| # SPDX-License-Identifier: GPL-2.0-only | |
| # | |
| # GPIO infrastructure and drivers | |
| # | |
| config GPIOLIB_LEGACY | |
| def_bool y | |
| config HAVE_SHARED_GPIOS | |
| bool | |
| 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 GPIO_SHARED | |
| def_bool y | |
| depends on HAVE_SHARED_GPIOS || COMPILE_TEST | |
| select AUXILIARY_BUS | |
| 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_SYSFS_LEGACY | |
| bool "Enable legacy functionalities of the sysfs interface" | |
| depends on GPIO_SYSFS | |
| default y if GPIO_SYSFS | |
| help | |
| Say Y here if you want to enable the legacy, global GPIO | |
| numberspace-based functionalities of the sysfs interface. | |
| config GPIO_CDEV | |
| bool "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" | |
| 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. | |
| config GPIO_KUNIT | |
| tristate "Build GPIO Kunit test cases" | |
| depends on KUNIT | |
| default KUNIT_ALL_TESTS | |
| help | |
| Say Y here to build the module containing Kunit test cases verifying | |
| the functionality of the GPIO subsystem. | |
| config GPIO_GENERIC | |
| depends on HAS_IOMEM # Only for IOMEM drivers | |
| tristate | |
| config GPIO_REGMAP | |
| select REGMAP | |
| tristate | |
| config GPIO_SWNODE_UNDEFINED | |
| bool | |
| help | |
| This adds a special place holder for software nodes to contain an | |
| undefined GPIO reference, this is primarily used by SPI to allow a | |
| list of GPIO chip selects to mark a certain chip select as being | |
| controlled the SPI device's internal chip select mechanism and not | |
| a GPIO. | |
| # put drivers in the right section, in alphabetical order | |
| # This symbol is selected by both I2C and SPI expanders | |
| config GPIO_MAX730X | |
| tristate | |
| config GPIO_IDIO_16 | |
| tristate | |
| select REGMAP_IRQ | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_REGMAP | |
| help | |
| Enables support for the idio-16 library functions. The idio-16 library | |
| provides functions to facilitate communication with devices within the | |
| ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16. | |
| If built as a module its name will be gpio-idio-16. | |
| 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 | |
| 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" | |
| select GPIO_GENERIC | |
| 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. | |
| Requires ACPI ASL code to enumerate as a platform device. | |
| config GPIO_ASPEED | |
| tristate "Aspeed GPIO support" | |
| depends on ARCH_ASPEED || COMPILE_TEST | |
| 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 | |
| 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 | |
| # 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 ARCH_BCM_MOBILE || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Turn on GPIO support for Broadcom "Kona" chips. | |
| config GPIO_BCM_XGS_IPROC | |
| tristate "BRCM XGS iProc GPIO support" | |
| depends on 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_BLZP1600 | |
| tristate "Blaize BLZP1600 GPIO support" | |
| default y if ARCH_BLAIZE | |
| depends on ARCH_BLAIZE || COMPILE_TEST | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say Y or M here to add support for the Blaize BLZP1600 GPIO device. | |
| The controller is based on the Verisilicon Microelectronics GPIO APB v0.2 | |
| IP block. | |
| config GPIO_BRCMSTB | |
| tristate "BRCMSTB GPIO support" | |
| default y if (ARCH_BRCMSTB || BMIPS_GENERIC) | |
| depends on ARCH_BRCMSTB || ARCH_BCM2835 || BMIPS_GENERIC || COMPILE_TEST | |
| depends on OF | |
| select GPIO_GENERIC | |
| select IRQ_DOMAIN | |
| help | |
| Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. | |
| config GPIO_BY_PINCTRL | |
| tristate "GPIO support based on a pure pin control backend" | |
| depends on GPIOLIB | |
| help | |
| Support for generic GPIO handling based on top of pin control. | |
| Traditionally, firmware creates a GPIO interface or a pin | |
| controller interface and we have a driver to support it. But | |
| in SCMI, the pin control interface is generic and we can | |
| create a simple GPIO device based on the pin control interface | |
| without doing anything custom. | |
| This driver is used to access GPIOs over the ARM SCMI protocol. | |
| config GPIO_CADENCE | |
| tristate "Cadence GPIO support" | |
| depends on OF | |
| 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 | |
| tristate "TI Davinci/Keystone GPIO support" | |
| default y if ARCH_DAVINCI | |
| depends on ((ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)) || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| 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 | |
| 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 | |
| help | |
| Say yes here to support GPIO on Renesas Emma Mobile SoCs. | |
| config GPIO_EN7523 | |
| tristate "Airoha GPIO support" | |
| depends on ARCH_AIROHA || COMPILE_TEST | |
| default ARCH_AIROHA | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say Y or M here to support the GPIO controller block on the | |
| Airoha EN7523 SoC. It supports two banks of 32 GPIOs. | |
| config GPIO_EP93XX | |
| def_bool y | |
| depends on ARCH_EP93XX || COMPILE_TEST | |
| 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 || COMPILE_TEST | |
| 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 | |
| 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_GRANITERAPIDS | |
| tristate "Intel Granite Rapids-D vGPIO support" | |
| depends on X86 || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Select this to enable virtual GPIO support on platforms with the | |
| following SoCs: | |
| - Intel Granite Rapids-D | |
| The driver enables basic GPIO functionality and implements interrupt | |
| support. The virtual GPIO driver controls GPIO lines via a firmware | |
| interface. The physical GPIO pins reside on device that is external | |
| from the main SoC package, such as a BMC or a CPLD. | |
| To compile this driver as a module, choose M here: the module will | |
| be called gpio-graniterapids. | |
| config GPIO_GRGPIO | |
| tristate "Aeroflex Gaisler GRGPIO support" | |
| depends on OF || COMPILE_TEST | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| 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 || 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 supports double-edge interrupt and multi-core | |
| concurrent access. | |
| config GPIO_HLWD | |
| tristate "Nintendo Wii (Hollywood) GPIO" | |
| depends on OF | |
| 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 && LPC_ICH) || (COMPILE_TEST && HAS_IOPORT) | |
| 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 (e.g. Ibex Peak), Series 6/C200 (e.g. | |
| Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). | |
| If unsure, say N. | |
| config GPIO_IMX_SCU | |
| def_bool y | |
| depends on IMX_SCU | |
| config GPIO_IXP4XX | |
| bool "Intel IXP4xx GPIO" | |
| depends on (ARCH_IXP4XX && OF) || COMPILE_TEST | |
| 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_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_LOONGSON_64BIT | |
| tristate "Loongson 64 bit GPIO support" | |
| depends on LOONGARCH || COMPILE_TEST | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the GPIO functionality of a number of | |
| Loongson series of chips. The Loongson GPIO controller supports | |
| up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and | |
| the remaining 56 are reused with other functions, with edge or | |
| level triggered interrupts. | |
| config GPIO_LPC18XX | |
| tristate "NXP LPC18XX/43XX GPIO support" | |
| default y if ARCH_LPC18XX | |
| depends on ARCH_LPC18XX || COMPILE_TEST | |
| select IRQ_DOMAIN_HIERARCHY | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Select this option to enable GPIO driver for | |
| NXP LPC18XX/43XX devices. | |
| config GPIO_LPC32XX | |
| tristate "NXP LPC32XX GPIO support" | |
| depends on ARCH_LPC32XX || COMPILE_TEST | |
| depends on OF | |
| 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 16-bit 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 GPIOLIB_IRQCHIP | |
| 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 | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the Mediatek MT7621 SoC GPIO device. | |
| config GPIO_MVEBU | |
| bool "Marvell Orion and EBU GPIO support" if COMPILE_TEST | |
| depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST | |
| default PLAT_ORION || ARCH_MVEBU | |
| 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_NOMADIK | |
| bool "Nomadik GPIO driver" | |
| depends on ARCH_U8500 || ARCH_NOMADIK || MACH_EYEQ5 || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the Nomadik SoC GPIO block. This block is also | |
| used by the Mobileye EyeQ5 SoC. | |
| It handles up to 32 GPIOs per bank, that can all be interrupt sources. | |
| It is deeply interconnected with the associated pinctrl driver as GPIO | |
| registers handle muxing ("alternate functions") as well. | |
| config GPIO_NPCM_SGPIO | |
| bool "Nuvoton SGPIO support" | |
| depends on ARCH_NPCM || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say Y here to support Nuvoton NPCM7XX/NPCM8XX SGPIO functionality. | |
| 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" | |
| depends on ARCH_OMAP || COMPILE_TEST | |
| default y if ARCH_OMAP | |
| 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 || COMPILE_TEST | |
| select IRQ_DOMAIN | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the PrimeCell PL061 GPIO device. | |
| config GPIO_POLARFIRE_SOC | |
| bool "Microchip FPGA GPIO support" | |
| select REGMAP_MMIO | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the GPIO controllers on Microchip FPGAs. | |
| config GPIO_PPC44X | |
| tristate "PPC44x GPIO support" | |
| depends on 44x || COMPILE_TEST | |
| select GPIO_GENERIC | |
| help | |
| Enable gpiolib support for ppc440 based boards. | |
| config GPIO_PXA | |
| bool "PXA GPIO support" | |
| depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| 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 | |
| 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 || COMPILE_TEST | |
| 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_RTD | |
| tristate "Realtek DHC GPIO support" | |
| depends on ARCH_REALTEK || COMPILE_TEST | |
| default ARCH_REALTEK | |
| select GPIOLIB_IRQCHIP | |
| help | |
| This option enables support for GPIOs found on Realtek DHC(Digital | |
| Home Center) SoCs family, including RTD1295, RTD1315E, RTD1319, | |
| RTD1319D, RTD1395, RTD1619 and RTD1619B. | |
| Say yes here to support GPIO functionality and GPIO interrupt on | |
| Realtek DHC SoCs. | |
| config GPIO_RTD1625 | |
| tristate "Realtek DHC RTD1625 GPIO support" | |
| depends on ARCH_REALTEK || COMPILE_TEST | |
| default ARCH_REALTEK | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_REGMAP | |
| select REGMAP_MMIO | |
| help | |
| This option enables support for the GPIO controller on Realtek | |
| DHC (Digital Home Center) RTD1625 SoC. | |
| Say yes here to support both basic GPIO line functionality | |
| and GPIO interrupt handling capabilities for this platform. | |
| config GPIO_SAMA5D2_PIOBU | |
| tristate "SAMA5D2 PIOBU GPIO support" | |
| depends on OF | |
| depends on MFD_SYSCON | |
| depends on ARCH_AT91 || COMPILE_TEST | |
| 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 | |
| tristate "SiFive GPIO support" | |
| depends on OF | |
| 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 | |
| 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_SPACEMIT_K1 | |
| tristate "SPACEMIT K1 GPIO support" | |
| depends on ARCH_SPACEMIT || COMPILE_TEST | |
| depends on OF | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support the SpacemiT's K1 GPIO device. | |
| config GPIO_SPEAR_SPICS | |
| bool "ST SPEAr13xx SPI Chip Select as GPIO support" | |
| depends on PLAT_SPEAR || COMPILE_TEST | |
| 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 | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support Spreadtrum GPIO device. | |
| config GPIO_STP_XWAY | |
| bool "XWAY STP GPIOs" | |
| depends on SOC_XWAY || COMPILE_TEST | |
| 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 bits. 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_TANGIER | |
| tristate | |
| select GPIOLIB_IRQCHIP | |
| help | |
| GPIO support for Intel Tangier and compatible platforms. | |
| Currently supported: | |
| - Elkhart Lake | |
| - Merrifield | |
| If built as a module its name will be gpio-tangier. | |
| config GPIO_TB10X | |
| bool "Abilis Systems TB10x GPIO controller" | |
| depends on ARC_PLAT_TB10X || COMPILE_TEST | |
| select GPIO_GENERIC | |
| select GENERIC_IRQ_CHIP | |
| config GPIO_TEGRA | |
| tristate "NVIDIA Tegra GPIO support" | |
| default ARCH_TEGRA | |
| depends on ARCH_TEGRA || COMPILE_TEST | |
| 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 || ARCH_TEGRA_234_SOC | |
| depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC || COMPILE_TEST | |
| depends on OF | |
| select GPIOLIB_IRQCHIP | |
| select IRQ_DOMAIN_HIERARCHY | |
| help | |
| Say yes here to support GPIO pins on NVIDIA Tegra186, 194 and 234 SoCs. | |
| config GPIO_TS4800 | |
| tristate "TS-4800 DIO blocks and compatibles" | |
| 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 | |
| select IRQ_DOMAIN_HIERARCHY | |
| help | |
| Say yes here to support UniPhier GPIOs. | |
| config GPIO_VF610 | |
| tristate "VF610 GPIO support" | |
| default y if SOC_VF610 | |
| depends on ARCH_MXC || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_GENERIC | |
| help | |
| Say yes here to support i.MX or Vybrid vf610 GPIOs. | |
| config GPIO_VISCONTI | |
| tristate "Toshiba Visconti GPIO support" | |
| depends on ARCH_VISCONTI || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_GENERIC | |
| select IRQ_DOMAIN_HIERARCHY | |
| help | |
| Say yes here to support GPIO on Tohisba Visconti. | |
| config GPIO_WAVESHARE_DSI_TOUCH | |
| tristate "Waveshare GPIO controller for DSI panels" | |
| depends on BACKLIGHT_CLASS_DEVICE | |
| depends on I2C | |
| select REGMAP_I2C | |
| help | |
| Enable support for the GPIO and PWM controller found on Waveshare DSI | |
| TOUCH panel kits. It provides GPIOs (used for regulator control and | |
| resets) and backlight support. | |
| config GPIO_WCD934X | |
| tristate "Qualcomm WCD9340/WCD9341 GPIO controller driver" | |
| depends on MFD_WCD934X | |
| 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 || COMPILE_TEST | |
| 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 | |
| help | |
| Say yes here to support the Xilinx FPGA GPIO device. | |
| config GPIO_XLP | |
| tristate "Cavium ThunderX2 GPIO support" | |
| depends on ARCH_THUNDER2 || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| This driver provides support for GPIO interface on Cavium's ThunderX2 | |
| CN99XX SoCs (Originally from Netlogic XLP). | |
| 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 || COMPILE_TEST | |
| 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 || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support Xilinx Zynq GPIO controller. | |
| config GPIO_ZYNQMP_MODEPIN | |
| tristate "ZynqMP ps-mode pin GPIO configuration driver" | |
| depends on ZYNQMP_FIRMWARE || COMPILE_TEST | |
| default ZYNQMP_FIRMWARE | |
| help | |
| Say yes here to support the ZynqMP ps-mode pin GPIO configuration | |
| driver. | |
| This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE | |
| is 4-bits boot mode pins. It sets and gets the status of | |
| the ps-mode pin. Every pin can be configured as input/output. | |
| config GPIO_LOONGSON1 | |
| tristate "Loongson1 GPIO support" | |
| depends on MACH_LOONGSON32 || COMPILE_TEST | |
| 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 AMD's Fusion Controller Hub, | |
| as found on G-series SOCs (e.g. GX-412TC). | |
| Note: This driver doesn't register itself automatically, as it | |
| needs to be provided with platform-specific configuration. | |
| (See e.g. CONFIG_PCENGINES_APU2.) | |
| config GPIO_MSC313 | |
| bool "MStar MSC313 GPIO support" | |
| depends on ARCH_MSTARV7 || COMPILE_TEST | |
| 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 || COMPILE_TEST | |
| depends on HAS_IOPORT # I/O space access | |
| 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_I8255 | |
| tristate | |
| select GPIO_REGMAP | |
| help | |
| Enables support for the i8255 interface library functions. The i8255 | |
| interface library provides functions to facilitate communication with | |
| interfaces compatible with the venerable Intel 8255 Programmable | |
| Peripheral Interface (PPI). The Intel 8255 PPI chip was first released | |
| in the early 1970s but compatible interfaces are nowadays typically | |
| found embedded in larger VLSI processing chips and FPGA components. | |
| If built as a module its name will be gpio-i8255. | |
| config GPIO_104_DIO_48E | |
| tristate "ACCES 104-DIO-48E GPIO support" | |
| depends on PC104 | |
| select ISA_BUS_API | |
| select REGMAP_MMIO | |
| select REGMAP_IRQ | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_I8255 | |
| select I8254 | |
| 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 REGMAP_MMIO | |
| select GPIO_IDIO_16 | |
| 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 REGMAP_MMIO | |
| select REGMAP_IRQ | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_REGMAP | |
| 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 "Fintek and Nuvoton Super-I/O GPIO support" | |
| help | |
| This option enables support for GPIOs found on Fintek Super-I/O | |
| chips F71869, F71869A, F71882FG, F71889F and F81866. | |
| As well as Nuvoton Super-I/O chip NCT6126D. | |
| 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 | |
| select REGMAP_MMIO | |
| select GPIO_I8255 | |
| 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_NOVALAKE | |
| tristate "Intel Nova Lake GPIO-signaled ACPI events support" | |
| depends on (X86 || COMPILE_TEST) && ACPI | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Select this to enable GPIO-signaled ACPI events support on platforms | |
| with the following SoCs: | |
| - Intel Nova Lake | |
| This driver adds support for new mode of handling platform events, | |
| through the use of GPIO-signaled ACPI events. Main purpose is to | |
| handle platform IRQs that originate in PCH components, for example | |
| interrupt triggered by Power Management Event (PME). | |
| This driver, at this time, is not required to handle platform events. | |
| Listed platform(s) will stay in legacy mode, handling ACPI events as | |
| in previous generations. However, future platforms will eventually | |
| switch to new handling mode, requiring this driver to run events | |
| properly. | |
| Driver supports up to 128 GPIO pins per GPE block. | |
| To compile this driver as a module, choose M here: the module will | |
| be called gpio-novalake-events. | |
| 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_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 REGMAP_IRQ | |
| select REGMAP_MMIO | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_REGMAP | |
| 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_ADNP | |
| tristate "Avionic Design N-bit GPIO expander" | |
| depends on OF | |
| 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_FXL6408 | |
| tristate "FXL6408 I2C GPIO expander" | |
| select GPIO_REGMAP | |
| select REGMAP_I2C | |
| help | |
| GPIO driver for Fairchild Semiconductor FXL6408 GPIO expander. | |
| To compile this driver as a module, choose M here: the module will | |
| be called gpio-fxl6408. | |
| config GPIO_DS4520 | |
| tristate "DS4520 I2C GPIO expander" | |
| select REGMAP_I2C | |
| select GPIO_REGMAP | |
| help | |
| GPIO driver for ADI DS4520 I2C-based GPIO expander. | |
| Say yes here to enable the GPIO driver for the ADI DS4520 chip. | |
| To compile this driver as a module, choose M here: the module will | |
| be called gpio-ds4520. | |
| config GPIO_GW_PLD | |
| tristate "Gateworks PLD GPIO Expander" | |
| depends on OF | |
| 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_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, | |
| pcal6408, pcal9554b, tca9538, tcal6408 | |
| 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, | |
| tca6416, pca6416, pcal6416, pcal9535, pcal9555a, max7318, | |
| tca9539, tcal6416 | |
| 18 bits: tca6418 | |
| 24 bits: tca6424, pcal6524 | |
| 40 bits: pca9505, pca9698, pca9506 | |
| 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. | |
| 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_ADP5585 | |
| tristate "GPIO Support for ADP5585" | |
| depends on MFD_ADP5585 | |
| select GPIOLIB_IRQCHIP | |
| help | |
| This option enables support for the GPIO function found in the Analog | |
| Devices ADP5585. | |
| 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_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_BD72720 | |
| tristate "ROHM BD72720 and BD73900 PMIC GPIO support" | |
| depends on MFD_ROHM_BD71828 | |
| help | |
| Support for GPIO on ROHM BD72720 and BD73900 PMICs. There are two | |
| pins which can be configured to GPI or GPO, and three pins which can | |
| be configured to GPO on the ROHM PMIC. The pin configuration is done | |
| on OTP at manufacturing. | |
| 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_CGBC | |
| tristate "Congatec Board Controller GPIO support" | |
| depends on MFD_CGBC | |
| help | |
| Select this option to enable GPIO support for the Congatec Board | |
| Controller. | |
| This driver can also be built as a module. If so, the module will be | |
| called gpio-cgbc. | |
| config GPIO_CROS_EC | |
| tristate "ChromeOS EC GPIO support" | |
| depends on CROS_EC | |
| help | |
| GPIO driver for the ChromeOS Embedded Controller (EC). GPIOs | |
| cannot be set unless the system is unlocked. | |
| This driver can also be built as a module. If so, the module | |
| will be called gpio-cros-ec. | |
| 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 controlled 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 || COMPILE_TEST | |
| 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_ELKHARTLAKE | |
| tristate "Intel Elkhart Lake PSE GPIO support" | |
| depends on INTEL_EHL_PSE_IO | |
| select GPIO_TANGIER | |
| help | |
| Select this option to enable GPIO support for Intel Elkhart Lake | |
| PSE GPIO IP. | |
| To compile this driver as a module, choose M here: the module will | |
| be called gpio-elkhartlake. | |
| 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 | |
| select GPIOLIB_IRQCHIP | |
| 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_LJCA | |
| tristate "INTEL La Jolla Cove Adapter GPIO support" | |
| depends on USB_LJCA | |
| select GPIOLIB_IRQCHIP | |
| default USB_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_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_MACSMC | |
| tristate "Apple Mac SMC GPIO" | |
| depends on MFD_MACSMC | |
| help | |
| Support for GPIOs controlled by the SMC microcontroller on Apple Mac | |
| systems. | |
| This driver can also be built as a module. If so, the module will be | |
| called gpio-macsmc. | |
| 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_MAX7360 | |
| tristate "MAX7360 GPIO support" | |
| depends on MFD_MAX7360 | |
| select GPIO_REGMAP | |
| select REGMAP_IRQ | |
| help | |
| Allows to use MAX7360 I/O Expander PWM lines as GPIO and keypad COL | |
| lines as GPO. | |
| This driver can also be built as a module. If so, the module will be | |
| called gpio-max7360. | |
| 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_MAX77759 | |
| tristate "Maxim Integrated MAX77759 GPIO support" | |
| depends on MFD_MAX77759 | |
| default MFD_MAX77759 | |
| select GPIOLIB_IRQCHIP | |
| help | |
| GPIO driver for MAX77759 PMIC from Maxim Integrated. | |
| There are two GPIOs available on these chips 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-max77759. | |
| config GPIO_NCT6694 | |
| tristate "Nuvoton NCT6694 GPIO controller support" | |
| depends on MFD_NCT6694 | |
| select GENERIC_IRQ_CHIP | |
| select GPIOLIB_IRQCHIP | |
| help | |
| This driver supports 8 GPIO pins per bank that can all be interrupt | |
| sources. | |
| This driver can also be built as a module. If so, the module will be | |
| called gpio-nct6694. | |
| config GPIO_PALMAS | |
| tristate "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_PMIC_EIC_SPRD | |
| tristate "Spreadtrum PMIC EIC support" | |
| depends on MFD_SC27XX_PMIC || COMPILE_TEST | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say yes here to support Spreadtrum PMIC EIC device. | |
| config GPIO_QIXIS_FPGA | |
| tristate "NXP QIXIS FPGA GPIO support" | |
| depends on MFD_SIMPLE_MFD_I2C || COMPILE_TEST | |
| select GPIO_REGMAP | |
| select REGMAP_MMIO | |
| help | |
| This enables support for the GPIOs found in the QIXIS FPGA which is | |
| integrated on some NXP Layerscape boards such as LX2160ARDB and | |
| LS1046AQDS. | |
| 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 | |
| tristate "STMPE GPIOs" | |
| depends on MFD_STMPE | |
| 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 | |
| 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 | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Add support for the GPIO IP in the timberdale FPGA. | |
| config GPIO_TN48M_CPLD | |
| tristate "Delta Networks TN48M switch CPLD GPIO driver" | |
| depends on MFD_TN48M_CPLD || COMPILE_TEST | |
| select GPIO_REGMAP | |
| help | |
| This enables support for the GPIOs found on the Delta | |
| Networks TN48M switch Lattice CPLD. It provides 12 pins in total, | |
| they are input-only or output-only type. | |
| This driver can also be built as a module. If so, the | |
| module will be called gpio-tn48m. | |
| 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_TPS65219 | |
| tristate "TPS65219 GPIO" | |
| depends on MFD_TPS65219 | |
| default MFD_TPS65219 | |
| help | |
| Select this option to enable GPIO driver for the TPS65219 chip | |
| family. | |
| GPIO0 is statically configured as either input or output prior to | |
| Linux boot. It is used for MULTI_DEVICE_ENABLE function. This setting | |
| is statically configured by NVM. GPIO0 can't be used as a generic | |
| GPIO. It's either a GPO when MULTI_DEVICE_EN=0 or a GPI when | |
| MULTI_DEVICE_EN=1. | |
| This driver can also be built as a module. If so, the module will be | |
| called gpio_tps65219. | |
| 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 | |
| tristate "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. | |
| 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_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 an 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 "Auxiliary Bus GPIO drivers" | |
| depends on AUXILIARY_BUS | |
| config GPIO_LTC4283 | |
| tristate "Analog Devices LTC4283 GPIO support" | |
| depends on SENSORS_LTC4283 | |
| help | |
| If you say yes here you want the GPIO function available in Analog | |
| Devices LTC4283 Negative Voltage Hot Swap Controller. | |
| This driver can also be built as a module. If so, the module will | |
| be called gpio-ltc4283. | |
| endmenu | |
| menu "PCI GPIO expanders" | |
| depends on PCI | |
| config GPIO_AMD8111 | |
| tristate "AMD 8111 GPIO driver" | |
| depends on X86 || COMPILE_TEST | |
| depends on HAS_IOPORT_MAP | |
| help | |
| The AMD 8111 southbridge 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 uncareful usage | |
| of this driver! | |
| If unsure, say N | |
| config GPIO_BT8XX | |
| tristate "BT8XX GPIO abuser" | |
| depends on VIDEO_BT848=n || COMPILE_TEST | |
| 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 GPIO_TANGIER | |
| 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 | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say Y here if you want GPIO support on Mellanox BlueField 2 SoC. | |
| config GPIO_MLXBF3 | |
| tristate "Mellanox BlueField 3 SoC GPIO" | |
| depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST | |
| select GPIO_GENERIC | |
| select GPIOLIB_IRQCHIP | |
| help | |
| Say Y if you want GPIO support on Mellanox BlueField 3 SoC. | |
| This GPIO controller supports interrupt handling and enables the | |
| manipulation of certain GPIO pins. | |
| This controller should be used in parallel with pinctrl-mlxbf3 to | |
| control the desired GPIOs. | |
| This driver can also be built as a module called mlxbf3-gpio. | |
| 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 REGMAP_MMIO | |
| select GPIO_IDIO_16 | |
| 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 REGMAP_IRQ | |
| select REGMAP_MMIO | |
| select GPIOLIB_IRQCHIP | |
| select GPIO_REGMAP | |
| 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" | |
| 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. | |
| config GPIO_MPSSE | |
| tristate "FTDI MPSSE GPIO support" | |
| select GPIOLIB_IRQCHIP | |
| help | |
| GPIO driver for FTDI's MPSSE interface. These can do input and | |
| output. Each MPSSE provides 16 IO pins. | |
| config GPIO_USBIO | |
| tristate "Intel USBIO GPIO support" | |
| depends on USB_USBIO | |
| default USB_USBIO | |
| help | |
| Select this option to enable GPIO driver for the INTEL | |
| USBIO driver stack. | |
| This driver can also be built as a module. If so, the module | |
| will be called gpio_usbio. | |
| endmenu | |
| menu "Virtual GPIO drivers" | |
| config GPIO_AGGREGATOR | |
| tristate "GPIO Aggregator" | |
| select CONFIGFS_FS | |
| 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_LATCH | |
| tristate "GPIO latch driver" | |
| help | |
| Say yes here to enable a driver for GPIO multiplexers based on latches | |
| connected to other GPIOs. | |
| config GPIO_LINE_MUX | |
| tristate "GPIO line mux driver" | |
| depends on OF | |
| select MULTIPLEXER | |
| help | |
| Say Y here to support the GPIO line mux, which can provide virtual | |
| GPIOs backed by a shared real GPIO and a multiplexer in a 1-to-many | |
| fashion. | |
| config GPIO_MOCKUP | |
| tristate "GPIO Testing Driver (DEPRECATED)" | |
| select IRQ_SIM | |
| help | |
| This module is DEPRECATED. Please consider using gpio-sim instead. | |
| 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 | |
| select GPIOLIB_IRQCHIP | |
| 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). | |
| config GPIO_SIM | |
| tristate "GPIO Simulator Module" | |
| depends on SYSFS | |
| select IRQ_SIM | |
| select CONFIGFS_FS | |
| help | |
| This enables the GPIO simulator - a configfs-based GPIO testing | |
| driver. | |
| config GPIO_SHARED_PROXY | |
| tristate "Proxy driver for non-exclusive GPIOs" | |
| default m | |
| depends on GPIO_SHARED || COMPILE_TEST | |
| select AUXILIARY_BUS | |
| help | |
| This enables the GPIO shared proxy driver - an abstraction layer | |
| for GPIO pins that are shared by multiple devices. | |
| endmenu | |
| menu "GPIO Debugging utilities" | |
| config GPIO_SLOPPY_LOGIC_ANALYZER | |
| tristate "Sloppy GPIO logic analyzer" | |
| depends on (GPIOLIB || COMPILE_TEST) && CPUSETS && DEBUG_FS && EXPERT | |
| help | |
| This option enables support for a sloppy logic analyzer using polled | |
| GPIOs. Use the 'tools/gpio/gpio-sloppy-logic-analyzer' script with | |
| this driver. The script will make it easier to use and will also | |
| isolate a CPU for the polling task. Note that this is a last resort | |
| analyzer which can be affected by latencies, non-deterministic code | |
| paths, or NMIs. However, for e.g. remote development, it may be useful | |
| to get a first view and aid further debugging. | |
| If this driver is built as a module it will be called | |
| 'gpio-sloppy-logic-analyzer'. | |
| config GPIO_VIRTUSER | |
| tristate "GPIO Virtual User Testing Module" | |
| select DEBUG_FS | |
| select CONFIGFS_FS | |
| select IRQ_WORK | |
| help | |
| Say Y here to enable the configurable, configfs-based virtual GPIO | |
| consumer testing driver. | |
| This driver is aimed as a helper in spotting any regressions in | |
| hot-unplug handling in GPIOLIB. | |
| endmenu | |
| endif |