#

  # GPIO infrastructure and drivers

  #

  config ARCH_HAVE_CUSTOM_GPIO_H
  	bool
  	help
  	  Selecting this config option from the architecture Kconfig allows
  	  the architecture to provide a custom asm/gpio.h implementation
  	  overriding the default implementations.  New uses of this are
  	  strongly discouraged.

  config ARCH_WANT_OPTIONAL_GPIOLIB

  	bool
  	help

  	  Select this config option from the architecture Kconfig, if
  	  it is possible to use gpiolib on the architecture, but let the
  	  user decide whether to actually build it or not.
  	  Select this instead of ARCH_REQUIRE_GPIOLIB, if your architecture does
  	  not depend on GPIOs being available, but rather let the user
  	  decide whether he needs it or not.
  
  config ARCH_REQUIRE_GPIOLIB
  	bool
  	select GPIOLIB
  	help

  	  Platforms select gpiolib if they use this infrastructure
  	  for all their GPIOs, usually starting with ones integrated
  	  into SOC processors.

  	  Selecting this from the architecture code will cause the gpiolib
  	  code to always get built in.

  config GPIO_DEVRES
  	def_bool y
  	depends on HAS_IOMEM

  
  
  menuconfig GPIOLIB
  	bool "GPIO Support"
  	depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB

  	help
  	  This enables GPIO support through the generic GPIO library.
  	  You only need to enable this, if you also want to enable

  	  one or more of the GPIO drivers below.

  
  	  If unsure, say N.

  if GPIOLIB

  config OF_GPIO
  	def_bool y

  	depends on OF

  config GPIO_ACPI
  	def_bool y
  	depends on ACPI

  config DEBUG_GPIO
  	bool "Debug GPIO calls"
  	depends on DEBUG_KERNEL
  	help
  	  Say Y here to add some extra checks and diagnostics to GPIO calls.

  	  These checks help ensure that GPIOs have been properly initialized
  	  before they are used, and that sleeping calls are not made from
  	  non-sleeping contexts.  They can make bitbanged serial protocols

  	  slower.  The diagnostics help catch the type of setup errors
  	  that are most common when setting up new platforms or boards.

  config GPIO_SYSFS
  	bool "/sys/class/gpio/... (sysfs interface)"

  	depends on SYSFS

  	help
  	  Say Y here to add a sysfs interface for GPIOs.
  
  	  This is mostly useful to work around omissions in a system's
  	  kernel support.  Those are common in custom and semicustom
  	  hardware assembled using standard kernels with a minimum of
  	  custom patches.  In those cases, userspace code may import
  	  a given GPIO from the kernel, if no kernel driver requested it.
  
  	  Kernel drivers may also request that a particular GPIO be
  	  exported to userspace; this can be useful when debugging.

  config GPIO_GENERIC
  	tristate

  # put drivers in the right section, in alphabetical order

  config GPIO_DA9052
  	tristate "Dialog DA9052 GPIO"

  	depends on PMIC_DA9052

  	help
  	  Say yes here to enable the GPIO driver for the DA9052 chip.

  config GPIO_DA9055
  	tristate "Dialog Semiconductor DA9055 GPIO"
  	depends on MFD_DA9055
  	help
  	  Say yes here to enable the GPIO driver for the DA9055 chip.
  
  	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
  	  be controller by this driver.
  
  	  If driver is built as a module it will be called gpio-da9055.

  config GPIO_MAX730X
  	tristate

  comment "Memory mapped GPIO drivers:"

  config GPIO_CLPS711X
  	def_bool y
  	depends on ARCH_CLPS711X

  config GPIO_GENERIC_PLATFORM
  	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
  	select GPIO_GENERIC

  	help

  	  Say yes here to support basic platform_device memory-mapped GPIO controllers.

  config GPIO_IT8761E
  	tristate "IT8761E GPIO support"

  	depends on X86  # unconditional access to IO space.

  	help
  	  Say yes here to support GPIO functionality of IT8761E super I/O chip.

  config GPIO_EM
  	tristate "Emma Mobile GPIO"
  	depends on ARM
  	help
  	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.

  config GPIO_EP93XX
  	def_bool y
  	depends on ARCH_EP93XX

  	select GPIO_GENERIC

  config GPIO_MM_LANTIQ
  	bool "Lantiq Memory mapped GPIOs"
  	depends on LANTIQ && SOC_XWAY
  	help
  	  This enables support for memory mapped GPIOs on the External Bus Unit
  	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
  	  created by attaching a 16bit latch to the bus.

  config GPIO_MPC5200
  	def_bool y
  	depends on PPC_MPC52xx

  config GPIO_MPC8XXX
  	bool "MPC512x/MPC8xxx GPIO support"
  	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
  		   FSL_SOC_BOOKE || PPC_86xx
  	help
  	  Say Y here if you're going to use hardware that connects to the
  	  MPC512x/831x/834x/837x/8572/8610 GPIOs.

  config GPIO_MSM_V1
  	tristate "Qualcomm MSM GPIO v1"

  	depends on GPIOLIB && ARCH_MSM && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)

  	help
  	  Say yes here to support the GPIO interface on ARM v6 based
  	  Qualcomm MSM chips.  Most of the pins on the MSM can be
  	  selected for GPIO, and are controlled by this driver.

  config GPIO_MSM_V2
  	tristate "Qualcomm MSM GPIO v2"
  	depends on GPIOLIB && ARCH_MSM
  	help
  	  Say yes here to support the GPIO interface on ARM v7 based
  	  Qualcomm MSM chips.  Most of the pins on the MSM can be
  	  selected for GPIO, and are controlled by this driver.

  config GPIO_MVEBU
  	def_bool y

  	depends on PLAT_ORION

  	depends on OF

  	select GPIO_GENERIC
  	select GENERIC_IRQ_CHIP

  config GPIO_MXC
  	def_bool y
  	depends on ARCH_MXC

  	select GPIO_GENERIC

  	select GENERIC_IRQ_CHIP

  
  config GPIO_MXS
  	def_bool y
  	depends on ARCH_MXS

  	select GPIO_GENERIC

  	select GENERIC_IRQ_CHIP

  config GPIO_PL061
  	bool "PrimeCell PL061 GPIO support"

  	depends on ARM && ARM_AMBA

  	select GENERIC_IRQ_CHIP

  	help
  	  Say yes here to support the PrimeCell PL061 GPIO device

  config GPIO_PXA
  	bool "PXA GPIO support"
  	depends on ARCH_PXA || ARCH_MMP
  	help
  	  Say yes here to support the PXA GPIO device

  config GPIO_RCAR
  	tristate "Renesas R-Car GPIO"
  	depends on ARM
  	help
  	  Say yes here to support GPIO on Renesas R-Car SoCs.

  config GPIO_SPEAR_SPICS
  	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
  	depends on PLAT_SPEAR
  	select GENERIC_IRQ_CHIP
  	help
  	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device

  config GPIO_STA2X11
  	bool "STA2x11/ConneXt GPIO support"
  	depends on MFD_STA2X11
  	select GENERIC_IRQ_CHIP
  	help
  	  Say yes here to support the STA2x11/ConneXt GPIO device.
  	  The GPIO module has 128 GPIO pins with alternate functions.

  config GPIO_TS5500
  	tristate "TS-5500 DIO blocks and compatibles"
  	help
  	  This driver supports Digital I/O exposed by pin blocks found on some
  	  Technologic Systems platforms. It includes, but is not limited to, 3
  	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
  	  LCD port.

  config GPIO_XILINX
  	bool "Xilinx GPIO support"

  	depends on PPC_OF || MICROBLAZE

  	help
  	  Say yes here to support the Xilinx FPGA GPIO device

  config GPIO_VR41XX
  	tristate "NEC VR4100 series General-purpose I/O Uint support"
  	depends on CPU_VR41XX
  	help
  	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint

  config GPIO_SCH

  	tristate "Intel SCH/TunnelCreek/Centerton GPIO"

  	depends on PCI && X86

  	select MFD_CORE

  	select LPC_SCH
  	help

  	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
  	  Intel Tunnel Creek processor or Intel Centerton processor.

  	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
  	  powered by the core power rail and are turned off during sleep
  	  modes (S3 and higher). The remaining four GPIOs are powered by
  	  the Intel SCH suspend power supply. These GPIOs remain
  	  active during S3. The suspend powered GPIOs can be used to wake the
  	  system from the Suspend-to-RAM state.

  	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
  	  core power rail and 9 from suspend power supply.

  	  The Intel Centerton processor has a total of 30 GPIO pins.
  	  Twenty-one are powered by the core power rail and 9 from the
  	  suspend power supply.

  config GPIO_ICH
  	tristate "Intel ICH GPIO"
  	depends on PCI && X86
  	select MFD_CORE
  	select LPC_ICH
  	help
  	  Say yes here to support the GPIO functionality of a number of Intel
  	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
  	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
  	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
  
  	  If unsure, say N.

  config GPIO_VX855
  	tristate "VIA VX855/VX875 GPIO"

  	depends on PCI && GENERIC_HARDIRQS

  	select MFD_CORE
  	select MFD_VX855
  	help
  	  Support access to the VX855/VX875 GPIO lines through the gpio library.
  
  	  This driver provides common support for accessing the device,
  	  additional drivers must be enabled in order to use the
  	  functionality of the device.

  config GPIO_GE_FPGA
  	bool "GE FPGA based GPIO"
  	depends on GE_FPGA
  	help
  	  Support for common GPIO functionality provided on some GE Single Board
  	  Computers.
  
  	  This driver provides basic support (configure as input or output, read
  	  and write pin state) for GPIO implemented in a number of GE single
  	  board computers.

  config GPIO_LYNXPOINT
  	bool "Intel Lynxpoint GPIO support"

  	depends on ACPI && X86

  	select IRQ_DOMAIN
  	help
  	  driver for GPIO functionality on Intel Lynxpoint PCH chipset
  	  Requires ACPI device enumeration code to set up a platform device.

  config GPIO_GRGPIO
  	tristate "Aeroflex Gaisler GRGPIO support"
  	depends on OF
  	select GPIO_GENERIC
  	select IRQ_DOMAIN
  	help
  	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
  	  VHDL IP core library.

  comment "I2C GPIO expanders:"

  config GPIO_ARIZONA
  	tristate "Wolfson Microelectronics Arizona class devices"
  	depends on MFD_ARIZONA
  	help
  	  Support for GPIOs on Wolfson Arizona class devices.

  config GPIO_MAX7300
  	tristate "Maxim MAX7300 GPIO expander"
  	depends on I2C
  	select GPIO_MAX730X
  	help
  	  GPIO driver for Maxim MAX7301 I2C-based GPIO expander.

  config GPIO_MAX732X
  	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
  	depends on I2C
  	help
  	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
  	  Port Expanders. Each IO port on these chips has a fixed role of
  	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
  	  Input and Output (designed by 'P'). The combinations are listed
  	  below:
  
  	  8 bits:	max7319 (8I), max7320 (8O), max7321 (8P),
  		  	max7322 (4I4O), max7323 (4P4O)
  
  	  16 bits:	max7324 (8I8O), max7325 (8P8O),
  		  	max7326 (4I12O), max7327 (4P12O)
  
  	  Board setup code must specify the model to use, and the start
  	  number for these GPIOs.

  config GPIO_MAX732X_IRQ
  	bool "Interrupt controller support for MAX732x"
  	depends on GPIO_MAX732X=y && GENERIC_HARDIRQS
  	help
  	  Say yes here to enable the max732x to be used as an interrupt
  	  controller. It requires the driver to be built in the kernel.

  config GPIO_MC9S08DZ60
  	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"

  	depends on I2C=y && MACH_MX35_3DS

  	help
  	  Select this to enable the MC9S08DZ60 GPIO driver

  config GPIO_PCA953X

  	tristate "PCA953x, PCA955x, PCA957x, TCA64xx, and MAX7310 I/O ports"

  	depends on I2C
  	help

  	  Say yes here to provide access to several register-oriented
  	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
  	  models include:
  
  	  4 bits:	pca9536, pca9537

  	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
  			pca9556, pca9557, pca9574, tca6408

  	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
  			tca6416

  config GPIO_PCA953X_IRQ
  	bool "Interrupt controller support for PCA953x"
  	depends on GPIO_PCA953X=y
  	help
  	  Say yes here to enable the pca953x to be used as an interrupt
  	  controller. It requires the driver to be built in the kernel.

  config GPIO_PCF857X

  	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"

  	depends on I2C

  	select IRQ_DOMAIN

  	help
  	  Say yes here to provide access to most "quasi-bidirectional" I2C
  	  GPIO expanders used for additional digital outputs or inputs.
  	  Most of these parts are from NXP, though TI is a second source for
  	  some of them.  Compatible models include:
  
  	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,

  	            pca9670, pca9672, pca9674, pca9674a,
  	  	    max7328, max7329

  
  	  16 bits:  pcf8575, pcf8575c, pca8575,
  	            pca9671, pca9673, pca9675
  
  	  Your board setup code will need to declare the expanders in
  	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
  	  can then be used from drivers and other kernel code, just like
  	  other GPIOs, but only accessible from task contexts.
  
  	  This driver provides an in-kernel interface to those GPIOs using
  	  platform-neutral GPIO calls.

  config GPIO_RC5T583
  	bool "RICOH RC5T583 GPIO"
  	depends on MFD_RC5T583
  	help
  	  Select this option to enable GPIO driver for the Ricoh RC5T583
  	  chip family.
  	  This driver provides the support for driving/reading the gpio pins
  	  of RC5T583 device through standard gpio library.

  config GPIO_SX150X
  	bool "Semtech SX150x I2C GPIO expander"
  	depends on I2C=y
  	default n
  	help
  	  Say yes here to provide support for Semtech SX150-series I2C
  	  GPIO expanders. Compatible models include:
  
  	  8 bits:  sx1508q
  	  16 bits: sx1509q

  config GPIO_STMPE
  	bool "STMPE GPIOs"
  	depends on MFD_STMPE
  	help
  	  This enables support for the GPIOs found on the STMPE I/O
  	  Expanders.

  config GPIO_STP_XWAY
  	bool "XWAY STP GPIOs"
  	depends on SOC_XWAY
  	help
  	  This enables support for the Serial To Parallel (STP) unit found on
  	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
  	  that can be up to 24 bit. This peripheral is aimed at driving leds.
  	  Some of the gpios/leds can be auto updated by the soc with dsl and
  	  phy status.

  config GPIO_TC3589X
  	bool "TC3589X GPIOs"
  	depends on MFD_TC3589X

  	help

  	  This enables support for the GPIOs found on the TC3589X

  	  I/O Expander.

  config GPIO_TPS65912
  	tristate "TI TPS65912 GPIO"
  	depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
  	help
  	  This driver supports TPS65912 gpio chip

  config GPIO_TWL4030
  	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
  	depends on TWL4030_CORE
  	help
  	  Say yes here to access the GPIO signals of various multi-function
  	  power management chips from Texas Instruments.

  config GPIO_TWL6040
  	tristate "TWL6040 GPO"
  	depends on TWL6040_CORE
  	help
  	  Say yes here to access the GPO signals of twl6040
  	  audio chip from Texas Instruments.

  config GPIO_WM831X
  	tristate "WM831x GPIOs"
  	depends on MFD_WM831X
  	help
  	  Say yes here to access the GPIO signals of WM831x power management
  	  chips from Wolfson Microelectronics.

  config GPIO_WM8350
  	tristate "WM8350 GPIOs"
  	depends on MFD_WM8350
  	help
  	  Say yes here to access the GPIO signals of WM8350 power management
  	  chips from Wolfson Microelectronics.

  config GPIO_WM8994
  	tristate "WM8994 GPIOs"
  	depends on MFD_WM8994
  	help
  	  Say yes here to access the GPIO signals of WM8994 audio hub
  	  CODECs from Wolfson Microelectronics.

  config GPIO_ADP5520
  	tristate "GPIO Support for ADP5520 PMIC"
  	depends on PMIC_ADP5520
  	help
  	  This option enables support for on-chip GPIO found
  	  on Analog Devices ADP5520 PMICs.

  config GPIO_ADP5588
  	tristate "ADP5588 I2C GPIO expander"
  	depends on I2C
  	help
  	  This option enables support for 18 GPIOs found
  	  on Analog Devices ADP5588 GPIO Expanders.

  config GPIO_ADP5588_IRQ
  	bool "Interrupt controller support for ADP5588"
  	depends on GPIO_ADP5588=y
  	help
  	  Say yes here to enable the adp5588 to be used as an interrupt
  	  controller. It requires the driver to be built in the kernel.

  config GPIO_ADNP
  	tristate "Avionic Design N-bit GPIO expander"

  	depends on I2C && OF_GPIO

  	help
  	  This option enables support for N GPIOs found on Avionic Design
  	  I2C GPIO expanders. The register space will be extended by powers

  	  of two, so the controller will need to accommodate for that. For

  	  example: if a controller provides 48 pins, 6 registers will be
  	  enough to represent all pins, but the driver will assume a
  	  register layout for 64 pins (8 registers).

  comment "PCI GPIO expanders:"

  config GPIO_CS5535
  	tristate "AMD CS5535/CS5536 GPIO support"

  	depends on PCI && X86 && MFD_CS5535

  	help
  	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
  	  can be used for quite a number of things.  The CS5535/6 is found on
  	  AMD Geode and Lemote Yeeloong devices.
  
  	  If unsure, say N.

  config GPIO_BT8XX
  	tristate "BT8XX GPIO abuser"
  	depends on PCI && VIDEO_BT848=n
  	help
  	  The BT8xx frame grabber chip has 24 GPIO pins than can be abused
  	  as a cheap PCI GPIO card.
  
  	  This chip can be found on Miro, Hauppauge and STB TV-cards.
  
  	  The card needs to be physically altered for using it as a
  	  GPIO card. For more information on how to build a GPIO card
  	  from a BT8xx TV card, see the documentation file at
  	  Documentation/bt8xxgpio.txt
  
  	  If unsure, say N.

  config GPIO_AMD8111
  	tristate "AMD 8111 GPIO driver"
  	depends on PCI
  	help
  	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
  
  	  Note, that usually system firmware/ACPI handles GPIO pins on their
  	  own and users might easily break their systems with uncarefull usage
  	  of this driver!
  
  	  If unsure, say N

  config GPIO_LANGWELL

  	bool "Intel Langwell/Penwell GPIO support"

  	depends on PCI && X86

  	select IRQ_DOMAIN

  	help

  	  Say Y here to support Intel Langwell/Penwell GPIO.

  config GPIO_PCH

  	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"

  	depends on PCI && X86

  	select GENERIC_IRQ_CHIP

  	help
  	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
  	  which is an IOH(Input/Output Hub) for x86 embedded processor.
  	  This driver can access PCH GPIO device.

  	  This driver also can be used for LAPIS Semiconductor IOH(Input/
  	  Output Hub), ML7223 and ML7831.

  	  ML7223 IOH is for MP(Media Phone) use.

  	  ML7831 IOH is for general purpose use.
  	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
  	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.

  config GPIO_ML_IOH
  	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
  	depends on PCI

  	select GENERIC_IRQ_CHIP

  	help
  	  ML7213 is companion chip for Intel Atom E6xx series.
  	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
  	  Hub) which is for IVI(In-Vehicle Infotainment) use.
  	  This driver can access the IOH's GPIO device.

  config GPIO_SODAVILLE
  	bool "Intel Sodaville GPIO support"

  	depends on X86 && PCI && OF

  	select GPIO_GENERIC
  	select GENERIC_IRQ_CHIP
  	help
  	  Say Y here to support Intel Sodaville GPIO.

  config GPIO_TIMBERDALE
  	bool "Support for timberdale GPIO IP"

  	depends on MFD_TIMBERDALE && HAS_IOMEM

  	---help---
  	Add support for the GPIO IP in the timberdale FPGA.

  config GPIO_RDC321X
  	tristate "RDC R-321x GPIO support"

  	depends on PCI && GENERIC_HARDIRQS

  	select MFD_CORE

  	select MFD_RDC321X
  	help
  	  Support for the RDC R321x SoC GPIOs over southbridge
  	  PCI configuration space.

  comment "SPI GPIO expanders:"

  config GPIO_MAX7301
  	tristate "Maxim MAX7301 GPIO expander"
  	depends on SPI_MASTER

  	select GPIO_MAX730X

  	help

  	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.

  config GPIO_MCP23S08

  	tristate "Microchip MCP23xxx I/O expander"

  	depends on (SPI_MASTER && !I2C) || I2C

  	help

  	  SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
  	  I/O expanders.

  	  This provides a GPIO interface supporting inputs and outputs.

  config GPIO_MC33880
  	tristate "Freescale MC33880 high-side/low-side switch"
  	depends on SPI_MASTER
  	help
  	  SPI driver for Freescale MC33880 high-side/low-side switch.
  	  This provides GPIO interface supporting inputs and outputs.

  config GPIO_74X164
  	tristate "74x164 serial-in/parallel-out 8-bits shift register"
  	depends on SPI_MASTER
  	help
  	  Platform driver for 74x164 compatible serial-in/parallel-out
  	  8-outputs shift registers. This driver can be used to provide access
  	  to more gpio outputs.

  comment "AC97 GPIO expanders:"
  
  config GPIO_UCB1400
  	bool "Philips UCB1400 GPIO"
  	depends on UCB1400_CORE
  	help
  	  This enables support for the Philips UCB1400 GPIO pins.
  	  The UCB1400 is an AC97 audio codec.

  comment "MODULbus GPIO expanders:"
  
  config GPIO_JANZ_TTL
  	tristate "Janz VMOD-TTL Digital IO Module"
  	depends on MFD_JANZ_CMODIO
  	help
  	  This enables support for the Janz VMOD-TTL Digital IO module.
  	  This driver provides support for driving the pins in output
  	  mode only. Input mode is not supported.

  config GPIO_PALMAS
  	bool "TI PALMAS series PMICs GPIO"
  	depends on MFD_PALMAS
  	help
  	  Select this option to enable GPIO driver for the TI PALMAS
  	  series chip family.

  config GPIO_TPS6586X
  	bool "TPS6586X GPIO"
  	depends on MFD_TPS6586X
  	help
  	  Select this option to enable GPIO driver for the TPS6586X
  	  chip family.

  config GPIO_TPS65910
  	bool "TPS65910 GPIO"
  	depends on MFD_TPS65910
  	help
  	  Select this option to enable GPIO driver for the TPS65910
  	  chip family.

  
  config GPIO_MSIC
  	bool "Intel MSIC mixed signal gpio support"
  	depends on MFD_INTEL_MSIC
  	help
  	  Enable support for GPIO on intel MSIC controllers found in
  	  intel MID devices

  comment "USB GPIO expanders:"
  
  config GPIO_VIPERBOARD
  	tristate "Viperboard GPIO a & b support"
  	depends on MFD_VIPERBOARD && USB
  	help
  	  Say yes here to access the GPIO signals of Nano River
  	  Technologies Viperboard. There are two GPIO chips on the
  	  board: gpioa and gpiob.
            See viperboard API specification and Nano
            River Tech's viperboard.h for detailed meaning
            of the module parameters.

  endif