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# SPDX-License-Identifier: GPL-2.0-only |
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# |
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# GPIO infrastructure and drivers |
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# |
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config ARCH_HAVE_CUSTOM_GPIO_H |
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bool |
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help |
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Selecting this config option from the architecture Kconfig allows |
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the architecture to provide a custom asm/gpio.h implementation |
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overriding the default implementations. New uses of this are |
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strongly discouraged. |
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menuconfig GPIOLIB |
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bool "GPIO Support" |
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help |
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This enables GPIO support through the generic GPIO library. |
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You only need to enable this if you also want to enable |
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one or more of the GPIO drivers below. |
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If unsure, say N. |
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if GPIOLIB |
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config GPIOLIB_FASTPATH_LIMIT |
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int "Maximum number of GPIOs for fast path" |
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range 32 512 |
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default 512 |
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help |
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This adjusts the point at which certain APIs will switch from |
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using a stack allocated buffer to a dynamically allocated buffer. |
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You shouldn't need to change this unless you really need to |
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optimize either stack space or performance. Change this carefully |
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since setting an incorrect value could cause stack corruption. |
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config OF_GPIO |
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def_bool y |
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depends on OF |
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depends on HAS_IOMEM |
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config GPIO_ACPI |
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def_bool y |
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depends on ACPI |
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config GPIOLIB_IRQCHIP |
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select IRQ_DOMAIN |
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bool |
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config DEBUG_GPIO |
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bool "Debug GPIO calls" |
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depends on DEBUG_KERNEL |
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help |
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Say Y here to add some extra checks and diagnostics to GPIO calls. |
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These checks help ensure that GPIOs have been properly initialized |
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before they are used, and that sleeping calls are not made from |
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non-sleeping contexts. They can make bitbanged serial protocols |
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slower. The diagnostics help catch the type of setup errors |
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that are most common when setting up new platforms or boards. |
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config GPIO_SYSFS |
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bool "/sys/class/gpio/... (sysfs interface)" if EXPERT |
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depends on SYSFS |
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select GPIO_CDEV # We need to encourage the new ABI |
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help |
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Say Y here to add the legacy sysfs interface for GPIOs. |
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This ABI is deprecated. If you want to use GPIO from userspace, |
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use the character device /dev/gpiochipN with the appropriate |
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ioctl() operations instead. |
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config GPIO_CDEV |
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bool |
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prompt "Character device (/dev/gpiochipN) support" if EXPERT |
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default y |
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help |
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Say Y here to add the character device /dev/gpiochipN interface |
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for GPIOs. The character device allows userspace to control GPIOs |
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using ioctl() operations. |
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Only say N if you are sure that the GPIO character device is not |
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required. |
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If unsure, say Y. |
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config GPIO_CDEV_V1 |
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bool "Support GPIO ABI Version 1" |
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default y |
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depends on GPIO_CDEV |
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help |
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Say Y here to support version 1 of the GPIO CDEV ABI. |
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This ABI version is deprecated. |
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Please use the latest ABI for new developments. |
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If unsure, say Y. |
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config GPIO_GENERIC |
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depends on HAS_IOMEM # Only for IOMEM drivers |
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tristate |
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config GPIO_REGMAP |
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depends on REGMAP |
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tristate |
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# put drivers in the right section, in alphabetical order |
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# This symbol is selected by both I2C and SPI expanders |
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config GPIO_MAX730X |
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tristate |
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menu "Memory mapped GPIO drivers" |
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depends on HAS_IOMEM |
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config GPIO_74XX_MMIO |
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tristate "GPIO driver for 74xx-ICs with MMIO access" |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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help |
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Say yes here to support GPIO functionality for 74xx-compatible ICs |
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with MMIO access. Compatible models include: |
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1 bit: 741G125 (Input), 741G74 (Output) |
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2 bits: 742G125 (Input), 7474 (Output) |
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4 bits: 74125 (Input), 74175 (Output) |
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6 bits: 74365 (Input), 74174 (Output) |
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8 bits: 74244 (Input), 74273 (Output) |
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16 bits: 741624 (Input), 7416374 (Output) |
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config GPIO_ALTERA |
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tristate "Altera GPIO" |
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depends on OF_GPIO |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y or M here to build support for the Altera PIO device. |
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If driver is built as a module it will be called gpio-altera. |
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config GPIO_AMDPT |
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tristate "AMD Promontory GPIO support" |
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depends on ACPI |
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select GPIO_GENERIC |
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help |
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Driver for GPIO functionality on Promontory IOHub. |
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Requires ACPI ASL code to enumerate as a platform device. |
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config GPIO_ASPEED |
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tristate "Aspeed GPIO support" |
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depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers. |
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config GPIO_ASPEED_SGPIO |
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bool "Aspeed SGPIO support" |
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depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y here to support Aspeed AST2500 SGPIO functionality. |
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config GPIO_ATH79 |
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tristate "Atheros AR71XX/AR724X/AR913X GPIO support" |
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default y if ATH79 |
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depends on ATH79 || COMPILE_TEST |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Select this option to enable GPIO driver for |
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Atheros AR71XX/AR724X/AR913X SoC devices. |
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config GPIO_RASPBERRYPI_EXP |
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tristate "Raspberry Pi 3 GPIO Expander" |
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default RASPBERRYPI_FIRMWARE |
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depends on OF_GPIO |
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# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only |
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# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE. |
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depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) |
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help |
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Turn on GPIO support for the expander on Raspberry Pi 3 boards, using |
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the firmware mailbox to communicate with VideoCore on BCM283x chips. |
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config GPIO_BCM_KONA |
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bool "Broadcom Kona GPIO" |
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depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST) |
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help |
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Turn on GPIO support for Broadcom "Kona" chips. |
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config GPIO_BCM_XGS_IPROC |
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tristate "BRCM XGS iProc GPIO support" |
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depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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default ARCH_BCM_IPROC |
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help |
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Say yes here to enable GPIO support for Broadcom XGS iProc SoCs. |
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config GPIO_BCM_VIRT |
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bool "Broadcom Virt GPIO" |
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depends on OF_GPIO && RASPBERRYPI_FIRMWARE && (ARCH_BCM2835 || COMPILE_TEST) |
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help |
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Turn on virtual GPIO support for Broadcom BCM283X chips. |
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config GPIO_BRCMSTB |
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tristate "BRCMSTB GPIO support" |
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default y if (ARCH_BRCMSTB || BMIPS_GENERIC) |
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depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) |
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select GPIO_GENERIC |
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select IRQ_DOMAIN |
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help |
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Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. |
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config GPIO_CADENCE |
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tristate "Cadence GPIO support" |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to enable support for Cadence GPIO controller. |
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config GPIO_CLPS711X |
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tristate "CLPS711X GPIO support" |
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depends on ARCH_CLPS711X || COMPILE_TEST |
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select GPIO_GENERIC |
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help |
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Say yes here to support GPIO on CLPS711X SoCs. |
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config GPIO_DAVINCI |
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bool "TI Davinci/Keystone GPIO support" |
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default y if ARCH_DAVINCI |
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depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) |
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help |
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Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. |
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config GPIO_DWAPB |
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tristate "Synopsys DesignWare APB GPIO driver" |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y or M here to build support for the Synopsys DesignWare APB |
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GPIO block. |
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config GPIO_EIC_SPRD |
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tristate "Spreadtrum EIC support" |
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depends on ARCH_SPRD || COMPILE_TEST |
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depends on OF_GPIO |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to support Spreadtrum EIC device. |
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config GPIO_EM |
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tristate "Emma Mobile GPIO" |
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depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO |
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help |
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Say yes here to support GPIO on Renesas Emma Mobile SoCs. |
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config GPIO_EN7523 |
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tristate "Airoha GPIO support" |
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depends on ARCH_AIROHA |
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default ARCH_AIROHA |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y or M here to support the GPIO controller block on the |
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Airoha EN7523 SoC. It supports two banks of 32 GPIOs. |
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config GPIO_EP93XX |
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def_bool y |
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depends on ARCH_EP93XX |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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config GPIO_EXAR |
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tristate "Support for GPIO pins on XR17V352/354/358" |
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depends on SERIAL_8250_EXAR |
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select REGMAP_MMIO |
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help |
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Selecting this option will enable handling of GPIO pins present |
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on Exar XR17V352/354/358 chips. |
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config GPIO_GE_FPGA |
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bool "GE FPGA based GPIO" |
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depends on GE_FPGA |
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select GPIO_GENERIC |
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help |
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Support for common GPIO functionality provided on some GE Single Board |
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Computers. |
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This driver provides basic support (configure as input or output, read |
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and write pin state) for GPIO implemented in a number of GE single |
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board computers. |
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config GPIO_FTGPIO010 |
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bool "Faraday FTGPIO010 GPIO" |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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default (ARCH_GEMINI || ARCH_MOXART) |
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help |
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Support for common GPIOs from the Faraday FTGPIO010 IP core, found in |
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Cortina systems Gemini platforms, Moxa ART and others. |
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config GPIO_GENERIC_PLATFORM |
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tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" |
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select GPIO_GENERIC |
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help |
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Say yes here to support basic platform_device memory-mapped GPIO controllers. |
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config GPIO_GRGPIO |
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tristate "Aeroflex Gaisler GRGPIO support" |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select IRQ_DOMAIN |
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help |
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Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB |
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VHDL IP core library. |
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config GPIO_HISI |
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tristate "HiSilicon GPIO controller driver" |
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depends on (ARM64 && ACPI) || COMPILE_TEST |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y or M here to build support for the HiSilicon GPIO controller |
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driver GPIO block. |
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This GPIO controller supports double-edge interrupt and multi-core |
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concurrent access. |
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config GPIO_HLWD |
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tristate "Nintendo Wii (Hollywood) GPIO" |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Select this to support the GPIO controller of the Nintendo Wii. |
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If unsure, say N. |
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config GPIO_ICH |
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tristate "Intel ICH GPIO" |
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depends on X86 |
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depends on LPC_ICH |
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help |
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Say yes here to support the GPIO functionality of a number of Intel |
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ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 |
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ICH9, ICH10, Series 5/3400 (e.g. Ibex Peak), Series 6/C200 (e.g. |
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Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). |
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If unsure, say N. |
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config GPIO_IMX_SCU |
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def_bool y |
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depends on IMX_SCU |
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config GPIO_IOP |
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tristate "Intel IOP GPIO" |
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depends on ARCH_IOP32X || COMPILE_TEST |
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select GPIO_GENERIC |
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help |
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Say yes here to support the GPIO functionality of a number of Intel |
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IOP32X or IOP33X series of chips. |
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If unsure, say N. |
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config GPIO_IXP4XX |
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bool "Intel IXP4xx GPIO" |
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depends on ARCH_IXP4XX |
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depends on OF |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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select IRQ_DOMAIN_HIERARCHY |
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help |
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Say yes here to support the GPIO functionality of a number of Intel |
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IXP4xx series of chips. |
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If unsure, say N. |
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config GPIO_LOGICVC |
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tristate "Xylon LogiCVC GPIO support" |
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depends on MFD_SYSCON && OF |
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help |
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Say yes here to support GPIO functionality of the Xylon LogiCVC |
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programmable logic block. |
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config GPIO_LOONGSON |
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bool "Loongson-2/3 GPIO support" |
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depends on CPU_LOONGSON2EF || CPU_LOONGSON64 |
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help |
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Driver for GPIO functionality on Loongson-2F/3A/3B processors. |
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config GPIO_LPC18XX |
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tristate "NXP LPC18XX/43XX GPIO support" |
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default y if ARCH_LPC18XX |
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depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) |
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select IRQ_DOMAIN_HIERARCHY |
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help |
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Select this option to enable GPIO driver for |
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NXP LPC18XX/43XX devices. |
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config GPIO_LPC32XX |
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tristate "NXP LPC32XX GPIO support" |
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depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST) |
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help |
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Select this option to enable GPIO driver for |
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NXP LPC32XX devices. |
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config GPIO_MB86S7X |
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tristate "GPIO support for Fujitsu MB86S7x Platforms" |
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help |
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Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. |
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config GPIO_MENZ127 |
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tristate "MEN 16Z127 GPIO support" |
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depends on MCB |
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select GPIO_GENERIC |
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help |
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Say yes here to support the MEN 16Z127 GPIO Controller. |
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config GPIO_MM_LANTIQ |
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bool "Lantiq Memory mapped GPIOs" |
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depends on LANTIQ && SOC_XWAY |
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help |
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This enables support for memory mapped GPIOs on the External Bus Unit |
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(EBU) found on Lantiq SoCs. The GPIOs are output only as they are |
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created by attaching a 16-bit latch to the bus. |
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config GPIO_MPC5200 |
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def_bool y |
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depends on PPC_MPC52xx |
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config GPIO_MPC8XXX |
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bool "MPC512x/MPC8xxx/QorIQ GPIO support" |
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depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ |
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FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ |
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COMPILE_TEST |
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select GPIO_GENERIC |
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select IRQ_DOMAIN |
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help |
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Say Y here if you're going to use hardware that connects to the |
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MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. |
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config GPIO_MT7621 |
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bool "Mediatek MT7621 GPIO Support" |
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depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to support the Mediatek MT7621 SoC GPIO device. |
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config GPIO_MVEBU |
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def_bool y |
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depends on PLAT_ORION || ARCH_MVEBU |
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depends on OF_GPIO |
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select GENERIC_IRQ_CHIP |
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select REGMAP_MMIO |
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config GPIO_MXC |
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tristate "i.MX GPIO support" |
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depends on ARCH_MXC || COMPILE_TEST |
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select GPIO_GENERIC |
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select GENERIC_IRQ_CHIP |
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config GPIO_MXS |
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bool "Freescale MXS GPIO support" if COMPILE_TEST |
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depends on ARCH_MXS || COMPILE_TEST |
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default y if ARCH_MXS |
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select GPIO_GENERIC |
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select GENERIC_IRQ_CHIP |
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config GPIO_OCTEON |
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tristate "Cavium OCTEON GPIO" |
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depends on CAVIUM_OCTEON_SOC |
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default y |
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help |
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Say yes here to support the on-chip GPIO lines on the OCTEON |
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family of SOCs. |
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config GPIO_OMAP |
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tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST |
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default y if ARCH_OMAP |
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depends on ARM |
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select GENERIC_IRQ_CHIP |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to enable GPIO support for TI OMAP SoCs. |
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config GPIO_PL061 |
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tristate "PrimeCell PL061 GPIO support" |
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depends on ARM_AMBA |
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select IRQ_DOMAIN |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to support the PrimeCell PL061 GPIO device. |
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config GPIO_PMIC_EIC_SPRD |
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tristate "Spreadtrum PMIC EIC support" |
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depends on MFD_SC27XX_PMIC || COMPILE_TEST |
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depends on OF_GPIO |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to support Spreadtrum PMIC EIC device. |
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config GPIO_PWM |
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tristate "PWM chip GPIO" |
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depends on OF_GPIO |
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depends on PWM |
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help |
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Turn on support for exposing a PWM chip as a GPIO |
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driver. |
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config GPIO_PXA |
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bool "PXA GPIO support" |
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depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST |
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help |
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Say yes here to support the PXA GPIO device. |
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config GPIO_RCAR |
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tristate "Renesas R-Car and RZ/G GPIO support" |
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depends on ARCH_RENESAS || COMPILE_TEST |
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select GPIOLIB_IRQCHIP |
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help |
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Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs. |
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config GPIO_RDA |
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bool "RDA Micro GPIO controller support" |
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depends on ARCH_RDA || COMPILE_TEST |
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depends on OF_GPIO |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y here to support RDA Micro GPIO controller. |
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config GPIO_REALTEK_OTTO |
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tristate "Realtek Otto GPIO support" |
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depends on MACH_REALTEK_RTL |
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default MACH_REALTEK_RTL |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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help |
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The GPIO controller on the Otto MIPS platform supports up to two |
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banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs |
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are grouped in four 8-bit wide ports. |
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When built as a module, the module will be called realtek_otto_gpio. |
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config GPIO_REG |
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bool |
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help |
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A 32-bit single register GPIO fixed in/out implementation. This |
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can be used to represent any register as a set of GPIO signals. |
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config GPIO_ROCKCHIP |
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tristate "Rockchip GPIO support" |
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depends on ARCH_ROCKCHIP || COMPILE_TEST |
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select GENERIC_IRQ_CHIP |
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select GPIOLIB_IRQCHIP |
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default ARCH_ROCKCHIP |
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help |
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Say yes here to support GPIO on Rockchip SoCs. |
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config GPIO_SAMA5D2_PIOBU |
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tristate "SAMA5D2 PIOBU GPIO support" |
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depends on MFD_SYSCON |
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depends on OF_GPIO |
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depends on ARCH_AT91 || COMPILE_TEST |
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select GPIO_SYSCON |
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help |
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Say yes here to use the PIOBU pins as GPIOs. |
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|
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PIOBU pins on the SAMA5D2 can be used as GPIOs. |
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The difference from regular GPIOs is that they |
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maintain their value during backup/self-refresh. |
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config GPIO_SIFIVE |
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bool "SiFive GPIO support" |
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depends on OF_GPIO |
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select IRQ_DOMAIN_HIERARCHY |
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select GPIO_GENERIC |
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select GPIOLIB_IRQCHIP |
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select REGMAP_MMIO |
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help |
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Say yes here to support the GPIO device on SiFive SoCs. |
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config GPIO_SIOX |
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tristate "SIOX GPIO support" |
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depends on SIOX |
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select GPIOLIB_IRQCHIP |
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help |
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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 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_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 |
|
select GPIOLIB_IRQCHIP |
|
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 |
|
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_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 "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 && 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_ZYNQMP_MODEPIN |
|
tristate "ZynqMP ps-mode pin GPIO configuration driver" |
|
depends on ZYNQMP_FIRMWARE |
|
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 |
|
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 |
|
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_I8255 |
|
tristate |
|
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 GPIOLIB_IRQCHIP |
|
select GPIO_I8255 |
|
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 |
|
select GPIO_I8255 |
|
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 NCT6116D. |
|
|
|
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 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_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_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_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. |
|
|
|
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_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 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 |
|
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_FSM |
|
tristate "GPIO FSM support" |
|
help |
|
The GPIO FSM driver allows the creation of state machines for |
|
manipulating GPIOs (both real and virtual), with state transitions |
|
triggered by GPIO edges or delays. |
|
|
|
If unsure, say N. |
|
|
|
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_TN48M_CPLD |
|
tristate "Delta Networks TN48M switch CPLD GPIO driver" |
|
depends on MFD_TN48M_CPLD |
|
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_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 QTMX86 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 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 "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 |
|
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 |
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tristate "VirtIO GPIO support" |
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depends on VIRTIO |
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select GPIOLIB_IRQCHIP |
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help |
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Say Y here to enable guest support for virtio-based GPIO controllers. |
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These virtual GPIOs can be routed to real GPIOs or attached to |
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simulators on the host (like QEMU). |
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config GPIO_SIM |
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tristate "GPIO Simulator Module" |
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select IRQ_SIM |
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select CONFIGFS_FS |
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help |
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This enables the GPIO simulator - a configfs-based GPIO testing |
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driver. |
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endmenu |
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endif
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