ceph: fix memory leak in __ceph_setxattr()

[mirror_ubuntu-bionic-kernel.git] / drivers / mfd / Kconfig

#
# Multifunction miscellaneous devices
#

if HAS_IOMEM
menu "Multifunction device drivers"

config MFD_CORE
        tristate
        select IRQ_DOMAIN
        default n

config MFD_CS5535
        tristate "AMD CS5535 and CS5536 southbridge core functions"
        select MFD_CORE
        depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
        ---help---
          This is the core driver for CS5535/CS5536 MFD functions.  This is
          necessary for using the board's GPIO and MFGPT functionality.

config MFD_ALTERA_A10SR
        bool "Altera Arria10 DevKit System Resource chip"
        depends on ARCH_SOCFPGA && SPI_MASTER=y && OF
        select REGMAP_SPI
        select MFD_CORE
        help
          Support for the Altera Arria10 DevKit MAX5 System Resource chip
          using the SPI interface. This driver provides common support for
          accessing the external gpio extender (LEDs & buttons) and
          power supply alarms (hwmon).

config MFD_ACT8945A
        tristate "Active-semi ACT8945A"
        select MFD_CORE
        select REGMAP_I2C
        depends on I2C && OF
        help
          Support for the ACT8945A PMIC from Active-semi. This device
          features three step-down DC/DC converters and four low-dropout
          linear regulators, along with a complete ActivePath battery
          charger.

config MFD_SUN4I_GPADC
        tristate "Allwinner sunxi platforms' GPADC MFD driver"
        select MFD_CORE
        select REGMAP_MMIO
        select REGMAP_IRQ
        depends on ARCH_SUNXI || COMPILE_TEST
        depends on !TOUCHSCREEN_SUN4I
        help
          Select this to get support for Allwinner SoCs (A10, A13 and A31) ADC.
          This driver will only map the hardware interrupt and registers, you
          have to select individual drivers based on this MFD to be able to use
          the ADC or the thermal sensor. This will try to probe the ADC driver
          sun4i-gpadc-iio and the hwmon driver iio_hwmon.

          To compile this driver as a module, choose M here: the module will be
          called sun4i-gpadc.

config MFD_AS3711
        bool "AMS AS3711"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C=y
        help
          Support for the AS3711 PMIC from AMS

config MFD_AS3722
        tristate "ams AS3722 Power Management IC"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C=y && OF
        help
          The ams AS3722 is a compact system PMU suitable for mobile phones,
          tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
          controllers, 11 LDOs, RTC, automatic battery, temperature and
          over current monitoring, GPIOs, ADC and a watchdog.

config PMIC_ADP5520
        bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
        depends on I2C=y
        help
          Say yes here to add support for Analog Devices AD5520 and ADP5501,
          Multifunction Power Management IC. This includes
          the I2C driver and the core APIs _only_, you have to select
          individual components like LCD backlight, LEDs, GPIOs and Kepad
          under the corresponding menus.

config MFD_AAT2870_CORE
        bool "AnalogicTech AAT2870"
        select MFD_CORE
        depends on I2C=y
        depends on GPIOLIB || COMPILE_TEST
        help
          If you say yes here you get support for the AAT2870.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_ATMEL_FLEXCOM
        tristate "Atmel Flexcom (Flexible Serial Communication Unit)"
        select MFD_CORE
        depends on OF
        help
          Select this to get support for Atmel Flexcom. This is a wrapper
          which embeds a SPI controller, a I2C controller and a USART. Only
          one function can be used at a time. The choice is done at boot time
          by the probe function of this MFD driver according to a device tree
          property.

config MFD_ATMEL_HLCDC
        tristate "Atmel HLCDC (High-end LCD Controller)"
        select MFD_CORE
        select REGMAP_MMIO
        depends on OF
        help
          If you say yes here you get support for the HLCDC block.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_BCM590XX
        tristate "Broadcom BCM590xx PMUs"
        select MFD_CORE
        select REGMAP_I2C
        depends on I2C
        help
          Support for the BCM590xx PMUs from Broadcom

config MFD_AC100
        tristate "X-Powers AC100"
        select MFD_CORE
        depends on SUNXI_RSB
        help
          If you say Y here you get support for the X-Powers AC100 audio codec
          IC.
          This driver include only the core APIs. You have to select individual
          components like codecs or RTC under the corresponding menus.

config MFD_AXP20X
        tristate
        select MFD_CORE
        select REGMAP_IRQ

config MFD_AXP20X_I2C
        tristate "X-Powers AXP series PMICs with I2C"
        select MFD_AXP20X
        select REGMAP_I2C
        depends on I2C
        help
          If you say Y here you get support for the X-Powers AXP series power
          management ICs (PMICs) controlled with I2C.
          This driver include only the core APIs. You have to select individual
          components like regulators or the PEK (Power Enable Key) under the
          corresponding menus.

config MFD_AXP20X_RSB
        tristate "X-Powers AXP series PMICs with RSB"
        select MFD_AXP20X
        depends on SUNXI_RSB
        help
          If you say Y here you get support for the X-Powers AXP series power
          management ICs (PMICs) controlled with RSB.
          This driver include only the core APIs. You have to select individual
          components like regulators or the PEK (Power Enable Key) under the
          corresponding menus.

config MFD_CROS_EC
        tristate "ChromeOS Embedded Controller"
        select MFD_CORE
        select CHROME_PLATFORMS
        select CROS_EC_PROTO
        depends on X86 || ARM || ARM64 || COMPILE_TEST
        help
          If you say Y here you get support for the ChromeOS Embedded
          Controller (EC) providing keyboard, battery and power services.
          You also need to enable the driver for the bus you are using. The
          protocol for talking to the EC is defined by the bus driver.

config MFD_CROS_EC_I2C
        tristate "ChromeOS Embedded Controller (I2C)"
        depends on MFD_CROS_EC && I2C

        help
          If you say Y here, you get support for talking to the ChromeOS
          EC through an I2C bus. This uses a simple byte-level protocol with
          a checksum. Failing accesses will be retried three times to
          improve reliability.

config MFD_CROS_EC_SPI
        tristate "ChromeOS Embedded Controller (SPI)"
        depends on MFD_CROS_EC && SPI

        ---help---
          If you say Y here, you get support for talking to the ChromeOS EC
          through a SPI bus, using a byte-level protocol. Since the EC's
          response time cannot be guaranteed, we support ignoring
          'pre-amble' bytes before the response actually starts.

config MFD_ASIC3
        bool "Compaq ASIC3"
        depends on GPIOLIB && ARM
        select MFD_CORE
         ---help---
          This driver supports the ASIC3 multifunction chip found on many
          PDAs (mainly iPAQ and HTC based ones)

config PMIC_DA903X
        bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
        depends on I2C=y
        help
          Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
          ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
          usually found on PXA processors-based platforms. This includes
          the I2C driver and the core APIs _only_, you have to select
          individual components like LCD backlight, voltage regulators,
          LEDs and battery-charger under the corresponding menus.

config PMIC_DA9052
        bool
        select MFD_CORE

config MFD_DA9052_SPI
        bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI"
        select REGMAP_SPI
        select REGMAP_IRQ
        select PMIC_DA9052
        depends on SPI_MASTER=y
        help
          Support for the Dialog Semiconductor DA9052 PMIC
          when controlled using SPI. This driver provides common support
          for accessing the device, additional drivers must be enabled in
          order to use the functionality of the device.

config MFD_DA9052_I2C
        bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C"
        select REGMAP_I2C
        select REGMAP_IRQ
        select PMIC_DA9052
        depends on I2C=y
        help
          Support for the Dialog Semiconductor DA9052 PMIC
          when controlled using I2C. This driver provides common support
          for accessing the device, additional drivers must be enabled in
          order to use the functionality of the device.

config MFD_DA9055
        bool "Dialog Semiconductor DA9055 PMIC Support"
        select REGMAP_I2C
        select REGMAP_IRQ
        select MFD_CORE
        depends on I2C=y
        help
          Say yes here for support of Dialog Semiconductor DA9055. This is
          a Power Management IC. This driver provides common support for
          accessing the device as well as the I2C interface to the chip itself.
          Additional drivers must be enabled in order to use the functionality
          of the device.

          This driver can be built as a module. If built as a module it will be
          called "da9055"

config MFD_DA9062
        tristate "Dialog Semiconductor DA9062 PMIC Support"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C
        help
          Say yes here for support for the Dialog Semiconductor DA9062 PMIC.
          This includes the I2C driver and core APIs.
          Additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_DA9063
        tristate "Dialog Semiconductor DA9063 PMIC Support"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C
        help
          Say yes here for support for the Dialog Semiconductor DA9063 PMIC.
          This includes the I2C driver and core APIs.
          Additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_DA9150
        tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          This adds support for the DA9150 integrated charger and fuel-gauge
          chip. This driver provides common support for accessing the device.
          Additional drivers must be enabled in order to use the specific
          features of the device.

config MFD_DLN2
        tristate "Diolan DLN2 support"
        select MFD_CORE
        depends on USB
        help
          This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter
          DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2,
          etc. must be enabled in order to use the functionality of
          the device.

config MFD_EXYNOS_LPASS
        tristate "Samsung Exynos SoC Low Power Audio Subsystem"
        depends on ARCH_EXYNOS || COMPILE_TEST
        select MFD_CORE
        select REGMAP_MMIO
        help
          Select this option to enable support for Samsung Exynos Low Power
          Audio Subsystem.

config MFD_MC13XXX
        tristate
        depends on (SPI_MASTER || I2C)
        select MFD_CORE
        select REGMAP_IRQ
        help
          Enable support for the Freescale MC13783 and MC13892 PMICs.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_MC13XXX_SPI
        tristate "Freescale MC13783 and MC13892 SPI interface"
        depends on SPI_MASTER
        select REGMAP_SPI
        select MFD_MC13XXX
        help
          Select this if your MC13xxx is connected via an SPI bus.

config MFD_MC13XXX_I2C
        tristate "Freescale MC13892 I2C interface"
        depends on I2C
        select REGMAP_I2C
        select MFD_MC13XXX
        help
          Select this if your MC13xxx is connected via an I2C bus.

config MFD_MX25_TSADC
        tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
        select REGMAP_MMIO
        depends on (SOC_IMX25 && OF) || COMPILE_TEST
        help
          Enable support for the integrated Touchscreen and ADC unit of the
          i.MX25 processors. They consist of a conversion queue for general
          purpose ADC and a queue for Touchscreens.

config MFD_HI6421_PMIC
        tristate "HiSilicon Hi6421 PMU/Codec IC"
        depends on OF
        select MFD_CORE
        select REGMAP_MMIO
        help
          Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi-
          functions, such as regulators, RTC, codec, Coulomb counter, etc.
          This driver includes core APIs _only_. You have to select
          individul components like voltage regulators under corresponding
          menus in order to enable them.
          We communicate with the Hi6421 via memory-mapped I/O.

config MFD_HI655X_PMIC
        tristate "HiSilicon Hi655X series PMU/Codec IC"
        depends on ARCH_HISI || COMPILE_TEST
        depends on OF
        select MFD_CORE
        select REGMAP_MMIO
        select REGMAP_IRQ
        help
          Select this option to enable Hisilicon hi655x series pmic driver.

config HTC_PASIC3
        tristate "HTC PASIC3 LED/DS1WM chip support"
        select MFD_CORE
        help
          This core driver provides register access for the LED/DS1WM
          chips labeled "AIC2" and "AIC3", found on HTC Blueangel and
          HTC Magician devices, respectively. Actual functionality is
          handled by the leds-pasic3 and ds1wm drivers.

config HTC_I2CPLD
        bool "HTC I2C PLD chip support"
        depends on I2C=y && GPIOLIB
        help
          If you say yes here you get support for the supposed CPLD
          found on omap850 HTC devices like the HTC Wizard and HTC Herald.
          This device provides input and output GPIOs through an I2C
          interface to one or more sub-chips.

config MFD_INTEL_QUARK_I2C_GPIO
        tristate "Intel Quark MFD I2C GPIO"
        depends on PCI
        depends on X86
        depends on COMMON_CLK
        select MFD_CORE
        help
          This MFD provides support for I2C and GPIO that exist only
          in a single PCI device. It splits the 2 IO devices to
          their respective IO driver.
          The GPIO exports a total amount of 8 interrupt-capable GPIOs.

config LPC_ICH
        tristate "Intel ICH LPC"
        depends on PCI
        select MFD_CORE
        help
          The LPC bridge function of the Intel ICH provides support for
          many functional units. This driver provides needed support for
          other drivers to control these functions, currently GPIO and
          watchdog.

config LPC_SCH
        tristate "Intel SCH LPC"
        depends on PCI
        select MFD_CORE
        help
          LPC bridge function of the Intel SCH provides support for
          System Management Bus and General Purpose I/O.

config INTEL_SOC_PMIC
        bool "Support for Intel Atom SoC PMIC"
        depends on GPIOLIB
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          Select this option to enable support for the PMIC device
          on some Intel SoC systems. The PMIC provides ADC, GPIO,
          thermal, charger and related power management functions
          on these systems.

config MFD_INTEL_LPSS
        tristate
        select COMMON_CLK
        select MFD_CORE

config MFD_INTEL_LPSS_ACPI
        tristate "Intel Low Power Subsystem support in ACPI mode"
        select MFD_INTEL_LPSS
        depends on X86 && ACPI
        help
          This driver supports Intel Low Power Subsystem (LPSS) devices such as
          I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
          PCH) in ACPI mode.

config MFD_INTEL_LPSS_PCI
        tristate "Intel Low Power Subsystem support in PCI mode"
        select MFD_INTEL_LPSS
        depends on X86 && PCI
        help
          This driver supports Intel Low Power Subsystem (LPSS) devices such as
          I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
          PCH) in PCI mode.

config MFD_INTEL_MSIC
        bool "Intel MSIC"
        depends on INTEL_SCU_IPC
        select MFD_CORE
        help
          Select this option to enable access to Intel MSIC (Avatele
          Passage) chip. This chip embeds audio, battery, GPIO, etc.
          devices used in Intel Medfield platforms.

config MFD_IPAQ_MICRO
        bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
        depends on SA1100_H3100 || SA1100_H3600
        select MFD_CORE
        help
          Select this to get support for the Microcontroller found in
          the Compaq iPAQ handheld computers. This is an Atmel
          AT90LS8535 microcontroller flashed with a special iPAQ
          firmware using the custom protocol implemented in this driver.

config MFD_JANZ_CMODIO
        tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
        select MFD_CORE
        depends on PCI
        help
          This is the core driver for the Janz CMOD-IO PCI MODULbus
          carrier board. This device is a PCI to MODULbus bridge which may
          host many different types of MODULbus daughterboards, including
          CAN and GPIO controllers.

config MFD_JZ4740_ADC
        bool "Janz JZ4740 ADC core"
        select MFD_CORE
        select GENERIC_IRQ_CHIP
        depends on MACH_JZ4740
        help
          Say yes here if you want support for the ADC unit in the JZ4740 SoC.
          This driver is necessary for jz4740-battery and jz4740-hwmon driver.

config MFD_KEMPLD
        tristate "Kontron module PLD device"
        select MFD_CORE
        help
          This is the core driver for the PLD (Programmable Logic Device) found
          on some Kontron ETX and COMexpress (ETXexpress) modules. The PLD
          device may provide functions like watchdog, GPIO, UART and I2C bus.

          The following modules are supported:
                * COMe-bBD#
                * COMe-bBL6
                * COMe-bHL6
                * COMe-bSL6
                * COMe-bIP#
                * COMe-bKL6
                * COMe-bPC2 (ETXexpress-PC)
                * COMe-bSC# (ETXexpress-SC T#)
                * COMe-cAL6
                * COMe-cBL6
                * COMe-cBT6
                * COMe-cBW6
                * COMe-cCT6
                * COMe-cDC2 (microETXexpress-DC)
                * COMe-cHL6
                * COMe-cKL6
                * COMe-cPC2 (microETXexpress-PC)
                * COMe-cSL6
                * COMe-mAL10
                * COMe-mBT10
                * COMe-mCT10
                * COMe-mTT10 (nanoETXexpress-TT)
                * ETX-OH

          This driver can also be built as a module. If so, the module
          will be called kempld-core.

config MFD_88PM800
        tristate "Marvell 88PM800"
        depends on I2C
        select REGMAP_I2C
        select REGMAP_IRQ
        select MFD_CORE
        help
          This supports for Marvell 88PM800 Power Management IC.
          This includes the I2C driver and the core APIs _only_, you have to
          select individual components like voltage regulators, RTC and
          battery-charger under the corresponding menus.

config MFD_88PM805
        tristate "Marvell 88PM805"
        depends on I2C
        select REGMAP_I2C
        select REGMAP_IRQ
        select MFD_CORE
        help
          This supports for Marvell 88PM805 Power Management IC. This includes
          the I2C driver and the core APIs _only_, you have to select individual
          components like codec device, headset/Mic device under the
          corresponding menus.

config MFD_88PM860X
        bool "Marvell 88PM8606/88PM8607"
        depends on I2C=y
        select REGMAP_I2C
        select MFD_CORE
        help
          This supports for Marvell 88PM8606/88PM8607 Power Management IC.
          This includes the I2C driver and the core APIs _only_, you have to
          select individual components like voltage regulators, RTC and
          battery-charger under the corresponding menus.

config MFD_MAX14577
        tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          Say yes here to add support for Maxim Semiconductor MAX14577 and
          MAX77836 Micro-USB ICs with battery charger.
          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MAX77620
        bool "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
        depends on I2C=y
        depends on OF || COMPILE_TEST
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          Say yes here to add support for Maxim Semiconductor MAX77620 and
          MAX20024 which are Power Management IC with General purpose pins,
          RTC, regulators, clock generator, watchdog etc. This driver
          provides common support for accessing the device; additional drivers
          must be enabled in order to use the functionality of the device.

config MFD_MAX77686
        tristate "Maxim Semiconductor MAX77686/802 PMIC Support"
        depends on I2C
        depends on OF || COMPILE_TEST
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          Say yes here to add support for Maxim Semiconductor MAX77686 and
          MAX77802 which are Power Management IC with an RTC on chip.
          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MAX77693
        tristate "Maxim Semiconductor MAX77693 PMIC Support"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          Say yes here to add support for Maxim Semiconductor MAX77693.
          This is a companion Power Management IC with Flash, Haptic, Charger,
          and MUIC(Micro USB Interface Controller) controls on chip.
          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MAX77843
        bool "Maxim Semiconductor MAX77843 PMIC Support"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          Say yes here to add support for Maxim Semiconductor MAX77843.
          This is companion Power Management IC with LEDs, Haptic, Charger,
          Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.
          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MAX8907
        tristate "Maxim Semiconductor MAX8907 PMIC Support"
        select MFD_CORE
        depends on I2C
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          Say yes here to add support for Maxim Semiconductor MAX8907. This is
          a Power Management IC. This driver provides common support for
          accessing the device; additional drivers must be enabled in order
          to use the functionality of the device.

config MFD_MAX8925
        bool "Maxim Semiconductor MAX8925 PMIC Support"
        depends on I2C=y
        select MFD_CORE
        help
          Say yes here to add support for Maxim Semiconductor MAX8925. This is
          a Power Management IC. This driver provides common support for
          accessing the device, additional drivers must be enabled in order
          to use the functionality of the device.

config MFD_MAX8997
        bool "Maxim Semiconductor MAX8997/8966 PMIC Support"
        depends on I2C=y
        select MFD_CORE
        select IRQ_DOMAIN
        help
          Say yes here to add support for Maxim Semiconductor MAX8997/8966.
          This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
          MUIC controls on chip.
          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MAX8998
        bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support"
        depends on I2C=y
        select MFD_CORE
        select IRQ_DOMAIN
        help
          Say yes here to add support for Maxim Semiconductor MAX8998 and
          National Semiconductor LP3974. This is a Power Management IC.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the functionality
          of the device.

config MFD_MT6397
        tristate "MediaTek MT6397 PMIC Support"
        select MFD_CORE
        select IRQ_DOMAIN
        help
          Say yes here to add support for MediaTek MT6397 PMIC. This is
          a Power Management IC. This driver provides common support for
          accessing the device; additional drivers must be enabled in order
          to use the functionality of the device.

config MFD_MENF21BMC
        tristate "MEN 14F021P00 Board Management Controller Support"
        depends on I2C
        select MFD_CORE
        help
          Say yes here to add support for the MEN 14F021P00 BMC
          which is a Board Management Controller connected to the I2C bus.
          The device supports multiple sub-devices like LED, HWMON and WDT.
          This driver provides common support for accessing the devices;
          additional drivers must be enabled in order to use the
          functionality of the BMC device.

          This driver can also be built as a module. If so the module
          will be called menf21bmc.

config EZX_PCAP
        bool "Motorola EZXPCAP Support"
        depends on SPI_MASTER
        help
          This enables the PCAP ASIC present on EZX Phones. This is
          needed for MMC, TouchScreen, Sound, USB, etc..

config MFD_CPCAP
        tristate "Support for Motorola CPCAP"
        depends on SPI
        depends on OF || COMPILE_TEST
        select REGMAP_SPI
        select REGMAP_IRQ
        help
          Say yes here if you want to include driver for CPCAP.
          It is used on many Motorola phones and tablets as a PMIC.
          At least Motorola Droid 4 is known to use CPCAP.

config MFD_VIPERBOARD
        tristate "Nano River Technologies Viperboard"
        select MFD_CORE
        depends on USB
        default n
        help
          Say yes here if you want support for Nano River Technologies
          Viperboard.
          There are mfd cell drivers available for i2c master, adc and
          both gpios found on the board. The spi part does not yet
          have a driver.
          You need to select the mfd cell drivers separately.
          The drivers do not support all features the board exposes.

config MFD_RETU
        tristate "Nokia Retu and Tahvo multi-function device"
        select MFD_CORE
        depends on I2C
        select REGMAP_IRQ
        help
          Retu and Tahvo are a multi-function devices found on Nokia
          Internet Tablets (770, N800 and N810).

config MFD_PCF50633
        tristate "NXP PCF50633"
        depends on I2C
        select REGMAP_I2C
        help
          Say yes here if you have NXP PCF50633 chip on your board.
          This core driver provides register access and IRQ handling
          facilities, and registers devices for the various functions
          so that function-specific drivers can bind to them.

config PCF50633_ADC
        tristate "NXP PCF50633 ADC"
        depends on MFD_PCF50633
        help
         Say yes here if you want to include support for ADC in the
         NXP PCF50633 chip.

config PCF50633_GPIO
        tristate "NXP PCF50633 GPIO"
        depends on MFD_PCF50633
        help
         Say yes here if you want to include support GPIO for pins on
         the PCF50633 chip.

config UCB1400_CORE
        tristate "Philips UCB1400 Core driver"
        depends on AC97_BUS
        depends on GPIOLIB
        help
          This enables support for the Philips UCB1400 core functions.
          The UCB1400 is an AC97 audio codec.

          To compile this driver as a module, choose M here: the
          module will be called ucb1400_core.

config MFD_PM8XXX
        tristate "Qualcomm PM8xxx PMIC chips driver"
        depends on (ARM || HEXAGON)
        select IRQ_DOMAIN
        select MFD_CORE
        select REGMAP
        help
          If you say yes to this option, support will be included for the
          built-in PM8xxx PMIC chips.

          This is required if your board has a PM8xxx and uses its features,
          such as: MPPs, GPIOs, regulators, interrupts, and PWM.

          Say M here if you want to include support for PM8xxx chips as a
          module. This will build a module called "pm8xxx-core".

config MFD_QCOM_RPM
        tristate "Qualcomm Resource Power Manager (RPM)"
        depends on ARCH_QCOM && OF
        help
          If you say yes to this option, support will be included for the
          Resource Power Manager system found in the Qualcomm 8660, 8960 and
          8064 based devices.

          This is required to access many regulators, clocks and bus
          frequencies controlled by the RPM on these devices.

          Say M here if you want to include support for the Qualcomm RPM as a
          module. This will build a module called "qcom_rpm".

config MFD_SPMI_PMIC
        tristate "Qualcomm SPMI PMICs"
        depends on ARCH_QCOM || COMPILE_TEST
        depends on OF
        depends on SPMI
        select REGMAP_SPMI
        help
          This enables support for the Qualcomm SPMI PMICs.
          These PMICs are currently used with the Snapdragon 800 series of
          SoCs.  Note, that this will only be useful paired with descriptions
          of the independent functions as children nodes in the device tree.

          Say M here if you want to include support for the SPMI PMIC
          series as a module.  The module will be called "qcom-spmi-pmic".

config MFD_RDC321X
        tristate "RDC R-321x southbridge"
        select MFD_CORE
        depends on PCI
        help
          Say yes here if you want to have support for the RDC R-321x SoC
          southbridge which provides access to GPIOs and Watchdog using the
          southbridge PCI device configuration space.

config MFD_RTSX_PCI
        tristate "Realtek PCI-E card reader"
        depends on PCI
        select MFD_CORE
        help
          This supports for Realtek PCI-Express card reader including rts5209,
          rts5227, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411, etc.
          Realtek card reader supports access to many types of memory cards,
          such as Memory Stick, Memory Stick Pro, Secure Digital and
          MultiMediaCard.

config MFD_RT5033
        tristate "Richtek RT5033 Power Management IC"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          This driver provides for the Richtek RT5033 Power Management IC,
          which includes the I2C driver and the Core APIs. This driver provides
          common support for accessing the device. The device supports multiple
          sub-devices like charger, fuel gauge, flash LED, current source,
          LDO and Buck.

config MFD_RTSX_USB
        tristate "Realtek USB card reader"
        depends on USB
        select MFD_CORE
        help
          Select this option to get support for Realtek USB 2.0 card readers
          including RTS5129, RTS5139, RTS5179 and RTS5170.
          Realtek card reader supports access to many types of memory cards,
          such as Memory Stick Pro, Secure Digital and MultiMediaCard.

config MFD_RC5T583
        bool "Ricoh RC5T583 Power Management system device"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        help
          Select this option to get support for the RICOH583 Power
          Management system device.
          This driver provides common support for accessing the device
          through i2c interface. The device supports multiple sub-devices
          like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey.
          Additional drivers must be enabled in order to use the
          different functionality of the device.

config MFD_RK808
        tristate "Rockchip RK808/RK818 Power Management Chip"
        depends on I2C && OF
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          If you say yes here you get support for the RK808 and RK818
          Power Management chips.
          This driver provides common support for accessing the device
          through I2C interface. The device supports multiple sub-devices
          including interrupts, RTC, LDO & DCDC regulators, and onkey.

config MFD_RN5T618
        tristate "Ricoh RN5T567/618 PMIC"
        depends on I2C
        depends on OF
        select MFD_CORE
        select REGMAP_I2C
        help
          Say yes here to add support for the Ricoh RN5T567,
          RN5T618, RC5T619 PMIC.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_SEC_CORE
        bool "SAMSUNG Electronics PMIC Series Support"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
         Support for the Samsung Electronics MFD series.
         This driver provides common support for accessing the device,
         additional drivers must be enabled in order to use the functionality
         of the device

config MFD_SI476X_CORE
        tristate "Silicon Laboratories 4761/64/68 AM/FM radio."
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        help
          This is the core driver for the SI476x series of AM/FM
          radio. This MFD driver connects the radio-si476x V4L2 module
          and the si476x audio codec.

          To compile this driver as a module, choose M here: the
          module will be called si476x-core.

config MFD_SM501
        tristate "Silicon Motion SM501"
         ---help---
          This is the core driver for the Silicon Motion SM501 multimedia
          companion chip. This device is a multifunction device which may
          provide numerous interfaces including USB host controller, USB gadget,
          asynchronous serial ports, audio functions, and a dual display video
          interface. The device may be connected by PCI or local bus with
          varying functions enabled.

config MFD_SM501_GPIO
        bool "Export GPIO via GPIO layer"
        depends on MFD_SM501 && GPIOLIB
         ---help---
         This option uses the gpio library layer to export the 64 GPIO
         lines on the SM501. The platform data is used to supply the
         base number for the first GPIO line to register.

config MFD_SKY81452
        tristate "Skyworks Solutions SKY81452"
        select MFD_CORE
        select REGMAP_I2C
        depends on I2C
        help
          This is the core driver for the Skyworks SKY81452 backlight and
          voltage regulator device.

          This driver can also be built as a module.  If so, the module
          will be called sky81452.

config MFD_SMSC
       bool "SMSC ECE1099 series chips"
       depends on I2C=y
       select MFD_CORE
       select REGMAP_I2C
       help
        If you say yes here you get support for the
        ece1099 chips from SMSC.

        To compile this driver as a module, choose M here: the
        module will be called smsc.

config ABX500_CORE
        bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
        default y if ARCH_U300 || ARCH_U8500 || COMPILE_TEST
        help
          Say yes here if you have the ABX500 Mixed Signal IC family
          chips. This core driver expose register access functions.
          Functionality specific drivers using these functions can
          remain unchanged when IC changes. Binding of the functions to
          actual register access is done by the IC core driver.

config AB3100_CORE
        bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions"
        depends on I2C=y && ABX500_CORE
        select MFD_CORE
        default y if ARCH_U300
        help
          Select this to enable the AB3100 Mixed Signal IC core
          functionality. This connects to a AB3100 on the I2C bus
          and expose a number of symbols needed for dependent devices
          to read and write registers and subscribe to events from
          this multi-functional IC. This is needed to use other features
          of the AB3100 such as battery-backed RTC, charging control,
          LEDs, vibrator, system power and temperature, power management
          and ALSA sound.

config AB3100_OTP
        tristate "ST-Ericsson AB3100 OTP functions"
        depends on AB3100_CORE
        default y if AB3100_CORE
        help
          Select this to enable the AB3100 Mixed Signal IC OTP (one-time
          programmable memory) support. This exposes a sysfs file to read
          out OTP values.

config AB8500_CORE
        bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
        depends on ABX500_CORE && MFD_DB8500_PRCMU
        select POWER_SUPPLY
        select MFD_CORE
        select IRQ_DOMAIN
        help
          Select this option to enable access to AB8500 power management
          chip. This connects to U8500 either on the SSP/SPI bus (deprecated
          since hardware version v1.0) or the I2C bus via PRCMU. It also adds
          the irq_chip parts for handling the Mixed Signal chip events.
          This chip embeds various other multimedia funtionalities as well.

config AB8500_DEBUG
       bool "Enable debug info via debugfs"
       depends on AB8500_GPADC && DEBUG_FS
       default y if DEBUG_FS
       help
         Select this option if you want debug information using the debug
         filesystem, debugfs.

config AB8500_GPADC
        bool "ST-Ericsson AB8500 GPADC driver"
        depends on AB8500_CORE && REGULATOR_AB8500
        default y
        help
          AB8500 GPADC driver used to convert Acc and battery/ac/usb voltage

config MFD_DB8500_PRCMU
        bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
        depends on UX500_SOC_DB8500
        select MFD_CORE
        help
          Select this option to enable support for the DB8500 Power Reset
          and Control Management Unit. This is basically an autonomous
          system controller running an XP70 microprocessor, which is accessed
          through a register map.

config MFD_STMPE
        bool "STMicroelectronics STMPE"
        depends on (I2C=y || SPI_MASTER=y)
        depends on OF
        select MFD_CORE
        help
          Support for the STMPE family of I/O Expanders from
          STMicroelectronics.

          Currently supported devices are:

                STMPE811: GPIO, Touchscreen
                STMPE1601: GPIO, Keypad
                STMPE1801: GPIO, Keypad
                STMPE2401: GPIO, Keypad
                STMPE2403: GPIO, Keypad

          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the functionality
          of the device.  Currently available sub drivers are:

                GPIO: stmpe-gpio
                Keypad: stmpe-keypad
                Touchscreen: stmpe-ts

menu "STMicroelectronics STMPE Interface Drivers"
depends on MFD_STMPE

config STMPE_I2C
        bool "STMicroelectronics STMPE I2C Interface"
        depends on I2C=y
        default y
        help
          This is used to enable I2C interface of STMPE

config STMPE_SPI
        bool "STMicroelectronics STMPE SPI Interface"
        depends on SPI_MASTER
        help
          This is used to enable SPI interface of STMPE
endmenu

config MFD_STA2X11
        bool "STMicroelectronics STA2X11"
        depends on STA2X11
        select MFD_CORE
        select REGMAP_MMIO

config MFD_SUN6I_PRCM
        bool "Allwinner A31 PRCM controller"
        depends on ARCH_SUNXI
        select MFD_CORE
        help
          Support for the PRCM (Power/Reset/Clock Management) unit available
          in A31 SoC.

config MFD_SYSCON
        bool "System Controller Register R/W Based on Regmap"
        select REGMAP_MMIO
        help
          Select this option to enable accessing system control registers
          via regmap.

config MFD_DAVINCI_VOICECODEC
        tristate
        select MFD_CORE
        select REGMAP_MMIO

config MFD_TI_AM335X_TSCADC
        tristate "TI ADC / Touch Screen chip support"
        select MFD_CORE
        select REGMAP
        select REGMAP_MMIO
        help
          If you say yes here you get support for Texas Instruments series
          of Touch Screen /ADC chips.
          To compile this driver as a module, choose M here: the
          module will be called ti_am335x_tscadc.

config MFD_DM355EVM_MSP
        bool "TI DaVinci DM355 EVM microcontroller"
        depends on I2C=y && MACH_DAVINCI_DM355_EVM
        help
          This driver supports the MSP430 microcontroller used on these
          boards.  MSP430 firmware manages resets and power sequencing,
          inputs from buttons and the IR remote, LEDs, an RTC, and more.

config MFD_LP3943
        tristate "TI/National Semiconductor LP3943 MFD Driver"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        help
          Support for the TI/National Semiconductor LP3943.
          This driver consists of GPIO and PWM drivers.
          With these functionalities, it can be used for LED string control or
          general usage such like a GPIO controller and a PWM controller.

config MFD_LP8788
        bool "TI LP8788 Power Management Unit Driver"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select IRQ_DOMAIN
        help
          TI LP8788 PMU supports regulators, battery charger, RTC,
          ADC, backlight driver and current sinks.

config MFD_OMAP_USB_HOST
        bool "TI OMAP USBHS core and TLL driver"
        depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
        default y
        help
          This is the core driver for the OAMP EHCI and OHCI drivers.
          This MFD driver does the required setup functionalities for
          OMAP USB Host drivers.

config MFD_PALMAS
        bool "TI Palmas series chips"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C=y
        help
          If you say yes here you get support for the Palmas
          series of PMIC chips from Texas Instruments.

config TPS6105X
        tristate "TI TPS61050/61052 Boost Converters"
        depends on I2C
        select REGMAP_I2C
        select REGULATOR
        select MFD_CORE
        select REGULATOR_FIXED_VOLTAGE
        help
          This option enables a driver for the TP61050/TPS61052
          high-power "white LED driver". This boost converter is
          sometimes used for other things than white LEDs, and
          also contains a GPIO pin.

config TPS65010
        tristate "TI TPS6501x Power Management chips"
        depends on I2C && GPIOLIB
        default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK
        help
          If you say yes here you get support for the TPS6501x series of
          Power Management chips.  These include voltage regulators,
          lithium ion/polymer battery charging, and other features that
          are often used in portable devices like cell phones and cameras.

          This driver can also be built as a module.  If so, the module
          will be called tps65010.

config TPS6507X
        tristate "TI TPS6507x Power Management / Touch Screen chips"
        select MFD_CORE
        depends on I2C
        help
          If you say yes here you get support for the TPS6507x series of
          Power Management / Touch Screen chips.  These include voltage
          regulators, lithium ion/polymer battery charging, touch screen
          and other features that are often used in portable devices.
          This driver can also be built as a module.  If so, the module
          will be called tps6507x.

config MFD_TPS65086
        tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
        select REGMAP
        select REGMAP_IRQ
        select REGMAP_I2C
        depends on I2C
        help
          If you say yes here you get support for the TPS65086 series of
          Power Management chips.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config TPS65911_COMPARATOR
        tristate

config MFD_TPS65090
        bool "TI TPS65090 Power Management chips"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          If you say yes here you get support for the TPS65090 series of
          Power Management chips.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_TPS65217
        tristate "TI TPS65217 Power Management / White LED chips"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select IRQ_DOMAIN
        help
          If you say yes here you get support for the TPS65217 series of
          Power Management / White LED chips.
          These include voltage regulators, lithium ion/polymer battery
          charger, wled and other features that are often used in portable
          devices.

          This driver can also be built as a module.  If so, the module
          will be called tps65217.

config MFD_TI_LP873X
        tristate "TI LP873X Power Management IC"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        help
          If you say yes here then you get support for the LP873X series of
          Power Management Integrated Circuits (PMIC).
          These include voltage regulators, thermal protection, configurable
          General Purpose Outputs (GPO) that are used in portable devices.

          This driver can also be built as a module. If so, the module
          will be called lp873x.

config MFD_TPS65218
        tristate "TI TPS65218 Power Management chips"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          If you say yes here you get support for the TPS65218 series of
          Power Management chips.
          These include voltage regulators, gpio and other features
          that are often used in portable devices. Only regulator
          component is currently supported.

          This driver can also be built as a module.  If so, the module
          will be called tps65218.

config MFD_TPS6586X
        bool "TI TPS6586x Power Management chips"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        help
          If you say yes here you get support for the TPS6586X series of
          Power Management chips.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

          This driver can also be built as a module.  If so, the module
          will be called tps6586x.

config MFD_TPS65910
        bool "TI TPS65910 Power Management chip"
        depends on I2C=y
        depends on GPIOLIB || COMPILE_TEST
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          if you say yes here you get support for the TPS65910 series of
          Power Management chips.

config MFD_TPS65912
        tristate
        select MFD_CORE
        select REGMAP
        select REGMAP_IRQ

config MFD_TPS65912_I2C
        tristate "TI TPS65912 Power Management chip with I2C"
        select MFD_TPS65912
        select REGMAP_I2C
        depends on I2C
        help
          If you say yes here you get support for the TPS65912 series of
          PM chips with I2C interface.

config MFD_TPS65912_SPI
        tristate "TI TPS65912 Power Management chip with SPI"
        select MFD_TPS65912
        select REGMAP_SPI
        depends on SPI_MASTER
        help
          If you say yes here you get support for the TPS65912 series of
          PM chips with SPI interface.

config MFD_TPS80031
        bool "TI TPS80031/TPS80032 Power Management chips"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        help
          If you say yes here you get support for the Texas Instruments
          TPS80031/ TPS80032 Fully Integrated Power Management with Power
          Path and Battery Charger. The device provides five configurable
          step-down converters, 11 general purpose LDOs, USB OTG Module,
          ADC, RTC, 2 PWM, System Voltage Regulator/Battery Charger with
          Power Path from USB, 32K clock generator.

config TWL4030_CORE
        bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
        depends on I2C=y
        select IRQ_DOMAIN
        select REGMAP_I2C
        help
          Say yes here if you have TWL4030 / TWL6030 family chip on your board.
          This core driver provides register access and IRQ handling
          facilities, and registers devices for the various functions
          so that function-specific drivers can bind to them.

          These multi-function chips are found on many OMAP2 and OMAP3
          boards, providing power management, RTC, GPIO, keypad, a
          high speed USB OTG transceiver, an audio codec (on most
          versions) and many other features.

config TWL4030_POWER
        bool "TI TWL4030 power resources"
        depends on TWL4030_CORE && ARM
        help
          Say yes here if you want to use the power resources on the
          TWL4030 family chips.  Most of these resources are regulators,
          which have a separate driver; some are control signals, such
          as clock request handshaking.

          This driver uses board-specific data to initialize the resources
          and load scripts controlling which resources are switched off/on
          or reset when a sleep, wakeup or warm reset event occurs.

config MFD_TWL4030_AUDIO
        bool "TI TWL4030 Audio"
        depends on TWL4030_CORE
        select MFD_CORE
        default n

config TWL6040_CORE
        bool "TI TWL6040 audio codec"
        depends on I2C=y
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        default n
        help
          Say yes here if you want support for Texas Instruments TWL6040 audio
          codec.
          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device (audio, vibra).

config MENELAUS
        bool "TI TWL92330/Menelaus PM chip"
        depends on I2C=y && ARCH_OMAP2
        help
          If you say yes here you get support for the Texas Instruments
          TWL92330/Menelaus Power Management chip. This include voltage
          regulators, Dual slot memory card transceivers, real-time clock
          and other features that are often used in portable devices like
          cell phones and PDAs.

config MFD_WL1273_CORE
        tristate "TI WL1273 FM radio"
        depends on I2C
        select MFD_CORE
        default n
        help
          This is the core driver for the TI WL1273 FM radio. This MFD
          driver connects the radio-wl1273 V4L2 module and the wl1273
          audio codec.

config MFD_LM3533
        tristate "TI/National Semiconductor LM3533 Lighting Power chip"
        depends on I2C
        select MFD_CORE
        select REGMAP_I2C
        help
          Say yes here to enable support for National Semiconductor / TI
          LM3533 Lighting Power chips.

          This driver provides common support for accessing the device;
          additional drivers must be enabled in order to use the LED,
          backlight or ambient-light-sensor functionality of the device.

config MFD_TIMBERDALE
        tristate "Timberdale FPGA"
        select MFD_CORE
        depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
        ---help---
        This is the core driver for the timberdale FPGA. This device is a
        multifunction device which exposes numerous platform devices.

        The timberdale FPGA can be found on the Intel Atom development board
        for in-vehicle infontainment, called Russellville.

config MFD_TC3589X
        bool "Toshiba TC35892 and variants"
        depends on I2C=y
        depends on OF
        select MFD_CORE
        help
          Support for the Toshiba TC35892 and variants I/O Expander.

          This driver provides common support for accessing the device,
          additional drivers must be enabled in order to use the
          functionality of the device.

config MFD_TMIO
        bool
        default n

config MFD_T7L66XB
        bool "Toshiba T7L66XB"
        depends on ARM && HAVE_CLK
        select MFD_CORE
        select MFD_TMIO
        help
          Support for Toshiba Mobile IO Controller T7L66XB

config MFD_TC6387XB
        bool "Toshiba TC6387XB"
        depends on ARM && HAVE_CLK
        select MFD_CORE
        select MFD_TMIO
        help
          Support for Toshiba Mobile IO Controller TC6387XB

config MFD_TC6393XB
        bool "Toshiba TC6393XB"
        depends on ARM && HAVE_CLK
        select GPIOLIB
        select MFD_CORE
        select MFD_TMIO
        help
          Support for Toshiba Mobile IO Controller TC6393XB

config MFD_VX855
        tristate "VIA VX855/VX875 integrated south bridge"
        depends on PCI
        select MFD_CORE
        help
          Say yes here to enable support for various functions of the
          VIA VX855/VX875 south bridge. You will need to enable the vx855_spi
          and/or vx855_gpio drivers for this to do anything useful.

config MFD_ARIZONA
        select REGMAP
        select REGMAP_IRQ
        select MFD_CORE
        bool

config MFD_ARIZONA_I2C
        tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
        select MFD_ARIZONA
        select REGMAP_I2C
        depends on I2C
        help
          Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
          audio SoC core functionality controlled via I2C.

config MFD_ARIZONA_SPI
        tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI"
        select MFD_ARIZONA
        select REGMAP_SPI
        depends on SPI_MASTER
        help
          Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
          audio SoC core functionality controlled via SPI.

config MFD_CS47L24
        bool "Cirrus Logic CS47L24 and WM1831"
        depends on MFD_ARIZONA
        help
          Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC

config MFD_WM5102
        bool "Wolfson Microelectronics WM5102"
        depends on MFD_ARIZONA
        help
          Support for Wolfson Microelectronics WM5102 low power audio SoC

config MFD_WM5110
        bool "Wolfson Microelectronics WM5110 and WM8280/WM8281"
        depends on MFD_ARIZONA
        help
          Support for Wolfson Microelectronics WM5110 and WM8280/WM8281
          low power audio SoC

config MFD_WM8997
        bool "Wolfson Microelectronics WM8997"
        depends on MFD_ARIZONA
        help
          Support for Wolfson Microelectronics WM8997 low power audio SoC

config MFD_WM8998
        bool "Wolfson Microelectronics WM8998"
        depends on MFD_ARIZONA
        help
          Support for Wolfson Microelectronics WM8998 low power audio SoC

config MFD_WM8400
        bool "Wolfson Microelectronics WM8400"
        select MFD_CORE
        depends on I2C=y
        select REGMAP_I2C
        help
          Support for the Wolfson Microelecronics WM8400 PMIC and audio
          CODEC.  This driver provides common support for accessing
          the device, additional drivers must be enabled in order to use
          the functionality of the device.

config MFD_WM831X
        bool

config MFD_WM831X_I2C
        bool "Wolfson Microelectronics WM831x/2x PMICs with I2C"
        select MFD_CORE
        select MFD_WM831X
        select REGMAP_I2C
        select IRQ_DOMAIN
        depends on I2C=y
        help
          Support for the Wolfson Microelecronics WM831x and WM832x PMICs
          when controlled using I2C.  This driver provides common support
          for accessing the device, additional drivers must be enabled in
          order to use the functionality of the device.

config MFD_WM831X_SPI
        bool "Wolfson Microelectronics WM831x/2x PMICs with SPI"
        select MFD_CORE
        select MFD_WM831X
        select REGMAP_SPI
        select IRQ_DOMAIN
        depends on SPI_MASTER
        help
          Support for the Wolfson Microelecronics WM831x and WM832x PMICs
          when controlled using SPI.  This driver provides common support
          for accessing the device, additional drivers must be enabled in
          order to use the functionality of the device.

config MFD_WM8350
        bool

config MFD_WM8350_I2C
        bool "Wolfson Microelectronics WM8350 with I2C"
        select MFD_WM8350
        select REGMAP_I2C
        depends on I2C=y
        help
          The WM8350 is an integrated audio and power management
          subsystem with watchdog and RTC functionality for embedded
          systems.  This option enables core support for the WM8350 with
          I2C as the control interface.  Additional options must be
          selected to enable support for the functionality of the chip.

config MFD_WM8994
        tristate "Wolfson Microelectronics WM8994"
        select MFD_CORE
        select REGMAP_I2C
        select REGMAP_IRQ
        depends on I2C
        help
          The WM8994 is a highly integrated hi-fi CODEC designed for
          smartphone applications.  As well as audio functionality it
          has on board GPIO and regulator functionality which is
          supported via the relevant subsystems.  This driver provides
          core support for the WM8994, in order to use the actual
          functionaltiy of the device other drivers must be enabled.

config MFD_STW481X
        tristate "Support for ST Microelectronics STw481x"
        depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
        select REGMAP_I2C
        select MFD_CORE
        help
          Select this option to enable the STw481x chip driver used
          in various ST Microelectronics and ST-Ericsson embedded
          Nomadik series.

config MFD_STM32_TIMERS
        tristate "Support for STM32 Timers"
        depends on (ARCH_STM32 && OF) || COMPILE_TEST
        select MFD_CORE
        select REGMAP
        select REGMAP_MMIO
        help
          Select this option to enable STM32 timers driver used
          for PWM and IIO Timer. This driver allow to share the
          registers between the others drivers.

menu "Multimedia Capabilities Port drivers"
        depends on ARCH_SA1100

config MCP
        tristate

# Interface drivers
config MCP_SA11X0
        tristate "Support SA11x0 MCP interface"
        depends on ARCH_SA1100
        select MCP

# Chip drivers
config MCP_UCB1200
        tristate "Support for UCB1200 / UCB1300"
        depends on MCP_SA11X0
        select MCP

config MCP_UCB1200_TS
        tristate "Touchscreen interface support"
        depends on MCP_UCB1200 && INPUT

endmenu

config MFD_VEXPRESS_SYSREG
        bool "Versatile Express System Registers"
        depends on VEXPRESS_CONFIG && GPIOLIB && !ARCH_USES_GETTIMEOFFSET
        default y
        select CLKSRC_MMIO
        select GPIO_GENERIC_PLATFORM
        select MFD_CORE
        select MFD_SYSCON
        help
          System Registers are the platform configuration block
          on the ARM Ltd. Versatile Express board.

endmenu
endif