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Edit File: Kconfig
# SPDX-License-Identifier: GPL-2.0-only # # 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" 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 GPIOLIB_FASTPATH_LIMIT int "Maximum number of GPIOs for fast path" range 32 512 default 512 help This adjusts the point at which certain APIs will switch from using a stack allocated buffer to a dynamically allocated buffer. You shouldn't need to change this unless you really need to optimize either stack space or performance. Change this carefully since setting an incorrect value could cause stack corruption. 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)" if EXPERT depends on SYSFS select GPIO_CDEV # We need to encourage the new ABI help Say Y here to add the legacy sysfs interface for GPIOs. This ABI is deprecated. If you want to use GPIO from userspace, use the character device /dev/gpiochipN with the appropriate ioctl() operations instead. config GPIO_CDEV bool prompt "Character device (/dev/gpiochipN) support" if EXPERT default y help Say Y here to add the character device /dev/gpiochipN interface for GPIOs. The character device allows userspace to control GPIOs using ioctl() operations. Only say N if you are sure that the GPIO character device is not required. If unsure, say Y. config GPIO_CDEV_V1 bool "Support GPIO ABI Version 1" default y depends on GPIO_CDEV help Say Y here to support version 1 of the GPIO CDEV ABI. This ABI version is deprecated. Please use the latest ABI for new developments. If unsure, say Y. config GPIO_GENERIC depends on HAS_IOMEM # Only for IOMEM drivers tristate config GPIO_REGMAP select REGMAP 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_ASPEED_SGPIO bool "Aspeed SGPIO support" depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help Say Y here to support Aspeed AST2500 SGPIO functionality. 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_RASPBERRYPI_EXP tristate "Raspberry Pi 3 GPIO Expander" default RASPBERRYPI_FIRMWARE depends on OF_GPIO # Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only # happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE. depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) help Turn on GPIO support for the expander on Raspberry Pi 3 boards, using the firmware mailbox to communicate with VideoCore on BCM283x chips. 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_BCM_XGS_IPROC tristate "BRCM XGS iProc GPIO support" depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) select GPIO_GENERIC select GPIOLIB_IRQCHIP default ARCH_BCM_IPROC help Say yes here to enable GPIO support for Broadcom XGS iProc SoCs. 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 IRQ_DOMAIN help Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. config GPIO_CADENCE tristate "Cadence GPIO support" depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help Say yes here to enable support for Cadence GPIO controller. 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 || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) 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 GPIOLIB_IRQCHIP help Say Y or M here to build support for the Synopsys DesignWare APB GPIO block. config GPIO_EIC_SPRD tristate "Spreadtrum EIC support" depends on ARCH_SPRD || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP help Say yes here to support Spreadtrum EIC device. config GPIO_EM tristate "Emma Mobile GPIO" depends on (ARCH_EMEV2 || COMPILE_TEST) && 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 select GPIOLIB_IRQCHIP config GPIO_EXAR tristate "Support for GPIO pins on XR17V352/354/358" depends on SERIAL_8250_EXAR select REGMAP_MMIO help Selecting this option will enable handling of GPIO pins present on Exar XR17V352/354/358 chips. 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_FTGPIO010 bool "Faraday FTGPIO010 GPIO" depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP default (ARCH_GEMINI || ARCH_MOXART) help Support for common GPIOs from the Faraday FTGPIO010 IP core, found in Cortina systems Gemini platforms, Moxa ART and others. 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_HISI tristate "HiSilicon GPIO controller driver" depends on (ARM64 && ACPI) || COMPILE_TEST select GPIO_GENERIC select GPIOLIB_IRQCHIP help Say Y or M here to build support for the HiSilicon GPIO controller driver GPIO block. This GPIO controller support double-edge interrupt and multi-core concurrent access. config GPIO_HLWD tristate "Nintendo Wii (Hollywood) GPIO" depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help Select this to support the GPIO controller of the Nintendo Wii. If unsure, say N. config GPIO_ICH tristate "Intel ICH GPIO" depends on X86 depends on 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 || 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_IXP4XX bool "Intel IXP4xx GPIO" depends on ARM # For <asm/mach-types.h> depends on ARCH_IXP4XX select GPIO_GENERIC select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY help Say yes here to support the GPIO functionality of a number of Intel IXP4xx series of chips. If unsure, say N. config GPIO_LJCA tristate "INTEL La Jolla Cove Adapter GPIO support" depends on MFD_LJCA help Select this option to enable GPIO driver for the INTEL La Jolla Cove Adapter (LJCA) board. This driver can also be built as a module. If so, the module will be called gpio-ljca. config GPIO_LOGICVC tristate "Xylon LogiCVC GPIO support" depends on MFD_SYSCON && OF help Say yes here to support GPIO functionality of the Xylon LogiCVC programmable logic block. config GPIO_LOONGSON bool "Loongson-2/3 GPIO support" depends on CPU_LOONGSON2EF || CPU_LOONGSON64 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) select IRQ_DOMAIN_HIERARCHY help Select this option to enable GPIO driver for NXP LPC18XX/43XX devices. config GPIO_LPC32XX tristate "NXP LPC32XX GPIO support" depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST) help Select this option to enable GPIO driver for NXP LPC32XX devices. config GPIO_MB86S7X tristate "GPIO support for Fujitsu MB86S7x Platforms" 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_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_MT7621 bool "Mediatek MT7621 GPIO Support" depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help Say yes here to support the Mediatek MT7621 SoC GPIO device config GPIO_MVEBU def_bool y depends on PLAT_ORION || ARCH_MVEBU depends on OF_GPIO select GENERIC_IRQ_CHIP select REGMAP_MMIO config GPIO_MXC tristate "i.MX GPIO support" depends on ARCH_MXC || COMPILE_TEST select GPIO_GENERIC select GENERIC_IRQ_CHIP config GPIO_MXS bool "Freescale MXS GPIO support" if COMPILE_TEST depends on ARCH_MXS || COMPILE_TEST default y if ARCH_MXS select GPIO_GENERIC select GENERIC_IRQ_CHIP config GPIO_OCTEON tristate "Cavium OCTEON GPIO" depends on 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 tristate "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_PMIC_EIC_SPRD tristate "Spreadtrum PMIC EIC support" depends on MFD_SC27XX_PMIC || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP help Say yes here to support Spreadtrum PMIC EIC device. config GPIO_PXA bool "PXA GPIO support" depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST help Say yes here to support the PXA GPIO device config GPIO_RCAR tristate "Renesas R-Car and RZ/G GPIO support" depends on ARCH_RENESAS || COMPILE_TEST select GPIOLIB_IRQCHIP help Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs. config GPIO_RDA bool "RDA Micro GPIO controller support" depends on ARCH_RDA || COMPILE_TEST depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help Say Y here to support RDA Micro GPIO controller. config GPIO_REALTEK_OTTO tristate "Realtek Otto GPIO support" depends on MACH_REALTEK_RTL default MACH_REALTEK_RTL select GPIO_GENERIC select GPIOLIB_IRQCHIP help The GPIO controller on the Otto MIPS platform supports up to two banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs are grouped in four 8-bit wide ports. When built as a module, the module will be called realtek_otto_gpio. config GPIO_REG bool help A 32-bit single register GPIO fixed in/out implementation. This can be used to represent any register as a set of GPIO signals. config GPIO_ROCKCHIP tristate "Rockchip GPIO support" depends on ARCH_ROCKCHIP || COMPILE_TEST select GENERIC_IRQ_CHIP select GPIOLIB_IRQCHIP default ARCH_ROCKCHIP help Say yes here to support GPIO on Rockchip SoCs. config GPIO_SAMA5D2_PIOBU tristate "SAMA5D2 PIOBU GPIO support" depends on MFD_SYSCON depends on OF_GPIO select GPIO_SYSCON help Say yes here to use the PIOBU pins as GPIOs. PIOBU pins on the SAMA5D2 can be used as GPIOs. The difference from regular GPIOs is that they maintain their value during backup/self-refresh. config GPIO_SIFIVE bool "SiFive GPIO support" depends on OF_GPIO select IRQ_DOMAIN_HIERARCHY select GPIO_GENERIC select GPIOLIB_IRQCHIP select REGMAP_MMIO help Say yes here to support the GPIO device on SiFive SoCs. config GPIO_SIOX tristate "SIOX GPIO support" depends on SIOX select GPIOLIB_IRQCHIP help Say yes here to support SIOX I/O devices. These are units connected via a SIOX bus and have a number of fixed-direction I/O lines. config GPIO_SNPS_CREG bool "Synopsys GPIO via CREG (Control REGisters) driver" depends on ARC || COMPILE_TEST depends on OF_GPIO help This driver supports GPIOs via CREG on various Synopsys SoCs. This is a single-register MMIO GPIO driver for complex cases where only several fields in register belong to GPIO lines and each GPIO line owns a field with different length and on/off value. 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_SPRD tristate "Spreadtrum GPIO support" depends on ARCH_SPRD || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP help Say yes here to support Spreadtrum 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 || COMPILE_TEST depends on OF_GPIO 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 GPIO_GENERIC select GENERIC_IRQ_CHIP select OF_GPIO config GPIO_TEGRA tristate "NVIDIA Tegra GPIO support" default ARCH_TEGRA depends on ARCH_TEGRA || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY help Say yes here to support GPIO pins on NVIDIA Tegra SoCs. config GPIO_TEGRA186 tristate "NVIDIA Tegra186 GPIO support" default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY help Say yes here to support GPIO pins on NVIDIA Tegra186 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_THUNDERX tristate "Cavium ThunderX/OCTEON-TX GPIO" depends on ARCH_THUNDER || (64BIT && COMPILE_TEST) depends on PCI_MSI select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY select IRQ_FASTEOI_HIERARCHY_HANDLERS help Say yes here to support the on-chip GPIO lines on the ThunderX and OCTEON-TX families of SoCs. config GPIO_UNIPHIER tristate "UniPhier GPIO support" depends on ARCH_UNIPHIER || COMPILE_TEST depends on OF_GPIO select IRQ_DOMAIN_HIERARCHY help Say yes here to support UniPhier 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_VISCONTI tristate "Toshiba Visconti GPIO support" depends on ARCH_VISCONTI || COMPILE_TEST depends on OF_GPIO select GPIOLIB_IRQCHIP select GPIO_GENERIC select IRQ_DOMAIN_HIERARCHY help Say yes here to support GPIO on Tohisba Visconti. 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 (X86 || COMPILE_TEST) && 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_WCD934X tristate "Qualcomm Technologies Inc WCD9340/WCD9341 gpio controller driver" depends on MFD_WCD934X && OF_GPIO help This driver is to support GPIO block found on the Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec. 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 || COMPILE_TEST) select GPIO_GENERIC select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY 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" select GPIOLIB_IRQCHIP 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_THUNDER2 || 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. The same GPIO controller block is also present in Cavium's ThunderX2 CN99XX SoCs. 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_LOONGSON1 tristate "Loongson1 GPIO support" depends on MACH_LOONGSON32 select GPIO_GENERIC help Say Y or M here to support GPIO on Loongson1 SoCs. config GPIO_AMD_FCH tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)" help This option enables driver for GPIO on AMDs Fusion Controller Hub, as found on G-series SOCs (eg. GX-412TC) Note: This driver doesn't registers itself automatically, as it needs to be provided with platform specific configuration. (See eg. CONFIG_PCENGINES_APU2.) config GPIO_MSC313 bool "MStar MSC313 GPIO support" depends on ARCH_MSTARV7 default ARCH_MSTARV7 select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY help Say Y here to support the main GPIO block on MStar/SigmaStar ARMv7 based SoCs. config GPIO_IDT3243X tristate "IDT 79RC3243X GPIO support" depends on MIKROTIK_RB532 || COMPILE_TEST select GPIO_GENERIC select GPIOLIB_IRQCHIP help Select this option to enable GPIO driver for IDT 79RC3243X based devices like Mikrotik RB532. To compile this driver as a module, choose M here: the module will be called gpio-idt3243x. 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 PC104 select 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 PC104 select 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 PC104 select 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 PC104 select 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, IT8613, IT8620E, and IT8628E Super I/O chips 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 (X86 || COMPILE_TEST) && ACPI depends on LPC_SCH select GPIOLIB_IRQCHIP 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_WINBOND tristate "Winbond Super I/O GPIO support" select ISA_BUS_API help This option enables support for GPIOs found on Winbond Super I/O chips. Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is supported. You will need to provide a module parameter "gpios", or a boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.). To compile this driver as a module, choose M here: the module will be called gpio-winbond. config GPIO_WS16C48 tristate "WinSystems WS16C48 GPIO support" select 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 select GPIOLIB_IRQCHIP 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_GW_PLD tristate "Gateworks PLD GPIO Expander" depends on OF_GPIO help Say yes here to provide access to the Gateworks I2C PLD GPIO Expander. This is used at least on the Cambria GW2358-4. 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_M058SSAN tristate "M085 8-DI 8-DO I2C expander" depends on UBUNTU_ODM_DRIVERS help Say yes here to enable the M058SSAN gpio driver. config GPIO_PCA953X tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" select REGMAP_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, tca9554, 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 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_PCA9570 tristate "PCA9570 4-Bit I2C GPO expander" help Say yes here to enable the GPO driver for the NXP PCA9570 chip. To compile this driver as a module, choose M here: the module will be called gpio-pca9570. 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_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" depends on SOC_IMX6 || COMPILE_TEST 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_ALTERA_A10SR tristate "Altera Arria10 System Resource GPIO" depends on MFD_ALTERA_A10SR help Driver for Arria10 Development Kit GPIO expansion which includes reads of pushbuttons and DIP switches as well as writes to LEDs. config GPIO_ARIZONA tristate "Wolfson Microelectronics Arizona class devices" depends on MFD_ARIZONA help Support for GPIOs on Wolfson Arizona class devices. config GPIO_BD70528 tristate "ROHM BD70528 GPIO support" depends on MFD_ROHM_BD70528 help Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs available on the ROHM PMIC in total. The GPIOs can also generate interrupts. This driver can also be built as a module. If so, the module will be called gpio-bd70528. config GPIO_BD71815 tristate "ROHM BD71815 PMIC GPIO support" depends on MFD_ROHM_BD71828 help Support for GPO(s) on ROHM BD71815 PMIC. There are two GPOs available on the ROHM PMIC. This driver can also be built as a module. If so, the module will be called gpio-bd71815. config GPIO_BD71828 tristate "ROHM BD71828 GPIO support" depends on MFD_ROHM_BD71828 help Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs available on the ROHM PMIC in total. The GPIOs are limited to outputs only and pins must be configured to GPIO outputs by OTP. Enable this only if you want to use these pins as outputs. This driver can also be built as a module. If so, the module will be called gpio-bd71828. config GPIO_BD9571MWV tristate "ROHM BD9571 GPIO support" depends on MFD_BD9571MWV help Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs available on the ROHM PMIC in total, both of which can also generate interrupts. This driver can also be built as a module. If so, the module will be called gpio-bd9571mwv. config GPIO_CRYSTAL_COVE tristate "GPIO support for Crystal Cove PMIC" depends on (X86 || COMPILE_TEST) && 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 X86 || MIPS || COMPILE_TEST 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 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_LP87565 tristate "TI LP87565 GPIO" depends on MFD_TI_LP87565 help This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present on LP87565 PMICs. This driver can also be built as a module. If so, the module will be called gpio-lp87565. config GPIO_MADERA tristate "Cirrus Logic Madera class codecs" depends on PINCTRL_MADERA help Support for GPIOs on Cirrus Logic Madera class codecs. config GPIO_MAX77620 tristate "GPIO support for PMIC MAX77620 and MAX20024" depends on MFD_MAX77620 select GPIOLIB_IRQCHIP 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_MAX77650 tristate "Maxim MAX77650/77651 GPIO support" depends on MFD_MAX77650 help GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor. These chips have a single pin that can be configured as GPIO. 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_SL28CPLD tristate "Kontron sl28cpld GPIO support" depends on MFD_SL28CPLD || COMPILE_TEST select GPIO_REGMAP select GPIOLIB_IRQCHIP select REGMAP_IRQ help This enables support for the GPIOs found on the Kontron sl28 CPLD. This driver can also be built as a module. If so, the module will be called gpio-sl28cpld. 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_TPS68470 bool "TPS68470 GPIO" depends on INTEL_SKL_INT3472 help Select this option to enable GPIO driver for the TPS68470 chip family. There are 7 GPIOs and few sensor related GPIOs supported by the TPS68470. While the 7 GPIOs can be configured as input or output as appropriate, the sensor related GPIOs are "output only" GPIOs. This driver config is bool, as the GPIO functionality of the TPS68470 must be available before dependent drivers are loaded. config GPIO_TQMX86 tristate "TQ-Systems TQMx86 GPIO" depends on MFD_TQMX86 || COMPILE_TEST depends on HAS_IOPORT_MAP select GPIOLIB_IRQCHIP help This driver supports GPIO on the TQMX86 IO controller. 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 (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC 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_AAEON tristate "AAEON GPIO support" depends on ASUS_WMI depends on UBUNTU_ODM_DRIVERS select MFD_AAEON help Say yes here to support GPIO pins on Single Board Computers produced by AAEON. This driver leverages the ASUS WMI interface to access device resources. config GPIO_AMD8111 tristate "AMD 8111 GPIO driver" depends on X86 || COMPILE_TEST depends on HAS_IOPORT_MAP 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/driver-api/gpio/bt8xxgpio.rst If unsure, say N. 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_MLXBF tristate "Mellanox BlueField SoC GPIO" depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) select GPIO_GENERIC help Say Y here if you want GPIO support on Mellanox BlueField SoC. config GPIO_MLXBF2 tristate "Mellanox BlueField 2 SoC GPIO" depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) select GPIO_GENERIC help Say Y here if you want GPIO support on Mellanox BlueField 2 SoC. config GPIO_ML_IOH tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" depends on X86 || COMPILE_TEST 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_PCI_IDIO_16 tristate "ACCES PCI-IDIO-16 GPIO support" select GPIOLIB_IRQCHIP help Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is generated when any of the inputs change state (low to high or high to low). Input filter control is not supported by this driver, and the input filters are deactivated by this driver. config GPIO_PCIE_IDIO_24 tristate "ACCES PCIe-IDIO-24 GPIO support" select GPIOLIB_IRQCHIP help Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24, PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated when any of the inputs change state (low to high or high to low). Input filter control is not supported by this driver, and the input filters are deactivated by this driver. 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_MAX3191X tristate "Maxim MAX3191x industrial serializer" select CRC8 help GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913, MAX31953 and MAX31963 industrial serializer, a daisy-chainable chip to make 8 digital 24V inputs available via SPI. Supports CRC checksums to guard against electromagnetic interference, as well as undervoltage and overtemperature detection. 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. config GPIO_XRA1403 tristate "EXAR XRA1403 16-bit GPIO expander" select REGMAP_SPI help GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander. config GPIO_MOXTET tristate "Turris Mox Moxtet bus GPIO expander" depends on MOXTET help Say yes here if you are building for the Turris Mox router. This is the driver needed for configuring the GPIOs via the Moxtet bus. For example the Mox module with SFP cage needs this driver so that phylink can use corresponding GPIOs. 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 menu "Virtual GPIO drivers" config GPIO_AGGREGATOR tristate "GPIO Aggregator" help Say yes here to enable the GPIO Aggregator, which provides a way to aggregate existing GPIO lines into a new virtual GPIO chip. This can serve the following purposes: - Assign permissions for a collection of GPIO lines to a user, - Export a collection of GPIO lines to a virtual machine, - Provide a generic driver for a GPIO-operated device in an industrial control context, to be operated from userspace using the GPIO chardev interface. config GPIO_MOCKUP tristate "GPIO Testing Driver" select IRQ_SIM help This enables GPIO Testing driver, which provides a way to test GPIO subsystem through sysfs (or char device) and debugfs. User could use it through the script in tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in it. config GPIO_VIRTIO tristate "VirtIO GPIO support" depends on VIRTIO help Say Y here to enable guest support for virtio-based GPIO controllers. These virtual GPIOs can be routed to real GPIOs or attached to simulators on the host (like QEMU). endmenu endif
Simpan