| # | 
 | # 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. | 
 |  | 
 | menuconfig GPIOLIB | 
 | 	bool "GPIO Support" | 
 | 	select ANON_INODES | 
 | 	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 GPIO_DEVRES | 
 | 	def_bool y | 
 | 	depends on HAS_IOMEM | 
 |  | 
 | config OF_GPIO | 
 | 	def_bool y | 
 | 	depends on OF | 
 | 	depends on HAS_IOMEM | 
 |  | 
 | config GPIO_ACPI | 
 | 	def_bool y | 
 | 	depends on ACPI | 
 |  | 
 | config GPIOLIB_IRQCHIP | 
 | 	select IRQ_DOMAIN | 
 | 	bool | 
 |  | 
 | 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 | 
 | 	depends on HAS_IOMEM # Only for IOMEM drivers | 
 | 	tristate | 
 |  | 
 | # put drivers in the right section, in alphabetical order | 
 |  | 
 | # This symbol is selected by both I2C and SPI expanders | 
 | config GPIO_MAX730X | 
 | 	tristate | 
 |  | 
 | menu "Memory mapped GPIO drivers" | 
 | 	depends on HAS_IOMEM | 
 |  | 
 | config GPIO_74XX_MMIO | 
 | 	tristate "GPIO driver for 74xx-ICs with MMIO access" | 
 | 	depends on OF_GPIO | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  Say yes here to support GPIO functionality for 74xx-compatible ICs | 
 | 	  with MMIO access. Compatible models include: | 
 | 	    1 bit:	741G125 (Input), 741G74 (Output) | 
 | 	    2 bits:	742G125 (Input), 7474 (Output) | 
 | 	    4 bits:	74125 (Input), 74175 (Output) | 
 | 	    6 bits:	74365 (Input), 74174 (Output) | 
 | 	    8 bits:	74244 (Input), 74273 (Output) | 
 | 	    16 bits:	741624 (Input), 7416374 (Output) | 
 |  | 
 | config GPIO_ALTERA | 
 | 	tristate "Altera GPIO" | 
 | 	depends on OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say Y or M here to build support for the Altera PIO device. | 
 |  | 
 | 	  If driver is built as a module it will be called gpio-altera. | 
 |  | 
 | config GPIO_AMDPT | 
 | 	tristate "AMD Promontory GPIO support" | 
 | 	depends on ACPI | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  driver for GPIO functionality on Promontory IOHub | 
 | 	  Require ACPI ASL code to enumerate as a platform device. | 
 |  | 
 | config GPIO_ASPEED | 
 | 	tristate "Aspeed GPIO support" | 
 | 	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers. | 
 |  | 
 | config GPIO_ATH79 | 
 | 	tristate "Atheros AR71XX/AR724X/AR913X GPIO support" | 
 | 	default y if ATH79 | 
 | 	depends on ATH79 || COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Select this option to enable GPIO driver for | 
 | 	  Atheros AR71XX/AR724X/AR913X SoC devices. | 
 |  | 
 | config GPIO_AXP209 | 
 | 	tristate "X-Powers AXP209 PMIC GPIO Support" | 
 | 	depends on MFD_AXP20X | 
 | 	help | 
 | 	  Say yes to enable GPIO support for the AXP209 PMIC | 
 |  | 
 | config GPIO_BCM_KONA | 
 | 	bool "Broadcom Kona GPIO" | 
 | 	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST) | 
 | 	help | 
 | 	  Turn on GPIO support for Broadcom "Kona" chips. | 
 |  | 
 | config GPIO_BRCMSTB | 
 | 	tristate "BRCMSTB GPIO support" | 
 | 	default y if (ARCH_BRCMSTB || BMIPS_GENERIC) | 
 | 	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) | 
 | 	select GPIO_GENERIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. | 
 |  | 
 | config GPIO_CLPS711X | 
 | 	tristate "CLPS711X GPIO support" | 
 | 	depends on ARCH_CLPS711X || COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  Say yes here to support GPIO on CLPS711X SoCs. | 
 |  | 
 | config GPIO_DAVINCI | 
 | 	bool "TI Davinci/Keystone GPIO support" | 
 | 	default y if ARCH_DAVINCI | 
 | 	depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE) | 
 | 	help | 
 | 	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. | 
 |  | 
 | config GPIO_DWAPB | 
 | 	tristate "Synopsys DesignWare APB GPIO driver" | 
 | 	select GPIO_GENERIC | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	help | 
 | 	  Say Y or M here to build support for the Synopsys DesignWare APB | 
 | 	  GPIO block. | 
 |  | 
 | config GPIO_EM | 
 | 	tristate "Emma Mobile GPIO" | 
 | 	depends on ARM && OF_GPIO | 
 | 	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_ETRAXFS | 
 | 	bool "Axis ETRAX FS General I/O" | 
 | 	depends on CRIS || COMPILE_TEST | 
 | 	depends on OF_GPIO | 
 | 	select GPIO_GENERIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to support the GPIO controller on Axis ETRAX FS SoCs. | 
 |  | 
 | config GPIO_GE_FPGA | 
 | 	bool "GE FPGA based GPIO" | 
 | 	depends on GE_FPGA | 
 | 	select GPIO_GENERIC | 
 | 	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_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_GRGPIO | 
 | 	tristate "Aeroflex Gaisler GRGPIO support" | 
 | 	depends on OF_GPIO | 
 | 	select GPIO_GENERIC | 
 | 	select IRQ_DOMAIN | 
 | 	help | 
 | 	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB | 
 | 	  VHDL IP core library. | 
 |  | 
 | 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_IOP | 
 | 	tristate "Intel IOP GPIO" | 
 | 	depends on ARCH_IOP32X || ARCH_IOP33X || COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  Say yes here to support the GPIO functionality of a number of Intel | 
 | 	  IOP32X or IOP33X. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config GPIO_LOONGSON | 
 | 	bool "Loongson-2/3 GPIO support" | 
 | 	depends on CPU_LOONGSON2 || CPU_LOONGSON3 | 
 | 	help | 
 | 	  driver for GPIO functionality on Loongson-2F/3A/3B processors. | 
 |  | 
 | config GPIO_LPC18XX | 
 | 	tristate "NXP LPC18XX/43XX GPIO support" | 
 | 	default y if ARCH_LPC18XX | 
 | 	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) | 
 | 	help | 
 | 	  Select this option to enable GPIO driver for | 
 | 	  NXP LPC18XX/43XX devices. | 
 |  | 
 | config GPIO_LYNXPOINT | 
 | 	tristate "Intel Lynxpoint GPIO support" | 
 | 	depends on ACPI && X86 | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  driver for GPIO functionality on Intel Lynxpoint PCH chipset | 
 | 	  Requires ACPI device enumeration code to set up a platform device. | 
 |  | 
 | config GPIO_MB86S7X | 
 | 	bool "GPIO support for Fujitsu MB86S7x Platforms" | 
 | 	depends on ARCH_MB86S7X || COMPILE_TEST | 
 | 	help | 
 | 	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. | 
 |  | 
 | config GPIO_MENZ127 | 
 | 	tristate "MEN 16Z127 GPIO support" | 
 | 	depends on MCB | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	 Say yes here to support the MEN 16Z127 GPIO Controller | 
 |  | 
 | 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_MOCKUP | 
 | 	tristate "GPIO Testing Driver" | 
 | 	depends on GPIOLIB | 
 | 	select GPIO_SYSFS | 
 | 	help | 
 | 	  This enables GPIO Testing driver, which provides a way to test GPIO | 
 | 	  subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS | 
 | 	  must be selected for this test. | 
 | 	  User could use it through the script in | 
 | 	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in | 
 | 	  it. | 
 |  | 
 | config GPIO_MOXART | 
 | 	bool "MOXART GPIO support" | 
 | 	depends on ARCH_MOXART || COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  Select this option to enable GPIO driver for | 
 | 	  MOXA ART SoC devices. | 
 |  | 
 | config GPIO_MPC5200 | 
 | 	def_bool y | 
 | 	depends on PPC_MPC52xx | 
 |  | 
 | config GPIO_MPC8XXX | 
 | 	bool "MPC512x/MPC8xxx/QorIQ GPIO support" | 
 | 	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ | 
 | 		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ | 
 | 		   COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	select IRQ_DOMAIN | 
 | 	help | 
 | 	  Say Y here if you're going to use hardware that connects to the | 
 | 	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. | 
 |  | 
 | config GPIO_MVEBU | 
 | 	def_bool y | 
 | 	depends on PLAT_ORION | 
 | 	depends on OF_GPIO | 
 | 	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_OCTEON | 
 | 	tristate "Cavium OCTEON GPIO" | 
 | 	depends on GPIOLIB && CAVIUM_OCTEON_SOC | 
 | 	default y | 
 | 	help | 
 | 	  Say yes here to support the on-chip GPIO lines on the OCTEON | 
 | 	  family of SOCs. | 
 |  | 
 | config GPIO_OMAP | 
 | 	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST | 
 | 	default y if ARCH_OMAP | 
 | 	depends on ARM | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to enable GPIO support for TI OMAP SoCs. | 
 |  | 
 | config GPIO_PL061 | 
 | 	bool "PrimeCell PL061 GPIO support" | 
 | 	depends on ARM_AMBA | 
 | 	select IRQ_DOMAIN | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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 ARCH_RENESAS || COMPILE_TEST | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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_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_SYSCON | 
 | 	tristate "GPIO based on SYSCON" | 
 | 	depends on MFD_SYSCON && OF | 
 | 	help | 
 | 	  Say yes here to support GPIO functionality though SYSCON driver. | 
 |  | 
 | config GPIO_TB10X | 
 | 	bool | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	select OF_GPIO | 
 |  | 
 | config GPIO_TEGRA | 
 | 	bool "NVIDIA Tegra GPIO support" | 
 | 	default ARCH_TEGRA | 
 | 	depends on ARCH_TEGRA || COMPILE_TEST | 
 | 	depends on OF_GPIO | 
 | 	help | 
 | 	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs. | 
 |  | 
 | config GPIO_TS4800 | 
 | 	tristate "TS-4800 DIO blocks and compatibles" | 
 | 	depends on OF_GPIO | 
 | 	depends on SOC_IMX51 || COMPILE_TEST | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  This driver support TS-4800 FPGA GPIO controllers. | 
 |  | 
 | config GPIO_TZ1090 | 
 | 	bool "Toumaz Xenif TZ1090 GPIO support" | 
 | 	depends on SOC_TZ1090 | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	default y | 
 | 	help | 
 | 	  Say yes here to support Toumaz Xenif TZ1090 GPIOs. | 
 |  | 
 | config GPIO_TZ1090_PDC | 
 | 	bool "Toumaz Xenif TZ1090 PDC GPIO support" | 
 | 	depends on SOC_TZ1090 | 
 | 	default y | 
 | 	help | 
 | 	  Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs. | 
 |  | 
 | config GPIO_VF610 | 
 | 	def_bool y | 
 | 	depends on ARCH_MXC && SOC_VF610 | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to support Vybrid vf610 GPIOs. | 
 |  | 
 | 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_VX855 | 
 | 	tristate "VIA VX855/VX875 GPIO" | 
 | 	depends on PCI | 
 | 	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_XGENE | 
 | 	bool "APM X-Gene GPIO controller support" | 
 | 	depends on ARM64 && OF_GPIO | 
 | 	help | 
 | 	  This driver is to support the GPIO block within the APM X-Gene SoC | 
 | 	  platform's generic flash controller. The GPIO pins are muxed with | 
 | 	  the generic flash controller's address and data pins. Say yes | 
 | 	  here to enable the GFC GPIO functionality. | 
 |  | 
 | config GPIO_XGENE_SB | 
 | 	tristate "APM X-Gene GPIO standby controller support" | 
 | 	depends on ARCH_XGENE && OF_GPIO | 
 | 	select GPIO_GENERIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  This driver supports the GPIO block within the APM X-Gene | 
 | 	  Standby Domain. Say yes here to enable the GPIO functionality. | 
 |  | 
 | config GPIO_XILINX | 
 | 	tristate "Xilinx GPIO support" | 
 | 	depends on OF_GPIO | 
 | 	help | 
 | 	  Say yes here to support the Xilinx FPGA GPIO device | 
 |  | 
 | config GPIO_XLP | 
 | 	tristate "Netlogic XLP GPIO support" | 
 | 	depends on OF_GPIO && (CPU_XLP || ARCH_VULCAN || COMPILE_TEST) | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  This driver provides support for GPIO interface on Netlogic XLP MIPS64 | 
 | 	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX, | 
 | 	  XLP9XX and XLP5XX. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config GPIO_XTENSA | 
 | 	bool "Xtensa GPIO32 support" | 
 | 	depends on XTENSA | 
 | 	depends on HAVE_XTENSA_GPIO32 | 
 | 	depends on !SMP | 
 | 	help | 
 | 	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input) | 
 | 	  and EXPSTATE (output) ports | 
 |  | 
 | config GPIO_ZEVIO | 
 | 	bool "LSI ZEVIO SoC memory mapped GPIOs" | 
 | 	depends on ARM && OF_GPIO | 
 | 	help | 
 | 	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs. | 
 |  | 
 | config GPIO_ZYNQ | 
 | 	tristate "Xilinx Zynq GPIO support" | 
 | 	depends on ARCH_ZYNQ || ARCH_ZYNQMP | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to support Xilinx Zynq GPIO controller. | 
 |  | 
 | config GPIO_ZX | 
 | 	bool "ZTE ZX GPIO support" | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say yes here to support the GPIO device on ZTE ZX SoCs. | 
 |  | 
 | config GPIO_LOONGSON1 | 
 | 	tristate "Loongson1 GPIO support" | 
 | 	depends on MACH_LOONGSON32 | 
 | 	select GPIO_GENERIC | 
 | 	help | 
 | 	  Say Y or M here to support GPIO on Loongson1 SoCs. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "Port-mapped I/O GPIO drivers" | 
 | 	depends on X86 # Unconditional I/O space access | 
 |  | 
 | config GPIO_104_DIO_48E | 
 | 	tristate "ACCES 104-DIO-48E GPIO support" | 
 | 	depends on ISA_BUS_API | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E, | 
 | 	  104-DIO-24E). The base port addresses for the devices may be | 
 | 	  configured via the base module parameter. The interrupt line numbers | 
 | 	  for the devices may be configured via the irq module parameter. | 
 |  | 
 | config GPIO_104_IDIO_16 | 
 | 	tristate "ACCES 104-IDIO-16 GPIO support" | 
 | 	depends on ISA_BUS_API | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16, | 
 | 	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The | 
 | 	  base port addresses for the devices may be configured via the base | 
 | 	  module parameter. The interrupt line numbers for the devices may be | 
 | 	  configured via the irq module parameter. | 
 |  | 
 | config GPIO_104_IDI_48 | 
 | 	tristate "ACCES 104-IDI-48 GPIO support" | 
 | 	depends on ISA_BUS_API | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A, | 
 | 	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for | 
 | 	  the devices may be configured via the base module parameter. The | 
 | 	  interrupt line numbers for the devices may be configured via the irq | 
 | 	  module parameter. | 
 |  | 
 | config GPIO_F7188X | 
 | 	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support" | 
 | 	help | 
 | 	  This option enables support for GPIOs found on Fintek Super-I/O | 
 | 	  chips F71869, F71869A, F71882FG, F71889F and F81866. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module will | 
 | 	  be called f7188x-gpio. | 
 |  | 
 | config GPIO_GPIO_MM | 
 | 	tristate "Diamond Systems GPIO-MM GPIO support" | 
 | 	depends on ISA_BUS_API | 
 | 	help | 
 | 	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12. | 
 |  | 
 | 	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O | 
 | 	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO | 
 | 	  support for these 48 channels of digital I/O. | 
 |  | 
 | 	  The base port addresses for the devices may be configured via the base | 
 | 	  array module parameter. | 
 |  | 
 | config GPIO_IT87 | 
 | 	tristate "IT87xx GPIO support" | 
 | 	help | 
 | 	  Say yes here to support GPIO functionality of IT87xx Super I/O chips. | 
 |  | 
 | 	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and | 
 | 	  supports the IT8761E, IT8620E and IT8628E Super I/O chip as well. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module will | 
 | 	  be called gpio_it87 | 
 |  | 
 | config GPIO_SCH | 
 | 	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO" | 
 | 	depends on PCI | 
 | 	select MFD_CORE | 
 | 	select LPC_SCH | 
 | 	help | 
 | 	  Say yes here to support GPIO interface on Intel Poulsbo SCH, | 
 | 	  Intel Tunnel Creek processor, Intel Centerton processor or | 
 | 	  Intel Quark X1000 SoC. | 
 |  | 
 | 	  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. | 
 |  | 
 | 	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core | 
 | 	  power well and 6 from the suspend power well. | 
 |  | 
 | config GPIO_SCH311X | 
 | 	tristate "SMSC SCH311x SuperI/O GPIO" | 
 | 	help | 
 | 	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and | 
 | 	  SCH3116 "Super I/O" chipsets. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module will | 
 | 	  be called gpio-sch311x. | 
 |  | 
 | config GPIO_TS5500 | 
 | 	tristate "TS-5500 DIO blocks and compatibles" | 
 | 	depends on TS5500 || COMPILE_TEST | 
 | 	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_WS16C48 | 
 | 	tristate "WinSystems WS16C48 GPIO support" | 
 | 	depends on ISA_BUS_API | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Enables GPIO support for the WinSystems WS16C48. The base port | 
 | 	  addresses for the devices may be configured via the base module | 
 | 	  parameter. The interrupt line numbers for the devices may be | 
 | 	  configured via the irq module parameter. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "I2C GPIO expanders" | 
 | 	depends on I2C | 
 |  | 
 | config GPIO_ADP5588 | 
 | 	tristate "ADP5588 I2C GPIO expander" | 
 | 	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 OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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). | 
 |  | 
 | config GPIO_MAX7300 | 
 | 	tristate "Maxim MAX7300 GPIO expander" | 
 | 	select GPIO_MAX730X | 
 | 	help | 
 | 	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander. | 
 |  | 
 | config GPIO_MAX732X | 
 | 	tristate "MAX7319, MAX7320-7327 I2C Port Expanders" | 
 | 	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 | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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 "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" | 
 | 	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, xra1202 | 
 |  | 
 | 	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575, | 
 | 			tca6416 | 
 |  | 
 | 	  24 bits:	tca6424 | 
 |  | 
 | 	  40 bits:	pca9505, pca9698 | 
 |  | 
 | config GPIO_PCA953X_IRQ | 
 | 	bool "Interrupt controller support for PCA953x" | 
 | 	depends on GPIO_PCA953X=y | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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" | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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_SX150X | 
 | 	bool "Semtech SX150x I2C GPIO expander" | 
 | 	depends on I2C=y | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	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_TPIC2810 | 
 | 	tristate "TPIC2810 8-Bit I2C GPO expander" | 
 | 	help | 
 | 	  Say yes here to enable the GPO driver for the TI TPIC2810 chip. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module will | 
 | 	  be called gpio-tpic2810. | 
 |  | 
 | config GPIO_TS4900 | 
 | 	tristate "Technologic Systems FPGA I2C GPIO" | 
 | 	select REGMAP_I2C | 
 | 	help | 
 | 	  Say yes here to enabled the GPIO driver for Technologic's FPGA core. | 
 | 	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "MFD GPIO expanders" | 
 |  | 
 | 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_ARIZONA | 
 | 	tristate "Wolfson Microelectronics Arizona class devices" | 
 | 	depends on MFD_ARIZONA | 
 | 	help | 
 | 	  Support for GPIOs on Wolfson Arizona class devices. | 
 |  | 
 | config GPIO_CRYSTAL_COVE | 
 | 	tristate "GPIO support for Crystal Cove PMIC" | 
 | 	depends on INTEL_SOC_PMIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Support for GPIO pins on Crystal Cove PMIC. | 
 |  | 
 | 	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC | 
 | 	  inside. | 
 |  | 
 | 	  This driver can also be built as a module. If so, the module will be | 
 | 	  called gpio-crystalcove. | 
 |  | 
 | config GPIO_CS5535 | 
 | 	tristate "AMD CS5535/CS5536 GPIO support" | 
 | 	depends on 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_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_DLN2 | 
 | 	tristate "Diolan DLN2 GPIO support" | 
 | 	depends on MFD_DLN2 | 
 | 	select GPIOLIB_IRQCHIP | 
 |  | 
 | 	help | 
 | 	  Select this option to enable GPIO driver for the Diolan DLN2 | 
 | 	  board. | 
 |  | 
 | 	  This driver can also be built as a module. If so, the module | 
 | 	  will be called gpio-dln2. | 
 |  | 
 | config HTC_EGPIO | 
 | 	bool "HTC EGPIO support" | 
 | 	depends on GPIOLIB && ARM | 
 | 	help | 
 | 	    This driver supports the CPLD egpio chip present on | 
 | 	    several HTC phones.  It provides basic support for input | 
 | 	    pins, output pins, and irqs. | 
 |  | 
 | 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_KEMPLD | 
 | 	tristate "Kontron ETX / COMexpress GPIO" | 
 | 	depends on MFD_KEMPLD | 
 | 	help | 
 | 	  This enables support for the PLD GPIO interface on some Kontron ETX | 
 | 	  and COMexpress (ETXexpress) modules. | 
 |  | 
 | 	  This driver can also be built as a module. If so, the module will be | 
 | 	  called gpio-kempld. | 
 |  | 
 | config GPIO_LP3943 | 
 | 	tristate "TI/National Semiconductor LP3943 GPIO expander" | 
 | 	depends on MFD_LP3943 | 
 | 	help | 
 | 	  GPIO driver for LP3943 MFD. | 
 | 	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs. | 
 | 	  Open drain outputs are required for this usage. | 
 |  | 
 | config GPIO_LP873X | 
 | 	tristate "TI LP873X GPO" | 
 | 	depends on MFD_TI_LP873X | 
 | 	help | 
 | 	  This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present | 
 | 	  on LP873X PMICs. | 
 |  | 
 | 	  This driver can also be built as a module. If so, the module will be | 
 |           called gpio-lp873x. | 
 |  | 
 | config GPIO_MAX77620 | 
 | 	tristate "GPIO support for PMIC MAX77620 and MAX20024" | 
 | 	depends on MFD_MAX77620 | 
 | 	help | 
 | 	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor. | 
 | 	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The | 
 | 	  driver also provides interrupt support for each of the gpios. | 
 | 	  Say yes here to enable the max77620 to be used as gpio controller. | 
 |  | 
 | 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 | 
 |  | 
 | 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_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_STMPE | 
 | 	bool "STMPE GPIOs" | 
 | 	depends on MFD_STMPE | 
 | 	depends on OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  This enables support for the GPIOs found on the STMPE I/O | 
 | 	  Expanders. | 
 |  | 
 | config GPIO_TC3589X | 
 | 	bool "TC3589X GPIOs" | 
 | 	depends on MFD_TC3589X | 
 | 	depends on OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  This enables support for the GPIOs found on the TC3589X | 
 | 	  I/O Expander. | 
 |  | 
 | config GPIO_TIMBERDALE | 
 | 	bool "Support for timberdale GPIO IP" | 
 | 	depends on MFD_TIMBERDALE | 
 | 	---help--- | 
 | 	Add support for the GPIO IP in the timberdale FPGA. | 
 |  | 
 | config GPIO_TPS65086 | 
 | 	tristate "TI TPS65086 GPO" | 
 | 	depends on MFD_TPS65086 | 
 | 	help | 
 | 	  This driver supports the GPO on TI TPS65086x PMICs. | 
 |  | 
 | config GPIO_TPS65218 | 
 | 	tristate "TPS65218 GPIO" | 
 | 	depends on MFD_TPS65218 | 
 | 	help | 
 | 	  Select this option to enable GPIO driver for the TPS65218 | 
 | 	  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_TPS65912 | 
 | 	tristate "TI TPS65912 GPIO" | 
 | 	depends on MFD_TPS65912 | 
 | 	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_UCB1400 | 
 | 	tristate "Philips UCB1400 GPIO" | 
 | 	depends on UCB1400_CORE | 
 | 	help | 
 | 	  This enables support for the Philips UCB1400 GPIO pins. | 
 | 	  The UCB1400 is an AC97 audio codec. | 
 |  | 
 | config GPIO_WHISKEY_COVE | 
 | 	tristate "GPIO support for Whiskey Cove PMIC" | 
 | 	depends on INTEL_SOC_PMIC | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Support for GPIO pins on Whiskey Cove PMIC. | 
 |  | 
 | 	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC | 
 | 	  inside. | 
 |  | 
 | 	  This driver can also be built as a module. If so, the module will be | 
 | 	  called gpio-wcove. | 
 |  | 
 | 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. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "PCI GPIO expanders" | 
 | 	depends on PCI | 
 |  | 
 | config GPIO_AMD8111 | 
 | 	tristate "AMD 8111 GPIO driver" | 
 | 	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_BT8XX | 
 | 	tristate "BT8XX GPIO abuser" | 
 | 	depends on VIDEO_BT848=n | 
 | 	help | 
 | 	  The BT8xx frame grabber chip has 24 GPIO pins that 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_INTEL_MID | 
 | 	bool "Intel MID GPIO support" | 
 | 	depends on X86_INTEL_MID | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say Y here to support Intel MID GPIO. | 
 |  | 
 | config GPIO_MERRIFIELD | 
 | 	tristate "Intel Merrifield GPIO support" | 
 | 	depends on X86_INTEL_MID | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  Say Y here to support Intel Merrifield GPIO. | 
 |  | 
 | config GPIO_ML_IOH | 
 | 	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" | 
 | 	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_PCH | 
 | 	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO" | 
 | 	depends on X86_32 || MIPS || COMPILE_TEST | 
 | 	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_RDC321X | 
 | 	tristate "RDC R-321x GPIO support" | 
 | 	select MFD_CORE | 
 | 	select MFD_RDC321X | 
 | 	help | 
 | 	  Support for the RDC R321x SoC GPIOs over southbridge | 
 | 	  PCI configuration space. | 
 |  | 
 | config GPIO_SODAVILLE | 
 | 	bool "Intel Sodaville GPIO support" | 
 | 	depends on X86 && OF | 
 | 	select GPIO_GENERIC | 
 | 	select GENERIC_IRQ_CHIP | 
 | 	help | 
 | 	  Say Y here to support Intel Sodaville GPIO. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "SPI GPIO expanders" | 
 | 	depends on SPI_MASTER | 
 |  | 
 | config GPIO_74X164 | 
 | 	tristate "74x164 serial-in/parallel-out 8-bits shift register" | 
 | 	depends on OF_GPIO | 
 | 	help | 
 | 	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs | 
 | 	  shift registers. This driver can be used to provide access | 
 | 	  to more gpio outputs. | 
 |  | 
 | config GPIO_MAX7301 | 
 | 	tristate "Maxim MAX7301 GPIO expander" | 
 | 	select GPIO_MAX730X | 
 | 	help | 
 | 	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander. | 
 |  | 
 | config GPIO_MC33880 | 
 | 	tristate "Freescale MC33880 high-side/low-side switch" | 
 | 	help | 
 | 	  SPI driver for Freescale MC33880 high-side/low-side switch. | 
 | 	  This provides GPIO interface supporting inputs and outputs. | 
 |  | 
 | config GPIO_PISOSR | 
 | 	tristate "Generic parallel-in/serial-out shift register" | 
 | 	help | 
 | 	  GPIO driver for SPI compatible parallel-in/serial-out shift | 
 | 	  registers. These are input only devices. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "SPI or I2C GPIO expanders" | 
 | 	depends on (SPI_MASTER && !I2C) || I2C | 
 |  | 
 | config GPIO_MCP23S08 | 
 | 	tristate "Microchip MCP23xxx I/O expander" | 
 | 	depends on OF_GPIO | 
 | 	select GPIOLIB_IRQCHIP | 
 | 	help | 
 | 	  SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017 | 
 | 	  I/O expanders. | 
 | 	  This provides a GPIO interface supporting inputs and outputs. | 
 | 	  The I2C versions of the chips can be used as interrupt-controller. | 
 |  | 
 | endmenu | 
 |  | 
 | menu "USB GPIO expanders" | 
 | 	depends on USB | 
 |  | 
 | config GPIO_VIPERBOARD | 
 | 	tristate "Viperboard GPIO a & b support" | 
 | 	depends on MFD_VIPERBOARD | 
 | 	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. | 
 |  | 
 | endmenu | 
 |  | 
 | endif |