1 # SPDX-License-Identifier: GPL-2.0-only
3 # Multifunction miscellaneous devices
7 menu "Multifunction device drivers"
15 tristate "AMD CS5535 and CS5536 southbridge core functions"
17 depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
19 This is the core driver for CS5535/CS5536 MFD functions. This is
20 necessary for using the board's GPIO and MFGPT functionality.
22 config MFD_ALTERA_A10SR
23 bool "Altera Arria10 DevKit System Resource chip"
24 depends on ARCH_SOCFPGA && SPI_MASTER=y && OF
28 Support for the Altera Arria10 DevKit MAX5 System Resource chip
29 using the SPI interface. This driver provides common support for
30 accessing the external gpio extender (LEDs & buttons) and
31 power supply alarms (hwmon).
33 config MFD_ALTERA_SYSMGR
34 bool "Altera SOCFPGA System Manager"
35 depends on (ARCH_SOCFPGA || ARCH_STRATIX10) && OF
38 Select this to get System Manager support for all Altera branded
39 SOCFPGAs. The SOCFPGA System Manager handles all SOCFPGAs by
40 using regmap_mmio accesses for ARM32 parts and SMC calls to
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
51 linear regulators, along with a complete ActivePath battery
54 config MFD_SUN4I_GPADC
55 tristate "Allwinner sunxi platforms' GPADC MFD driver"
59 depends on ARCH_SUNXI || COMPILE_TEST
60 depends on !TOUCHSCREEN_SUN4I
62 Select this to get support for Allwinner SoCs (A10, A13 and A31) ADC.
63 This driver will only map the hardware interrupt and registers, you
64 have to select individual drivers based on this MFD to be able to use
65 the ADC or the thermal sensor. This will try to probe the ADC driver
66 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
68 To compile this driver as a module, choose M here: the module will be
78 Support for the AS3711 PMIC from AMS
81 tristate "ams AS3722 Power Management IC"
85 depends on I2C=y && OF
87 The ams AS3722 is a compact system PMU suitable for mobile phones,
88 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
89 controllers, 11 LDOs, RTC, automatic battery, temperature and
90 over current monitoring, GPIOs, ADC and a watchdog.
93 bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
96 Say yes here to add support for Analog Devices AD5520 and ADP5501,
97 Multifunction Power Management IC. This includes
98 the I2C driver and the core APIs _only_, you have to select
99 individual components like LCD backlight, LEDs, GPIOs and Kepad
100 under the corresponding menus.
102 config MFD_AAT2870_CORE
103 bool "AnalogicTech AAT2870"
106 depends on GPIOLIB || COMPILE_TEST
108 If you say yes here you get support for the AAT2870.
109 This driver provides common support for accessing the device,
110 additional drivers must be enabled in order to use the
111 functionality of the device.
113 config MFD_AT91_USART
114 tristate "AT91 USART Driver"
116 depends on ARCH_AT91 || COMPILE_TEST
118 Select this to get support for AT91 USART IP. This is a wrapper
119 over at91-usart-serial driver and usart-spi-driver. Only one function
120 can be used at a time. The choice is done at boot time by the probe
121 function of this MFD driver according to a device tree property.
123 config MFD_ATMEL_FLEXCOM
124 tristate "Atmel Flexcom (Flexible Serial Communication Unit)"
128 Select this to get support for Atmel Flexcom. This is a wrapper
129 which embeds a SPI controller, a I2C controller and a USART. Only
130 one function can be used at a time. The choice is done at boot time
131 by the probe function of this MFD driver according to a device tree
134 config MFD_ATMEL_HLCDC
135 tristate "Atmel HLCDC (High-end LCD Controller)"
140 If you say yes here you get support for the HLCDC block.
141 This driver provides common support for accessing the device,
142 additional drivers must be enabled in order to use the
143 functionality of the device.
150 tristate "Broadcom BCM590xx PMUs"
155 Support for the BCM590xx PMUs from Broadcom
158 tristate "ROHM BD9571MWV PMIC"
164 Support for the ROHM BD9571MWV PMIC, which contains single
165 voltage regulator, voltage sampling units, GPIO block and
168 This driver can also be built as a module. If so, the module
169 will be called bd9571mwv.
172 tristate "X-Powers AC100"
176 If you say Y here you get support for the X-Powers AC100 audio codec
178 This driver include only the core APIs. You have to select individual
179 components like codecs or RTC under the corresponding menus.
186 config MFD_AXP20X_I2C
187 tristate "X-Powers AXP series PMICs with I2C"
192 If you say Y here you get support for the X-Powers AXP series power
193 management ICs (PMICs) controlled with I2C.
194 This driver include only the core APIs. You have to select individual
195 components like regulators or the PEK (Power Enable Key) under the
198 Note on x86 this provides an ACPI OpRegion, so this must be 'y'
199 (builtin) and not a module, as the OpRegion must be available as
200 soon as possible. For the same reason the I2C bus driver options
201 I2C_DESIGNWARE_PLATFORM and I2C_DESIGNWARE_BAYTRAIL must be 'y' too.
203 config MFD_AXP20X_RSB
204 tristate "X-Powers AXP series PMICs with RSB"
208 If you say Y here you get support for the X-Powers AXP series power
209 management ICs (PMICs) controlled with RSB.
210 This driver include only the core APIs. You have to select individual
211 components like regulators or the PEK (Power Enable Key) under the
214 config MFD_CROS_EC_DEV
215 tristate "ChromeOS Embedded Controller multifunction device"
220 Select this to get support for ChromeOS Embedded Controller
221 sub-devices. This driver will instantiate additional drivers such
222 as RTC, USBPD, etc. but you have to select the individual drivers.
224 To compile this driver as a module, choose M here: the module will be
228 tristate "Cirrus Logic Madera codecs"
234 select PINCTRL_MADERA
236 Support for the Cirrus Logic Madera platform audio codecs
238 config MFD_MADERA_I2C
239 tristate "Cirrus Logic Madera codecs with I2C"
240 depends on MFD_MADERA
244 Support for the Cirrus Logic Madera platform audio SoC
245 core functionality controlled via I2C.
247 config MFD_MADERA_SPI
248 tristate "Cirrus Logic Madera codecs with SPI"
249 depends on MFD_MADERA
250 depends on SPI_MASTER
253 Support for the Cirrus Logic Madera platform audio SoC
254 core functionality controlled via SPI.
257 bool "Cirrus Logic CS47L15"
258 select PINCTRL_CS47L15
259 depends on MFD_MADERA
261 Support for Cirrus Logic CS47L15 Smart Codec
264 bool "Cirrus Logic CS47L35"
265 select PINCTRL_CS47L35
266 depends on MFD_MADERA
268 Support for Cirrus Logic CS47L35 Smart Codec
271 bool "Cirrus Logic CS47L85"
272 select PINCTRL_CS47L85
273 depends on MFD_MADERA
275 Support for Cirrus Logic CS47L85 Smart Codec
278 bool "Cirrus Logic CS47L90/91"
279 select PINCTRL_CS47L90
280 depends on MFD_MADERA
282 Support for Cirrus Logic CS47L90 and CS47L91 Smart Codecs
285 bool "Cirrus Logic CS47L92/93"
286 select PINCTRL_CS47L92
287 depends on MFD_MADERA
289 Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs
294 depends on ARM || COMPILE_TEST
297 This driver supports the ASIC3 multifunction chip found on many
298 PDAs (mainly iPAQ and HTC based ones)
301 bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
304 Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
305 ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
306 usually found on PXA processors-based platforms. This includes
307 the I2C driver and the core APIs _only_, you have to select
308 individual components like LCD backlight, voltage regulators,
309 LEDs and battery-charger under the corresponding menus.
315 config MFD_DA9052_SPI
316 bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI"
320 depends on SPI_MASTER=y
322 Support for the Dialog Semiconductor DA9052 PMIC
323 when controlled using SPI. This driver provides common support
324 for accessing the device, additional drivers must be enabled in
325 order to use the functionality of the device.
327 config MFD_DA9052_I2C
328 bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C"
334 Support for the Dialog Semiconductor DA9052 PMIC
335 when controlled using I2C. This driver provides common support
336 for accessing the device, additional drivers must be enabled in
337 order to use the functionality of the device.
340 bool "Dialog Semiconductor DA9055 PMIC Support"
346 Say yes here for support of Dialog Semiconductor DA9055. This is
347 a Power Management IC. This driver provides common support for
348 accessing the device as well as the I2C interface to the chip itself.
349 Additional drivers must be enabled in order to use the functionality
352 This driver can be built as a module. If built as a module it will be
356 tristate "Dialog Semiconductor DA9062/61 PMIC Support"
362 Say yes here for support for the Dialog Semiconductor DA9061 and
364 This includes the I2C driver and core APIs.
365 Additional drivers must be enabled in order to use the functionality
369 tristate "Dialog Semiconductor DA9063 PMIC Support"
375 Say yes here for support for the Dialog Semiconductor DA9063 PMIC.
376 This includes the I2C driver and core APIs.
377 Additional drivers must be enabled in order to use the functionality
381 tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
387 This adds support for the DA9150 integrated charger and fuel-gauge
388 chip. This driver provides common support for accessing the device.
389 Additional drivers must be enabled in order to use the specific
390 features of the device.
393 tristate "Diolan DLN2 support"
397 This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter
398 DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2,
399 etc. must be enabled in order to use the functionality of
402 config MFD_ENE_KB3930
403 tristate "ENE KB3930 Embedded Controller support"
405 depends on MACH_MMP3_DT || COMPILE_TEST
408 This adds support for the power-off functionality and access to
409 the registers that control LEDS and USB port power on ENE KB3930
410 Embedded Controller. To use the LED functionality LEDS_ARIEL must
413 config MFD_EXYNOS_LPASS
414 tristate "Samsung Exynos SoC Low Power Audio Subsystem"
415 depends on ARCH_EXYNOS || COMPILE_TEST
419 Select this option to enable support for Samsung Exynos Low Power
422 config MFD_GATEWORKS_GSC
423 tristate "Gateworks System Controller"
424 depends on (I2C && OF)
429 Enable support for the Gateworks System Controller (GSC) found
430 on Gateworks Single Board Computers supporting system functions
431 such as push-button monitor, multiple ADC's for voltage and
432 temperature monitoring, fan controller and watchdog monitor.
433 This driver provides common support for accessing the device.
434 Additional drivers must be enabled in order to use the
435 functionality of the device.
439 depends on (SPI_MASTER || I2C)
443 Enable support for the Freescale MC13783 and MC13892 PMICs.
444 This driver provides common support for accessing the device,
445 additional drivers must be enabled in order to use the
446 functionality of the device.
448 config MFD_MC13XXX_SPI
449 tristate "Freescale MC13783 and MC13892 SPI interface"
450 depends on SPI_MASTER
454 Select this if your MC13xxx is connected via an SPI bus.
456 config MFD_MC13XXX_I2C
457 tristate "Freescale MC13892 I2C interface"
462 Select this if your MC13xxx is connected via an I2C bus.
465 tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
469 Select this option to enable support for Monolithic Power Systems
470 battery charger. This provides ADC, thermal and battery charger power
471 management functions.
474 tristate "Freescale i.MX23/i.MX28 LRADC"
475 depends on ARCH_MXS || COMPILE_TEST
479 Say yes here to build support for the Low Resolution
480 Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28
481 processors. This driver provides common support for accessing the
482 device, additional drivers must be enabled in order to use the
483 functionality of the device:
484 mxs-lradc-adc for ADC readings
485 mxs-lradc-ts for touchscreen support
487 This driver can also be built as a module. If so, the module will be
490 config MFD_MX25_TSADC
491 tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
493 depends on (SOC_IMX25 && OF) || COMPILE_TEST
495 Enable support for the integrated Touchscreen and ADC unit of the
496 i.MX25 processors. They consist of a conversion queue for general
497 purpose ADC and a queue for Touchscreens.
499 config MFD_HI6421_PMIC
500 tristate "HiSilicon Hi6421 PMU/Codec IC"
505 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi-
506 functions, such as regulators, RTC, codec, Coulomb counter, etc.
507 This driver includes core APIs _only_. You have to select
508 individual components like voltage regulators under corresponding
509 menus in order to enable them.
510 We communicate with the Hi6421 via memory-mapped I/O.
512 config MFD_HI655X_PMIC
513 tristate "HiSilicon Hi655X series PMU/Codec IC"
514 depends on ARCH_HISI || COMPILE_TEST
520 Select this option to enable Hisilicon hi655x series pmic driver.
523 tristate "HTC PASIC3 LED/DS1WM chip support"
526 This core driver provides register access for the LED/DS1WM
527 chips labeled "AIC2" and "AIC3", found on HTC Blueangel and
528 HTC Magician devices, respectively. Actual functionality is
529 handled by the leds-pasic3 and ds1wm drivers.
532 bool "HTC I2C PLD chip support"
533 depends on I2C=y && GPIOLIB
535 If you say yes here you get support for the supposed CPLD
536 found on omap850 HTC devices like the HTC Wizard and HTC Herald.
537 This device provides input and output GPIOs through an I2C
538 interface to one or more sub-chips.
540 config MFD_INTEL_QUARK_I2C_GPIO
541 tristate "Intel Quark MFD I2C GPIO"
544 depends on COMMON_CLK
547 This MFD provides support for I2C and GPIO that exist only
548 in a single PCI device. It splits the 2 IO devices to
549 their respective IO driver.
550 The GPIO exports a total amount of 8 interrupt-capable GPIOs.
553 tristate "Intel ICH LPC"
557 The LPC bridge function of the Intel ICH provides support for
558 many functional units. This driver provides needed support for
559 other drivers to control these functions, currently GPIO and
563 tristate "Intel SCH LPC"
567 LPC bridge function of the Intel SCH provides support for
568 System Management Bus and General Purpose I/O.
570 config INTEL_SOC_PMIC
571 bool "Support for Crystal Cove PMIC"
572 depends on ACPI && HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK
573 depends on X86 || COMPILE_TEST
574 depends on I2C_DESIGNWARE_PLATFORM=y
579 Select this option to enable support for Crystal Cove PMIC
580 on some Intel SoC systems. The PMIC provides ADC, GPIO,
581 thermal, charger and related power management functions
584 This option is a bool as it provides an ACPI OpRegion which must be
585 available before any devices using it are probed. This option also
586 causes the designware-i2c driver to be builtin for the same reason.
588 config INTEL_SOC_PMIC_BXTWC
589 tristate "Support for Intel Broxton Whiskey Cove PMIC"
590 depends on MFD_INTEL_PMC_BXT
594 Select this option to enable support for Whiskey Cove PMIC
595 on Intel Broxton systems. The PMIC provides ADC, GPIO,
596 thermal, charger and related power management functions
599 config INTEL_SOC_PMIC_CHTWC
600 bool "Support for Intel Cherry Trail Whiskey Cove PMIC"
601 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK
602 depends on X86 || COMPILE_TEST
603 depends on I2C_DESIGNWARE_PLATFORM=y
608 Select this option to enable support for the Intel Cherry Trail
609 Whiskey Cove PMIC found on some Intel Cherry Trail systems.
611 This option is a bool as it provides an ACPI OpRegion which must be
612 available before any devices using it are probed. This option also
613 causes the designware-i2c driver to be builtin for the same reason.
615 config INTEL_SOC_PMIC_CHTDC_TI
616 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC"
625 Select this option for supporting Dollar Cove (TI version) PMIC
626 device that is found on some Intel Cherry Trail systems.
628 config INTEL_SOC_PMIC_MRFLD
629 tristate "Support for Intel Merrifield Basin Cove PMIC"
636 Select this option for supporting Basin Cove PMIC device
637 that is found on Intel Merrifield systems.
639 config MFD_INTEL_LPSS
644 config MFD_INTEL_LPSS_ACPI
645 tristate "Intel Low Power Subsystem support in ACPI mode"
646 select MFD_INTEL_LPSS
647 depends on X86 && ACPI
649 This driver supports Intel Low Power Subsystem (LPSS) devices such as
650 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
653 config MFD_INTEL_LPSS_PCI
654 tristate "Intel Low Power Subsystem support in PCI mode"
655 select MFD_INTEL_LPSS
656 depends on X86 && PCI
658 This driver supports Intel Low Power Subsystem (LPSS) devices such as
659 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
662 config MFD_INTEL_PMC_BXT
663 tristate "Intel PMC Driver for Broxton"
665 depends on X86_PLATFORM_DEVICES
670 This driver provides support for the PMC (Power Management
671 Controller) on Intel Broxton and Apollo Lake. The PMC is a
672 multi-function device that exposes IPC, General Control
673 Register and P-unit access. In addition this creates devices
674 for iTCO watchdog and telemetry that are part of the PMC.
677 tristate "Intel Platform Monitoring Technology (PMT) support"
681 The Intel Platform Monitoring Technology (PMT) is an interface that
682 provides access to hardware monitor registers. This driver supports
683 Telemetry, Watcher, and Crashlog PMT capabilities/devices for
684 platforms starting from Tiger Lake.
686 config MFD_IPAQ_MICRO
687 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
688 depends on SA1100_H3100 || SA1100_H3600
691 Select this to get support for the Microcontroller found in
692 the Compaq iPAQ handheld computers. This is an Atmel
693 AT90LS8535 microcontroller flashed with a special iPAQ
694 firmware using the custom protocol implemented in this driver.
697 tristate "Azoteq IQS620A/621/622/624/625 core support"
702 Say Y here if you want to build core support for the Azoteq IQS620A,
703 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional
704 options must be selected to enable device-specific functions.
706 To compile this driver as a module, choose M here: the module will
709 config MFD_JANZ_CMODIO
710 tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
714 This is the core driver for the Janz CMOD-IO PCI MODULbus
715 carrier board. This device is a PCI to MODULbus bridge which may
716 host many different types of MODULbus daughterboards, including
717 CAN and GPIO controllers.
720 tristate "Kontron module PLD device"
723 This is the core driver for the PLD (Programmable Logic Device) found
724 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as
725 well as on some other Kontron products. The PLD device may provide
726 functions like watchdog, GPIO, UART and I2C bus.
728 This driver can also be built as a module. If so, the module
729 will be called kempld-core.
732 tristate "Marvell 88PM800"
738 This supports for Marvell 88PM800 Power Management IC.
739 This includes the I2C driver and the core APIs _only_, you have to
740 select individual components like voltage regulators, RTC and
741 battery-charger under the corresponding menus.
744 tristate "Marvell 88PM805"
750 This supports for Marvell 88PM805 Power Management IC. This includes
751 the I2C driver and the core APIs _only_, you have to select individual
752 components like codec device, headset/Mic device under the
756 bool "Marvell 88PM8606/88PM8607"
761 This supports for Marvell 88PM8606/88PM8607 Power Management IC.
762 This includes the I2C driver and the core APIs _only_, you have to
763 select individual components like voltage regulators, RTC and
764 battery-charger under the corresponding menus.
767 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
774 Say yes here to add support for Maxim Semiconductor MAX14577 and
775 MAX77836 Micro-USB ICs with battery charger.
776 This driver provides common support for accessing the device;
777 additional drivers must be enabled in order to use the functionality
781 bool "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
783 depends on OF || COMPILE_TEST
789 Say yes here to add support for Maxim Semiconductor MAX77620 and
790 MAX20024 which are Power Management IC with General purpose pins,
791 RTC, regulators, clock generator, watchdog etc. This driver
792 provides common support for accessing the device; additional drivers
793 must be enabled in order to use the functionality of the device.
796 tristate "Maxim MAX77650/77651 PMIC Support"
798 depends on OF || COMPILE_TEST
803 Say Y here to add support for Maxim Semiconductor MAX77650 and
804 MAX77651 Power Management ICs. This is the core multifunction
805 driver for interacting with the device. The module name is
806 'max77650'. Additional drivers can be enabled in order to use
807 the following functionalities of the device: GPIO, regulator,
811 tristate "Maxim Semiconductor MAX77686/802 PMIC Support"
813 depends on OF || COMPILE_TEST
819 Say yes here to add support for Maxim Semiconductor MAX77686 and
820 MAX77802 which are Power Management IC with an RTC on chip.
821 This driver provides common support for accessing the device;
822 additional drivers must be enabled in order to use the functionality
826 tristate "Maxim Semiconductor MAX77693 PMIC Support"
832 Say yes here to add support for Maxim Semiconductor MAX77693.
833 This is a companion Power Management IC with Flash, Haptic, Charger,
834 and MUIC(Micro USB Interface Controller) controls on chip.
835 This driver provides common support for accessing the device;
836 additional drivers must be enabled in order to use the functionality
840 bool "Maxim Semiconductor MAX77843 PMIC Support"
846 Say yes here to add support for Maxim Semiconductor MAX77843.
847 This is companion Power Management IC with LEDs, Haptic, Charger,
848 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.
849 This driver provides common support for accessing the device;
850 additional drivers must be enabled in order to use the functionality
854 tristate "Maxim Semiconductor MAX8907 PMIC Support"
860 Say yes here to add support for Maxim Semiconductor MAX8907. This is
861 a Power Management IC. This driver provides common support for
862 accessing the device; additional drivers must be enabled in order
863 to use the functionality of the device.
866 bool "Maxim Semiconductor MAX8925 PMIC Support"
870 Say yes here to add support for Maxim Semiconductor MAX8925. This is
871 a Power Management IC. This driver provides common support for
872 accessing the device, additional drivers must be enabled in order
873 to use the functionality of the device.
876 bool "Maxim Semiconductor MAX8997/8966 PMIC Support"
881 Say yes here to add support for Maxim Semiconductor MAX8997/8966.
882 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
883 MUIC controls on chip.
884 This driver provides common support for accessing the device;
885 additional drivers must be enabled in order to use the functionality
889 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support"
894 Say yes here to add support for Maxim Semiconductor MAX8998 and
895 National Semiconductor LP3974. This is a Power Management IC.
896 This driver provides common support for accessing the device,
897 additional drivers must be enabled in order to use the functionality
901 tristate "Mediatek MT6360 SubPMIC"
907 Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
908 PMU part includes Charger, Flashlight, RGB LED
909 PMIC part includes 2-channel BUCKs and 2-channel LDOs
910 LDO part includes 4-channel LDOs
913 tristate "MediaTek MT6397 PMIC Support"
917 Say yes here to add support for MediaTek MT6397 PMIC. This is
918 a Power Management IC. This driver provides common support for
919 accessing the device; additional drivers must be enabled in order
920 to use the functionality of the device.
923 tristate "MEN 14F021P00 Board Management Controller Support"
927 Say yes here to add support for the MEN 14F021P00 BMC
928 which is a Board Management Controller connected to the I2C bus.
929 The device supports multiple sub-devices like LED, HWMON and WDT.
930 This driver provides common support for accessing the devices;
931 additional drivers must be enabled in order to use the
932 functionality of the BMC device.
934 This driver can also be built as a module. If so the module
935 will be called menf21bmc.
938 bool "Motorola EZXPCAP Support"
939 depends on SPI_MASTER
941 This enables the PCAP ASIC present on EZX Phones. This is
942 needed for MMC, TouchScreen, Sound, USB, etc..
945 tristate "Support for Motorola CPCAP"
947 depends on OF || COMPILE_TEST
952 Say yes here if you want to include driver for CPCAP.
953 It is used on many Motorola phones and tablets as a PMIC.
954 At least Motorola Droid 4 is known to use CPCAP.
956 config MFD_VIPERBOARD
957 tristate "Nano River Technologies Viperboard"
962 Say yes here if you want support for Nano River Technologies
964 There are mfd cell drivers available for i2c master, adc and
965 both gpios found on the board. The spi part does not yet
967 You need to select the mfd cell drivers separately.
968 The drivers do not support all features the board exposes.
971 tristate "Nokia Retu and Tahvo multi-function device"
976 Retu and Tahvo are a multi-function devices found on Nokia
977 Internet Tablets (770, N800 and N810).
980 tristate "NXP PCF50633"
984 Say yes here if you have NXP PCF50633 chip on your board.
985 This core driver provides register access and IRQ handling
986 facilities, and registers devices for the various functions
987 so that function-specific drivers can bind to them.
990 tristate "NXP PCF50633 ADC"
991 depends on MFD_PCF50633
993 Say yes here if you want to include support for ADC in the
997 tristate "NXP PCF50633 GPIO"
998 depends on MFD_PCF50633
1000 Say yes here if you want to include support GPIO for pins on
1004 tristate "Philips UCB1400 Core driver"
1008 This enables support for the Philips UCB1400 core functions.
1009 The UCB1400 is an AC97 audio codec.
1011 To compile this driver as a module, choose M here: the
1012 module will be called ucb1400_core.
1015 tristate "Qualcomm PM8xxx PMIC chips driver"
1016 depends on (ARM || HEXAGON || COMPILE_TEST)
1017 select IRQ_DOMAIN_HIERARCHY
1021 If you say yes to this option, support will be included for the
1022 built-in PM8xxx PMIC chips.
1024 This is required if your board has a PM8xxx and uses its features,
1025 such as: MPPs, GPIOs, regulators, interrupts, and PWM.
1027 Say M here if you want to include support for PM8xxx chips as a
1028 module. This will build a module called "pm8xxx-core".
1031 tristate "Qualcomm Resource Power Manager (RPM)"
1032 depends on ARCH_QCOM && OF
1034 If you say yes to this option, support will be included for the
1035 Resource Power Manager system found in the Qualcomm 8660, 8960 and
1038 This is required to access many regulators, clocks and bus
1039 frequencies controlled by the RPM on these devices.
1041 Say M here if you want to include support for the Qualcomm RPM as a
1042 module. This will build a module called "qcom_rpm".
1044 config MFD_SPMI_PMIC
1045 tristate "Qualcomm SPMI PMICs"
1046 depends on ARCH_QCOM || COMPILE_TEST
1051 This enables support for the Qualcomm SPMI PMICs.
1052 These PMICs are currently used with the Snapdragon 800 series of
1053 SoCs. Note, that this will only be useful paired with descriptions
1054 of the independent functions as children nodes in the device tree.
1056 Say M here if you want to include support for the SPMI PMIC
1057 series as a module. The module will be called "qcom-spmi-pmic".
1060 tristate "RDC R-321x southbridge"
1064 Say yes here if you want to have support for the RDC R-321x SoC
1065 southbridge which provides access to GPIOs and Watchdog using the
1066 southbridge PCI device configuration space.
1069 tristate "Richtek RT5033 Power Management IC"
1075 This driver provides for the Richtek RT5033 Power Management IC,
1076 which includes the I2C driver and the Core APIs. This driver provides
1077 common support for accessing the device. The device supports multiple
1078 sub-devices like charger, fuel gauge, flash LED, current source,
1082 bool "Ricoh RC5T583 Power Management system device"
1087 Select this option to get support for the RICOH583 Power
1088 Management system device.
1089 This driver provides common support for accessing the device
1090 through i2c interface. The device supports multiple sub-devices
1091 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey.
1092 Additional drivers must be enabled in order to use the
1093 different functionality of the device.
1096 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip"
1097 depends on I2C && OF
1102 If you say yes here you get support for the RK805, RK808, RK809,
1103 RK817 and RK818 Power Management chips.
1104 This driver provides common support for accessing the device
1105 through I2C interface. The device supports multiple sub-devices
1106 including interrupts, RTC, LDO & DCDC regulators, and onkey.
1109 tristate "Ricoh RN5T567/618 PMIC"
1116 Say yes here to add support for the Ricoh RN5T567,
1117 RN5T618, RC5T619 PMIC.
1118 This driver provides common support for accessing the device,
1119 additional drivers must be enabled in order to use the
1120 functionality of the device.
1123 tristate "Samsung Electronics PMIC Series Support"
1129 Support for the Samsung Electronics PMIC devices coming
1130 usually along with Samsung Exynos SoC chipset.
1131 This driver provides common support for accessing the device,
1132 additional drivers must be enabled in order to use the functionality
1135 To compile this driver as a module, choose M here: the
1136 module will be called sec-core.
1137 Have in mind that important core drivers (like regulators) depend
1138 on this driver so building this as a module might require proper
1139 initial ramdisk or might not boot up as well in certain scenarios.
1141 config MFD_SI476X_CORE
1142 tristate "Silicon Laboratories 4761/64/68 AM/FM radio."
1147 This is the core driver for the SI476x series of AM/FM
1148 radio. This MFD driver connects the radio-si476x V4L2 module
1149 and the si476x audio codec.
1151 To compile this driver as a module, choose M here: the
1152 module will be called si476x-core.
1154 config MFD_SIMPLE_MFD_I2C
1159 This driver creates a single register map with the intention for it
1160 to be shared by all sub-devices.
1162 Once the register map has been successfully initialised, any
1163 sub-devices represented by child nodes in Device Tree will be
1164 subsequently registered.
1167 tristate "Kontron sl28cpld Board Management Controller"
1169 depends on ARCH_LAYERSCAPE || COMPILE_TEST
1170 select MFD_SIMPLE_MFD_I2C
1172 Say yes here to enable support for the Kontron sl28cpld board
1173 management controller.
1175 It can be found on the following boards:
1179 tristate "Silicon Motion SM501"
1182 This is the core driver for the Silicon Motion SM501 multimedia
1183 companion chip. This device is a multifunction device which may
1184 provide numerous interfaces including USB host controller, USB gadget,
1185 asynchronous serial ports, audio functions, and a dual display video
1186 interface. The device may be connected by PCI or local bus with
1187 varying functions enabled.
1189 config MFD_SM501_GPIO
1190 bool "Export GPIO via GPIO layer"
1191 depends on MFD_SM501 && GPIOLIB
1193 This option uses the gpio library layer to export the 64 GPIO
1194 lines on the SM501. The platform data is used to supply the
1195 base number for the first GPIO line to register.
1198 tristate "Skyworks Solutions SKY81452"
1203 This is the core driver for the Skyworks SKY81452 backlight and
1204 voltage regulator device.
1206 This driver can also be built as a module. If so, the module
1207 will be called sky81452.
1209 config MFD_SC27XX_PMIC
1210 tristate "Spreadtrum SC27xx PMICs"
1211 depends on ARCH_SPRD || COMPILE_TEST
1212 depends on SPI_MASTER
1217 This enables support for the Spreadtrum SC27xx PMICs with SPI
1218 interface. The SC27xx series PMICs integrate power management,
1219 audio codec, battery management and user interface support
1220 function (such as RTC, Typec, indicator and so on) in a single chip.
1222 This driver provides common support for accessing the SC27xx PMICs,
1223 and it also adds the irq_chip parts for handling the PMIC chip events.
1226 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
1227 default y if ARCH_U300 || ARCH_U8500 || COMPILE_TEST
1229 Say yes here if you have the ABX500 Mixed Signal IC family
1230 chips. This core driver expose register access functions.
1231 Functionality specific drivers using these functions can
1232 remain unchanged when IC changes. Binding of the functions to
1233 actual register access is done by the IC core driver.
1236 bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions"
1237 depends on I2C=y && ABX500_CORE
1239 default y if ARCH_U300
1241 Select this to enable the AB3100 Mixed Signal IC core
1242 functionality. This connects to a AB3100 on the I2C bus
1243 and expose a number of symbols needed for dependent devices
1244 to read and write registers and subscribe to events from
1245 this multi-functional IC. This is needed to use other features
1246 of the AB3100 such as battery-backed RTC, charging control,
1247 LEDs, vibrator, system power and temperature, power management
1251 tristate "ST-Ericsson AB3100 OTP functions"
1252 depends on AB3100_CORE
1253 default y if AB3100_CORE
1255 Select this to enable the AB3100 Mixed Signal IC OTP (one-time
1256 programmable memory) support. This exposes a sysfs file to read
1260 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
1261 depends on ABX500_CORE && MFD_DB8500_PRCMU
1266 Select this option to enable access to AB8500 power management
1267 chip. This connects to U8500 either on the SSP/SPI bus (deprecated
1268 since hardware version v1.0) or the I2C bus via PRCMU. It also adds
1269 the irq_chip parts for handling the Mixed Signal chip events.
1270 This chip embeds various other multimedia functionalities as well.
1273 bool "Enable debug info via debugfs"
1274 depends on AB8500_GPADC && DEBUG_FS
1275 default y if DEBUG_FS
1277 Select this option if you want debug information using the debug
1278 filesystem, debugfs.
1280 config MFD_DB8500_PRCMU
1281 bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
1282 depends on UX500_SOC_DB8500
1285 Select this option to enable support for the DB8500 Power Reset
1286 and Control Management Unit. This is basically an autonomous
1287 system controller running an XP70 microprocessor, which is accessed
1288 through a register map.
1291 bool "STMicroelectronics STMPE"
1292 depends on (I2C=y || SPI_MASTER=y)
1296 Support for the STMPE family of I/O Expanders from
1299 Currently supported devices are:
1301 STMPE811: GPIO, Touchscreen, ADC
1302 STMPE1601: GPIO, Keypad
1303 STMPE1801: GPIO, Keypad
1304 STMPE2401: GPIO, Keypad
1305 STMPE2403: GPIO, Keypad
1307 This driver provides common support for accessing the device,
1308 additional drivers must be enabled in order to use the functionality
1309 of the device. Currently available sub drivers are:
1312 Keypad: stmpe-keypad
1313 Touchscreen: stmpe-ts
1316 menu "STMicroelectronics STMPE Interface Drivers"
1317 depends on MFD_STMPE
1320 bool "STMicroelectronics STMPE I2C Interface"
1324 This is used to enable I2C interface of STMPE
1327 bool "STMicroelectronics STMPE SPI Interface"
1328 depends on SPI_MASTER
1330 This is used to enable SPI interface of STMPE
1334 bool "STMicroelectronics STA2X11"
1339 config MFD_SUN6I_PRCM
1340 bool "Allwinner A31 PRCM controller"
1341 depends on ARCH_SUNXI || COMPILE_TEST
1344 Support for the PRCM (Power/Reset/Clock Management) unit available
1348 bool "System Controller Register R/W Based on Regmap"
1351 Select this option to enable accessing system control registers
1354 config MFD_DAVINCI_VOICECODEC
1359 config MFD_TI_AM335X_TSCADC
1360 tristate "TI ADC / Touch Screen chip support"
1365 If you say yes here you get support for Texas Instruments series
1366 of Touch Screen /ADC chips.
1367 To compile this driver as a module, choose M here: the
1368 module will be called ti_am335x_tscadc.
1370 config MFD_DM355EVM_MSP
1371 bool "TI DaVinci DM355 EVM microcontroller"
1372 depends on I2C=y && MACH_DAVINCI_DM355_EVM
1374 This driver supports the MSP430 microcontroller used on these
1375 boards. MSP430 firmware manages resets and power sequencing,
1376 inputs from buttons and the IR remote, LEDs, an RTC, and more.
1379 tristate "TI/National Semiconductor LP3943 MFD Driver"
1384 Support for the TI/National Semiconductor LP3943.
1385 This driver consists of GPIO and PWM drivers.
1386 With these functionalities, it can be used for LED string control or
1387 general usage such like a GPIO controller and a PWM controller.
1390 bool "TI LP8788 Power Management Unit Driver"
1396 TI LP8788 PMU supports regulators, battery charger, RTC,
1397 ADC, backlight driver and current sinks.
1400 tristate "TI Lighting Management Unit driver"
1405 Say yes here to enable support for TI LMU chips.
1406 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and
1407 LM36274. It consists of backlight, LED and regulator driver.
1408 It provides consistent device controls for lighting functions.
1410 config MFD_OMAP_USB_HOST
1411 bool "TI OMAP USBHS core and TLL driver"
1412 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
1413 depends on COMMON_CLK
1416 This is the core driver for the OAMP EHCI and OHCI drivers.
1417 This MFD driver does the required setup functionalities for
1418 OMAP USB Host drivers.
1421 bool "TI Palmas series chips"
1427 If you say yes here you get support for the Palmas
1428 series of PMIC chips from Texas Instruments.
1431 tristate "TI TPS61050/61052 Boost Converters"
1436 select REGULATOR_FIXED_VOLTAGE
1438 This option enables a driver for the TP61050/TPS61052
1439 high-power "white LED driver". This boost converter is
1440 sometimes used for other things than white LEDs, and
1441 also contains a GPIO pin.
1444 tristate "TI TPS6501x Power Management chips"
1445 depends on I2C && GPIOLIB
1446 default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK
1448 If you say yes here you get support for the TPS6501x series of
1449 Power Management chips. These include voltage regulators,
1450 lithium ion/polymer battery charging, and other features that
1451 are often used in portable devices like cell phones and cameras.
1453 This driver can also be built as a module. If so, the module
1454 will be called tps65010.
1457 tristate "TI TPS6507x Power Management / Touch Screen chips"
1461 If you say yes here you get support for the TPS6507x series of
1462 Power Management / Touch Screen chips. These include voltage
1463 regulators, lithium ion/polymer battery charging, touch screen
1464 and other features that are often used in portable devices.
1465 This driver can also be built as a module. If so, the module
1466 will be called tps6507x.
1469 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
1476 If you say yes here you get support for the TPS65086 series of
1477 Power Management chips.
1478 This driver provides common support for accessing the device,
1479 additional drivers must be enabled in order to use the
1480 functionality of the device.
1482 config TPS65911_COMPARATOR
1486 bool "TI TPS65090 Power Management chips"
1492 If you say yes here you get support for the TPS65090 series of
1493 Power Management chips.
1494 This driver provides common support for accessing the device,
1495 additional drivers must be enabled in order to use the
1496 functionality of the device.
1499 tristate "TI TPS65217 Power Management / White LED chips"
1500 depends on I2C && OF
1505 If you say yes here you get support for the TPS65217 series of
1506 Power Management / White LED chips.
1507 These include voltage regulators, lithium ion/polymer battery
1508 charger, wled and other features that are often used in portable
1511 This driver can also be built as a module. If so, the module
1512 will be called tps65217.
1515 bool "TI TPS68470 Power Management / LED chips"
1516 depends on ACPI && PCI && I2C=y
1517 depends on I2C_DESIGNWARE_PLATFORM=y
1521 If you say yes here you get support for the TPS68470 series of
1522 Power Management / LED chips.
1524 These include voltage regulators, LEDs and other features
1525 that are often used in portable devices.
1527 This option is a bool as it provides an ACPI operation
1528 region, which must be available before any of the devices
1529 using this are probed. This option also configures the
1530 designware-i2c driver to be built-in, for the same reason.
1532 config MFD_TI_LP873X
1533 tristate "TI LP873X Power Management IC"
1538 If you say yes here then you get support for the LP873X series of
1539 Power Management Integrated Circuits (PMIC).
1540 These include voltage regulators, thermal protection, configurable
1541 General Purpose Outputs (GPO) that are used in portable devices.
1543 This driver can also be built as a module. If so, the module
1544 will be called lp873x.
1546 config MFD_TI_LP87565
1547 tristate "TI LP87565 Power Management IC"
1548 depends on I2C && OF
1552 If you say yes here then you get support for the LP87565 series of
1553 Power Management Integrated Circuits (PMIC).
1554 These include voltage regulators, thermal protection, configurable
1555 General Purpose Outputs (GPO) that are used in portable devices.
1557 This driver can also be built as a module. If so, the module
1558 will be called lp87565.
1561 tristate "TI TPS65218 Power Management chips"
1562 depends on I2C && OF
1567 If you say yes here you get support for the TPS65218 series of
1568 Power Management chips.
1569 These include voltage regulators, gpio and other features
1570 that are often used in portable devices.
1572 This driver can also be built as a module. If so, the module
1573 will be called tps65218.
1576 bool "TI TPS6586x Power Management chips"
1581 If you say yes here you get support for the TPS6586X series of
1582 Power Management chips.
1583 This driver provides common support for accessing the device,
1584 additional drivers must be enabled in order to use the
1585 functionality of the device.
1587 This driver can also be built as a module. If so, the module
1588 will be called tps6586x.
1591 bool "TI TPS65910 Power Management chip"
1593 depends on GPIOLIB || COMPILE_TEST
1599 if you say yes here you get support for the TPS65910 series of
1600 Power Management chips.
1608 config MFD_TPS65912_I2C
1609 tristate "TI TPS65912 Power Management chip with I2C"
1614 If you say yes here you get support for the TPS65912 series of
1615 PM chips with I2C interface.
1617 config MFD_TPS65912_SPI
1618 tristate "TI TPS65912 Power Management chip with SPI"
1621 depends on SPI_MASTER
1623 If you say yes here you get support for the TPS65912 series of
1624 PM chips with SPI interface.
1627 bool "TI TPS80031/TPS80032 Power Management chips"
1633 If you say yes here you get support for the Texas Instruments
1634 TPS80031/ TPS80032 Fully Integrated Power Management with Power
1635 Path and Battery Charger. The device provides five configurable
1636 step-down converters, 11 general purpose LDOs, USB OTG Module,
1637 ADC, RTC, 2 PWM, System Voltage Regulator/Battery Charger with
1638 Power Path from USB, 32K clock generator.
1641 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
1646 Say yes here if you have TWL4030 / TWL6030 family chip on your board.
1647 This core driver provides register access and IRQ handling
1648 facilities, and registers devices for the various functions
1649 so that function-specific drivers can bind to them.
1651 These multi-function chips are found on many OMAP2 and OMAP3
1652 boards, providing power management, RTC, GPIO, keypad, a
1653 high speed USB OTG transceiver, an audio codec (on most
1654 versions) and many other features.
1656 config TWL4030_POWER
1657 bool "TI TWL4030 power resources"
1658 depends on TWL4030_CORE && ARM
1660 Say yes here if you want to use the power resources on the
1661 TWL4030 family chips. Most of these resources are regulators,
1662 which have a separate driver; some are control signals, such
1663 as clock request handshaking.
1665 This driver uses board-specific data to initialize the resources
1666 and load scripts controlling which resources are switched off/on
1667 or reset when a sleep, wakeup or warm reset event occurs.
1669 config MFD_TWL4030_AUDIO
1670 bool "TI TWL4030 Audio"
1671 depends on TWL4030_CORE
1676 bool "TI TWL6040 audio codec"
1683 Say yes here if you want support for Texas Instruments TWL6040 audio
1685 This driver provides common support for accessing the device,
1686 additional drivers must be enabled in order to use the
1687 functionality of the device (audio, vibra).
1690 bool "TI TWL92330/Menelaus PM chip"
1691 depends on I2C=y && ARCH_OMAP2
1693 If you say yes here you get support for the Texas Instruments
1694 TWL92330/Menelaus Power Management chip. This include voltage
1695 regulators, Dual slot memory card transceivers, real-time clock
1696 and other features that are often used in portable devices like
1697 cell phones and PDAs.
1699 config MFD_WL1273_CORE
1700 tristate "TI WL1273 FM radio"
1705 This is the core driver for the TI WL1273 FM radio. This MFD
1706 driver connects the radio-wl1273 V4L2 module and the wl1273
1710 tristate "TI/National Semiconductor LM3533 Lighting Power chip"
1715 Say yes here to enable support for National Semiconductor / TI
1716 LM3533 Lighting Power chips.
1718 This driver provides common support for accessing the device;
1719 additional drivers must be enabled in order to use the LED,
1720 backlight or ambient-light-sensor functionality of the device.
1722 config MFD_TIMBERDALE
1723 tristate "Timberdale FPGA"
1725 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
1727 This is the core driver for the timberdale FPGA. This device is a
1728 multifunction device which exposes numerous platform devices.
1730 The timberdale FPGA can be found on the Intel Atom development board
1731 for in-vehicle infontainment, called Russellville.
1734 bool "Toshiba TC35892 and variants"
1739 Support for the Toshiba TC35892 and variants I/O Expander.
1741 This driver provides common support for accessing the device,
1742 additional drivers must be enabled in order to use the
1743 functionality of the device.
1750 bool "Toshiba T7L66XB"
1751 depends on ARM && HAVE_CLK
1755 Support for Toshiba Mobile IO Controller T7L66XB
1758 bool "Toshiba TC6387XB"
1759 depends on ARM && HAVE_CLK
1763 Support for Toshiba Mobile IO Controller TC6387XB
1766 bool "Toshiba TC6393XB"
1767 depends on ARM && HAVE_CLK
1772 Support for Toshiba Mobile IO Controller TC6393XB
1775 tristate "TQ-Systems IO controller TQMX86"
1778 Say yes here to enable support for various functions of the
1779 TQ-Systems IO controller and watchdog device, found on their
1780 ComExpress CPU modules.
1783 tristate "VIA VX855/VX875 integrated south bridge"
1787 Say yes here to enable support for various functions of the
1788 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi
1789 and/or vx855_gpio drivers for this to do anything useful.
1791 config MFD_LOCHNAGAR
1792 bool "Cirrus Logic Lochnagar Audio Development Board"
1795 depends on I2C=y && OF
1797 Support for Cirrus Logic Lochnagar audio development board.
1805 config MFD_ARIZONA_I2C
1806 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
1811 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
1812 audio SoC core functionality controlled via I2C.
1814 config MFD_ARIZONA_SPI
1815 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI"
1818 depends on SPI_MASTER
1820 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
1821 audio SoC core functionality controlled via SPI.
1824 bool "Cirrus Logic CS47L24 and WM1831"
1825 depends on MFD_ARIZONA
1827 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC
1830 bool "Wolfson Microelectronics WM5102"
1831 depends on MFD_ARIZONA
1833 Support for Wolfson Microelectronics WM5102 low power audio SoC
1836 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281"
1837 depends on MFD_ARIZONA
1839 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281
1843 bool "Wolfson Microelectronics WM8997"
1844 depends on MFD_ARIZONA
1846 Support for Wolfson Microelectronics WM8997 low power audio SoC
1849 bool "Wolfson Microelectronics WM8998"
1850 depends on MFD_ARIZONA
1852 Support for Wolfson Microelectronics WM8998 low power audio SoC
1855 bool "Wolfson Microelectronics WM8400"
1860 Support for the Wolfson Microelecronics WM8400 PMIC and audio
1861 CODEC. This driver provides common support for accessing
1862 the device, additional drivers must be enabled in order to use
1863 the functionality of the device.
1868 config MFD_WM831X_I2C
1869 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C"
1876 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
1877 when controlled using I2C. This driver provides common support
1878 for accessing the device, additional drivers must be enabled in
1879 order to use the functionality of the device.
1881 config MFD_WM831X_SPI
1882 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI"
1887 depends on SPI_MASTER
1889 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
1890 when controlled using SPI. This driver provides common support
1891 for accessing the device, additional drivers must be enabled in
1892 order to use the functionality of the device.
1897 config MFD_WM8350_I2C
1898 bool "Wolfson Microelectronics WM8350 with I2C"
1903 The WM8350 is an integrated audio and power management
1904 subsystem with watchdog and RTC functionality for embedded
1905 systems. This option enables core support for the WM8350 with
1906 I2C as the control interface. Additional options must be
1907 selected to enable support for the functionality of the chip.
1910 tristate "Wolfson Microelectronics WM8994"
1916 The WM8994 is a highly integrated hi-fi CODEC designed for
1917 smartphone applications. As well as audio functionality it
1918 has on board GPIO and regulator functionality which is
1919 supported via the relevant subsystems. This driver provides
1920 core support for the WM8994, in order to use the actual
1921 functionality of the device other drivers must be enabled.
1924 tristate "Wolfson Microelectronics WM97xx"
1927 select AC97_BUS_COMPAT
1928 depends on AC97_BUS_NEW
1930 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC
1931 designed for smartphone applications. As well as audio functionality
1932 it has on board GPIO and a touchscreen functionality which is
1933 supported via the relevant subsystems. This driver provides core
1934 support for the WM97xx, in order to use the actual functionality of
1935 the device other drivers must be enabled.
1938 tristate "Support for ST Microelectronics STw481x"
1939 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
1943 Select this option to enable the STw481x chip driver used
1944 in various ST Microelectronics and ST-Ericsson embedded
1947 config MFD_ROHM_BD718XX
1948 tristate "ROHM BD71837 Power Management IC"
1955 Select this option to get support for the ROHM BD71837
1956 Power Management ICs. BD71837 is designed to power processors like
1957 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring
1958 and emergency shut down as well as 32,768KHz clock output.
1960 config MFD_ROHM_BD70528
1961 tristate "ROHM BD70528 Power Management IC"
1968 Select this option to get support for the ROHM BD70528 Power
1969 Management IC. BD71837 is general purpose single-chip power
1970 management IC for battery-powered portable devices. It contains
1971 3 ultra-low current consumption buck converters, 3 LDOs and 2 LED
1972 drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz
1973 crystal oscillator, high-accuracy VREF for use with an external ADC,
1974 10 bits SAR ADC for battery temperature monitor and 1S battery
1977 config MFD_ROHM_BD71828
1978 tristate "ROHM BD71828 Power Management IC"
1985 Select this option to get support for the ROHM BD71828 Power
1986 Management IC. BD71828GW is a single-chip power management IC for
1987 battery-powered portable devices. The IC integrates 7 buck
1988 converters, 7 LDOs, and a 1500 mA single-cell linear charger.
1989 Also included is a Coulomb counter, a real-time clock (RTC), and
1990 a 32.768 kHz clock gate.
1992 config MFD_STM32_LPTIMER
1993 tristate "Support for STM32 Low-Power Timer"
1994 depends on (ARCH_STM32 && OF) || COMPILE_TEST
1999 Select this option to enable STM32 Low-Power Timer driver
2000 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared
2001 resources are also dealt with here.
2003 To compile this driver as a module, choose M here: the
2004 module will be called stm32-lptimer.
2006 config MFD_STM32_TIMERS
2007 tristate "Support for STM32 Timers"
2008 depends on (ARCH_STM32 && OF) || COMPILE_TEST
2013 Select this option to enable STM32 timers driver used
2014 for PWM and IIO Timer. This driver allow to share the
2015 registers between the others drivers.
2018 tristate "Support for STPMIC1 PMIC"
2019 depends on (I2C=y && OF)
2024 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on
2025 key, watchdog and regulator functionalities which are supported via
2026 the relevant subsystems. This driver provides core support for the
2027 STPMIC1. In order to use the actual functionality of the device other
2028 drivers must be enabled.
2030 To compile this driver as a module, choose M here: the
2031 module will be called stpmic1.
2034 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)"
2036 depends on OF || COMPILE_TEST
2040 Support for the STMicroelectronics Multi-Function eXpander.
2042 This driver provides common support for accessing the device,
2043 additional drivers must be enabled in order to use the functionality
2047 tristate "Support for WCD9340/WCD9341 Codec"
2050 select REGMAP_SLIMBUS
2054 Support for the Qualcomm WCD9340/WCD9341 Codec.
2055 This driver provides common support WCD934x audio codec and its
2056 associated Pin Controller, Soundwire Controller and Audio codec.
2058 config MFD_KHADAS_MCU
2059 tristate "Support for Khadas System control Microcontroller"
2061 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST
2065 Support for the Khadas System control Microcontroller interface
2066 present on their VIM and Edge boards.
2068 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and
2071 It provides multiple boot control features like password check,
2072 power-on options, power-off control and system FAN control on recent
2075 This driver provides common support for accessing the device,
2076 additional drivers must be enabled in order to use the functionality
2079 config MFD_ACER_A500_EC
2080 tristate "Support for Acer Iconia Tab A500 Embedded Controller"
2082 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST
2086 Support for Embedded Controller found on Acer Iconia Tab A500.
2087 The controller itself is ENE KB930, it is running firmware
2088 customized for the specific needs of the Acer A500 hardware.
2090 menu "Multimedia Capabilities Port drivers"
2091 depends on ARCH_SA1100
2098 tristate "Support SA11x0 MCP interface"
2099 depends on ARCH_SA1100
2104 tristate "Support for UCB1200 / UCB1300"
2105 depends on MCP_SA11X0
2108 config MCP_UCB1200_TS
2109 tristate "Touchscreen interface support"
2110 depends on MCP_UCB1200 && INPUT
2114 config MFD_VEXPRESS_SYSREG
2115 tristate "Versatile Express System Registers"
2116 depends on VEXPRESS_CONFIG && GPIOLIB
2118 select GPIO_GENERIC_PLATFORM
2122 System Registers are the platform configuration block
2123 on the ARM Ltd. Versatile Express board.
2126 tristate "RAVE SP MCU core driver"
2127 depends on SERIAL_DEV_BUS
2130 Select this to get support for the Supervisory Processor
2131 device found on several devices in RAVE line of hardware.
2134 bool "SGI IOC3 core driver"
2135 depends on PCI && MIPS && 64BIT
2138 This option enables basic support for the SGI IOC3-based
2139 controller cards. This option does not enable any specific
2140 functions on such a card, but provides necessary infrastructure
2141 for other drivers to utilize.
2143 If you have an SGI Origin, Octane, or a PCI IOC3 card,
2144 then say Y. Otherwise say N.
2146 config MFD_INTEL_M10_BMC
2147 tristate "Intel MAX 10 Board Management Controller"
2148 depends on SPI_MASTER
2149 select REGMAP_SPI_AVMM
2152 Support for the Intel MAX 10 board management controller using the
2155 This driver provides common support for accessing the device,
2156 additional drivers must be enabled in order to use the functionality