| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| # GPIO infrastructure and drivers |
| # |
| |
| 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 OF_GPIO_MM_GPIOCHIP |
| bool |
| help |
| This adds support for the legacy 'struct of_mm_gpio_chip' interface |
| from PowerPC. Existing drivers using this interface need to select |
| this symbol, but new drivers should use the generic gpio-regmap |
| infrastructure instead. |
| |
| config DEBUG_GPIO |
| bool "Debug GPIO calls" |
| depends on DEBUG_KERNEL |
| help |
| Say Y here to add some extra checks and diagnostics to GPIO calls. |
| These checks help ensure that GPIOs have been properly initialized |
| before they are used, and that sleeping calls are not made from |
| non-sleeping contexts. They can make bitbanged serial protocols |
| slower. The diagnostics help catch the type of setup errors |
| that are most common when setting up new platforms or boards. |
| |
| config GPIO_SYSFS |
| bool "/sys/class/gpio/... (sysfs interface)" if EXPERT |
| depends on SYSFS |
| select GPIO_CDEV # We need to encourage the new ABI |
| help |
| Say Y here to add the legacy sysfs interface for GPIOs. |
| |
| This ABI is deprecated. If you want to use GPIO from userspace, |
| use the character device /dev/gpiochipN with the appropriate |
| ioctl() operations instead. |
| |
| config GPIO_CDEV |
| bool |
| prompt "Character device (/dev/gpiochipN) support" if EXPERT |
| default y |
| help |
| Say Y here to add the character device /dev/gpiochipN interface |
| for GPIOs. The character device allows userspace to control GPIOs |
| using ioctl() operations. |
| |
| Only say N if you are sure that the GPIO character device is not |
| required. |
| |
| If unsure, say Y. |
| |
| config GPIO_CDEV_V1 |
| bool "Support GPIO ABI Version 1" |
| default y |
| depends on GPIO_CDEV |
| help |
| Say Y here to support version 1 of the GPIO CDEV ABI. |
| |
| This ABI version is deprecated. |
| Please use the latest ABI for new developments. |
| |
| If unsure, say Y. |
| |
| config GPIO_GENERIC |
| depends on HAS_IOMEM # Only for IOMEM drivers |
| tristate |
| |
| config GPIO_REGMAP |
| select REGMAP |
| tristate |
| |
| # put drivers in the right section, in alphabetical order |
| |
| # This symbol is selected by both I2C and SPI expanders |
| config GPIO_MAX730X |
| tristate |
| |
| 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_GPIO |
| select GPIO_GENERIC |
| help |
| Say yes here to support GPIO functionality for 74xx-compatible ICs |
| with MMIO access. Compatible models include: |
| 1 bit: 741G125 (Input), 741G74 (Output) |
| 2 bits: 742G125 (Input), 7474 (Output) |
| 4 bits: 74125 (Input), 74175 (Output) |
| 6 bits: 74365 (Input), 74174 (Output) |
| 8 bits: 74244 (Input), 74273 (Output) |
| 16 bits: 741624 (Input), 7416374 (Output) |
| |
| config GPIO_ALTERA |
| tristate "Altera GPIO" |
| depends on OF_GPIO |
| select GPIOLIB_IRQCHIP |
| select OF_GPIO_MM_GPIOCHIP |
| 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) && OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers. |
| |
| config GPIO_ASPEED_SGPIO |
| bool "Aspeed SGPIO support" |
| depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y here to support Aspeed AST2500 SGPIO functionality. |
| |
| config GPIO_ATH79 |
| tristate "Atheros AR71XX/AR724X/AR913X GPIO support" |
| default y if ATH79 |
| depends on ATH79 || COMPILE_TEST |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Select this option to enable GPIO driver for |
| Atheros AR71XX/AR724X/AR913X SoC devices. |
| |
| config GPIO_RASPBERRYPI_EXP |
| tristate "Raspberry Pi 3 GPIO Expander" |
| default RASPBERRYPI_FIRMWARE |
| depends on OF_GPIO |
| # Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only |
| # happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE. |
| depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) |
| help |
| Turn on GPIO support for the expander on Raspberry Pi 3 boards, using |
| the firmware mailbox to communicate with VideoCore on BCM283x chips. |
| |
| config GPIO_BCM_KONA |
| bool "Broadcom Kona GPIO" |
| depends on ARCH_BCM_MOBILE || COMPILE_TEST |
| help |
| Turn on GPIO support for Broadcom "Kona" chips. |
| |
| config GPIO_BCM_XGS_IPROC |
| tristate "BRCM XGS iProc GPIO support" |
| depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| default ARCH_BCM_IPROC |
| help |
| Say yes here to enable GPIO support for Broadcom XGS iProc SoCs. |
| |
| config GPIO_BRCMSTB |
| tristate "BRCMSTB GPIO support" |
| default y if (ARCH_BRCMSTB || BMIPS_GENERIC) |
| depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) |
| select GPIO_GENERIC |
| select IRQ_DOMAIN |
| help |
| Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. |
| |
| config GPIO_CADENCE |
| tristate "Cadence GPIO support" |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to enable support for Cadence GPIO controller. |
| |
| config GPIO_CLPS711X |
| tristate "CLPS711X GPIO support" |
| depends on ARCH_CLPS711X || COMPILE_TEST |
| select GPIO_GENERIC |
| help |
| Say yes here to support GPIO on CLPS711X SoCs. |
| |
| config GPIO_DAVINCI |
| tristate "TI Davinci/Keystone GPIO support" |
| default y if ARCH_DAVINCI |
| depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) |
| help |
| Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. |
| |
| config GPIO_DWAPB |
| tristate "Synopsys DesignWare APB GPIO driver" |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y or M here to build support for the Synopsys DesignWare APB |
| GPIO block. |
| |
| config GPIO_EIC_SPRD |
| tristate "Spreadtrum EIC support" |
| depends on ARCH_SPRD || COMPILE_TEST |
| depends on OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support Spreadtrum EIC device. |
| |
| config GPIO_EM |
| tristate "Emma Mobile GPIO" |
| depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO |
| help |
| Say yes here to support GPIO on Renesas Emma Mobile SoCs. |
| |
| config GPIO_EN7523 |
| tristate "Airoha GPIO support" |
| depends on ARCH_AIROHA |
| 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 |
| 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_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| default (ARCH_GEMINI || ARCH_MOXART) |
| help |
| Support for common GPIOs from the Faraday FTGPIO010 IP core, found in |
| Cortina systems Gemini platforms, Moxa ART and others. |
| |
| config GPIO_GENERIC_PLATFORM |
| tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" |
| select GPIO_GENERIC |
| help |
| Say yes here to support basic platform_device memory-mapped GPIO controllers. |
| |
| config GPIO_GRGPIO |
| tristate "Aeroflex Gaisler GRGPIO support" |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| select IRQ_DOMAIN |
| help |
| Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB |
| VHDL IP core library. |
| |
| config GPIO_HISI |
| tristate "HiSilicon GPIO controller driver" |
| depends on ARM64 || 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_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Select this to support the GPIO controller of the Nintendo Wii. |
| |
| If unsure, say N. |
| |
| config GPIO_ICH |
| tristate "Intel ICH GPIO" |
| depends on X86 |
| depends on LPC_ICH |
| help |
| Say yes here to support the GPIO functionality of a number of Intel |
| ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 |
| ICH9, ICH10, Series 5/3400 (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 |
| depends on OF |
| 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 |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| 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 OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) |
| select IRQ_DOMAIN_HIERARCHY |
| help |
| Select this option to enable GPIO driver for |
| NXP LPC18XX/43XX devices. |
| |
| config GPIO_LPC32XX |
| tristate "NXP LPC32XX GPIO support" |
| depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST) |
| help |
| Select this option to enable GPIO driver for |
| NXP LPC32XX devices. |
| |
| config GPIO_MB86S7X |
| tristate "GPIO support for Fujitsu MB86S7x Platforms" |
| help |
| Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. |
| |
| config GPIO_MENZ127 |
| tristate "MEN 16Z127 GPIO support" |
| depends on MCB |
| select GPIO_GENERIC |
| help |
| Say yes here to support the MEN 16Z127 GPIO Controller. |
| |
| config GPIO_MM_LANTIQ |
| bool "Lantiq Memory mapped GPIOs" |
| depends on LANTIQ && SOC_XWAY |
| select OF_GPIO_MM_GPIOCHIP |
| 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 |
| select OF_GPIO_MM_GPIOCHIP |
| |
| config GPIO_MPC8XXX |
| bool "MPC512x/MPC8xxx/QorIQ GPIO support" |
| depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ |
| FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ |
| COMPILE_TEST |
| select GPIO_GENERIC |
| select IRQ_DOMAIN |
| help |
| Say Y here if you're going to use hardware that connects to the |
| MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. |
| |
| config GPIO_MT7621 |
| bool "Mediatek MT7621 GPIO Support" |
| depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support the Mediatek MT7621 SoC GPIO device. |
| |
| config GPIO_MVEBU |
| def_bool y |
| depends on PLAT_ORION || ARCH_MVEBU |
| depends on OF_GPIO |
| select GENERIC_IRQ_CHIP |
| select REGMAP_MMIO |
| |
| config GPIO_MXC |
| tristate "i.MX GPIO support" |
| depends on ARCH_MXC || COMPILE_TEST |
| select GPIO_GENERIC |
| select GENERIC_IRQ_CHIP |
| |
| config GPIO_MXS |
| bool "Freescale MXS GPIO support" if COMPILE_TEST |
| depends on ARCH_MXS || COMPILE_TEST |
| default y if ARCH_MXS |
| select GPIO_GENERIC |
| select GENERIC_IRQ_CHIP |
| |
| config GPIO_OCTEON |
| tristate "Cavium OCTEON GPIO" |
| depends on CAVIUM_OCTEON_SOC |
| default y |
| help |
| Say yes here to support the on-chip GPIO lines on the OCTEON |
| family of SOCs. |
| |
| config GPIO_OMAP |
| tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST |
| default y if ARCH_OMAP |
| depends on ARM |
| select GENERIC_IRQ_CHIP |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to enable GPIO support for TI OMAP SoCs. |
| |
| config GPIO_PL061 |
| tristate "PrimeCell PL061 GPIO support" |
| depends on ARM_AMBA |
| select IRQ_DOMAIN |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support the PrimeCell PL061 GPIO device. |
| |
| config GPIO_PXA |
| bool "PXA GPIO support" |
| depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST |
| help |
| Say yes here to support the PXA GPIO device. |
| |
| config GPIO_RCAR |
| tristate "Renesas R-Car and RZ/G GPIO support" |
| depends on ARCH_RENESAS || COMPILE_TEST |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs. |
| |
| config GPIO_RDA |
| bool "RDA Micro GPIO controller support" |
| depends on ARCH_RDA || COMPILE_TEST |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y here to support RDA Micro GPIO controller. |
| |
| config GPIO_REALTEK_OTTO |
| tristate "Realtek Otto GPIO support" |
| depends on MACH_REALTEK_RTL |
| default MACH_REALTEK_RTL |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| The GPIO controller on the Otto MIPS platform supports up to two |
| banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs |
| are grouped in four 8-bit wide ports. |
| |
| When built as a module, the module will be called realtek_otto_gpio. |
| |
| config GPIO_REG |
| bool |
| help |
| A 32-bit single register GPIO fixed in/out implementation. This |
| can be used to represent any register as a set of GPIO signals. |
| |
| config GPIO_ROCKCHIP |
| tristate "Rockchip GPIO support" |
| depends on ARCH_ROCKCHIP || COMPILE_TEST |
| select GENERIC_IRQ_CHIP |
| select GPIOLIB_IRQCHIP |
| default ARCH_ROCKCHIP |
| help |
| Say yes here to support GPIO on Rockchip SoCs. |
| |
| config GPIO_SAMA5D2_PIOBU |
| tristate "SAMA5D2 PIOBU GPIO support" |
| depends on MFD_SYSCON |
| depends on OF_GPIO |
| 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_GPIO |
| select IRQ_DOMAIN_HIERARCHY |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| select REGMAP_MMIO |
| help |
| Say yes here to support the GPIO device on SiFive SoCs. |
| |
| config GPIO_SIOX |
| tristate "SIOX GPIO support" |
| depends on SIOX |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support SIOX I/O devices. These are units connected |
| via a SIOX bus and have a number of fixed-direction I/O lines. |
| |
| config GPIO_SNPS_CREG |
| bool "Synopsys GPIO via CREG (Control REGisters) driver" |
| depends on ARC || COMPILE_TEST |
| depends on OF_GPIO |
| help |
| This driver supports GPIOs via CREG on various Synopsys SoCs. |
| This is a single-register MMIO GPIO driver for complex cases |
| where only several fields in register belong to GPIO lines and |
| each GPIO line owns a field with different length and on/off value. |
| |
| config GPIO_SPEAR_SPICS |
| bool "ST SPEAr13xx SPI Chip Select as GPIO support" |
| depends on PLAT_SPEAR |
| select GENERIC_IRQ_CHIP |
| help |
| Say yes here to support ST SPEAr SPI Chip Select as GPIO device. |
| |
| config GPIO_SPRD |
| tristate "Spreadtrum GPIO support" |
| depends on ARCH_SPRD || COMPILE_TEST |
| depends on OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support Spreadtrum GPIO device. |
| |
| config GPIO_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_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 |
| 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_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 |
| 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 && 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_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 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_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_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_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_ELKHARTLAKE |
| tristate "Intel Elkhart Lake PSE GPIO support" |
| depends on X86 || COMPILE_TEST |
| 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 |
| 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 MFD_LJCA |
| select GPIOLIB_IRQCHIP |
| default MFD_LJCA |
| help |
| Select this option to enable GPIO driver for the INTEL |
| La Jolla Cove Adapter (LJCA) board. |
| |
| This driver can also be built as a module. If so, the module |
| will be called gpio-ljca. |
| |
| config GPIO_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_PMIC_EIC_SPRD |
| tristate "Spreadtrum PMIC EIC support" |
| depends on MFD_SC27XX_PMIC || COMPILE_TEST |
| depends on OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support Spreadtrum PMIC EIC device. |
| |
| config GPIO_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_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 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_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 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" |
| 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_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_MOCKUP |
| tristate "GPIO Testing Driver" |
| select IRQ_SIM |
| help |
| This enables GPIO Testing driver, which provides a way to test GPIO |
| subsystem through sysfs (or char device) and debugfs. |
| User could use it through the script in |
| tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in |
| it. |
| |
| config GPIO_VIRTIO |
| tristate "VirtIO GPIO support" |
| depends on VIRTIO |
| 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" |
| select IRQ_SIM |
| select CONFIGFS_FS |
| help |
| This enables the GPIO simulator - a configfs-based GPIO testing |
| driver. |
| |
| endmenu |
| |
| endif |
