support for the Samsung Electronics PMIC devices coming
1296 usually along with Samsung Exynos SoC chipset.
1297 This driver provides common support for accessing the device,
1298 additional drivers must be enabled in order to use the functionality
1301 To compile this driver as a module, choose M here: the
1302 module will be called sec-core.
1303 Have in mind that important core drivers (like regulators) depend
1304 on this driver so building this as a module might require proper
1305 initial ramdisk or might not boot up as well in certain scenarios.
1307 config MFD_SI476X_CORE
1308 tristate "Silicon Laboratories 4761/64/68 AM/FM radio."
1313 This is the core driver for the SI476x series of AM/FM
1314 radio. This MFD driver connects the radio-si476x V4L2 module
1315 and the si476x audio codec.
1317 To compile this driver as a module, choose M here: the
1318 module will be called si476x-core.
1320 config MFD_SIMPLE_MFD_I2C
1326 This driver creates a single register map with the intention for it
1327 to be shared by all sub-devices.
1329 Once the register map has been successfully initialised, any
1330 sub-devices represented by child nodes in Device Tree will be
1331 subsequently registered.
1334 tristate "Kontron sl28cpld Board Management Controller"
1336 depends on ARCH_LAYERSCAPE || COMPILE_TEST
1337 select MFD_SIMPLE_MFD_I2C
1339 Say yes here to enable support for the Kontron sl28cpld board
1340 management controller.
1342 It can be found on the following boards:
1346 tristate "Silicon Motion SM501"
1349 This is the core driver for the Silicon Motion SM501 multimedia
1350 companion chip. This device is a multifunction device which may
1351 provide numerous interfaces including USB host controller, USB gadget,
1352 asynchronous serial ports, audio functions, and a dual display video
1353 interface. The device may be connected by PCI or local bus with
1354 varying functions enabled.
1356 config MFD_SM501_GPIO
1357 bool "Export GPIO via GPIO layer"
1358 depends on MFD_SM501 && GPIOLIB
1360 This option uses the gpio library layer to export the 64 GPIO
1361 lines on the SM501. The platform data is used to supply the
1362 base number for the first GPIO line to register.
1365 tristate "Skyworks Solutions SKY81452"
1370 This is the core driver for the Skyworks SKY81452 backlight and
1371 voltage regulator device.
1373 This driver can also be built as a module. If so, the module
1374 will be called sky81452.
1376 config MFD_SC27XX_PMIC
1377 tristate "Spreadtrum SC27xx PMICs"
1378 depends on ARCH_SPRD || COMPILE_TEST
1379 depends on SPI_MASTER
1384 This enables support for the Spreadtrum SC27xx PMICs with SPI
1385 interface. The SC27xx series PMICs integrate power management,
1386 audio codec, battery management and user interface support
1387 function (such as RTC, Typec, indicator and so on) in a single chip.
1389 This driver provides common support for accessing the SC27xx PMICs,
1390 and it also adds the irq_chip parts for handling the PMIC chip events.
1393 tristate "Renesas RZ/G2L MTU3a core driver"
1394 depends on (ARCH_RZG2L && OF) || COMPILE_TEST
1397 Select this option to enable Renesas RZ/G2L MTU3a core driver for
1398 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available
1399 on SoCs from Renesas. The core driver shares the clk and channel
1400 register access for the other child devices like Counter, PWM,
1401 Clock Source, and Clock event.
1404 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
1405 depends on ARCH_U8500 || COMPILE_TEST
1406 default y if ARCH_U8500
1408 Say yes here if you have the ABX500 Mixed Signal IC family
1409 chips. This core driver expose register access functions.
1410 Functionality specific drivers using these functions can
1411 remain unchanged when IC changes. Binding of the functions to
1412 actual register access is done by the IC core driver.
1415 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
1416 depends on ABX500_CORE && MFD_DB8500_PRCMU
1421 Select this option to enable access to AB8500 power management
1422 chip. This connects to U8500 either on the SSP/SPI bus (deprecated
1423 since hardware version v1.0) or the I2C bus via PRCMU. It also adds
1424 the irq_chip parts for handling the Mixed Signal chip events.
1425 This chip embeds various other multimedia functionalities as well.
1427 config MFD_DB8500_PRCMU
1428 bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
1429 depends on UX500_SOC_DB8500
1432 Select this option to enable support for the DB8500 Power Reset
1433 and Control Management Unit. This is basically an autonomous
1434 system controller running an XP70 microprocessor, which is accessed
1435 through a register map.
1438 bool "STMicroelectronics STMPE"
1439 depends on (I2C=y || SPI_MASTER=y)
1443 Support for the STMPE family of I/O Expanders from
1446 Currently supported devices are:
1448 STMPE811: GPIO, Touchscreen, ADC
1449 STMPE1601: GPIO, Keypad
1450 STMPE1801: GPIO, Keypad
1451 STMPE2401: GPIO, Keypad
1452 STMPE2403: GPIO, Keypad
1454 This driver provides common support for accessing the device,
1455 additional drivers must be enabled in order to use the functionality
1456 of the device. Currently available sub drivers are:
1459 Keypad: stmpe-keypad
1460 Touchscreen: stmpe-ts
1463 menu "STMicroelectronics STMPE Interface Drivers"
1464 depends on MFD_STMPE
1467 bool "STMicroelectronics STMPE I2C Interface"
1471 This is used to enable I2C interface of STMPE
1474 bool "STMicroelectronics STMPE SPI Interface"
1475 depends on SPI_MASTER
1477 This is used to enable SPI interface of STMPE
1481 bool "STMicroelectronics STA2X11"
1486 config MFD_SUN6I_PRCM
1487 bool "Allwinner A31/A23/A33 PRCM controller"
1488 depends on ARCH_SUNXI || COMPILE_TEST
1491 Support for the PRCM (Power/Reset/Clock Management) unit available
1492 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar
1493 hardware, but they do not use this driver.
1496 bool "System Controller Register R/W Based on Regmap"
1499 Select this option to enable accessing system control registers
1502 config MFD_TI_AM335X_TSCADC
1503 tristate "TI ADC / Touch Screen chip support"
1504 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
1509 If you say yes here you get support for Texas Instruments series
1510 of Touch Screen /ADC chips.
1511 To compile this driver as a module, choose M here: the
1512 module will be called ti_am335x_tscadc.
1515 tristate "TI/National Semiconductor LP3943 MFD Driver"
1520 Support for the TI/National Semiconductor LP3943.
1521 This driver consists of GPIO and PWM drivers.
1522 With these functionalities, it can be used for LED string control or
1523 general usage such like a GPIO controller and a PWM controller.
1526 bool "TI LP8788 Power Management Unit Driver"
1532 TI LP8788 PMU supports regulators, battery charger, RTC,
1533 ADC, backlight driver and current sinks.
1536 tristate "TI Lighting Management Unit driver"
1541 Say yes here to enable support for TI LMU chips.
1542 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and
1543 LM36274. It consists of backlight, LED and regulator driver.
1544 It provides consistent device controls for lighting functions.
1546 config MFD_OMAP_USB_HOST
1547 bool "TI OMAP USBHS core and TLL driver"
1548 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
1549 depends on COMMON_CLK
1552 This is the core driver for the OAMP EHCI and OHCI drivers.
1553 This MFD driver does the required setup functionalities for
1554 OMAP USB Host drivers.
1557 tristate "TI Palmas series chips"
1563 If you say yes here you get support for the Palmas
1564 series of PMIC chips from Texas Instruments.
1567 tristate "TI TPS61050/61052 Boost Converters"
1572 select REGULATOR_FIXED_VOLTAGE
1574 This option enables a driver for the TP61050/TPS61052
1575 high-power "white LED driver". This boost converter is
1576 sometimes used for other things than white LEDs, and
1577 also contains a GPIO pin.
1580 tristate "TI TPS6501x Power Management chips"
1581 depends on I2C && GPIOLIB
1582 default MACH_OMAP_OSK
1584 If you say yes here you get support for the TPS6501x series of
1585 Power Management chips. These include voltage regulators,
1586 lithium ion/polymer battery charging, and other features that
1587 are often used in portable devices like cell phones and cameras.
1589 This driver can also be built as a module. If so, the module
1590 will be called tps65010.
1593 tristate "TI TPS6507x Power Management / Touch Screen chips"
1597 If you say yes here you get support for the TPS6507x series of
1598 Power Management / Touch Screen chips. These include voltage
1599 regulators, lithium ion/polymer battery charging, touch screen
1600 and other features that are often used in portable devices.
1601 This driver can also be built as a module. If so, the module
1602 will be called tps6507x.
1605 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
1612 If you say yes here you get support for the TPS65086 series of
1613 Power Management chips.
1614 This driver provides common support for accessing the device,
1615 additional drivers must be enabled in order to use the
1616 functionality of the device.
1618 config TPS65911_COMPARATOR
1622 bool "TI TPS65090 Power Management chips"
1628 If you say yes here you get support for the TPS65090 series of
1629 Power Management chips.
1630 This driver provides common support for accessing the device,
1631 additional drivers must be enabled in order to use the
1632 functionality of the device.
1635 tristate "TI TPS65217 Power Management / White LED chips"
1636 depends on I2C && OF
1641 If you say yes here you get support for the TPS65217 series of
1642 Power Management / White LED chips.
1643 These include voltage regulators, lithium ion/polymer battery
1644 charger, wled and other features that are often used in portable
1647 This driver can also be built as a module. If so, the module
1648 will be called tps65217.
1650 config MFD_TI_LP873X
1651 tristate "TI LP873X Power Management IC"
1656 If you say yes here then you get support for the LP873X series of
1657 Power Management Integrated Circuits (PMIC).
1658 These include voltage regulators, thermal protection, configurable
1659 General Purpose Outputs (GPO) that are used in portable devices.
1661 This driver can also be built as a module. If so, the module
1662 will be called lp873x.
1664 config MFD_TI_LP87565
1665 tristate "TI LP87565 Power Management IC"
1666 depends on I2C && OF
1670 If you say yes here then you get support for the LP87565 series of
1671 Power Management Integrated Circuits (PMIC).
1672 These include voltage regulators, thermal protection, configurable
1673 General Purpose Outputs (GPO) that are used in portable devices.
1675 This driver can also be built as a module. If so, the module
1676 will be called lp87565.
1679 tristate "TI TPS65218 Power Management chips"
1680 depends on I2C && OF
1685 If you say yes here you get support for the TPS65218 series of
1686 Power Management chips.
1687 These include voltage regulators, gpio and other features
1688 that are often used in portable devices.
1690 This driver can also be built as a module. If so, the module
1691 will be called tps65218.
1694 tristate "TI TPS65219 Power Management IC"
1695 depends on I2C && OF
1700 If you say yes here you get support for the TPS65219 series of Power
1701 Management ICs. These include voltage regulators, GPIOs and
1702 push/power button that is often used in portable devices.
1704 This driver can also be built as a module. If so, the module
1705 will be called tps65219.
1708 bool "TI TPS6586x Power Management chips"
1713 If you say yes here you get support for the TPS6586X series of
1714 Power Management chips.
1715 This driver provides common support for accessing the device,
1716 additional drivers must be enabled in order to use the
1717 functionality of the device.
1719 This driver can also be built as a module. If so, the module
1720 will be called tps6586x.
1723 bool "TI TPS65910 Power Management chip"
1725 depends on GPIOLIB || COMPILE_TEST
1731 if you say yes here you get support for the TPS65910 series of
1732 Power Management chips.
1740 config MFD_TPS65912_I2C
1741 tristate "TI TPS65912 Power Management chip with I2C"
1746 If you say yes here you get support for the TPS65912 series of
1747 PM chips with I2C interface.
1749 config MFD_TPS65912_SPI
1750 tristate "TI TPS65912 Power Management chip with SPI"
1753 depends on SPI_MASTER
1755 If you say yes here you get support for the TPS65912 series of
1756 PM chips with SPI interface.
1764 config MFD_TPS6594_I2C
1765 tristate "TI TPS6594 Power Management chip with I2C"
1771 If you say yes here you get support for the TPS6594 series of
1772 PM chips with I2C interface.
1774 This driver can also be built as a module. If so, the module
1775 will be called tps6594-i2c.
1777 config MFD_TPS6594_SPI
1778 tristate "TI TPS6594 Power Management chip with SPI"
1782 depends on SPI_MASTER
1784 If you say yes here you get support for the TPS6594 series of
1785 PM chips with SPI interface.
1787 This driver can also be built as a module. If so, the module
1788 will be called tps6594-spi.
1791 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
1796 Say yes here if you have TWL4030 / TWL6030 family chip on your board.
1797 This core driver provides register access and IRQ handling
1798 facilities, and registers devices for the various functions
1799 so that function-specific drivers can bind to them.
1801 These multi-function chips are found on many OMAP2 and OMAP3
1802 boards, providing power management, RTC, GPIO, keypad, a
1803 high speed USB OTG transceiver, an audio codec (on most
1804 versions) and many other features.
1806 config TWL4030_POWER
1807 bool "TI TWL4030 power resources"
1808 depends on TWL4030_CORE && ARM
1810 Say yes here if you want to use the power resources on the
1811 TWL4030 family chips. Most of these resources are regulators,
1812 which have a separate driver; some are control signals, such
1813 as clock request handshaking.
1815 This driver uses board-specific data to initialize the resources
1816 and load scripts controlling which resources are switched off/on
1817 or reset when a sleep, wakeup or warm reset event occurs.
1819 config MFD_TWL4030_AUDIO
1820 bool "TI TWL4030 Audio"
1821 depends on TWL4030_CORE
1826 bool "TI TWL6040 audio codec"
1833 Say yes here if you want support for Texas Instruments TWL6040 audio
1835 This driver provides common support for accessing the device,
1836 additional drivers must be enabled in order to use the
1837 functionality of the device (audio, vibra).
1840 bool "TI TWL92330/Menelaus PM chip"
1841 depends on I2C=y && ARCH_OMAP2
1843 If you say yes here you get support for the Texas Instruments
1844 TWL92330/Menelaus Power Management chip. This include voltage
1845 regulators, Dual slot memory card transceivers, real-time clock
1846 and other features that are often used in portable devices like
1847 cell phones and PDAs.
1849 config MFD_WL1273_CORE
1850 tristate "TI WL1273 FM radio"
1855 This is the core driver for the TI WL1273 FM radio. This MFD
1856 driver connects the radio-wl1273 V4L2 module and the wl1273
1860 tristate "TI/National Semiconductor LM3533 Lighting Power chip"
1865 Say yes here to enable support for National Semiconductor / TI
1866 LM3533 Lighting Power chips.
1868 This driver provides common support for accessing the device;
1869 additional drivers must be enabled in order to use the LED,
1870 backlight or ambient-light-sensor functionality of the device.
1872 config MFD_TIMBERDALE
1873 tristate "Timberdale FPGA"
1875 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
1877 This is the core driver for the timberdale FPGA. This device is a
1878 multifunction device which exposes numerous platform devices.
1880 The timberdale FPGA can be found on the Intel Atom development board
1881 for in-vehicle infontainment, called Russellville.
1884 bool "Toshiba TC35892 and variants"
1889 Support for the Toshiba TC35892 and variants I/O Expander.
1891 This driver provides common support for accessing the device,
1892 additional drivers must be enabled in order to use the
1893 functionality of the device.
1896 tristate "TQ-Systems IO controller TQMX86"
1899 Say yes here to enable support for various functions of the
1900 TQ-Systems IO controller and watchdog device, found on their
1901 ComExpress CPU modules.
1904 tristate "VIA VX855/VX875 integrated south bridge"
1908 Say yes here to enable support for various functions of the
1909 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi
1910 and/or vx855_gpio drivers for this to do anything useful.
1912 config MFD_LOCHNAGAR
1913 bool "Cirrus Logic Lochnagar Audio Development Board"
1916 depends on I2C=y && OF
1918 Support for Cirrus Logic Lochnagar audio development board.
1926 config MFD_ARIZONA_I2C
1927 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
1932 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
1933 audio SoC core functionality controlled via I2C.
1935 config MFD_ARIZONA_SPI
1936 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI"
1939 depends on SPI_MASTER
1941 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
1942 audio SoC core functionality controlled via SPI.
1945 bool "Cirrus Logic CS47L24 and WM1831"
1946 depends on MFD_ARIZONA
1948 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC
1951 bool "Wolfson Microelectronics WM5102"
1952 depends on MFD_ARIZONA
1954 Support for Wolfson Microelectronics WM5102 low power audio SoC
1957 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281"
1958 depends on MFD_ARIZONA
1960 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281
1964 bool "Wolfson Microelectronics WM8997"
1965 depends on MFD_ARIZONA
1967 Support for Wolfson Microelectronics WM8997 low power audio SoC
1970 bool "Wolfson Microelectronics WM8998"
1971 depends on MFD_ARIZONA
1973 Support for Wolfson Microelectronics WM8998 low power audio SoC
1976 bool "Wolfson Microelectronics WM8400"
1981 Support for the Wolfson Microelecronics WM8400 PMIC and audio
1982 CODEC. This driver provides common support for accessing
1983 the device, additional drivers must be enabled in order to use
1984 the functionality of the device.
1989 config MFD_WM831X_I2C
1990 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C"
1997 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
1998 when controlled using I2C. This driver provides common support
1999 for accessing the device, additional drivers must be enabled in
2000 order to use the functionality of the device.
2002 config MFD_WM831X_SPI
2003 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI"
2008 depends on SPI_MASTER
2010 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
2011 when controlled using SPI. This driver provides common support
2012 for accessing the device, additional drivers must be enabled in
2013 order to use the functionality of the device.
2018 config MFD_WM8350_I2C
2019 bool "Wolfson Microelectronics WM8350 with I2C"
2024 The WM8350 is an integrated audio and power management
2025 subsystem with watchdog and RTC functionality for embedded
2026 systems. This option enables core support for the WM8350 with
2027 I2C as the control interface. Additional options must be
2028 selected to enable support for the functionality of the chip.
2031 tristate "Wolfson Microelectronics WM8994"
2037 The WM8994 is a highly integrated hi-fi CODEC designed for
2038 smartphone applications. As well as audio functionality it
2039 has on board GPIO and regulator functionality which is
2040 supported via the relevant subsystems. This driver provides
2041 core support for the WM8994, in order to use the actual
2042 functionality of the device other drivers must be enabled.
2045 tristate "Wolfson Microelectronics WM97xx"
2048 select AC97_BUS_COMPAT
2049 depends on AC97_BUS_NEW
2051 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC
2052 designed for smartphone applications. As well as audio functionality
2053 it has on board GPIO and a touchscreen functionality which is
2054 supported via the relevant subsystems. This driver provides core
2055 support for the WM97xx, in order to use the actual functionality of
2056 the device other drivers must be enabled.
2059 tristate "Support for ST Microelectronics STw481x"
2060 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
2064 Select this option to enable the STw481x chip driver used
2065 in various ST Microelectronics and ST-Ericsson embedded
2068 config MFD_ROHM_BD718XX
2069 tristate "ROHM BD71837 Power Management IC"
2076 Select this option to get support for the ROHM BD71837
2077 Power Management ICs. BD71837 is designed to power processors like
2078 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring
2079 and emergency shut down as well as 32,768KHz clock output.
2081 config MFD_ROHM_BD71828
2082 tristate "ROHM BD71828 and BD71815 Power Management IC"
2089 Select this option to get support for the ROHM BD71828 and BD71815
2090 Power Management ICs. BD71828GW and BD71815AGW are single-chip power
2091 management ICs mainly for battery-powered portable devices.
2092 The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815
2093 has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide
2094 also a single-cell linear charger, a Coulomb counter, a real-time
2095 clock (RTC), GPIOs and a 32.768 kHz clock gate.
2097 config MFD_ROHM_BD957XMUF
2098 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs"
2105 Select this option to get support for the ROHM BD9576MUF and
2106 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily
2107 designed to be used to power R-Car series processors.
2109 config MFD_STM32_LPTIMER
2110 tristate "Support for STM32 Low-Power Timer"
2111 depends on (ARCH_STM32 && OF) || COMPILE_TEST
2116 Select this option to enable STM32 Low-Power Timer driver
2117 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared
2118 resources are also dealt with here.
2120 To compile this driver as a module, choose M here: the
2121 module will be called stm32-lptimer.
2123 config MFD_STM32_TIMERS
2124 tristate "Support for STM32 Timers"
2125 depends on (ARCH_STM32 && OF) || COMPILE_TEST
2130 Select this option to enable STM32 timers driver used
2131 for PWM and IIO Timer. This driver allow to share the
2132 registers between the others drivers.
2135 tristate "Support for STPMIC1 PMIC"
2136 depends on (I2C=y && OF)
2141 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on
2142 key, watchdog and regulator functionalities which are supported via
2143 the relevant subsystems. This driver provides core support for the
2144 STPMIC1. In order to use the actual functionality of the device other
2145 drivers must be enabled.
2147 To compile this driver as a module, choose M here: the
2148 module will be called stpmic1.
2151 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)"
2157 Support for the STMicroelectronics Multi-Function eXpander.
2159 This driver provides common support for accessing the device,
2160 additional drivers must be enabled in order to use the functionality
2164 tristate "Support for WCD9340/WCD9341 Codec"
2167 select REGMAP_SLIMBUS
2171 Support for the Qualcomm WCD9340/WCD9341 Codec.
2172 This driver provides common support WCD934x audio codec and its
2173 associated Pin Controller, Soundwire Controller and Audio codec.
2181 config MFD_ATC260X_I2C
2182 tristate "Actions Semi ATC260x PMICs with I2C"
2187 Support for the Actions Semi ATC260x PMICs controlled via I2C.
2189 This driver provides common support for accessing the ATC2603C
2190 and ATC2609A chip variants, additional drivers must be enabled
2191 in order to use the functionality of the device.
2193 config MFD_KHADAS_MCU
2194 tristate "Support for Khadas System control Microcontroller"
2196 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST
2200 Support for the Khadas System control Microcontroller interface
2201 present on their VIM and Edge boards.
2203 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and
2206 It provides multiple boot control features like password check,
2207 power-on options, power-off control and system FAN control on recent
2210 This driver provides common support for accessing the device,
2211 additional drivers must be enabled in order to use the functionality
2214 config MFD_ACER_A500_EC
2215 tristate "Support for Acer Iconia Tab A500 Embedded Controller"
2217 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST
2221 Support for Embedded Controller found on Acer Iconia Tab A500.
2222 The controller itself is ENE KB930, it is running firmware
2223 customized for the specific needs of the Acer A500 hardware.
2225 config MFD_QCOM_PM8008
2226 tristate "QCOM PM8008 Power Management IC"
2227 depends on I2C && OF
2231 Select this option to get support for the Qualcomm Technologies, Inc.
2232 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates
2233 all the necessary power management, housekeeping, and interface
2234 support functions into a single IC. This driver provides common
2235 support for accessing the device by instantiating all the child nodes
2236 under it in the device tree. Additional drivers must be enabled in
2237 order to use the functionality of the device.
2239 menu "Multimedia Capabilities Port drivers"
2240 depends on ARCH_SA1100
2247 tristate "Support SA11x0 MCP interface"
2248 depends on ARCH_SA1100
2253 tristate "Support for UCB1200 / UCB1300"
2254 depends on MCP_SA11X0
2257 config MCP_UCB1200_TS
2258 tristate "Touchscreen interface support"
2259 depends on MCP_UCB1200 && INPUT
2263 config MFD_VEXPRESS_SYSREG
2264 tristate "Versatile Express System Registers"
2265 depends on VEXPRESS_CONFIG && GPIOLIB
2267 select GPIO_GENERIC_PLATFORM
2271 System Registers are the platform configuration block
2272 on the ARM Ltd. Versatile Express board.
2275 tristate "RAVE SP MCU core driver"
2276 depends on SERIAL_DEV_BUS
2279 Select this to get support for the Supervisory Processor
2280 device found on several devices in RAVE line of hardware.
2283 bool "SGI IOC3 core driver"
2284 depends on PCI && MIPS && 64BIT
2287 This option enables basic support for the SGI IOC3-based
2288 controller cards. This option does not enable any specific
2289 functions on such a card, but provides necessary infrastructure
2290 for other drivers to utilize.
2292 If you have an SGI Origin, Octane, or a PCI IOC3 card,
2293 then say Y. Otherwise say N.
2295 config MFD_INTEL_M10_BMC_CORE
2301 config MFD_INTEL_M10_BMC_SPI
2302 tristate "Intel MAX 10 Board Management Controller with SPI"
2303 depends on SPI_MASTER
2304 select MFD_INTEL_M10_BMC_CORE
2305 select REGMAP_SPI_AVMM
2307 Support for the Intel MAX 10 board management controller using the
2310 This driver provides common support for accessing the device,
2311 additional drivers must be enabled in order to use the functionality
2314 config MFD_INTEL_M10_BMC_PMCI
2315 tristate "Intel MAX 10 Board Management Controller with PMCI"
2317 select MFD_INTEL_M10_BMC_CORE
2320 Support for the Intel MAX 10 board management controller via PMCI.
2322 This driver provides common support for accessing the device,
2323 additional drivers must be enabled in order to use the functionality
2327 tristate "RP1 MFD driver"
2331 Support for the RP1 peripheral chip.
2333 This driver provides support for the Raspberry Pi RP1 peripheral chip.
2334 It is responsible for enabling the Device Tree node once the PCIe endpoint
2335 has been configured, and handling interrupts.
2338 tristate "Renesas Synchronization Management Unit with I2C"
2339 depends on I2C && OF
2343 Support for the Renesas Synchronization Management Unit, such as
2344 Clockmatrix and 82P33XXX series. This option supports I2C as
2345 the control interface.
2347 This driver provides common support for accessing the device.
2348 Additional drivers must be enabled in order to use the functionality
2352 tristate "Renesas Synchronization Management Unit with SPI"
2353 depends on SPI && OF
2357 Support for the Renesas Synchronization Management Unit, such as
2358 Clockmatrix and 82P33XXX series. This option supports SPI as
2359 the control interface.
2361 This driver provides common support for accessing the device.
2362 Additional drivers must be enabled in order to use the functionality