1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2a9c5fff5SDavid Brownell# 3e849dc04SLinus Walleij# GPIO infrastructure and drivers 4a9c5fff5SDavid Brownell# 5a9c5fff5SDavid Brownell 6ef9f21c3SBartosz Golaszewskiconfig GPIOLIB_LEGACY 7ef9f21c3SBartosz Golaszewski def_bool y 8ef9f21c3SBartosz Golaszewski 9a060b8c5SBartosz Golaszewskiconfig HAVE_SHARED_GPIOS 10a060b8c5SBartosz Golaszewski bool 11a060b8c5SBartosz Golaszewski 127444a72eSMichael Bueschmenuconfig GPIOLIB 137444a72eSMichael Buesch bool "GPIO Support" 147444a72eSMichael Buesch help 157444a72eSMichael Buesch This enables GPIO support through the generic GPIO library. 16dd1695a2SRandy Dunlap You only need to enable this if you also want to enable 17e849dc04SLinus Walleij one or more of the GPIO drivers below. 187444a72eSMichael Buesch 197444a72eSMichael Buesch If unsure, say N. 207444a72eSMichael Buesch 21a86240a3SArnd Bergmannif GPIOLIB 22a86240a3SArnd Bergmann 233027743fSLaura Abbottconfig GPIOLIB_FASTPATH_LIMIT 243027743fSLaura Abbott int "Maximum number of GPIOs for fast path" 253027743fSLaura Abbott range 32 512 263027743fSLaura Abbott default 512 273027743fSLaura Abbott help 283027743fSLaura Abbott This adjusts the point at which certain APIs will switch from 293027743fSLaura Abbott using a stack allocated buffer to a dynamically allocated buffer. 303027743fSLaura Abbott 313027743fSLaura Abbott You shouldn't need to change this unless you really need to 323027743fSLaura Abbott optimize either stack space or performance. Change this carefully 333027743fSLaura Abbott since setting an incorrect value could cause stack corruption. 343027743fSLaura Abbott 35f141ed65SGrant Likelyconfig OF_GPIO 36f141ed65SGrant Likely def_bool y 3792c74bceSLinus Walleij depends on OF 382527ecc9SLinus Walleij depends on HAS_IOMEM 39f141ed65SGrant Likely 40e29482e8SMathias Nymanconfig GPIO_ACPI 41e29482e8SMathias Nyman def_bool y 42e29482e8SMathias Nyman depends on ACPI 43e29482e8SMathias Nyman 4414250520SLinus Walleijconfig GPIOLIB_IRQCHIP 45fc346270SLinus Walleij select IRQ_DOMAIN 4614250520SLinus Walleij bool 4714250520SLinus Walleij 48a060b8c5SBartosz Golaszewskiconfig GPIO_SHARED 49a060b8c5SBartosz Golaszewski def_bool y 50a060b8c5SBartosz Golaszewski depends on HAVE_SHARED_GPIOS || COMPILE_TEST 51a060b8c5SBartosz Golaszewski select AUXILIARY_BUS 52a060b8c5SBartosz Golaszewski 53a9c5fff5SDavid Brownellconfig DEBUG_GPIO 54a9c5fff5SDavid Brownell bool "Debug GPIO calls" 55a9c5fff5SDavid Brownell depends on DEBUG_KERNEL 56a9c5fff5SDavid Brownell help 57a9c5fff5SDavid Brownell Say Y here to add some extra checks and diagnostics to GPIO calls. 58692105b8SMatt LaPlante These checks help ensure that GPIOs have been properly initialized 59692105b8SMatt LaPlante before they are used, and that sleeping calls are not made from 60692105b8SMatt LaPlante non-sleeping contexts. They can make bitbanged serial protocols 61a9c5fff5SDavid Brownell slower. The diagnostics help catch the type of setup errors 62a9c5fff5SDavid Brownell that are most common when setting up new platforms or boards. 63a9c5fff5SDavid Brownell 64d8f388d8SDavid Brownellconfig GPIO_SYSFS 653b4feb21SLinus Walleij bool "/sys/class/gpio/... (sysfs interface)" if EXPERT 664c0ea233SKees Cook depends on SYSFS 673b4feb21SLinus Walleij select GPIO_CDEV # We need to encourage the new ABI 68d8f388d8SDavid Brownell help 69db9477f8SLinus Walleij Say Y here to add the legacy sysfs interface for GPIOs. 70d8f388d8SDavid Brownell 71db9477f8SLinus Walleij This ABI is deprecated. If you want to use GPIO from userspace, 72db9477f8SLinus Walleij use the character device /dev/gpiochipN with the appropriate 73d143493cSKent Gibson ioctl() operations instead. 74d143493cSKent Gibson 75e69c6db4SBartosz Golaszewskiconfig GPIO_SYSFS_LEGACY 76e69c6db4SBartosz Golaszewski bool "Enable legacy functionalities of the sysfs interface" 77e69c6db4SBartosz Golaszewski depends on GPIO_SYSFS 78e69c6db4SBartosz Golaszewski default y if GPIO_SYSFS 79e69c6db4SBartosz Golaszewski help 80e69c6db4SBartosz Golaszewski Say Y here if you want to enable the legacy, global GPIO 81e69c6db4SBartosz Golaszewski numberspace-based functionalities of the sysfs interface. 82e69c6db4SBartosz Golaszewski 83d143493cSKent Gibsonconfig GPIO_CDEV 843dcf0643SBartosz Golaszewski bool "Character device (/dev/gpiochipN) support" if EXPERT 85d143493cSKent Gibson default y 86d143493cSKent Gibson help 87d143493cSKent Gibson Say Y here to add the character device /dev/gpiochipN interface 88d143493cSKent Gibson for GPIOs. The character device allows userspace to control GPIOs 89d143493cSKent Gibson using ioctl() operations. 90d143493cSKent Gibson 91d143493cSKent Gibson Only say N if you are sure that the GPIO character device is not 92d143493cSKent Gibson required. 93d143493cSKent Gibson 94d143493cSKent Gibson If unsure, say Y. 95d8f388d8SDavid Brownell 96957ebb61SKent Gibsonconfig GPIO_CDEV_V1 97957ebb61SKent Gibson bool "Support GPIO ABI Version 1" 98957ebb61SKent Gibson default y 99957ebb61SKent Gibson depends on GPIO_CDEV 100957ebb61SKent Gibson help 101957ebb61SKent Gibson Say Y here to support version 1 of the GPIO CDEV ABI. 102957ebb61SKent Gibson 103957ebb61SKent Gibson This ABI version is deprecated. 104957ebb61SKent Gibson Please use the latest ABI for new developments. 105957ebb61SKent Gibson 106957ebb61SKent Gibson If unsure, say Y. 107957ebb61SKent Gibson 108c103de24SGrant Likelyconfig GPIO_GENERIC 1093085a4a4SLinus Walleij depends on HAS_IOMEM # Only for IOMEM drivers 110c103de24SGrant Likely tristate 111c103de24SGrant Likely 112ebe36319SMichael Walleconfig GPIO_REGMAP 113d49765b5SRandy Dunlap select REGMAP 114ebe36319SMichael Walle tristate 115ebe36319SMichael Walle 1169d50f95bSCharles Keepaxconfig GPIO_SWNODE_UNDEFINED 1179d50f95bSCharles Keepax bool 1189d50f95bSCharles Keepax help 1199d50f95bSCharles Keepax This adds a special place holder for software nodes to contain an 1209d50f95bSCharles Keepax undefined GPIO reference, this is primarily used by SPI to allow a 1219d50f95bSCharles Keepax list of GPIO chip selects to mark a certain chip select as being 1229d50f95bSCharles Keepax controlled the SPI device's internal chip select mechanism and not 1239d50f95bSCharles Keepax a GPIO. 1249d50f95bSCharles Keepax 125e849dc04SLinus Walleij# put drivers in the right section, in alphabetical order 126a9c5fff5SDavid Brownell 127177b0381SLinus Walleij# This symbol is selected by both I2C and SPI expanders 128e952805dSWolfram Sangconfig GPIO_MAX730X 129e952805dSWolfram Sang tristate 130e952805dSWolfram Sang 131b9b1fc1aSWilliam Breathitt Grayconfig GPIO_IDIO_16 132b9b1fc1aSWilliam Breathitt Gray tristate 133db022478SWilliam Breathitt Gray select REGMAP_IRQ 134db022478SWilliam Breathitt Gray select GPIOLIB_IRQCHIP 135db022478SWilliam Breathitt Gray select GPIO_REGMAP 136b9b1fc1aSWilliam Breathitt Gray help 137b9b1fc1aSWilliam Breathitt Gray Enables support for the idio-16 library functions. The idio-16 library 138b9b1fc1aSWilliam Breathitt Gray provides functions to facilitate communication with devices within the 139b9b1fc1aSWilliam Breathitt Gray ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16. 140b9b1fc1aSWilliam Breathitt Gray 141b9b1fc1aSWilliam Breathitt Gray If built as a module its name will be gpio-idio-16. 142b9b1fc1aSWilliam Breathitt Gray 143177b0381SLinus Walleijmenu "Memory mapped GPIO drivers" 1443085a4a4SLinus Walleij depends on HAS_IOMEM 1450bcb6069SJohn Linn 146af0a33e2SAlexander Shiyanconfig GPIO_74XX_MMIO 147af0a33e2SAlexander Shiyan tristate "GPIO driver for 74xx-ICs with MMIO access" 148af0a33e2SAlexander Shiyan depends on OF_GPIO 149af0a33e2SAlexander Shiyan select GPIO_GENERIC 150af0a33e2SAlexander Shiyan help 151af0a33e2SAlexander Shiyan Say yes here to support GPIO functionality for 74xx-compatible ICs 152af0a33e2SAlexander Shiyan with MMIO access. Compatible models include: 153af0a33e2SAlexander Shiyan 1 bit: 741G125 (Input), 741G74 (Output) 154af0a33e2SAlexander Shiyan 2 bits: 742G125 (Input), 7474 (Output) 155af0a33e2SAlexander Shiyan 4 bits: 74125 (Input), 74175 (Output) 156af0a33e2SAlexander Shiyan 6 bits: 74365 (Input), 74174 (Output) 157af0a33e2SAlexander Shiyan 8 bits: 74244 (Input), 74273 (Output) 158af0a33e2SAlexander Shiyan 16 bits: 741624 (Input), 7416374 (Output) 159af0a33e2SAlexander Shiyan 160223fa272SLinus Walleijconfig GPIO_ALTERA 161223fa272SLinus Walleij tristate "Altera GPIO" 162223fa272SLinus Walleij select GPIOLIB_IRQCHIP 163223fa272SLinus Walleij help 164223fa272SLinus Walleij Say Y or M here to build support for the Altera PIO device. 165223fa272SLinus Walleij 166223fa272SLinus Walleij If driver is built as a module it will be called gpio-altera. 167223fa272SLinus Walleij 1686057d40fSYD Tsengconfig GPIO_AMDPT 1696057d40fSYD Tseng tristate "AMD Promontory GPIO support" 1706057d40fSYD Tseng depends on ACPI 171574b782eSAxel Lin select GPIO_GENERIC 1726057d40fSYD Tseng help 173dd1695a2SRandy Dunlap Driver for GPIO functionality on Promontory IOHub. 174dd1695a2SRandy Dunlap Requires ACPI ASL code to enumerate as a platform device. 1756057d40fSYD Tseng 176361b7911SJoel Stanleyconfig GPIO_ASPEED 177361b7911SJoel Stanley tristate "Aspeed GPIO support" 178361b7911SJoel Stanley depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO 179361b7911SJoel Stanley select GPIOLIB_IRQCHIP 180361b7911SJoel Stanley help 181361b7911SJoel Stanley Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers. 182361b7911SJoel Stanley 183f8b410e3SLinus Walleijconfig GPIO_ASPEED_SGPIO 184f8b410e3SLinus Walleij bool "Aspeed SGPIO support" 185f8b410e3SLinus Walleij depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO 186f8b410e3SLinus Walleij select GPIO_GENERIC 187f8b410e3SLinus Walleij select GPIOLIB_IRQCHIP 188f8b410e3SLinus Walleij help 189f8b410e3SLinus Walleij Say Y here to support Aspeed AST2500 SGPIO functionality. 190f8b410e3SLinus Walleij 191ab32770eSAlban Bedelconfig GPIO_ATH79 192ab32770eSAlban Bedel tristate "Atheros AR71XX/AR724X/AR913X GPIO support" 193ab32770eSAlban Bedel default y if ATH79 194409d8783SAlban Bedel depends on ATH79 || COMPILE_TEST 195ab32770eSAlban Bedel select GPIO_GENERIC 1962b8f89e1SAlban Bedel select GPIOLIB_IRQCHIP 197ab32770eSAlban Bedel help 198ab32770eSAlban Bedel Select this option to enable GPIO driver for 199ab32770eSAlban Bedel Atheros AR71XX/AR724X/AR913X SoC devices. 200ab32770eSAlban Bedel 201a98d90e7SDave Stevensonconfig GPIO_RASPBERRYPI_EXP 202a98d90e7SDave Stevenson tristate "Raspberry Pi 3 GPIO Expander" 203a98d90e7SDave Stevenson default RASPBERRYPI_FIRMWARE 204a98d90e7SDave Stevenson depends on OF_GPIO 20594337b72SBaruch Siach # Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only 20694337b72SBaruch Siach # happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE. 2077ed91505SArnd Bergmann depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) 208a98d90e7SDave Stevenson help 209a98d90e7SDave Stevenson Turn on GPIO support for the expander on Raspberry Pi 3 boards, using 210a98d90e7SDave Stevenson the firmware mailbox to communicate with VideoCore on BCM283x chips. 211a98d90e7SDave Stevenson 212ea948cffSLinus Walleijconfig GPIO_BCM_KONA 213ea948cffSLinus Walleij bool "Broadcom Kona GPIO" 214c9ab610eSAndy Shevchenko depends on ARCH_BCM_MOBILE || COMPILE_TEST 21586fabf1bSPeng Fan select GPIOLIB_IRQCHIP 216ea948cffSLinus Walleij help 217ea948cffSLinus Walleij Turn on GPIO support for Broadcom "Kona" chips. 218ea948cffSLinus Walleij 2196a41b6c5SChris Packhamconfig GPIO_BCM_XGS_IPROC 2206a41b6c5SChris Packham tristate "BRCM XGS iProc GPIO support" 2216a41b6c5SChris Packham depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) 2226a41b6c5SChris Packham select GPIO_GENERIC 2236a41b6c5SChris Packham select GPIOLIB_IRQCHIP 2246a41b6c5SChris Packham default ARCH_BCM_IPROC 2256a41b6c5SChris Packham help 2266a41b6c5SChris Packham Say yes here to enable GPIO support for Broadcom XGS iProc SoCs. 2276a41b6c5SChris Packham 228602ae04fSNikolaos Pasaloukosconfig GPIO_BLZP1600 229602ae04fSNikolaos Pasaloukos tristate "Blaize BLZP1600 GPIO support" 230602ae04fSNikolaos Pasaloukos default y if ARCH_BLAIZE 231df9b3454SGeert Uytterhoeven depends on ARCH_BLAIZE || COMPILE_TEST 232602ae04fSNikolaos Pasaloukos depends on OF_GPIO 233602ae04fSNikolaos Pasaloukos select GPIO_GENERIC 234602ae04fSNikolaos Pasaloukos select GPIOLIB_IRQCHIP 235602ae04fSNikolaos Pasaloukos help 236602ae04fSNikolaos Pasaloukos Say Y or M here to add support for the Blaize BLZP1600 GPIO device. 237602ae04fSNikolaos Pasaloukos The controller is based on the Verisilicon Microelectronics GPIO APB v0.2 238602ae04fSNikolaos Pasaloukos IP block. 239602ae04fSNikolaos Pasaloukos 2403b0213d5SGregory Fongconfig GPIO_BRCMSTB 2413b0213d5SGregory Fong tristate "BRCMSTB GPIO support" 242a02588a0SFlorian Fainelli default y if (ARCH_BRCMSTB || BMIPS_GENERIC) 243e7ba9d11SPeter Robinson depends on OF_GPIO && (ARCH_BRCMSTB || ARCH_BCM2835 || BMIPS_GENERIC || COMPILE_TEST) 2443b0213d5SGregory Fong select GPIO_GENERIC 2450ba31dc2SDoug Berger select IRQ_DOMAIN 2463b0213d5SGregory Fong help 2473b0213d5SGregory Fong Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. 2483b0213d5SGregory Fong 24972ab2f76SJan Kotasconfig GPIO_CADENCE 25072ab2f76SJan Kotas tristate "Cadence GPIO support" 25172ab2f76SJan Kotas depends on OF_GPIO 25272ab2f76SJan Kotas select GPIO_GENERIC 25372ab2f76SJan Kotas select GPIOLIB_IRQCHIP 25472ab2f76SJan Kotas help 25572ab2f76SJan Kotas Say yes here to enable support for Cadence GPIO controller. 25672ab2f76SJan Kotas 257a3b8d4a5SAlexander Shiyanconfig GPIO_CLPS711X 25855fe14abSAlexander Shiyan tristate "CLPS711X GPIO support" 259ffd4bf1aSAlexander Shiyan depends on ARCH_CLPS711X || COMPILE_TEST 26055fe14abSAlexander Shiyan select GPIO_GENERIC 26155fe14abSAlexander Shiyan help 26255fe14abSAlexander Shiyan Say yes here to support GPIO on CLPS711X SoCs. 263a3b8d4a5SAlexander Shiyan 264ee89cf63SGrygorii Strashkoconfig GPIO_DAVINCI 2658dab99c9SGuillaume La Roque tristate "TI Davinci/Keystone GPIO support" 266ee89cf63SGrygorii Strashko default y if ARCH_DAVINCI 26756d6ff4bSBartosz Golaszewski depends on ((ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)) || COMPILE_TEST 26843475664SPeng Fan select GPIOLIB_IRQCHIP 269ee89cf63SGrygorii Strashko help 270ee89cf63SGrygorii Strashko Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. 271ee89cf63SGrygorii Strashko 2727779b345SJamie Ilesconfig GPIO_DWAPB 2737779b345SJamie Iles tristate "Synopsys DesignWare APB GPIO driver" 2747779b345SJamie Iles select GPIO_GENERIC 2750ea68393SSerge Semin select GPIOLIB_IRQCHIP 2767779b345SJamie Iles help 2777779b345SJamie Iles Say Y or M here to build support for the Synopsys DesignWare APB 2787779b345SJamie Iles GPIO block. 2797779b345SJamie Iles 28025518e02SBaolin Wangconfig GPIO_EIC_SPRD 28125518e02SBaolin Wang tristate "Spreadtrum EIC support" 28225518e02SBaolin Wang depends on ARCH_SPRD || COMPILE_TEST 28325518e02SBaolin Wang depends on OF_GPIO 28425518e02SBaolin Wang select GPIOLIB_IRQCHIP 28525518e02SBaolin Wang help 28625518e02SBaolin Wang Say yes here to support Spreadtrum EIC device. 28725518e02SBaolin Wang 288a07e103eSMagnus Dammconfig GPIO_EM 289a07e103eSMagnus Damm tristate "Emma Mobile GPIO" 29022eaf13cSPeter Robinson depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO 291a07e103eSMagnus Damm help 292a07e103eSMagnus Damm Say yes here to support GPIO on Renesas Emma Mobile SoCs. 293a07e103eSMagnus Damm 2940868ad38SJohn Crispinconfig GPIO_EN7523 2950868ad38SJohn Crispin tristate "Airoha GPIO support" 2960868ad38SJohn Crispin depends on ARCH_AIROHA 2970868ad38SJohn Crispin default ARCH_AIROHA 2980868ad38SJohn Crispin select GPIO_GENERIC 2990868ad38SJohn Crispin select GPIOLIB_IRQCHIP 3000868ad38SJohn Crispin help 3010868ad38SJohn Crispin Say Y or M here to support the GPIO controller block on the 3020868ad38SJohn Crispin Airoha EN7523 SoC. It supports two banks of 32 GPIOs. 3030868ad38SJohn Crispin 304c6b52c13SH Hartley Sweetenconfig GPIO_EP93XX 305c6b52c13SH Hartley Sweeten def_bool y 30674dcb947SBartosz Golaszewski depends on ARCH_EP93XX || COMPILE_TEST 3071e4c8842SH Hartley Sweeten select GPIO_GENERIC 308a419a3d9SLinus Walleij select GPIOLIB_IRQCHIP 309c6b52c13SH Hartley Sweeten 3106596e59eSSudip Mukherjeeconfig GPIO_EXAR 3116596e59eSSudip Mukherjee tristate "Support for GPIO pins on XR17V352/354/358" 3126596e59eSSudip Mukherjee depends on SERIAL_8250_EXAR 31336fb7218SBartosz Golaszewski select REGMAP_MMIO 3146596e59eSSudip Mukherjee help 3156596e59eSSudip Mukherjee Selecting this option will enable handling of GPIO pins present 3166596e59eSSudip Mukherjee on Exar XR17V352/354/358 chips. 3176596e59eSSudip Mukherjee 318223fa272SLinus Walleijconfig GPIO_GE_FPGA 319223fa272SLinus Walleij bool "GE FPGA based GPIO" 32055b47353SAndy Shevchenko depends on GE_FPGA || COMPILE_TEST 321223fa272SLinus Walleij select GPIO_GENERIC 322223fa272SLinus Walleij help 323223fa272SLinus Walleij Support for common GPIO functionality provided on some GE Single Board 324223fa272SLinus Walleij Computers. 325223fa272SLinus Walleij 326223fa272SLinus Walleij This driver provides basic support (configure as input or output, read 327223fa272SLinus Walleij and write pin state) for GPIO implemented in a number of GE single 328223fa272SLinus Walleij board computers. 329223fa272SLinus Walleij 3309d3a15aaSLinus Walleijconfig GPIO_FTGPIO010 3319d3a15aaSLinus Walleij bool "Faraday FTGPIO010 GPIO" 33249cec4d8SLinus Walleij depends on OF_GPIO 33349cec4d8SLinus Walleij select GPIO_GENERIC 33449cec4d8SLinus Walleij select GPIOLIB_IRQCHIP 335d8307c09SLinus Walleij default (ARCH_GEMINI || ARCH_MOXART) 33649cec4d8SLinus Walleij help 3379d3a15aaSLinus Walleij Support for common GPIOs from the Faraday FTGPIO010 IP core, found in 3389d3a15aaSLinus Walleij Cortina systems Gemini platforms, Moxa ART and others. 33949cec4d8SLinus Walleij 340223fa272SLinus Walleijconfig GPIO_GENERIC_PLATFORM 341223fa272SLinus Walleij tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" 342223fa272SLinus Walleij select GPIO_GENERIC 343223fa272SLinus Walleij help 344223fa272SLinus Walleij Say yes here to support basic platform_device memory-mapped GPIO controllers. 345223fa272SLinus Walleij 346ecc4b141SAapo Vienamoconfig GPIO_GRANITERAPIDS 347ecc4b141SAapo Vienamo tristate "Intel Granite Rapids-D vGPIO support" 348ecc4b141SAapo Vienamo depends on X86 || COMPILE_TEST 349ecc4b141SAapo Vienamo select GPIOLIB_IRQCHIP 350ecc4b141SAapo Vienamo help 351ecc4b141SAapo Vienamo Select this to enable virtual GPIO support on platforms with the 352ecc4b141SAapo Vienamo following SoCs: 353ecc4b141SAapo Vienamo 354ecc4b141SAapo Vienamo - Intel Granite Rapids-D 355ecc4b141SAapo Vienamo 356ecc4b141SAapo Vienamo The driver enables basic GPIO functionality and implements interrupt 357ecc4b141SAapo Vienamo support. The virtual GPIO driver controls GPIO lines via a firmware 358ecc4b141SAapo Vienamo interface. The physical GPIO pins reside on device that is external 359ecc4b141SAapo Vienamo from the main SoC package, such as a BMC or a CPLD. 360ecc4b141SAapo Vienamo 361ecc4b141SAapo Vienamo To compile this driver as a module, choose M here: the module will 362ecc4b141SAapo Vienamo be called gpio-graniterapids. 363ecc4b141SAapo Vienamo 364223fa272SLinus Walleijconfig GPIO_GRGPIO 365223fa272SLinus Walleij tristate "Aeroflex Gaisler GRGPIO support" 3665393f40aSGeert Uytterhoeven depends on OF || COMPILE_TEST 367223fa272SLinus Walleij select GPIO_GENERIC 3683dff3563SPeng Fan select GPIOLIB_IRQCHIP 369223fa272SLinus Walleij help 370223fa272SLinus Walleij Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB 371223fa272SLinus Walleij VHDL IP core library. 372223fa272SLinus Walleij 373356b01a9SLuo Jiaxingconfig GPIO_HISI 374356b01a9SLuo Jiaxing tristate "HiSilicon GPIO controller driver" 37580280df7SWeilong Chen depends on ARM64 || COMPILE_TEST 376356b01a9SLuo Jiaxing select GPIO_GENERIC 377356b01a9SLuo Jiaxing select GPIOLIB_IRQCHIP 378356b01a9SLuo Jiaxing help 379356b01a9SLuo Jiaxing Say Y or M here to build support for the HiSilicon GPIO controller 380356b01a9SLuo Jiaxing driver GPIO block. 381dd1695a2SRandy Dunlap This GPIO controller supports double-edge interrupt and multi-core 382356b01a9SLuo Jiaxing concurrent access. 383356b01a9SLuo Jiaxing 3848f55fed3SJonathan Neuschäferconfig GPIO_HLWD 3858f55fed3SJonathan Neuschäfer tristate "Nintendo Wii (Hollywood) GPIO" 3868f55fed3SJonathan Neuschäfer depends on OF_GPIO 3878f55fed3SJonathan Neuschäfer select GPIO_GENERIC 388588de43cSJonathan Neuschäfer select GPIOLIB_IRQCHIP 3898f55fed3SJonathan Neuschäfer help 3908f55fed3SJonathan Neuschäfer Select this to support the GPIO controller of the Nintendo Wii. 3918f55fed3SJonathan Neuschäfer 3928f55fed3SJonathan Neuschäfer If unsure, say N. 3938f55fed3SJonathan Neuschäfer 394223fa272SLinus Walleijconfig GPIO_ICH 395223fa272SLinus Walleij tristate "Intel ICH GPIO" 39629f4c4daSNathan Chancellor depends on (X86 && LPC_ICH) || (COMPILE_TEST && HAS_IOPORT) 397223fa272SLinus Walleij help 398223fa272SLinus Walleij Say yes here to support the GPIO functionality of a number of Intel 399223fa272SLinus Walleij ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 400dd1695a2SRandy Dunlap ICH9, ICH10, Series 5/3400 (e.g. Ibex Peak), Series 6/C200 (e.g. 401223fa272SLinus Walleij Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). 402223fa272SLinus Walleij 403223fa272SLinus Walleij If unsure, say N. 404223fa272SLinus Walleij 4050bd459ddSShenwei Wangconfig GPIO_IMX_SCU 4060bd459ddSShenwei Wang def_bool y 4070bd459ddSShenwei Wang depends on IMX_SCU 4080bd459ddSShenwei Wang 409813e7d36SLinus Walleijconfig GPIO_IXP4XX 410813e7d36SLinus Walleij bool "Intel IXP4xx GPIO" 411b23c22a8SBartosz Golaszewski depends on (ARCH_IXP4XX && OF) || COMPILE_TEST 412813e7d36SLinus Walleij select GPIO_GENERIC 413aa7d618aSLinus Walleij select GPIOLIB_IRQCHIP 414813e7d36SLinus Walleij select IRQ_DOMAIN_HIERARCHY 415813e7d36SLinus Walleij help 416813e7d36SLinus Walleij Say yes here to support the GPIO functionality of a number of Intel 417813e7d36SLinus Walleij IXP4xx series of chips. 418813e7d36SLinus Walleij 419813e7d36SLinus Walleij If unsure, say N. 420c83227a5SLinus Walleij 421c16485adSPaul Kocialkowskiconfig GPIO_LOGICVC 422c16485adSPaul Kocialkowski tristate "Xylon LogiCVC GPIO support" 423c16485adSPaul Kocialkowski depends on MFD_SYSCON && OF 424c16485adSPaul Kocialkowski help 425c16485adSPaul Kocialkowski Say yes here to support GPIO functionality of the Xylon LogiCVC 426c16485adSPaul Kocialkowski programmable logic block. 427813e7d36SLinus Walleij 428223fa272SLinus Walleijconfig GPIO_LOONGSON 429223fa272SLinus Walleij bool "Loongson-2/3 GPIO support" 430268a2d60SJiaxun Yang depends on CPU_LOONGSON2EF || CPU_LOONGSON64 431223fa272SLinus Walleij help 432dd1695a2SRandy Dunlap Driver for GPIO functionality on Loongson-2F/3A/3B processors. 433223fa272SLinus Walleij 4347944d3b7SYinbo Zhuconfig GPIO_LOONGSON_64BIT 4357944d3b7SYinbo Zhu tristate "Loongson 64 bit GPIO support" 4367944d3b7SYinbo Zhu depends on LOONGARCH || COMPILE_TEST 437b96eb88fSYinbo Zhu depends on OF_GPIO 4387944d3b7SYinbo Zhu select GPIO_GENERIC 43903c146cbSYao Zi select GPIOLIB_IRQCHIP 4407944d3b7SYinbo Zhu help 4417944d3b7SYinbo Zhu Say yes here to support the GPIO functionality of a number of 4427944d3b7SYinbo Zhu Loongson series of chips. The Loongson GPIO controller supports 4437944d3b7SYinbo Zhu up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and 4447944d3b7SYinbo Zhu the remaining 56 are reused with other functions, with edge or 4457944d3b7SYinbo Zhu level triggered interrupts. 4467944d3b7SYinbo Zhu 44713a43fd9SJoachim Eastwoodconfig GPIO_LPC18XX 44854b72998SPaul Gortmaker tristate "NXP LPC18XX/43XX GPIO support" 44913a43fd9SJoachim Eastwood default y if ARCH_LPC18XX 45013a43fd9SJoachim Eastwood depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) 4515ddabfe8SVladimir Zapolskiy select IRQ_DOMAIN_HIERARCHY 45201e4397dSPeng Fan select GPIOLIB_IRQCHIP 45313a43fd9SJoachim Eastwood help 45413a43fd9SJoachim Eastwood Select this option to enable GPIO driver for 45513a43fd9SJoachim Eastwood NXP LPC18XX/43XX devices. 45613a43fd9SJoachim Eastwood 457f2ee7314SArnd Bergmannconfig GPIO_LPC32XX 458f2ee7314SArnd Bergmann tristate "NXP LPC32XX GPIO support" 459f2ee7314SArnd Bergmann depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST) 460f2ee7314SArnd Bergmann help 461f2ee7314SArnd Bergmann Select this option to enable GPIO driver for 462f2ee7314SArnd Bergmann NXP LPC32XX devices. 463f2ee7314SArnd Bergmann 4640da094d8SJassi Brarconfig GPIO_MB86S7X 465e1289dbaSArd Biesheuvel tristate "GPIO support for Fujitsu MB86S7x Platforms" 4660da094d8SJassi Brar help 4670da094d8SJassi Brar Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. 4689af4d80bSFabian Vogt 469f436bc27SAndreas Wernerconfig GPIO_MENZ127 470f436bc27SAndreas Werner tristate "MEN 16Z127 GPIO support" 471f436bc27SAndreas Werner depends on MCB 472f436bc27SAndreas Werner select GPIO_GENERIC 473f436bc27SAndreas Werner help 474dd1695a2SRandy Dunlap Say yes here to support the MEN 16Z127 GPIO Controller. 475f436bc27SAndreas Werner 4765238f7bcSJohn Crispinconfig GPIO_MM_LANTIQ 4775238f7bcSJohn Crispin bool "Lantiq Memory mapped GPIOs" 4785238f7bcSJohn Crispin depends on LANTIQ && SOC_XWAY 4795238f7bcSJohn Crispin help 4805238f7bcSJohn Crispin This enables support for memory mapped GPIOs on the External Bus Unit 481dd1695a2SRandy Dunlap (EBU) found on Lantiq SoCs. The GPIOs are output only as they are 482dd1695a2SRandy Dunlap created by attaching a 16-bit latch to the bus. 4835238f7bcSJohn Crispin 4846eae1aceSGrant Likelyconfig GPIO_MPC5200 4856eae1aceSGrant Likely def_bool y 4866eae1aceSGrant Likely depends on PPC_MPC52xx 4876eae1aceSGrant Likely 488c68308ddSWolfram Sangconfig GPIO_MPC8XXX 4895df7fd46SLiu Gang bool "MPC512x/MPC8xxx/QorIQ GPIO support" 490c68308ddSWolfram Sang depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ 4915df7fd46SLiu Gang FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ 4925df7fd46SLiu Gang COMPILE_TEST 4935df7fd46SLiu Gang select GPIO_GENERIC 4948da238b1SBartosz Golaszewski select GPIOLIB_IRQCHIP 495c68308ddSWolfram Sang help 496c68308ddSWolfram Sang Say Y here if you're going to use hardware that connects to the 4975df7fd46SLiu Gang MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. 498c68308ddSWolfram Sang 4994ba9c3afSSergio Paracuellosconfig GPIO_MT7621 5004ba9c3afSSergio Paracuellos bool "Mediatek MT7621 GPIO Support" 5014ba9c3afSSergio Paracuellos depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST 5027a9a5df0SArnd Bergmann depends on OF_GPIO 5034ba9c3afSSergio Paracuellos select GPIO_GENERIC 5044ba9c3afSSergio Paracuellos select GPIOLIB_IRQCHIP 5054ba9c3afSSergio Paracuellos help 506dd1695a2SRandy Dunlap Say yes here to support the Mediatek MT7621 SoC GPIO device. 5074ba9c3afSSergio Paracuellos 508fefe7b09SThomas Petazzoniconfig GPIO_MVEBU 50970327137SGeert Uytterhoeven bool "Marvell Orion and EBU GPIO support" if COMPILE_TEST 510956ee0c5SBartosz Golaszewski depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 51170327137SGeert Uytterhoeven default PLAT_ORION || ARCH_MVEBU 512fefe7b09SThomas Petazzoni select GENERIC_IRQ_CHIP 513f37e335fSGregory CLEMENT select REGMAP_MMIO 514fefe7b09SThomas Petazzoni 515d37a65bbSShawn Guoconfig GPIO_MXC 51612d16b39SAnson Huang tristate "i.MX GPIO support" 517d4e93614SAnson Huang depends on ARCH_MXC || COMPILE_TEST 518c103de24SGrant Likely select GPIO_GENERIC 519e4ea9333SShawn Guo select GENERIC_IRQ_CHIP 520c103de24SGrant Likely 521c103de24SGrant Likelyconfig GPIO_MXS 52297c6e28dSGeert Uytterhoeven bool "Freescale MXS GPIO support" if COMPILE_TEST 5236876ca31SAnson Huang depends on ARCH_MXS || COMPILE_TEST 52497c6e28dSGeert Uytterhoeven default y if ARCH_MXS 52506f88a8aSShawn Guo select GPIO_GENERIC 526498c17cfSShawn Guo select GENERIC_IRQ_CHIP 527d37a65bbSShawn Guo 528966942aeSThéo Lebrunconfig GPIO_NOMADIK 529966942aeSThéo Lebrun bool "Nomadik GPIO driver" 5303c30cc26SThéo Lebrun depends on ARCH_U8500 || ARCH_NOMADIK || MACH_EYEQ5 || COMPILE_TEST 531966942aeSThéo Lebrun select GPIOLIB_IRQCHIP 532966942aeSThéo Lebrun help 5333c30cc26SThéo Lebrun Say yes here to support the Nomadik SoC GPIO block. This block is also 5343c30cc26SThéo Lebrun used by the Mobileye EyeQ5 SoC. 535966942aeSThéo Lebrun 536966942aeSThéo Lebrun It handles up to 32 GPIOs per bank, that can all be interrupt sources. 537966942aeSThéo Lebrun It is deeply interconnected with the associated pinctrl driver as GPIO 538966942aeSThéo Lebrun registers handle muxing ("alternate functions") as well. 539966942aeSThéo Lebrun 540c4f8457dSJim Liuconfig GPIO_NPCM_SGPIO 541c4f8457dSJim Liu bool "Nuvoton SGPIO support" 542c4f8457dSJim Liu depends on ARCH_NPCM || COMPILE_TEST 543c4f8457dSJim Liu select GPIOLIB_IRQCHIP 544c4f8457dSJim Liu help 545c4f8457dSJim Liu Say Y here to support Nuvoton NPCM7XX/NPCM8XX SGPIO functionality. 546c4f8457dSJim Liu 547aca58a66SDavid Daneyconfig GPIO_OCTEON 548aca58a66SDavid Daney tristate "Cavium OCTEON GPIO" 549e4c6a52cSGeert Uytterhoeven depends on CAVIUM_OCTEON_SOC 550aca58a66SDavid Daney default y 551aca58a66SDavid Daney help 552aca58a66SDavid Daney Say yes here to support the on-chip GPIO lines on the OCTEON 553aca58a66SDavid Daney family of SOCs. 554aca58a66SDavid Daney 555cd0a3748SJavier Martinez Canillasconfig GPIO_OMAP 556934bacb6SBartosz Golaszewski tristate "TI OMAP GPIO support" 557934bacb6SBartosz Golaszewski depends on ARCH_OMAP || COMPILE_TEST 558cd0a3748SJavier Martinez Canillas default y if ARCH_OMAP 5599d5d96efSArnd Bergmann select GENERIC_IRQ_CHIP 560fb655f57SJavier Martinez Canillas select GPIOLIB_IRQCHIP 561cd0a3748SJavier Martinez Canillas help 562cd0a3748SJavier Martinez Canillas Say yes here to enable GPIO support for TI OMAP SoCs. 563cd0a3748SJavier Martinez Canillas 5641e9c2859SBaruch Siachconfig GPIO_PL061 56561684440SRob Herring tristate "PrimeCell PL061 GPIO support" 566bcb4be09SBartosz Golaszewski depends on ARM_AMBA || COMPILE_TEST 567a5d6d271SAxel Lin select IRQ_DOMAIN 5688d5b24bdSLinus Walleij select GPIOLIB_IRQCHIP 5691e9c2859SBaruch Siach help 570dd1695a2SRandy Dunlap Say yes here to support the PrimeCell PL061 GPIO device. 5711e9c2859SBaruch Siach 572a987b78fSLewis Hanlyconfig GPIO_POLARFIRE_SOC 573a987b78fSLewis Hanly bool "Microchip FPGA GPIO support" 574a987b78fSLewis Hanly select REGMAP_MMIO 575a987b78fSLewis Hanly help 576a987b78fSLewis Hanly Say yes here to support the GPIO controllers on Microchip FPGAs. 577a987b78fSLewis Hanly 578157d2644SHaojian Zhuangconfig GPIO_PXA 579157d2644SHaojian Zhuang bool "PXA GPIO support" 58022e4ebd0STiezhu Yang depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST 581e2d9a7eaSBartosz Golaszewski select GPIOLIB_IRQCHIP 582157d2644SHaojian Zhuang help 583dd1695a2SRandy Dunlap Say yes here to support the PXA GPIO device. 584157d2644SHaojian Zhuang 585119f5e44SMagnus Dammconfig GPIO_RCAR 586032653efSLad Prabhakar tristate "Renesas R-Car and RZ/G GPIO support" 5872af66e1dSSimon Horman depends on ARCH_RENESAS || COMPILE_TEST 588c7f3c5d3SGeert Uytterhoeven select GPIOLIB_IRQCHIP 589119f5e44SMagnus Damm help 590032653efSLad Prabhakar Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs. 591119f5e44SMagnus Damm 592d57eb825SManivannan Sadhasivamconfig GPIO_RDA 593d57eb825SManivannan Sadhasivam bool "RDA Micro GPIO controller support" 594d57eb825SManivannan Sadhasivam depends on ARCH_RDA || COMPILE_TEST 595d57eb825SManivannan Sadhasivam depends on OF_GPIO 596d57eb825SManivannan Sadhasivam select GPIO_GENERIC 597d57eb825SManivannan Sadhasivam select GPIOLIB_IRQCHIP 598d57eb825SManivannan Sadhasivam help 599d57eb825SManivannan Sadhasivam Say Y here to support RDA Micro GPIO controller. 600d57eb825SManivannan Sadhasivam 6010d82fb11SSander Vanheuleconfig GPIO_REALTEK_OTTO 6020d82fb11SSander Vanheule tristate "Realtek Otto GPIO support" 6030d82fb11SSander Vanheule depends on MACH_REALTEK_RTL 6040d82fb11SSander Vanheule default MACH_REALTEK_RTL 6050d82fb11SSander Vanheule select GPIO_GENERIC 6060d82fb11SSander Vanheule select GPIOLIB_IRQCHIP 6070d82fb11SSander Vanheule help 6080d82fb11SSander Vanheule The GPIO controller on the Otto MIPS platform supports up to two 6090d82fb11SSander Vanheule banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs 6100d82fb11SSander Vanheule are grouped in four 8-bit wide ports. 6110d82fb11SSander Vanheule 6120d82fb11SSander Vanheule When built as a module, the module will be called realtek_otto_gpio. 6130d82fb11SSander Vanheule 614380639c7SRussell Kingconfig GPIO_REG 615380639c7SRussell King bool 616380639c7SRussell King help 617380639c7SRussell King A 32-bit single register GPIO fixed in/out implementation. This 618380639c7SRussell King can be used to represent any register as a set of GPIO signals. 619380639c7SRussell King 620936ee267SJianqun Xuconfig GPIO_ROCKCHIP 621936ee267SJianqun Xu tristate "Rockchip GPIO support" 622936ee267SJianqun Xu depends on ARCH_ROCKCHIP || COMPILE_TEST 623d6912b12SRandy Dunlap select GENERIC_IRQ_CHIP 624936ee267SJianqun Xu select GPIOLIB_IRQCHIP 625936ee267SJianqun Xu default ARCH_ROCKCHIP 626936ee267SJianqun Xu help 627936ee267SJianqun Xu Say yes here to support GPIO on Rockchip SoCs. 628936ee267SJianqun Xu 629eee636bfSTzuyi Changconfig GPIO_RTD 630eee636bfSTzuyi Chang tristate "Realtek DHC GPIO support" 6313d1c5b62SBartosz Golaszewski depends on ARCH_REALTEK || COMPILE_TEST 632eee636bfSTzuyi Chang default y 633eee636bfSTzuyi Chang select GPIOLIB_IRQCHIP 634eee636bfSTzuyi Chang help 635eee636bfSTzuyi Chang This option enables support for GPIOs found on Realtek DHC(Digital 636eee636bfSTzuyi Chang Home Center) SoCs family, including RTD1295, RTD1315E, RTD1319, 637eee636bfSTzuyi Chang RTD1319D, RTD1395, RTD1619 and RTD1619B. 638eee636bfSTzuyi Chang 639eee636bfSTzuyi Chang Say yes here to support GPIO functionality and GPIO interrupt on 640eee636bfSTzuyi Chang Realtek DHC SoCs. 641eee636bfSTzuyi Chang 642fb0b35d3SAndrei.Stefanescu@microchip.comconfig GPIO_SAMA5D2_PIOBU 643fb0b35d3SAndrei.Stefanescu@microchip.com tristate "SAMA5D2 PIOBU GPIO support" 644fb0b35d3SAndrei.Stefanescu@microchip.com depends on MFD_SYSCON 645a7c23f8dSLinus Walleij depends on OF_GPIO 646b06d7b45SGeert Uytterhoeven depends on ARCH_AT91 || COMPILE_TEST 647fb0b35d3SAndrei.Stefanescu@microchip.com select GPIO_SYSCON 648fb0b35d3SAndrei.Stefanescu@microchip.com help 649fb0b35d3SAndrei.Stefanescu@microchip.com Say yes here to use the PIOBU pins as GPIOs. 650fb0b35d3SAndrei.Stefanescu@microchip.com 651fb0b35d3SAndrei.Stefanescu@microchip.com PIOBU pins on the SAMA5D2 can be used as GPIOs. 652fb0b35d3SAndrei.Stefanescu@microchip.com The difference from regular GPIOs is that they 653fb0b35d3SAndrei.Stefanescu@microchip.com maintain their value during backup/self-refresh. 654fb0b35d3SAndrei.Stefanescu@microchip.com 65596868dceSYash Shahconfig GPIO_SIFIVE 6566b4c76deSSamuel Holland tristate "SiFive GPIO support" 65718eedf2bSRandy Dunlap depends on OF_GPIO 65818eedf2bSRandy Dunlap select IRQ_DOMAIN_HIERARCHY 65996868dceSYash Shah select GPIO_GENERIC 66096868dceSYash Shah select GPIOLIB_IRQCHIP 66196868dceSYash Shah select REGMAP_MMIO 66296868dceSYash Shah help 66396868dceSYash Shah Say yes here to support the GPIO device on SiFive SoCs. 66496868dceSYash Shah 665be8c8facSUwe Kleine-Königconfig GPIO_SIOX 666be8c8facSUwe Kleine-König tristate "SIOX GPIO support" 667be8c8facSUwe Kleine-König depends on SIOX 668be8c8facSUwe Kleine-König select GPIOLIB_IRQCHIP 669be8c8facSUwe Kleine-König help 670be8c8facSUwe Kleine-König Say yes here to support SIOX I/O devices. These are units connected 671be8c8facSUwe Kleine-König via a SIOX bus and have a number of fixed-direction I/O lines. 672be8c8facSUwe Kleine-König 6732505c7b0SEugeniy Paltsevconfig GPIO_SNPS_CREG 6742505c7b0SEugeniy Paltsev bool "Synopsys GPIO via CREG (Control REGisters) driver" 6752505c7b0SEugeniy Paltsev depends on ARC || COMPILE_TEST 676a7c0b4b8SRandy Dunlap depends on OF_GPIO 6772505c7b0SEugeniy Paltsev help 6782505c7b0SEugeniy Paltsev This driver supports GPIOs via CREG on various Synopsys SoCs. 6792505c7b0SEugeniy Paltsev This is a single-register MMIO GPIO driver for complex cases 6802505c7b0SEugeniy Paltsev where only several fields in register belong to GPIO lines and 6812505c7b0SEugeniy Paltsev each GPIO line owns a field with different length and on/off value. 6822505c7b0SEugeniy Paltsev 683d0055324SYixun Lanconfig GPIO_SPACEMIT_K1 684d0055324SYixun Lan tristate "SPACEMIT K1 GPIO support" 685d0055324SYixun Lan depends on ARCH_SPACEMIT || COMPILE_TEST 686d0055324SYixun Lan depends on OF_GPIO 687d0055324SYixun Lan select GPIO_GENERIC 688d0055324SYixun Lan select GPIOLIB_IRQCHIP 689d0055324SYixun Lan help 690d0055324SYixun Lan Say yes here to support the SpacemiT's K1 GPIO device. 691d0055324SYixun Lan 692b53bc281SShiraz Hashimconfig GPIO_SPEAR_SPICS 693b53bc281SShiraz Hashim bool "ST SPEAr13xx SPI Chip Select as GPIO support" 694b53bc281SShiraz Hashim depends on PLAT_SPEAR 695b53bc281SShiraz Hashim select GENERIC_IRQ_CHIP 696b53bc281SShiraz Hashim help 697dd1695a2SRandy Dunlap Say yes here to support ST SPEAr SPI Chip Select as GPIO device. 698b53bc281SShiraz Hashim 6999a3821c2SBaolin Wangconfig GPIO_SPRD 7009a3821c2SBaolin Wang tristate "Spreadtrum GPIO support" 7019a3821c2SBaolin Wang depends on ARCH_SPRD || COMPILE_TEST 7029a3821c2SBaolin Wang depends on OF_GPIO 7039a3821c2SBaolin Wang select GPIOLIB_IRQCHIP 7049a3821c2SBaolin Wang help 7059a3821c2SBaolin Wang Say yes here to support Spreadtrum GPIO device. 7069a3821c2SBaolin Wang 707be9cab5bSLinus Walleijconfig GPIO_STP_XWAY 708be9cab5bSLinus Walleij bool "XWAY STP GPIOs" 7095099837dSMartin Blumenstingl depends on SOC_XWAY || COMPILE_TEST 7105099837dSMartin Blumenstingl depends on OF_GPIO 711be9cab5bSLinus Walleij help 712be9cab5bSLinus Walleij This enables support for the Serial To Parallel (STP) unit found on 713be9cab5bSLinus Walleij XWAY SoC. The STP allows the SoC to drive a shift registers cascade, 714dd1695a2SRandy Dunlap that can be up to 24 bits. This peripheral is aimed at driving LEDs. 715dd1695a2SRandy Dunlap Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and 716be9cab5bSLinus Walleij phy status. 717be9cab5bSLinus Walleij 7186a8a0c1dSAlexander Shiyanconfig GPIO_SYSCON 7196a8a0c1dSAlexander Shiyan tristate "GPIO based on SYSCON" 7206a8a0c1dSAlexander Shiyan depends on MFD_SYSCON && OF 7216a8a0c1dSAlexander Shiyan help 7226a8a0c1dSAlexander Shiyan Say yes here to support GPIO functionality though SYSCON driver. 7236a8a0c1dSAlexander Shiyan 724d2c19e89SPandith Nconfig GPIO_TANGIER 725d2c19e89SPandith N tristate 726d2c19e89SPandith N select GPIOLIB_IRQCHIP 727d2c19e89SPandith N help 728d2c19e89SPandith N GPIO support for Intel Tangier and compatible platforms. 72934840be5SPandith N Currently supported: 7309409d8cfSPandith N - Elkhart Lake 73134840be5SPandith N - Merrifield 732d2c19e89SPandith N 733d2c19e89SPandith N If built as a module its name will be gpio-tangier. 734d2c19e89SPandith N 735223fa272SLinus Walleijconfig GPIO_TB10X 736682fbb18SBartosz Golaszewski bool "Abilis Systems TB10x GPIO controller" 737682fbb18SBartosz Golaszewski depends on ARC_PLAT_TB10X || COMPILE_TEST 7380d1e31abSLinus Walleij select GPIO_GENERIC 739223fa272SLinus Walleij select GENERIC_IRQ_CHIP 740223fa272SLinus Walleij 7414dd4dd1dSAlexander Steinconfig GPIO_TEGRA 7424a6eac2bSDmitry Osipenko tristate "NVIDIA Tegra GPIO support" 7430bfb85c6SArnd Bergmann default ARCH_TEGRA 7444dd4dd1dSAlexander Stein depends on ARCH_TEGRA || COMPILE_TEST 745048c28c9SLinus Walleij depends on OF_GPIO 746298d75c9SThierry Reding select GPIOLIB_IRQCHIP 747298d75c9SThierry Reding select IRQ_DOMAIN_HIERARCHY 7480bfb85c6SArnd Bergmann help 7490bfb85c6SArnd Bergmann Say yes here to support GPIO pins on NVIDIA Tegra SoCs. 7504dd4dd1dSAlexander Stein 7515b2b135aSThierry Redingconfig GPIO_TEGRA186 7525b2b135aSThierry Reding tristate "NVIDIA Tegra186 GPIO support" 753bef29ca3SLars-Peter Clausen default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC 754bef29ca3SLars-Peter Clausen depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC || COMPILE_TEST 7555b2b135aSThierry Reding depends on OF_GPIO 7565b2b135aSThierry Reding select GPIOLIB_IRQCHIP 7572a365505SThierry Reding select IRQ_DOMAIN_HIERARCHY 7585b2b135aSThierry Reding help 759bef29ca3SLars-Peter Clausen Say yes here to support GPIO pins on NVIDIA Tegra186, 194 and 234 SoCs. 7605b2b135aSThierry Reding 7615041e791SJulien Grossholtzconfig GPIO_TS4800 7625041e791SJulien Grossholtz tristate "TS-4800 DIO blocks and compatibles" 7635041e791SJulien Grossholtz depends on OF_GPIO 7646dcfd729SJulien Grossholtz depends on SOC_IMX51 || COMPILE_TEST 7655041e791SJulien Grossholtz select GPIO_GENERIC 7665041e791SJulien Grossholtz help 7675041e791SJulien Grossholtz This driver support TS-4800 FPGA GPIO controllers. 7685041e791SJulien Grossholtz 7695a2a3002SDavid Daneyconfig GPIO_THUNDERX 7705a2a3002SDavid Daney tristate "Cavium ThunderX/OCTEON-TX GPIO" 7715a2a3002SDavid Daney depends on ARCH_THUNDER || (64BIT && COMPILE_TEST) 772311de3ceSMasahiro Yamada depends on PCI_MSI 773a7fc89f9SLinus Walleij select GPIOLIB_IRQCHIP 774311de3ceSMasahiro Yamada select IRQ_DOMAIN_HIERARCHY 7755a2a3002SDavid Daney select IRQ_FASTEOI_HIERARCHY_HANDLERS 7765a2a3002SDavid Daney help 7775a2a3002SDavid Daney Say yes here to support the on-chip GPIO lines on the ThunderX 7785a2a3002SDavid Daney and OCTEON-TX families of SoCs. 7795a2a3002SDavid Daney 780dbe776c2SMasahiro Yamadaconfig GPIO_UNIPHIER 781dbe776c2SMasahiro Yamada tristate "UniPhier GPIO support" 782dbe776c2SMasahiro Yamada depends on ARCH_UNIPHIER || COMPILE_TEST 783dbe776c2SMasahiro Yamada depends on OF_GPIO 784dbe776c2SMasahiro Yamada select IRQ_DOMAIN_HIERARCHY 785dbe776c2SMasahiro Yamada help 786dbe776c2SMasahiro Yamada Say yes here to support UniPhier GPIOs. 787dbe776c2SMasahiro Yamada 7887f2691a1SStefan Agnerconfig GPIO_VF610 78973dc041fSJindong Yue tristate "VF610 GPIO support" 790f5759578SMartin Kaiser default y if SOC_VF610 7913eac8bbeSMartin Kaiser depends on ARCH_MXC || COMPILE_TEST 7927f2691a1SStefan Agner select GPIOLIB_IRQCHIP 793da5dd31eSLinus Walleij select GPIO_GENERIC 7947f2691a1SStefan Agner help 79530a35c07SPeng Fan Say yes here to support i.MX or Vybrid vf610 GPIOs. 7967f2691a1SStefan Agner 7972ad74f40SNobuhiro Iwamatsuconfig GPIO_VISCONTI 7982ad74f40SNobuhiro Iwamatsu tristate "Toshiba Visconti GPIO support" 7992ad74f40SNobuhiro Iwamatsu depends on ARCH_VISCONTI || COMPILE_TEST 8002ad74f40SNobuhiro Iwamatsu depends on OF_GPIO 8012ad74f40SNobuhiro Iwamatsu select GPIOLIB_IRQCHIP 8022ad74f40SNobuhiro Iwamatsu select GPIO_GENERIC 8032ad74f40SNobuhiro Iwamatsu select IRQ_DOMAIN_HIERARCHY 8042ad74f40SNobuhiro Iwamatsu help 8052ad74f40SNobuhiro Iwamatsu Say yes here to support GPIO on Tohisba Visconti. 8062ad74f40SNobuhiro Iwamatsu 80759c32468SSrinivas Kandagatlaconfig GPIO_WCD934X 808dd1695a2SRandy Dunlap tristate "Qualcomm Technologies Inc WCD9340/WCD9341 GPIO controller driver" 80959c32468SSrinivas Kandagatla depends on MFD_WCD934X && OF_GPIO 81059c32468SSrinivas Kandagatla help 8110bb8e80bSColin Ian King This driver is to support GPIO block found on the Qualcomm Technologies 81259c32468SSrinivas Kandagatla Inc WCD9340/WCD9341 Audio Codec. 81359c32468SSrinivas Kandagatla 81429cbf458SFeng Kanconfig GPIO_XGENE 81529cbf458SFeng Kan bool "APM X-Gene GPIO controller support" 81629cbf458SFeng Kan depends on ARM64 && OF_GPIO 81729cbf458SFeng Kan help 81829cbf458SFeng Kan This driver is to support the GPIO block within the APM X-Gene SoC 81929cbf458SFeng Kan platform's generic flash controller. The GPIO pins are muxed with 82029cbf458SFeng Kan the generic flash controller's address and data pins. Say yes 82129cbf458SFeng Kan here to enable the GFC GPIO functionality. 82229cbf458SFeng Kan 823b2b35e10SY Voconfig GPIO_XGENE_SB 824b2b35e10SY Vo tristate "APM X-Gene GPIO standby controller support" 825b24bc583SAndy Shevchenko depends on (ARCH_XGENE || COMPILE_TEST) 826b2b35e10SY Vo select GPIO_GENERIC 827e5f7e312SMatthias Brugger select GPIOLIB_IRQCHIP 828c23d200fSMasahiro Yamada select IRQ_DOMAIN_HIERARCHY 829b2b35e10SY Vo help 830b2b35e10SY Vo This driver supports the GPIO block within the APM X-Gene 831b2b35e10SY Vo Standby Domain. Say yes here to enable the GPIO functionality. 832b2b35e10SY Vo 8330bcb6069SJohn Linnconfig GPIO_XILINX 834c54c58baSRicardo Ribalda Delgado tristate "Xilinx GPIO support" 835a32c7caeSSrinivas Neeli select GPIOLIB_IRQCHIP 8360bcb6069SJohn Linn help 837dd1695a2SRandy Dunlap Say yes here to support the Xilinx FPGA GPIO device. 8380bcb6069SJohn Linn 839ff718800SKamlakant Patelconfig GPIO_XLP 840ea708ac5SRob Herring tristate "Cavium ThunderX2 GPIO support" 841ea708ac5SRob Herring depends on ARCH_THUNDER2 || COMPILE_TEST 842ff718800SKamlakant Patel select GPIOLIB_IRQCHIP 843ff718800SKamlakant Patel help 844ea708ac5SRob Herring This driver provides support for GPIO interface on Cavium's ThunderX2 845ea708ac5SRob Herring CN99XX SoCs (Originally from Netlogic XLP). 846ff718800SKamlakant Patel 847ff718800SKamlakant Patel If unsure, say N. 848ff718800SKamlakant Patel 8493b31d0ecSBaruch Siachconfig GPIO_XTENSA 8503b31d0ecSBaruch Siach bool "Xtensa GPIO32 support" 8513b31d0ecSBaruch Siach depends on XTENSA 852a1a2bdecSBaruch Siach depends on HAVE_XTENSA_GPIO32 8533b31d0ecSBaruch Siach depends on !SMP 8543b31d0ecSBaruch Siach help 8553b31d0ecSBaruch Siach Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input) 856dd1695a2SRandy Dunlap and EXPSTATE (output) ports. 8573b31d0ecSBaruch Siach 858223fa272SLinus Walleijconfig GPIO_ZEVIO 859223fa272SLinus Walleij bool "LSI ZEVIO SoC memory mapped GPIOs" 8609c8224d0SAndy Shevchenko depends on ARM 86127fdd325SYoichi Yuasa help 862223fa272SLinus Walleij Say yes here to support the GPIO controller in LSI ZEVIO SoCs. 86327fdd325SYoichi Yuasa 864223fa272SLinus Walleijconfig GPIO_ZYNQ 865223fa272SLinus Walleij tristate "Xilinx Zynq GPIO support" 8666273ef35SBartosz Golaszewski depends on ARCH_ZYNQ || ARCH_ZYNQMP || COMPILE_TEST 8677f87210eSMika Westerberg select GPIOLIB_IRQCHIP 8681d09aaa6SMathias Nyman help 869223fa272SLinus Walleij Say yes here to support Xilinx Zynq GPIO controller. 8701d09aaa6SMathias Nyman 8717687a5b0SPiyush Mehtaconfig GPIO_ZYNQMP_MODEPIN 872dd1695a2SRandy Dunlap tristate "ZynqMP ps-mode pin GPIO configuration driver" 8736273ef35SBartosz Golaszewski depends on ZYNQMP_FIRMWARE || COMPILE_TEST 8747687a5b0SPiyush Mehta default ZYNQMP_FIRMWARE 8757687a5b0SPiyush Mehta help 876dd1695a2SRandy Dunlap Say yes here to support the ZynqMP ps-mode pin GPIO configuration 8777687a5b0SPiyush Mehta driver. 8787687a5b0SPiyush Mehta 879dd1695a2SRandy Dunlap This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE 8807687a5b0SPiyush Mehta is 4-bits boot mode pins. It sets and gets the status of 8817687a5b0SPiyush Mehta the ps-mode pin. Every pin can be configured as input/output. 8827687a5b0SPiyush Mehta 883bd37c999SKelvin Cheungconfig GPIO_LOONGSON1 884bd37c999SKelvin Cheung tristate "Loongson1 GPIO support" 88580d7319cSBartosz Golaszewski depends on MACH_LOONGSON32 || COMPILE_TEST 886bd37c999SKelvin Cheung select GPIO_GENERIC 887bd37c999SKelvin Cheung help 888bd37c999SKelvin Cheung Say Y or M here to support GPIO on Loongson1 SoCs. 889bd37c999SKelvin Cheung 890e09d168fSEnrico Weigelt, metux IT consultconfig GPIO_AMD_FCH 891e09d168fSEnrico Weigelt, metux IT consult tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)" 892e09d168fSEnrico Weigelt, metux IT consult help 893dd1695a2SRandy Dunlap This option enables driver for GPIO on AMD's Fusion Controller Hub, 894dd1695a2SRandy Dunlap as found on G-series SOCs (e.g. GX-412TC). 895e09d168fSEnrico Weigelt, metux IT consult 896dd1695a2SRandy Dunlap Note: This driver doesn't register itself automatically, as it 897dd1695a2SRandy Dunlap needs to be provided with platform-specific configuration. 898dd1695a2SRandy Dunlap (See e.g. CONFIG_PCENGINES_APU2.) 89993224edfSDaniel Palmer 90093224edfSDaniel Palmerconfig GPIO_MSC313 90193224edfSDaniel Palmer bool "MStar MSC313 GPIO support" 9024675b78cSBartosz Golaszewski depends on ARCH_MSTARV7 || COMPILE_TEST 90393224edfSDaniel Palmer default ARCH_MSTARV7 90493224edfSDaniel Palmer select GPIOLIB_IRQCHIP 90593224edfSDaniel Palmer select IRQ_DOMAIN_HIERARCHY 90693224edfSDaniel Palmer help 90793224edfSDaniel Palmer Say Y here to support the main GPIO block on MStar/SigmaStar 908dd1695a2SRandy Dunlap ARMv7-based SoCs. 90993224edfSDaniel Palmer 9104195926aSThomas Bogendoerferconfig GPIO_IDT3243X 9114195926aSThomas Bogendoerfer tristate "IDT 79RC3243X GPIO support" 9124195926aSThomas Bogendoerfer depends on MIKROTIK_RB532 || COMPILE_TEST 9134195926aSThomas Bogendoerfer select GPIO_GENERIC 9144195926aSThomas Bogendoerfer select GPIOLIB_IRQCHIP 9154195926aSThomas Bogendoerfer help 9164195926aSThomas Bogendoerfer Select this option to enable GPIO driver for 917dd1695a2SRandy Dunlap IDT 79RC3243X-based devices like Mikrotik RB532. 9184195926aSThomas Bogendoerfer 9194195926aSThomas Bogendoerfer To compile this driver as a module, choose M here: the module will 9204195926aSThomas Bogendoerfer be called gpio-idt3243x. 9214195926aSThomas Bogendoerfer 922177b0381SLinus Walleijendmenu 923177b0381SLinus Walleij 924bc6a73bbSLinus Walleijmenu "Port-mapped I/O GPIO drivers" 9252c99754eSNiklas Schnelle depends on X86 && HAS_IOPORT # I/O space access 9262c99754eSNiklas Schnelle 9272c99754eSNiklas Schnelleconfig GPIO_VX855 9282c99754eSNiklas Schnelle tristate "VIA VX855/VX875 GPIO" 9292c99754eSNiklas Schnelle depends on PCI 9302c99754eSNiklas Schnelle select MFD_CORE 9312c99754eSNiklas Schnelle select MFD_VX855 9322c99754eSNiklas Schnelle help 9332c99754eSNiklas Schnelle Support access to the VX855/VX875 GPIO lines through the GPIO library. 9342c99754eSNiklas Schnelle 9352c99754eSNiklas Schnelle This driver provides common support for accessing the device. 9362c99754eSNiklas Schnelle Additional drivers must be enabled in order to use the 9372c99754eSNiklas Schnelle functionality of the device. 938bc6a73bbSLinus Walleij 939fb38af4aSWilliam Breathitt Grayconfig GPIO_I8255 940fb38af4aSWilliam Breathitt Gray tristate 9410b7c490dSWilliam Breathitt Gray select GPIO_REGMAP 942fb38af4aSWilliam Breathitt Gray help 943fb38af4aSWilliam Breathitt Gray Enables support for the i8255 interface library functions. The i8255 944fb38af4aSWilliam Breathitt Gray interface library provides functions to facilitate communication with 945fb38af4aSWilliam Breathitt Gray interfaces compatible with the venerable Intel 8255 Programmable 946fb38af4aSWilliam Breathitt Gray Peripheral Interface (PPI). The Intel 8255 PPI chip was first released 947fb38af4aSWilliam Breathitt Gray in the early 1970s but compatible interfaces are nowadays typically 948fb38af4aSWilliam Breathitt Gray found embedded in larger VLSI processing chips and FPGA components. 949fb38af4aSWilliam Breathitt Gray 950fb38af4aSWilliam Breathitt Gray If built as a module its name will be gpio-i8255. 951fb38af4aSWilliam Breathitt Gray 9521b06d64fSWilliam Breathitt Grayconfig GPIO_104_DIO_48E 9531b06d64fSWilliam Breathitt Gray tristate "ACCES 104-DIO-48E GPIO support" 95435decc80SWilliam Breathitt Gray depends on PC104 95535decc80SWilliam Breathitt Gray select ISA_BUS_API 9562f7e845fSWilliam Breathitt Gray select REGMAP_MMIO 9572f7e845fSWilliam Breathitt Gray select REGMAP_IRQ 9581b06d64fSWilliam Breathitt Gray select GPIOLIB_IRQCHIP 95971b7b397SWilliam Breathitt Gray select GPIO_I8255 96092f7a358SWilliam Breathitt Gray select I8254 9611b06d64fSWilliam Breathitt Gray help 9624c23db0fSWilliam Breathitt Gray Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E, 9634c23db0fSWilliam Breathitt Gray 104-DIO-24E). The base port addresses for the devices may be 9644c23db0fSWilliam Breathitt Gray configured via the base module parameter. The interrupt line numbers 9654c23db0fSWilliam Breathitt Gray for the devices may be configured via the irq module parameter. 9661b06d64fSWilliam Breathitt Gray 967bc6a73bbSLinus Walleijconfig GPIO_104_IDIO_16 968bc6a73bbSLinus Walleij tristate "ACCES 104-IDIO-16 GPIO support" 96935decc80SWilliam Breathitt Gray depends on PC104 97035decc80SWilliam Breathitt Gray select ISA_BUS_API 9712c210c9aSWilliam Breathitt Gray select REGMAP_MMIO 972c4ec384cSWilliam Breathitt Gray select GPIO_IDIO_16 973bc6a73bbSLinus Walleij help 97486ea8a95SWilliam Breathitt Gray Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16, 97586ea8a95SWilliam Breathitt Gray 104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The 97686ea8a95SWilliam Breathitt Gray base port addresses for the devices may be configured via the base 97786ea8a95SWilliam Breathitt Gray module parameter. The interrupt line numbers for the devices may be 97886ea8a95SWilliam Breathitt Gray configured via the irq module parameter. 979bc6a73bbSLinus Walleij 9806ddcf9b4SWilliam Breathitt Grayconfig GPIO_104_IDI_48 9816ddcf9b4SWilliam Breathitt Gray tristate "ACCES 104-IDI-48 GPIO support" 98235decc80SWilliam Breathitt Gray depends on PC104 98335decc80SWilliam Breathitt Gray select ISA_BUS_API 984e28432a7SWilliam Breathitt Gray select REGMAP_MMIO 985e28432a7SWilliam Breathitt Gray select REGMAP_IRQ 9866ddcf9b4SWilliam Breathitt Gray select GPIOLIB_IRQCHIP 98759e2131aSWilliam Breathitt Gray select GPIO_REGMAP 9886ddcf9b4SWilliam Breathitt Gray help 98972bf7443SWilliam Breathitt Gray Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A, 99072bf7443SWilliam Breathitt Gray 104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for 99172bf7443SWilliam Breathitt Gray the devices may be configured via the base module parameter. The 99272bf7443SWilliam Breathitt Gray interrupt line numbers for the devices may be configured via the irq 99372bf7443SWilliam Breathitt Gray module parameter. 9946ddcf9b4SWilliam Breathitt Gray 995bc6a73bbSLinus Walleijconfig GPIO_F7188X 996d0918a84SHenning Schild tristate "Fintek and Nuvoton Super-I/O GPIO support" 997bc6a73bbSLinus Walleij help 998bc6a73bbSLinus Walleij This option enables support for GPIOs found on Fintek Super-I/O 9991920906fSPeter Hung chips F71869, F71869A, F71882FG, F71889F and F81866. 10003002b864SHenning Schild As well as Nuvoton Super-I/O chip NCT6126D. 1001bc6a73bbSLinus Walleij 1002bc6a73bbSLinus Walleij To compile this driver as a module, choose M here: the module will 1003bc6a73bbSLinus Walleij be called f7188x-gpio. 1004bc6a73bbSLinus Walleij 10056ea5dcdfSWilliam Breathitt Grayconfig GPIO_GPIO_MM 10066ea5dcdfSWilliam Breathitt Gray tristate "Diamond Systems GPIO-MM GPIO support" 100735decc80SWilliam Breathitt Gray depends on PC104 100835decc80SWilliam Breathitt Gray select ISA_BUS_API 10091c05004fSWilliam Breathitt Gray select REGMAP_MMIO 1010949506dcSWilliam Breathitt Gray select GPIO_I8255 10116ea5dcdfSWilliam Breathitt Gray help 10126ea5dcdfSWilliam Breathitt Gray Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12. 10136ea5dcdfSWilliam Breathitt Gray 10146ea5dcdfSWilliam Breathitt Gray The Diamond Systems GPIO-MM device features 48 lines of digital I/O 10156ea5dcdfSWilliam Breathitt Gray via the emulation of dual 82C55A PPI chips. This driver provides GPIO 10166ea5dcdfSWilliam Breathitt Gray support for these 48 channels of digital I/O. 10176ea5dcdfSWilliam Breathitt Gray 10186ea5dcdfSWilliam Breathitt Gray The base port addresses for the devices may be configured via the base 10196ea5dcdfSWilliam Breathitt Gray array module parameter. 10206ea5dcdfSWilliam Breathitt Gray 1021bc6a73bbSLinus Walleijconfig GPIO_IT87 1022bc6a73bbSLinus Walleij tristate "IT87xx GPIO support" 1023bc6a73bbSLinus Walleij help 1024bc6a73bbSLinus Walleij Say yes here to support GPIO functionality of IT87xx Super I/O chips. 1025bc6a73bbSLinus Walleij 1026bc6a73bbSLinus Walleij This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and 1027a5ec96ddSLeonid Bloch supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as 1028a5ec96ddSLeonid Bloch well. 1029bc6a73bbSLinus Walleij 1030bc6a73bbSLinus Walleij To compile this driver as a module, choose M here: the module will 1031dd1695a2SRandy Dunlap be called gpio_it87. 1032bc6a73bbSLinus Walleij 1033bc6a73bbSLinus Walleijconfig GPIO_SCH 1034bc6a73bbSLinus Walleij tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO" 1035fdc1f5dfSAndy Shevchenko depends on (X86 || COMPILE_TEST) && ACPI 103671cf76d4SRandy Dunlap depends on LPC_SCH 10377a816384SJan Kiszka select GPIOLIB_IRQCHIP 1038bc6a73bbSLinus Walleij help 1039bc6a73bbSLinus Walleij Say yes here to support GPIO interface on Intel Poulsbo SCH, 1040bc6a73bbSLinus Walleij Intel Tunnel Creek processor, Intel Centerton processor or 1041bc6a73bbSLinus Walleij Intel Quark X1000 SoC. 1042bc6a73bbSLinus Walleij 1043bc6a73bbSLinus Walleij The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are 1044bc6a73bbSLinus Walleij powered by the core power rail and are turned off during sleep 1045bc6a73bbSLinus Walleij modes (S3 and higher). The remaining four GPIOs are powered by 1046bc6a73bbSLinus Walleij the Intel SCH suspend power supply. These GPIOs remain 1047dd1695a2SRandy Dunlap active during S3. The suspend-powered GPIOs can be used to wake the 1048bc6a73bbSLinus Walleij system from the Suspend-to-RAM state. 1049bc6a73bbSLinus Walleij 1050bc6a73bbSLinus Walleij The Intel Tunnel Creek processor has 5 GPIOs powered by the 1051bc6a73bbSLinus Walleij core power rail and 9 from suspend power supply. 1052bc6a73bbSLinus Walleij 1053bc6a73bbSLinus Walleij The Intel Centerton processor has a total of 30 GPIO pins. 1054bc6a73bbSLinus Walleij Twenty-one are powered by the core power rail and 9 from the 1055bc6a73bbSLinus Walleij suspend power supply. 1056bc6a73bbSLinus Walleij 1057bc6a73bbSLinus Walleij The Intel Quark X1000 SoC has 2 GPIOs powered by the core 1058bc6a73bbSLinus Walleij power well and 6 from the suspend power well. 1059bc6a73bbSLinus Walleij 1060bc6a73bbSLinus Walleijconfig GPIO_SCH311X 1061bc6a73bbSLinus Walleij tristate "SMSC SCH311x SuperI/O GPIO" 1062bc6a73bbSLinus Walleij help 1063bc6a73bbSLinus Walleij Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and 1064bc6a73bbSLinus Walleij SCH3116 "Super I/O" chipsets. 1065bc6a73bbSLinus Walleij 1066bc6a73bbSLinus Walleij To compile this driver as a module, choose M here: the module will 1067bc6a73bbSLinus Walleij be called gpio-sch311x. 1068bc6a73bbSLinus Walleij 1069bc6a73bbSLinus Walleijconfig GPIO_TS5500 1070bc6a73bbSLinus Walleij tristate "TS-5500 DIO blocks and compatibles" 1071bc6a73bbSLinus Walleij depends on TS5500 || COMPILE_TEST 1072bc6a73bbSLinus Walleij help 1073bc6a73bbSLinus Walleij This driver supports Digital I/O exposed by pin blocks found on some 1074bc6a73bbSLinus Walleij Technologic Systems platforms. It includes, but is not limited to, 3 1075bc6a73bbSLinus Walleij blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600 1076bc6a73bbSLinus Walleij LCD port. 1077bc6a73bbSLinus Walleij 1078a0d65009SMaciej S. Szmigieroconfig GPIO_WINBOND 1079a0d65009SMaciej S. Szmigiero tristate "Winbond Super I/O GPIO support" 1080b995ff3bSMaciej S. Szmigiero select ISA_BUS_API 1081a0d65009SMaciej S. Szmigiero help 1082a0d65009SMaciej S. Szmigiero This option enables support for GPIOs found on Winbond Super I/O 1083a0d65009SMaciej S. Szmigiero chips. 1084a0d65009SMaciej S. Szmigiero Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is 1085a0d65009SMaciej S. Szmigiero supported. 1086a0d65009SMaciej S. Szmigiero 1087a0d65009SMaciej S. Szmigiero You will need to provide a module parameter "gpios", or a 1088a0d65009SMaciej S. Szmigiero boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO 1089a0d65009SMaciej S. Szmigiero ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.). 1090a0d65009SMaciej S. Szmigiero 1091a0d65009SMaciej S. Szmigiero To compile this driver as a module, choose M here: the module will 1092a0d65009SMaciej S. Szmigiero be called gpio-winbond. 1093a0d65009SMaciej S. Szmigiero 10949c26df9bSWilliam Breathitt Grayconfig GPIO_WS16C48 10959c26df9bSWilliam Breathitt Gray tristate "WinSystems WS16C48 GPIO support" 109635decc80SWilliam Breathitt Gray select ISA_BUS_API 10970988ffa0SWilliam Breathitt Gray select REGMAP_IRQ 10980988ffa0SWilliam Breathitt Gray select REGMAP_MMIO 10999c26df9bSWilliam Breathitt Gray select GPIOLIB_IRQCHIP 11000988ffa0SWilliam Breathitt Gray select GPIO_REGMAP 11019c26df9bSWilliam Breathitt Gray help 1102cc736607SWilliam Breathitt Gray Enables GPIO support for the WinSystems WS16C48. The base port 1103cc736607SWilliam Breathitt Gray addresses for the devices may be configured via the base module 1104cc736607SWilliam Breathitt Gray parameter. The interrupt line numbers for the devices may be 1105cc736607SWilliam Breathitt Gray configured via the irq module parameter. 11069c26df9bSWilliam Breathitt Gray 1107bc6a73bbSLinus Walleijendmenu 1108bc6a73bbSLinus Walleij 1109177b0381SLinus Walleijmenu "I2C GPIO expanders" 1110177b0381SLinus Walleij depends on I2C 1111a9c5fff5SDavid Brownell 1112bf5a16baSLinus Walleijconfig GPIO_ADNP 1113bf5a16baSLinus Walleij tristate "Avionic Design N-bit GPIO expander" 1114269a46f8SLinus Walleij depends on OF_GPIO 1115104fb1d5SZhu, Lejun select GPIOLIB_IRQCHIP 1116104fb1d5SZhu, Lejun help 1117bf5a16baSLinus Walleij This option enables support for N GPIOs found on Avionic Design 1118bf5a16baSLinus Walleij I2C GPIO expanders. The register space will be extended by powers 1119bf5a16baSLinus Walleij of two, so the controller will need to accommodate for that. For 1120bf5a16baSLinus Walleij example: if a controller provides 48 pins, 6 registers will be 1121bf5a16baSLinus Walleij enough to represent all pins, but the driver will assume a 1122bf5a16baSLinus Walleij register layout for 64 pins (8 registers). 11230cc59b9dSMilo Kim 112403810031SEmanuele Ghidoliconfig GPIO_FXL6408 112503810031SEmanuele Ghidoli tristate "FXL6408 I2C GPIO expander" 112603810031SEmanuele Ghidoli select GPIO_REGMAP 112703810031SEmanuele Ghidoli select REGMAP_I2C 112803810031SEmanuele Ghidoli help 112903810031SEmanuele Ghidoli GPIO driver for Fairchild Semiconductor FXL6408 GPIO expander. 113003810031SEmanuele Ghidoli 113103810031SEmanuele Ghidoli To compile this driver as a module, choose M here: the module will 113203810031SEmanuele Ghidoli be called gpio-fxl6408. 113303810031SEmanuele Ghidoli 1134659ad5f7SOkan Sahinconfig GPIO_DS4520 1135659ad5f7SOkan Sahin tristate "DS4520 I2C GPIO expander" 1136659ad5f7SOkan Sahin select REGMAP_I2C 1137659ad5f7SOkan Sahin select GPIO_REGMAP 1138659ad5f7SOkan Sahin help 1139659ad5f7SOkan Sahin GPIO driver for ADI DS4520 I2C-based GPIO expander. 1140659ad5f7SOkan Sahin Say yes here to enable the GPIO driver for the ADI DS4520 chip. 1141659ad5f7SOkan Sahin 1142659ad5f7SOkan Sahin To compile this driver as a module, choose M here: the module will 1143659ad5f7SOkan Sahin be called gpio-ds4520. 1144659ad5f7SOkan Sahin 11452a0b0a57SLinus Walleijconfig GPIO_GW_PLD 11462a0b0a57SLinus Walleij tristate "Gateworks PLD GPIO Expander" 11472a0b0a57SLinus Walleij depends on OF_GPIO 11482a0b0a57SLinus Walleij help 11492a0b0a57SLinus Walleij Say yes here to provide access to the Gateworks I2C PLD GPIO 11502a0b0a57SLinus Walleij Expander. This is used at least on the Cambria GW2358-4. 11512a0b0a57SLinus Walleij 1152e952805dSWolfram Sangconfig GPIO_MAX7300 1153e952805dSWolfram Sang tristate "Maxim MAX7300 GPIO expander" 1154e952805dSWolfram Sang select GPIO_MAX730X 1155e952805dSWolfram Sang help 11562b861f4bSAxel Lin GPIO driver for Maxim MAX7300 I2C-based GPIO expander. 1157e952805dSWolfram Sang 1158bbcd6d54SEric Miaoconfig GPIO_MAX732X 1159bbcd6d54SEric Miao tristate "MAX7319, MAX7320-7327 I2C Port Expanders" 1160bbcd6d54SEric Miao help 1161bbcd6d54SEric Miao Say yes here to support the MAX7319, MAX7320-7327 series of I2C 1162bbcd6d54SEric Miao Port Expanders. Each IO port on these chips has a fixed role of 1163bbcd6d54SEric Miao Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain 1164bbcd6d54SEric Miao Input and Output (designed by 'P'). The combinations are listed 1165bbcd6d54SEric Miao below: 1166bbcd6d54SEric Miao 1167bbcd6d54SEric Miao 8 bits: max7319 (8I), max7320 (8O), max7321 (8P), 1168bbcd6d54SEric Miao max7322 (4I4O), max7323 (4P4O) 1169bbcd6d54SEric Miao 1170bbcd6d54SEric Miao 16 bits: max7324 (8I8O), max7325 (8P8O), 1171bbcd6d54SEric Miao max7326 (4I12O), max7327 (4P12O) 1172bbcd6d54SEric Miao 1173bbcd6d54SEric Miao Board setup code must specify the model to use, and the start 1174bbcd6d54SEric Miao number for these GPIOs. 1175bbcd6d54SEric Miao 1176a80a0bbeSMarc Zyngierconfig GPIO_MAX732X_IRQ 1177a80a0bbeSMarc Zyngier bool "Interrupt controller support for MAX732x" 11780244ad00SMartin Schwidefsky depends on GPIO_MAX732X=y 1179984f6643SLinus Walleij select GPIOLIB_IRQCHIP 1180a80a0bbeSMarc Zyngier help 1181a80a0bbeSMarc Zyngier Say yes here to enable the max732x to be used as an interrupt 1182a80a0bbeSMarc Zyngier controller. It requires the driver to be built in the kernel. 1183a80a0bbeSMarc Zyngier 1184f3dc3630SGuennadi Liakhovetskiconfig GPIO_PCA953X 1185eb32b5aaSAaron Sierra tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" 11864bc16f9dSMarek Vasut select REGMAP_I2C 11879e60fdcfSeric miao help 11887059d4b0SDavid Brownell Say yes here to provide access to several register-oriented 11897059d4b0SDavid Brownell SMBus I/O expanders, made mostly by NXP or TI. Compatible 11907059d4b0SDavid Brownell models include: 11917059d4b0SDavid Brownell 11927059d4b0SDavid Brownell 4 bits: pca9536, pca9537 11937059d4b0SDavid Brownell 1194c29985ddSAxel Lin 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, 1195d3e7efadSAkhilesh Patil pca9556, pca9557, pca9574, tca6408, tca9554, xra1202, 1196d3e7efadSAkhilesh Patil pcal6408, pcal9554b, tca9538 11977059d4b0SDavid Brownell 1198c29985ddSAxel Lin 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, 1199d3e7efadSAkhilesh Patil tca6416, pca6416, pcal6416, pcal9535, pcal9555a, max7318, 1200d3e7efadSAkhilesh Patil tca9539 12019e60fdcfSeric miao 1202d3e7efadSAkhilesh Patil 18 bits: tca6418 12031e191695SAaron Sierra 1204d3e7efadSAkhilesh Patil 24 bits: tca6424, pcal6524 1205d3e7efadSAkhilesh Patil 1206d3e7efadSAkhilesh Patil 40 bits: pca9505, pca9698, pca9506 12071e191695SAaron Sierra 120889ea8bbeSMarc Zyngierconfig GPIO_PCA953X_IRQ 120989ea8bbeSMarc Zyngier bool "Interrupt controller support for PCA953x" 1210e33a58a2SAndy Shevchenko depends on GPIO_PCA953X 12117bcbce55SLinus Walleij select GPIOLIB_IRQCHIP 121289ea8bbeSMarc Zyngier help 121389ea8bbeSMarc Zyngier Say yes here to enable the pca953x to be used as an interrupt 1214dd1695a2SRandy Dunlap controller. 121589ea8bbeSMarc Zyngier 121616d44b60SSungbo Eoconfig GPIO_PCA9570 121716d44b60SSungbo Eo tristate "PCA9570 4-Bit I2C GPO expander" 121816d44b60SSungbo Eo help 121916d44b60SSungbo Eo Say yes here to enable the GPO driver for the NXP PCA9570 chip. 122016d44b60SSungbo Eo 122116d44b60SSungbo Eo To compile this driver as a module, choose M here: the module will 122216d44b60SSungbo Eo be called gpio-pca9570. 122316d44b60SSungbo Eo 122415fae37dSDavid Brownellconfig GPIO_PCF857X 12251673ad52SDavid Brownell tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders" 1226a39294bdSGeert Uytterhoeven select GPIOLIB_IRQCHIP 1227901acf5bSArnd Bergmann select IRQ_DOMAIN 122815fae37dSDavid Brownell help 122915fae37dSDavid Brownell Say yes here to provide access to most "quasi-bidirectional" I2C 123015fae37dSDavid Brownell GPIO expanders used for additional digital outputs or inputs. 123115fae37dSDavid Brownell Most of these parts are from NXP, though TI is a second source for 123215fae37dSDavid Brownell some of them. Compatible models include: 123315fae37dSDavid Brownell 123415fae37dSDavid Brownell 8 bits: pcf8574, pcf8574a, pca8574, pca8574a, 12351673ad52SDavid Brownell pca9670, pca9672, pca9674, pca9674a, 12361673ad52SDavid Brownell max7328, max7329 123715fae37dSDavid Brownell 123815fae37dSDavid Brownell 16 bits: pcf8575, pcf8575c, pca8575, 123915fae37dSDavid Brownell pca9671, pca9673, pca9675 124015fae37dSDavid Brownell 124115fae37dSDavid Brownell Your board setup code will need to declare the expanders in 124215fae37dSDavid Brownell use, and assign numbers to the GPIOs they expose. Those GPIOs 124315fae37dSDavid Brownell can then be used from drivers and other kernel code, just like 124415fae37dSDavid Brownell other GPIOs, but only accessible from task contexts. 124515fae37dSDavid Brownell 124615fae37dSDavid Brownell This driver provides an in-kernel interface to those GPIOs using 124715fae37dSDavid Brownell platform-neutral GPIO calls. 124815fae37dSDavid Brownell 1249b866526dSAndrew F. Davisconfig GPIO_TPIC2810 1250b866526dSAndrew F. Davis tristate "TPIC2810 8-Bit I2C GPO expander" 1251b866526dSAndrew F. Davis help 1252b866526dSAndrew F. Davis Say yes here to enable the GPO driver for the TI TPIC2810 chip. 1253b866526dSAndrew F. Davis 1254b866526dSAndrew F. Davis To compile this driver as a module, choose M here: the module will 1255b866526dSAndrew F. Davis be called gpio-tpic2810. 1256b866526dSAndrew F. Davis 12579c668632SLucile Quirionconfig GPIO_TS4900 12589c668632SLucile Quirion tristate "Technologic Systems FPGA I2C GPIO" 12594c5f15b7SJean Delvare depends on SOC_IMX6 || COMPILE_TEST 12609c668632SLucile Quirion select REGMAP_I2C 12619c668632SLucile Quirion help 12629c668632SLucile Quirion Say yes here to enabled the GPIO driver for Technologic's FPGA core. 12639c668632SLucile Quirion Series supported include TS-4100, TS-4900, TS-7970 and TS-7990. 12649c668632SLucile Quirion 1265177b0381SLinus Walleijendmenu 1266177b0381SLinus Walleij 1267177b0381SLinus Walleijmenu "MFD GPIO expanders" 1268be9cab5bSLinus Walleij 1269be9cab5bSLinus Walleijconfig GPIO_ADP5520 1270be9cab5bSLinus Walleij tristate "GPIO Support for ADP5520 PMIC" 1271be9cab5bSLinus Walleij depends on PMIC_ADP5520 1272be9cab5bSLinus Walleij help 1273be9cab5bSLinus Walleij This option enables support for on-chip GPIO found 1274be9cab5bSLinus Walleij on Analog Devices ADP5520 PMICs. 1275be9cab5bSLinus Walleij 1276738bbc66SHaibo Chenconfig GPIO_ADP5585 1277738bbc66SHaibo Chen tristate "GPIO Support for ADP5585" 1278738bbc66SHaibo Chen depends on MFD_ADP5585 1279988b28a8SNuno Sá select GPIOLIB_IRQCHIP 1280738bbc66SHaibo Chen help 1281738bbc66SHaibo Chen This option enables support for the GPIO function found in the Analog 1282738bbc66SHaibo Chen Devices ADP5585. 1283738bbc66SHaibo Chen 128426a48c4cSThor Thayerconfig GPIO_ALTERA_A10SR 128526a48c4cSThor Thayer tristate "Altera Arria10 System Resource GPIO" 128626a48c4cSThor Thayer depends on MFD_ALTERA_A10SR 128726a48c4cSThor Thayer help 128826a48c4cSThor Thayer Driver for Arria10 Development Kit GPIO expansion which 128926a48c4cSThor Thayer includes reads of pushbuttons and DIP switches as well 129026a48c4cSThor Thayer as writes to LEDs. 129126a48c4cSThor Thayer 1292be9cab5bSLinus Walleijconfig GPIO_ARIZONA 1293be9cab5bSLinus Walleij tristate "Wolfson Microelectronics Arizona class devices" 1294be9cab5bSLinus Walleij depends on MFD_ARIZONA 1295be9cab5bSLinus Walleij help 1296be9cab5bSLinus Walleij Support for GPIOs on Wolfson Arizona class devices. 1297be9cab5bSLinus Walleij 1298703b288fSMatti Vaittinenconfig GPIO_BD71815 1299703b288fSMatti Vaittinen tristate "ROHM BD71815 PMIC GPIO support" 1300703b288fSMatti Vaittinen depends on MFD_ROHM_BD71828 1301703b288fSMatti Vaittinen help 1302703b288fSMatti Vaittinen Support for GPO(s) on ROHM BD71815 PMIC. There are two GPOs 1303703b288fSMatti Vaittinen available on the ROHM PMIC. 1304703b288fSMatti Vaittinen 1305703b288fSMatti Vaittinen This driver can also be built as a module. If so, the module 1306703b288fSMatti Vaittinen will be called gpio-bd71815. 1307703b288fSMatti Vaittinen 1308c31f625dSMatti Vaittinenconfig GPIO_BD71828 1309c31f625dSMatti Vaittinen tristate "ROHM BD71828 GPIO support" 1310c31f625dSMatti Vaittinen depends on MFD_ROHM_BD71828 1311c31f625dSMatti Vaittinen help 1312c31f625dSMatti Vaittinen Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs 1313c31f625dSMatti Vaittinen available on the ROHM PMIC in total. The GPIOs are limited to 1314c31f625dSMatti Vaittinen outputs only and pins must be configured to GPIO outputs by 1315c31f625dSMatti Vaittinen OTP. Enable this only if you want to use these pins as outputs. 1316c31f625dSMatti Vaittinen 1317c31f625dSMatti Vaittinen This driver can also be built as a module. If so, the module 1318c31f625dSMatti Vaittinen will be called gpio-bd71828. 1319c31f625dSMatti Vaittinen 132093847930SMarek Vasutconfig GPIO_BD9571MWV 132193847930SMarek Vasut tristate "ROHM BD9571 GPIO support" 132293847930SMarek Vasut depends on MFD_BD9571MWV 132393847930SMarek Vasut help 132493847930SMarek Vasut Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs 132593847930SMarek Vasut available on the ROHM PMIC in total, both of which can also 132693847930SMarek Vasut generate interrupts. 132793847930SMarek Vasut 132893847930SMarek Vasut This driver can also be built as a module. If so, the module 132993847930SMarek Vasut will be called gpio-bd9571mwv. 133093847930SMarek Vasut 13314342bf63SThomas Richardconfig GPIO_CGBC 13324342bf63SThomas Richard tristate "Congatec Board Controller GPIO support" 13334342bf63SThomas Richard depends on MFD_CGBC 13344342bf63SThomas Richard help 13354342bf63SThomas Richard Select this option to enable GPIO support for the Congatec Board 13364342bf63SThomas Richard Controller. 13374342bf63SThomas Richard 13384342bf63SThomas Richard This driver can also be built as a module. If so, the module will be 13394342bf63SThomas Richard called gpio-cgbc. 13404342bf63SThomas Richard 1341f837fe1bSStephen Boydconfig GPIO_CROS_EC 1342f837fe1bSStephen Boyd tristate "ChromeOS EC GPIO support" 1343f837fe1bSStephen Boyd depends on CROS_EC 1344f837fe1bSStephen Boyd help 1345f837fe1bSStephen Boyd GPIO driver for the ChromeOS Embedded Controller (EC). GPIOs 1346f837fe1bSStephen Boyd cannot be set unless the system is unlocked. 1347f837fe1bSStephen Boyd 1348f837fe1bSStephen Boyd This driver can also be built as a module. If so, the module 1349f837fe1bSStephen Boyd will be called gpio-cros-ec. 1350f837fe1bSStephen Boyd 1351be9cab5bSLinus Walleijconfig GPIO_CRYSTAL_COVE 1352be9cab5bSLinus Walleij tristate "GPIO support for Crystal Cove PMIC" 135372aba2e2SPeter Robinson depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC 1354be9cab5bSLinus Walleij select GPIOLIB_IRQCHIP 1355be9cab5bSLinus Walleij help 1356be9cab5bSLinus Walleij Support for GPIO pins on Crystal Cove PMIC. 1357be9cab5bSLinus Walleij 1358dd1695a2SRandy Dunlap Say Yes if you have a Intel SoC-based tablet with Crystal Cove PMIC 1359be9cab5bSLinus Walleij inside. 1360be9cab5bSLinus Walleij 1361be9cab5bSLinus Walleij This driver can also be built as a module. If so, the module will be 1362be9cab5bSLinus Walleij called gpio-crystalcove. 1363be9cab5bSLinus Walleij 1364be9cab5bSLinus Walleijconfig GPIO_CS5535 1365be9cab5bSLinus Walleij tristate "AMD CS5535/CS5536 GPIO support" 136672aba2e2SPeter Robinson depends on X86 || MIPS || COMPILE_TEST 1367be9cab5bSLinus Walleij depends on MFD_CS5535 1368be9cab5bSLinus Walleij help 1369be9cab5bSLinus Walleij The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that 1370be9cab5bSLinus Walleij can be used for quite a number of things. The CS5535/6 is found on 1371be9cab5bSLinus Walleij AMD Geode and Lemote Yeeloong devices. 1372be9cab5bSLinus Walleij 1373be9cab5bSLinus Walleij If unsure, say N. 1374be9cab5bSLinus Walleij 1375be9cab5bSLinus Walleijconfig GPIO_DA9052 1376be9cab5bSLinus Walleij tristate "Dialog DA9052 GPIO" 1377be9cab5bSLinus Walleij depends on PMIC_DA9052 1378be9cab5bSLinus Walleij help 1379be9cab5bSLinus Walleij Say yes here to enable the GPIO driver for the DA9052 chip. 1380be9cab5bSLinus Walleij 1381be9cab5bSLinus Walleijconfig GPIO_DA9055 1382be9cab5bSLinus Walleij tristate "Dialog Semiconductor DA9055 GPIO" 1383be9cab5bSLinus Walleij depends on MFD_DA9055 1384be9cab5bSLinus Walleij help 1385be9cab5bSLinus Walleij Say yes here to enable the GPIO driver for the DA9055 chip. 1386be9cab5bSLinus Walleij 1387be9cab5bSLinus Walleij The Dialog DA9055 PMIC chip has 3 GPIO pins that can be 1388dd1695a2SRandy Dunlap be controlled by this driver. 1389be9cab5bSLinus Walleij 1390be9cab5bSLinus Walleij If driver is built as a module it will be called gpio-da9055. 1391be9cab5bSLinus Walleij 1392be9cab5bSLinus Walleijconfig GPIO_DLN2 1393be9cab5bSLinus Walleij tristate "Diolan DLN2 GPIO support" 1394be9cab5bSLinus Walleij depends on MFD_DLN2 1395be9cab5bSLinus Walleij select GPIOLIB_IRQCHIP 1396be9cab5bSLinus Walleij 1397be9cab5bSLinus Walleij help 1398be9cab5bSLinus Walleij Select this option to enable GPIO driver for the Diolan DLN2 1399be9cab5bSLinus Walleij board. 1400be9cab5bSLinus Walleij 1401be9cab5bSLinus Walleij This driver can also be built as a module. If so, the module 1402be9cab5bSLinus Walleij will be called gpio-dln2. 1403be9cab5bSLinus Walleij 14043c6e8d05SLinus Walleijconfig HTC_EGPIO 14053c6e8d05SLinus Walleij bool "HTC EGPIO support" 14061791226bSBartosz Golaszewski depends on ARM || COMPILE_TEST 14073c6e8d05SLinus Walleij help 14083c6e8d05SLinus Walleij This driver supports the CPLD egpio chip present on 14093c6e8d05SLinus Walleij several HTC phones. It provides basic support for input 1410dd1695a2SRandy Dunlap pins, output pins, and IRQs. 14113c6e8d05SLinus Walleij 14129409d8cfSPandith Nconfig GPIO_ELKHARTLAKE 14139409d8cfSPandith N tristate "Intel Elkhart Lake PSE GPIO support" 141410c15296SRaag Jadav depends on INTEL_EHL_PSE_IO 14159409d8cfSPandith N select GPIO_TANGIER 14169409d8cfSPandith N help 14179409d8cfSPandith N Select this option to enable GPIO support for Intel Elkhart Lake 14189409d8cfSPandith N PSE GPIO IP. 14199409d8cfSPandith N 14209409d8cfSPandith N To compile this driver as a module, choose M here: the module will 14219409d8cfSPandith N be called gpio-elkhartlake. 14229409d8cfSPandith N 1423be9cab5bSLinus Walleijconfig GPIO_JANZ_TTL 1424be9cab5bSLinus Walleij tristate "Janz VMOD-TTL Digital IO Module" 1425be9cab5bSLinus Walleij depends on MFD_JANZ_CMODIO 1426be9cab5bSLinus Walleij help 1427be9cab5bSLinus Walleij This enables support for the Janz VMOD-TTL Digital IO module. 1428be9cab5bSLinus Walleij This driver provides support for driving the pins in output 1429be9cab5bSLinus Walleij mode only. Input mode is not supported. 1430be9cab5bSLinus Walleij 1431be9cab5bSLinus Walleijconfig GPIO_KEMPLD 1432be9cab5bSLinus Walleij tristate "Kontron ETX / COMexpress GPIO" 1433be9cab5bSLinus Walleij depends on MFD_KEMPLD 1434be9cab5bSLinus Walleij help 1435be9cab5bSLinus Walleij This enables support for the PLD GPIO interface on some Kontron ETX 1436be9cab5bSLinus Walleij and COMexpress (ETXexpress) modules. 1437be9cab5bSLinus Walleij 1438be9cab5bSLinus Walleij This driver can also be built as a module. If so, the module will be 1439be9cab5bSLinus Walleij called gpio-kempld. 1440be9cab5bSLinus Walleij 1441c5a4b6fdSYe Xiangconfig GPIO_LJCA 1442c5a4b6fdSYe Xiang tristate "INTEL La Jolla Cove Adapter GPIO support" 14431034cc42SWentong Wu depends on USB_LJCA 1444c5a4b6fdSYe Xiang select GPIOLIB_IRQCHIP 14451034cc42SWentong Wu default USB_LJCA 1446c5a4b6fdSYe Xiang help 1447c5a4b6fdSYe Xiang Select this option to enable GPIO driver for the INTEL 1448c5a4b6fdSYe Xiang La Jolla Cove Adapter (LJCA) board. 1449c5a4b6fdSYe Xiang 1450c5a4b6fdSYe Xiang This driver can also be built as a module. If so, the module 1451c5a4b6fdSYe Xiang will be called gpio-ljca. 1452c5a4b6fdSYe Xiang 1453be9cab5bSLinus Walleijconfig GPIO_LP3943 1454be9cab5bSLinus Walleij tristate "TI/National Semiconductor LP3943 GPIO expander" 1455be9cab5bSLinus Walleij depends on MFD_LP3943 1456be9cab5bSLinus Walleij help 1457be9cab5bSLinus Walleij GPIO driver for LP3943 MFD. 1458be9cab5bSLinus Walleij LP3943 can be used as a GPIO expander which provides up to 16 GPIOs. 1459be9cab5bSLinus Walleij Open drain outputs are required for this usage. 1460be9cab5bSLinus Walleij 146183f14103SKeerthyconfig GPIO_LP873X 146283f14103SKeerthy tristate "TI LP873X GPO" 146383f14103SKeerthy depends on MFD_TI_LP873X 146483f14103SKeerthy help 146583f14103SKeerthy This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present 146683f14103SKeerthy on LP873X PMICs. 146783f14103SKeerthy 146883f14103SKeerthy This driver can also be built as a module. If so, the module will be 146983f14103SKeerthy called gpio-lp873x. 147083f14103SKeerthy 14715c7f2c76SKeerthyconfig GPIO_LP87565 14725c7f2c76SKeerthy tristate "TI LP87565 GPIO" 14735c7f2c76SKeerthy depends on MFD_TI_LP87565 14745c7f2c76SKeerthy help 14755c7f2c76SKeerthy This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present 14765c7f2c76SKeerthy on LP87565 PMICs. 14775c7f2c76SKeerthy 14785c7f2c76SKeerthy This driver can also be built as a module. If so, the module will be 14795c7f2c76SKeerthy called gpio-lp87565. 14805c7f2c76SKeerthy 14819b21051bSHector Martinconfig GPIO_MACSMC 14829b21051bSHector Martin tristate "Apple Mac SMC GPIO" 14839b21051bSHector Martin depends on MFD_MACSMC 14849b21051bSHector Martin help 14859b21051bSHector Martin Support for GPIOs controlled by the SMC microcontroller on Apple Mac 14869b21051bSHector Martin systems. 14879b21051bSHector Martin 14889b21051bSHector Martin This driver can also be built as a module. If so, the module will be 14899b21051bSHector Martin called gpio-macsmc. 14909b21051bSHector Martin 1491aca429ffSRichard Fitzgeraldconfig GPIO_MADERA 1492aca429ffSRichard Fitzgerald tristate "Cirrus Logic Madera class codecs" 1493aca429ffSRichard Fitzgerald depends on PINCTRL_MADERA 1494aca429ffSRichard Fitzgerald help 1495aca429ffSRichard Fitzgerald Support for GPIOs on Cirrus Logic Madera class codecs. 1496aca429ffSRichard Fitzgerald 1497b1a7433dSMathieu Dubois-Briandconfig GPIO_MAX7360 1498b1a7433dSMathieu Dubois-Briand tristate "MAX7360 GPIO support" 1499b1a7433dSMathieu Dubois-Briand depends on MFD_MAX7360 1500b1a7433dSMathieu Dubois-Briand select GPIO_REGMAP 1501b1a7433dSMathieu Dubois-Briand select REGMAP_IRQ 1502b1a7433dSMathieu Dubois-Briand help 1503b1a7433dSMathieu Dubois-Briand Allows to use MAX7360 I/O Expander PWM lines as GPIO and keypad COL 1504b1a7433dSMathieu Dubois-Briand lines as GPO. 1505b1a7433dSMathieu Dubois-Briand 1506b1a7433dSMathieu Dubois-Briand This driver can also be built as a module. If so, the module will be 1507b1a7433dSMathieu Dubois-Briand called gpio-max7360. 1508b1a7433dSMathieu Dubois-Briand 150902c5ba1eSLaxman Dewanganconfig GPIO_MAX77620 151002c5ba1eSLaxman Dewangan tristate "GPIO support for PMIC MAX77620 and MAX20024" 151102c5ba1eSLaxman Dewangan depends on MFD_MAX77620 1512c5706c7dSDmitry Osipenko select GPIOLIB_IRQCHIP 151302c5ba1eSLaxman Dewangan help 151402c5ba1eSLaxman Dewangan GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor. 151502c5ba1eSLaxman Dewangan MAX77620 PMIC has 8 pins that can be configured as GPIOs. The 1516dd1695a2SRandy Dunlap driver also provides interrupt support for each of the GPIOs. 1517dd1695a2SRandy Dunlap Say yes here to enable the max77620 to be used as GPIO controller. 151802c5ba1eSLaxman Dewangan 151972b5135bSBartosz Golaszewskiconfig GPIO_MAX77650 152072b5135bSBartosz Golaszewski tristate "Maxim MAX77650/77651 GPIO support" 152172b5135bSBartosz Golaszewski depends on MFD_MAX77650 152272b5135bSBartosz Golaszewski help 152372b5135bSBartosz Golaszewski GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor. 152472b5135bSBartosz Golaszewski These chips have a single pin that can be configured as GPIO. 152572b5135bSBartosz Golaszewski 152689a796b9SAndré Draszikconfig GPIO_MAX77759 152789a796b9SAndré Draszik tristate "Maxim Integrated MAX77759 GPIO support" 152889a796b9SAndré Draszik depends on MFD_MAX77759 152989a796b9SAndré Draszik default MFD_MAX77759 153089a796b9SAndré Draszik select GPIOLIB_IRQCHIP 153189a796b9SAndré Draszik help 153289a796b9SAndré Draszik GPIO driver for MAX77759 PMIC from Maxim Integrated. 153389a796b9SAndré Draszik There are two GPIOs available on these chips in total, both of 153489a796b9SAndré Draszik which can also generate interrupts. 153589a796b9SAndré Draszik 153689a796b9SAndré Draszik This driver can also be built as a module. If so, the module will be 153789a796b9SAndré Draszik called gpio-max77759. 153889a796b9SAndré Draszik 1539611a995eSMing Yuconfig GPIO_NCT6694 1540611a995eSMing Yu tristate "Nuvoton NCT6694 GPIO controller support" 1541611a995eSMing Yu depends on MFD_NCT6694 1542611a995eSMing Yu select GENERIC_IRQ_CHIP 1543611a995eSMing Yu select GPIOLIB_IRQCHIP 1544611a995eSMing Yu help 1545611a995eSMing Yu This driver supports 8 GPIO pins per bank that can all be interrupt 1546611a995eSMing Yu sources. 1547611a995eSMing Yu 1548611a995eSMing Yu This driver can also be built as a module. If so, the module will be 1549611a995eSMing Yu called gpio-nct6694. 1550611a995eSMing Yu 1551be9cab5bSLinus Walleijconfig GPIO_PALMAS 1552cfbbf275SAaron Kling tristate "TI PALMAS series PMICs GPIO" 1553be9cab5bSLinus Walleij depends on MFD_PALMAS 1554be9cab5bSLinus Walleij help 1555be9cab5bSLinus Walleij Select this option to enable GPIO driver for the TI PALMAS 1556be9cab5bSLinus Walleij series chip family. 1557be9cab5bSLinus Walleij 155863de20caSLinus Walleijconfig GPIO_PMIC_EIC_SPRD 155963de20caSLinus Walleij tristate "Spreadtrum PMIC EIC support" 156063de20caSLinus Walleij depends on MFD_SC27XX_PMIC || COMPILE_TEST 156163de20caSLinus Walleij depends on OF_GPIO 156263de20caSLinus Walleij select GPIOLIB_IRQCHIP 156363de20caSLinus Walleij help 156463de20caSLinus Walleij Say yes here to support Spreadtrum PMIC EIC device. 156563de20caSLinus Walleij 1566e8850024SIoana Ciorneiconfig GPIO_QIXIS_FPGA 1567e8850024SIoana Ciornei tristate "NXP QIXIS FPGA GPIO support" 1568e8850024SIoana Ciornei depends on MFD_SIMPLE_MFD_I2C || COMPILE_TEST 1569e8850024SIoana Ciornei select GPIO_REGMAP 1570*db9c67bfSArnd Bergmann select REGMAP_MMIO 1571e8850024SIoana Ciornei help 1572e8850024SIoana Ciornei This enables support for the GPIOs found in the QIXIS FPGA which is 1573e8850024SIoana Ciornei integrated on some NXP Layerscape boards such as LX2160ARDB and 1574e8850024SIoana Ciornei LS1046AQDS. 1575e8850024SIoana Ciornei 1576e9fe32bcSLaxman Dewanganconfig GPIO_RC5T583 1577e9fe32bcSLaxman Dewangan bool "RICOH RC5T583 GPIO" 1578e9fe32bcSLaxman Dewangan depends on MFD_RC5T583 1579e9fe32bcSLaxman Dewangan help 1580e9fe32bcSLaxman Dewangan Select this option to enable GPIO driver for the Ricoh RC5T583 1581e9fe32bcSLaxman Dewangan chip family. 1582dd1695a2SRandy Dunlap This driver provides the support for driving/reading the GPIO pins 1583dd1695a2SRandy Dunlap of RC5T583 device through standard GPIO library. 1584e9fe32bcSLaxman Dewangan 1585b7536d87SMichael Walleconfig GPIO_SL28CPLD 1586b7536d87SMichael Walle tristate "Kontron sl28cpld GPIO support" 1587b7536d87SMichael Walle depends on MFD_SL28CPLD || COMPILE_TEST 1588b7536d87SMichael Walle select GPIO_REGMAP 1589b7536d87SMichael Walle select GPIOLIB_IRQCHIP 1590b7536d87SMichael Walle select REGMAP_IRQ 1591b7536d87SMichael Walle help 1592b7536d87SMichael Walle This enables support for the GPIOs found on the Kontron sl28 CPLD. 1593b7536d87SMichael Walle 1594b7536d87SMichael Walle This driver can also be built as a module. If so, the module will be 1595b7536d87SMichael Walle called gpio-sl28cpld. 1596b7536d87SMichael Walle 159703f822f5SRabin Vincentconfig GPIO_STMPE 159803db20aaSAlexander Stein tristate "STMPE GPIOs" 159903f822f5SRabin Vincent depends on MFD_STMPE 16001dfb4a0dSLinus Walleij depends on OF_GPIO 1601fe44e70dSLinus Walleij select GPIOLIB_IRQCHIP 160203f822f5SRabin Vincent help 160303f822f5SRabin Vincent This enables support for the GPIOs found on the STMPE I/O 160403f822f5SRabin Vincent Expanders. 160503f822f5SRabin Vincent 1606f4e8afdcSSundar Iyerconfig GPIO_TC3589X 1607f4e8afdcSSundar Iyer bool "TC3589X GPIOs" 1608f4e8afdcSSundar Iyer depends on MFD_TC3589X 16091422731dSLinus Walleij depends on OF_GPIO 1610cf42f1cfSLinus Walleij select GPIOLIB_IRQCHIP 1611d88b25beSRabin Vincent help 1612f4e8afdcSSundar Iyer This enables support for the GPIOs found on the TC3589X 1613d88b25beSRabin Vincent I/O Expander. 1614d88b25beSRabin Vincent 1615be9cab5bSLinus Walleijconfig GPIO_TIMBERDALE 1616be9cab5bSLinus Walleij bool "Support for timberdale GPIO IP" 1617be9cab5bSLinus Walleij depends on MFD_TIMBERDALE 16188b8ef309SPeng Fan select GPIOLIB_IRQCHIP 1619a7f7f624SMasahiro Yamada help 1620be9cab5bSLinus Walleij Add support for the GPIO IP in the timberdale FPGA. 1621be9cab5bSLinus Walleij 1622b3dcb5deSRobert Markoconfig GPIO_TN48M_CPLD 1623b3dcb5deSRobert Marko tristate "Delta Networks TN48M switch CPLD GPIO driver" 16244e8a72f9SBartosz Golaszewski depends on MFD_TN48M_CPLD || COMPILE_TEST 1625b3dcb5deSRobert Marko select GPIO_REGMAP 1626b3dcb5deSRobert Marko help 1627b3dcb5deSRobert Marko This enables support for the GPIOs found on the Delta 1628b3dcb5deSRobert Marko Networks TN48M switch Lattice CPLD. It provides 12 pins in total, 1629b3dcb5deSRobert Marko they are input-only or output-only type. 1630b3dcb5deSRobert Marko 1631b3dcb5deSRobert Marko This driver can also be built as a module. If so, the 1632b3dcb5deSRobert Marko module will be called gpio-tn48m. 1633b3dcb5deSRobert Marko 163499f0fd54SAndrew F. Davisconfig GPIO_TPS65086 163599f0fd54SAndrew F. Davis tristate "TI TPS65086 GPO" 163699f0fd54SAndrew F. Davis depends on MFD_TPS65086 163799f0fd54SAndrew F. Davis help 163899f0fd54SAndrew F. Davis This driver supports the GPO on TI TPS65086x PMICs. 163999f0fd54SAndrew F. Davis 1640c366c76aSNicolas Saenz Julienneconfig GPIO_TPS65218 1641c366c76aSNicolas Saenz Julienne tristate "TPS65218 GPIO" 1642c366c76aSNicolas Saenz Julienne depends on MFD_TPS65218 1643c366c76aSNicolas Saenz Julienne help 1644c366c76aSNicolas Saenz Julienne Select this option to enable GPIO driver for the TPS65218 1645c366c76aSNicolas Saenz Julienne chip family. 1646c366c76aSNicolas Saenz Julienne 164757e30e00SJerome Neanneconfig GPIO_TPS65219 164857e30e00SJerome Neanne tristate "TPS65219 GPIO" 164957e30e00SJerome Neanne depends on MFD_TPS65219 165057e30e00SJerome Neanne default MFD_TPS65219 165157e30e00SJerome Neanne help 165257e30e00SJerome Neanne Select this option to enable GPIO driver for the TPS65219 chip 165357e30e00SJerome Neanne family. 165457e30e00SJerome Neanne GPIO0 is statically configured as either input or output prior to 165557e30e00SJerome Neanne Linux boot. It is used for MULTI_DEVICE_ENABLE function. This setting 165657e30e00SJerome Neanne is statically configured by NVM. GPIO0 can't be used as a generic 165757e30e00SJerome Neanne GPIO. It's either a GPO when MULTI_DEVICE_EN=0 or a GPI when 165857e30e00SJerome Neanne MULTI_DEVICE_EN=1. 165957e30e00SJerome Neanne 166057e30e00SJerome Neanne This driver can also be built as a module. If so, the module will be 166157e30e00SJerome Neanne called gpio_tps65219. 166257e30e00SJerome Neanne 1663be9cab5bSLinus Walleijconfig GPIO_TPS6586X 1664be9cab5bSLinus Walleij bool "TPS6586X GPIO" 1665be9cab5bSLinus Walleij depends on MFD_TPS6586X 1666be9cab5bSLinus Walleij help 1667be9cab5bSLinus Walleij Select this option to enable GPIO driver for the TPS6586X 1668be9cab5bSLinus Walleij chip family. 1669be9cab5bSLinus Walleij 1670be9cab5bSLinus Walleijconfig GPIO_TPS65910 1671be9cab5bSLinus Walleij bool "TPS65910 GPIO" 1672be9cab5bSLinus Walleij depends on MFD_TPS65910 1673be9cab5bSLinus Walleij help 1674be9cab5bSLinus Walleij Select this option to enable GPIO driver for the TPS65910 1675be9cab5bSLinus Walleij chip family. 1676be9cab5bSLinus Walleij 1677668a6cc7SMargarita Olayaconfig GPIO_TPS65912 1678668a6cc7SMargarita Olaya tristate "TI TPS65912 GPIO" 1679ca801a22SAndrew F. Davis depends on MFD_TPS65912 1680668a6cc7SMargarita Olaya help 1681dd1695a2SRandy Dunlap This driver supports TPS65912 GPIO chip. 1682668a6cc7SMargarita Olaya 1683275b13a6SRajmohan Maniconfig GPIO_TPS68470 1684a1ce76e8SHans de Goede tristate "TPS68470 GPIO" 168524700e1fSDaniel Scally depends on INTEL_SKL_INT3472 1686275b13a6SRajmohan Mani help 1687275b13a6SRajmohan Mani Select this option to enable GPIO driver for the TPS68470 1688275b13a6SRajmohan Mani chip family. 1689dd1695a2SRandy Dunlap There are 7 GPIOs and few sensor-related GPIOs supported 1690275b13a6SRajmohan Mani by the TPS68470. While the 7 GPIOs can be configured as 1691275b13a6SRajmohan Mani input or output as appropriate, the sensor related GPIOs 1692275b13a6SRajmohan Mani are "output only" GPIOs. 1693275b13a6SRajmohan Mani 1694b868db94SAndrew Lunnconfig GPIO_TQMX86 16958c219e52SGregor Herburger tristate "TQ-Systems TQMx86 GPIO" 1696b868db94SAndrew Lunn depends on MFD_TQMX86 || COMPILE_TEST 1697c6414e1aSJohannes Berg depends on HAS_IOPORT_MAP 1698b868db94SAndrew Lunn select GPIOLIB_IRQCHIP 1699b868db94SAndrew Lunn help 1700b868db94SAndrew Lunn This driver supports GPIO on the TQMX86 IO controller. 1701b868db94SAndrew Lunn 1702e9d35947SDavid Brownellconfig GPIO_TWL4030 1703e9d35947SDavid Brownell tristate "TWL4030, TWL5030, and TPS659x0 GPIOs" 1704e9d35947SDavid Brownell depends on TWL4030_CORE 1705e9d35947SDavid Brownell help 1706e9d35947SDavid Brownell Say yes here to access the GPIO signals of various multi-function 1707e9d35947SDavid Brownell power management chips from Texas Instruments. 1708e9d35947SDavid Brownell 170970ffd691SPeter Ujfalusiconfig GPIO_TWL6040 171070ffd691SPeter Ujfalusi tristate "TWL6040 GPO" 171170ffd691SPeter Ujfalusi depends on TWL6040_CORE 171270ffd691SPeter Ujfalusi help 171370ffd691SPeter Ujfalusi Say yes here to access the GPO signals of twl6040 171470ffd691SPeter Ujfalusi audio chip from Texas Instruments. 171570ffd691SPeter Ujfalusi 17160ba19cfcSBin Gaoconfig GPIO_WHISKEY_COVE 17170ba19cfcSBin Gao tristate "GPIO support for Whiskey Cove PMIC" 1718b5238b41SAndy Shevchenko depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC 17190ba19cfcSBin Gao select GPIOLIB_IRQCHIP 17200ba19cfcSBin Gao help 17210ba19cfcSBin Gao Support for GPIO pins on Whiskey Cove PMIC. 17220ba19cfcSBin Gao 1723dd1695a2SRandy Dunlap Say Yes if you have an Intel SoC-based tablet with Whiskey Cove PMIC 17240ba19cfcSBin Gao inside. 17250ba19cfcSBin Gao 17260ba19cfcSBin Gao This driver can also be built as a module. If so, the module will be 17270ba19cfcSBin Gao called gpio-wcove. 17280ba19cfcSBin Gao 1729e4b736f1SMark Brownconfig GPIO_WM831X 1730e4b736f1SMark Brown tristate "WM831x GPIOs" 1731e4b736f1SMark Brown depends on MFD_WM831X 1732e4b736f1SMark Brown help 1733e4b736f1SMark Brown Say yes here to access the GPIO signals of WM831x power management 1734e4b736f1SMark Brown chips from Wolfson Microelectronics. 1735e4b736f1SMark Brown 173638f6ce45SMark Brownconfig GPIO_WM8350 173738f6ce45SMark Brown tristate "WM8350 GPIOs" 173838f6ce45SMark Brown depends on MFD_WM8350 173938f6ce45SMark Brown help 174038f6ce45SMark Brown Say yes here to access the GPIO signals of WM8350 power management 174138f6ce45SMark Brown chips from Wolfson Microelectronics. 174238f6ce45SMark Brown 17432955c309SMark Brownconfig GPIO_WM8994 17442955c309SMark Brown tristate "WM8994 GPIOs" 17452955c309SMark Brown depends on MFD_WM8994 17462955c309SMark Brown help 17472955c309SMark Brown Say yes here to access the GPIO signals of WM8994 audio hub 17482955c309SMark Brown CODECs from Wolfson Microelectronics. 17492955c309SMark Brown 1750177b0381SLinus Walleijendmenu 1751177b0381SLinus Walleij 1752177b0381SLinus Walleijmenu "PCI GPIO expanders" 1753177b0381SLinus Walleij depends on PCI 1754ff1d5c2fSMichael Buesch 175592c33ef7SLinus Walleijconfig GPIO_AMD8111 175692c33ef7SLinus Walleij tristate "AMD 8111 GPIO driver" 175772aba2e2SPeter Robinson depends on X86 || COMPILE_TEST 1758c6414e1aSJohannes Berg depends on HAS_IOPORT_MAP 1759ff1d5c2fSMichael Buesch help 176092c33ef7SLinus Walleij The AMD 8111 southbridge contains 32 GPIO pins which can be used. 17615f0a96b0SAndres Salomon 1762dd1695a2SRandy Dunlap Note that usually system firmware/ACPI handles GPIO pins on their 1763dd1695a2SRandy Dunlap own and users might easily break their systems with uncareful usage 176492c33ef7SLinus Walleij of this driver! 1765ff1d5c2fSMichael Buesch 176692c33ef7SLinus Walleij If unsure, say N 17675f0a96b0SAndres Salomon 1768ff1d5c2fSMichael Bueschconfig GPIO_BT8XX 1769ff1d5c2fSMichael Buesch tristate "BT8XX GPIO abuser" 1770c948feeaSBartosz Golaszewski depends on VIDEO_BT848=n || COMPILE_TEST 1771ff1d5c2fSMichael Buesch help 177222520edcSGeert Uytterhoeven The BT8xx frame grabber chip has 24 GPIO pins that can be abused 1773ff1d5c2fSMichael Buesch as a cheap PCI GPIO card. 1774ff1d5c2fSMichael Buesch 1775ff1d5c2fSMichael Buesch This chip can be found on Miro, Hauppauge and STB TV-cards. 1776ff1d5c2fSMichael Buesch 1777ff1d5c2fSMichael Buesch The card needs to be physically altered for using it as a 1778ff1d5c2fSMichael Buesch GPIO card. For more information on how to build a GPIO card 1779ff1d5c2fSMichael Buesch from a BT8xx TV card, see the documentation file at 17805f07224eSJonathan Neuschäfer Documentation/driver-api/gpio/bt8xxgpio.rst 1781ff1d5c2fSMichael Buesch 1782ff1d5c2fSMichael Buesch If unsure, say N. 1783ff1d5c2fSMichael Buesch 1784ccf6fd6dSAndy Shevchenkoconfig GPIO_MERRIFIELD 1785ccf6fd6dSAndy Shevchenko tristate "Intel Merrifield GPIO support" 1786ccf6fd6dSAndy Shevchenko depends on X86_INTEL_MID 178734840be5SPandith N select GPIO_TANGIER 1788ccf6fd6dSAndy Shevchenko help 1789ccf6fd6dSAndy Shevchenko Say Y here to support Intel Merrifield GPIO. 17908bf02617SAlek Du 1791c78c42d7SShravan Kumar Ramaniconfig GPIO_MLXBF 1792c78c42d7SShravan Kumar Ramani tristate "Mellanox BlueField SoC GPIO" 1793cbe706b0SShravan Kumar Ramani depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) 1794c78c42d7SShravan Kumar Ramani select GPIO_GENERIC 1795c78c42d7SShravan Kumar Ramani help 1796c78c42d7SShravan Kumar Ramani Say Y here if you want GPIO support on Mellanox BlueField SoC. 1797c78c42d7SShravan Kumar Ramani 1798bc0ae0e7SAsmaa Mnebhiconfig GPIO_MLXBF2 1799bc0ae0e7SAsmaa Mnebhi tristate "Mellanox BlueField 2 SoC GPIO" 1800bc0ae0e7SAsmaa Mnebhi depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) 1801bc0ae0e7SAsmaa Mnebhi select GPIO_GENERIC 18022f43f602SLinus Walleij select GPIOLIB_IRQCHIP 1803bc0ae0e7SAsmaa Mnebhi help 1804bc0ae0e7SAsmaa Mnebhi Say Y here if you want GPIO support on Mellanox BlueField 2 SoC. 1805bc0ae0e7SAsmaa Mnebhi 1806cd33f216SAsmaa Mnebhiconfig GPIO_MLXBF3 1807cd33f216SAsmaa Mnebhi tristate "Mellanox BlueField 3 SoC GPIO" 1808cd33f216SAsmaa Mnebhi depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST 1809cd33f216SAsmaa Mnebhi select GPIO_GENERIC 1810cd33f216SAsmaa Mnebhi select GPIOLIB_IRQCHIP 1811cd33f216SAsmaa Mnebhi help 1812cd33f216SAsmaa Mnebhi Say Y if you want GPIO support on Mellanox BlueField 3 SoC. 1813cd33f216SAsmaa Mnebhi This GPIO controller supports interrupt handling and enables the 1814cd33f216SAsmaa Mnebhi manipulation of certain GPIO pins. 1815cd33f216SAsmaa Mnebhi This controller should be used in parallel with pinctrl-mlxbf3 to 1816cd33f216SAsmaa Mnebhi control the desired GPIOs. 1817cd33f216SAsmaa Mnebhi This driver can also be built as a module called mlxbf3-gpio. 1818cd33f216SAsmaa Mnebhi 181992c33ef7SLinus Walleijconfig GPIO_ML_IOH 182092c33ef7SLinus Walleij tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" 182172aba2e2SPeter Robinson depends on X86 || COMPILE_TEST 182292c33ef7SLinus Walleij select GENERIC_IRQ_CHIP 182392c33ef7SLinus Walleij help 182492c33ef7SLinus Walleij ML7213 is companion chip for Intel Atom E6xx series. 182592c33ef7SLinus Walleij This driver can be used for OKI SEMICONDUCTOR ML7213 IOH (Input/Output 182692c33ef7SLinus Walleij Hub) which is for IVI (In-Vehicle Infotainment) use. 182792c33ef7SLinus Walleij This driver can access the IOH's GPIO device. 182892c33ef7SLinus Walleij 182904c17aa8STomoya MORINAGAconfig GPIO_PCH 1830868fea05STomoya MORINAGA tristate "Intel EG20T PCH/LAPIS Semiconductor IOH (ML7223/ML7831) GPIO" 183103744529SAndrew F. Davis depends on X86_32 || MIPS || COMPILE_TEST 183238eb18a6STomoya MORINAGA select GENERIC_IRQ_CHIP 183304c17aa8STomoya MORINAGA help 1834dd1695a2SRandy Dunlap This driver is for PCH (Platform Controller Hub) GPIO of Intel Topcliff, 183504c17aa8STomoya MORINAGA which is an IOH (Input/Output Hub) for x86 embedded processor. 183604c17aa8STomoya MORINAGA This driver can access PCH GPIO device. 183704c17aa8STomoya MORINAGA 1838868fea05STomoya MORINAGA This driver also can be used for LAPIS Semiconductor IOH (Input/ 1839868fea05STomoya MORINAGA Output Hub), ML7223 and ML7831. 1840bc786cceSTomoya MORINAGA ML7223 IOH is for MP (Media Phone) use. 1841868fea05STomoya MORINAGA ML7831 IOH is for general purpose use. 1842868fea05STomoya MORINAGA ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1843868fea05STomoya MORINAGA ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1844bc786cceSTomoya MORINAGA 184502e74fc0SWilliam Breathitt Grayconfig GPIO_PCI_IDIO_16 184602e74fc0SWilliam Breathitt Gray tristate "ACCES PCI-IDIO-16 GPIO support" 184773d8f3efSWilliam Breathitt Gray select REGMAP_MMIO 1848e7f758faSWilliam Breathitt Gray select GPIO_IDIO_16 184902e74fc0SWilliam Breathitt Gray help 185002e74fc0SWilliam Breathitt Gray Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is 185102e74fc0SWilliam Breathitt Gray generated when any of the inputs change state (low to high or high to 185202e74fc0SWilliam Breathitt Gray low). Input filter control is not supported by this driver, and the 185302e74fc0SWilliam Breathitt Gray input filters are deactivated by this driver. 185402e74fc0SWilliam Breathitt Gray 185558556204SWilliam Breathitt Grayconfig GPIO_PCIE_IDIO_24 185658556204SWilliam Breathitt Gray tristate "ACCES PCIe-IDIO-24 GPIO support" 18571a200a39SWilliam Breathitt Gray select REGMAP_IRQ 18581a200a39SWilliam Breathitt Gray select REGMAP_MMIO 185958556204SWilliam Breathitt Gray select GPIOLIB_IRQCHIP 18601a200a39SWilliam Breathitt Gray select GPIO_REGMAP 186158556204SWilliam Breathitt Gray help 186258556204SWilliam Breathitt Gray Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24, 186358556204SWilliam Breathitt Gray PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated 186458556204SWilliam Breathitt Gray when any of the inputs change state (low to high or high to low). 186558556204SWilliam Breathitt Gray Input filter control is not supported by this driver, and the input 186658556204SWilliam Breathitt Gray filters are deactivated by this driver. 186758556204SWilliam Breathitt Gray 18689956d02dSFlorian Fainelliconfig GPIO_RDC321X 18699956d02dSFlorian Fainelli tristate "RDC R-321x GPIO support" 1870e4be3cb7SRandy Dunlap select MFD_CORE 18719956d02dSFlorian Fainelli select MFD_RDC321X 18729956d02dSFlorian Fainelli help 18739956d02dSFlorian Fainelli Support for the RDC R321x SoC GPIOs over southbridge 18749956d02dSFlorian Fainelli PCI configuration space. 18759956d02dSFlorian Fainelli 187635570ac6SRichard Röjforsconfig GPIO_SODAVILLE 1877a9c5fff5SDavid Brownell bool "Intel Sodaville GPIO support" 187803744529SAndrew F. Davis depends on X86 && OF 18790c36ec31SJuergen Beisert select GPIO_GENERIC 18800c36ec31SJuergen Beisert select GENERIC_IRQ_CHIP 1881e952805dSWolfram Sang help 18820c36ec31SJuergen Beisert Say Y here to support Intel Sodaville GPIO. 1883e952805dSWolfram Sang 1884177b0381SLinus Walleijendmenu 1885e58b9e27SDavid Brownell 1886177b0381SLinus Walleijmenu "SPI GPIO expanders" 1887177b0381SLinus Walleij depends on SPI_MASTER 1888e58b9e27SDavid Brownell 1889a7ec2e7fSLinus Walleijconfig GPIO_74X164 1890a7ec2e7fSLinus Walleij tristate "74x164 serial-in/parallel-out 8-bits shift register" 1891a7ec2e7fSLinus Walleij help 1892a7ec2e7fSLinus Walleij Driver for 74x164 compatible serial-in/parallel-out 8-outputs 1893a7ec2e7fSLinus Walleij shift registers. This driver can be used to provide access 1894dd1695a2SRandy Dunlap to more GPIO outputs. 1895e58b9e27SDavid Brownell 1896b2f68edfSLukas Wunnerconfig GPIO_MAX3191X 1897b2f68edfSLukas Wunner tristate "Maxim MAX3191x industrial serializer" 1898b2f68edfSLukas Wunner select CRC8 1899b2f68edfSLukas Wunner help 1900b2f68edfSLukas Wunner GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913, 1901b2f68edfSLukas Wunner MAX31953 and MAX31963 industrial serializer, a daisy-chainable 1902b2f68edfSLukas Wunner chip to make 8 digital 24V inputs available via SPI. Supports 1903b2f68edfSLukas Wunner CRC checksums to guard against electromagnetic interference, 1904b2f68edfSLukas Wunner as well as undervoltage and overtemperature detection. 1905b2f68edfSLukas Wunner 1906e58b9e27SDavid Brownellconfig GPIO_MAX7301 1907e58b9e27SDavid Brownell tristate "Maxim MAX7301 GPIO expander" 19081e5db006SRichard Röjfors select GPIO_MAX730X 19091e5db006SRichard Röjfors help 19101e5db006SRichard Röjfors GPIO driver for Maxim MAX7301 SPI-based GPIO expander. 19111e5db006SRichard Röjfors 19120963670aSLinus Walleijconfig GPIO_MC33880 19130963670aSLinus Walleij tristate "Freescale MC33880 high-side/low-side switch" 19140963670aSLinus Walleij help 19150963670aSLinus Walleij SPI driver for Freescale MC33880 high-side/low-side switch. 19160963670aSLinus Walleij This provides GPIO interface supporting inputs and outputs. 19170963670aSLinus Walleij 1918df6df93cSAndrew F. Davisconfig GPIO_PISOSR 1919df6df93cSAndrew F. Davis tristate "Generic parallel-in/serial-out shift register" 1920df6df93cSAndrew F. Davis help 1921df6df93cSAndrew F. Davis GPIO driver for SPI compatible parallel-in/serial-out shift 1922df6df93cSAndrew F. Davis registers. These are input only devices. 1923df6df93cSAndrew F. Davis 19245704520dSNandor Hanconfig GPIO_XRA1403 19255704520dSNandor Han tristate "EXAR XRA1403 16-bit GPIO expander" 1926665dff99SArnd Bergmann select REGMAP_SPI 19275704520dSNandor Han help 19285704520dSNandor Han GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander. 19295704520dSNandor Han 1930856ed97aSMarek Behúnconfig GPIO_MOXTET 1931856ed97aSMarek Behún tristate "Turris Mox Moxtet bus GPIO expander" 1932856ed97aSMarek Behún depends on MOXTET 1933856ed97aSMarek Behún help 1934856ed97aSMarek Behún Say yes here if you are building for the Turris Mox router. 1935856ed97aSMarek Behún This is the driver needed for configuring the GPIOs via the Moxtet 1936856ed97aSMarek Behún bus. For example the Mox module with SFP cage needs this driver 1937856ed97aSMarek Behún so that phylink can use corresponding GPIOs. 1938856ed97aSMarek Behún 19390963670aSLinus Walleijendmenu 19400963670aSLinus Walleij 1941177b0381SLinus Walleijmenu "USB GPIO expanders" 1942177b0381SLinus Walleij depends on USB 19439d5b72deSLars Poeschel 19449d5b72deSLars Poeschelconfig GPIO_VIPERBOARD 19459d5b72deSLars Poeschel tristate "Viperboard GPIO a & b support" 194603744529SAndrew F. Davis depends on MFD_VIPERBOARD 19479d5b72deSLars Poeschel help 19489d5b72deSLars Poeschel Say yes here to access the GPIO signals of Nano River 19499d5b72deSLars Poeschel Technologies Viperboard. There are two GPIO chips on the 19509d5b72deSLars Poeschel board: gpioa and gpiob. 19519d5b72deSLars Poeschel See viperboard API specification and Nano 19529d5b72deSLars Poeschel River Tech's viperboard.h for detailed meaning 19539d5b72deSLars Poeschel of the module parameters. 19549d5b72deSLars Poeschel 1955c46a74ffSMary Strodlconfig GPIO_MPSSE 1956c46a74ffSMary Strodl tristate "FTDI MPSSE GPIO support" 1957c46a74ffSMary Strodl select GPIOLIB_IRQCHIP 1958c46a74ffSMary Strodl help 1959c46a74ffSMary Strodl GPIO driver for FTDI's MPSSE interface. These can do input and 1960c46a74ffSMary Strodl output. Each MPSSE provides 16 IO pins. 1961c46a74ffSMary Strodl 1962c122451cSIsrael Cepedaconfig GPIO_USBIO 1963c122451cSIsrael Cepeda tristate "Intel USBIO GPIO support" 1964c122451cSIsrael Cepeda depends on USB_USBIO 1965c122451cSIsrael Cepeda default USB_USBIO 1966c122451cSIsrael Cepeda help 1967c122451cSIsrael Cepeda Select this option to enable GPIO driver for the INTEL 1968c122451cSIsrael Cepeda USBIO driver stack. 1969c122451cSIsrael Cepeda 1970c122451cSIsrael Cepeda This driver can also be built as a module. If so, the module 1971c122451cSIsrael Cepeda will be called gpio_usbio. 1972c122451cSIsrael Cepeda 1973177b0381SLinus Walleijendmenu 19746732127fSDaniel Baluta 1975b5252196SEnrico Weigelt, metux IT consultmenu "Virtual GPIO drivers" 1976b5252196SEnrico Weigelt, metux IT consult 1977828546e2SGeert Uytterhoevenconfig GPIO_AGGREGATOR 1978828546e2SGeert Uytterhoeven tristate "GPIO Aggregator" 197986f162e7SKoichiro Den select CONFIGFS_FS 198086f162e7SKoichiro Den select DEV_SYNC_PROBE 1981828546e2SGeert Uytterhoeven help 1982828546e2SGeert Uytterhoeven Say yes here to enable the GPIO Aggregator, which provides a way to 1983828546e2SGeert Uytterhoeven aggregate existing GPIO lines into a new virtual GPIO chip. 1984828546e2SGeert Uytterhoeven This can serve the following purposes: 1985828546e2SGeert Uytterhoeven - Assign permissions for a collection of GPIO lines to a user, 1986828546e2SGeert Uytterhoeven - Export a collection of GPIO lines to a virtual machine, 1987828546e2SGeert Uytterhoeven - Provide a generic driver for a GPIO-operated device in an 1988828546e2SGeert Uytterhoeven industrial control context, to be operated from userspace using 1989828546e2SGeert Uytterhoeven the GPIO chardev interface. 1990828546e2SGeert Uytterhoeven 19911454a928SSascha Hauerconfig GPIO_LATCH 19921454a928SSascha Hauer tristate "GPIO latch driver" 19931454a928SSascha Hauer help 19941454a928SSascha Hauer Say yes here to enable a driver for GPIO multiplexers based on latches 19951454a928SSascha Hauer connected to other GPIOs. 19961454a928SSascha Hauer 19976e4484eeSBartosz Golaszewskiconfig GPIO_MOCKUP 19989790222dSBartosz Golaszewski tristate "GPIO Testing Driver (DEPRECATED)" 19996e4484eeSBartosz Golaszewski select IRQ_SIM 20006e4484eeSBartosz Golaszewski help 20019790222dSBartosz Golaszewski This module is DEPRECATED. Please consider using gpio-sim instead. 20029790222dSBartosz Golaszewski 20036e4484eeSBartosz Golaszewski This enables GPIO Testing driver, which provides a way to test GPIO 20044bf24261SBartosz Golaszewski subsystem through sysfs (or char device) and debugfs. 20056e4484eeSBartosz Golaszewski User could use it through the script in 20066e4484eeSBartosz Golaszewski tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in 20076e4484eeSBartosz Golaszewski it. 20086e4484eeSBartosz Golaszewski 20093a29355aSViresh Kumarconfig GPIO_VIRTIO 20103a29355aSViresh Kumar tristate "VirtIO GPIO support" 20113a29355aSViresh Kumar depends on VIRTIO 2012eff5cdd7SViresh Kumar select GPIOLIB_IRQCHIP 20133a29355aSViresh Kumar help 20143a29355aSViresh Kumar Say Y here to enable guest support for virtio-based GPIO controllers. 20153a29355aSViresh Kumar 20163a29355aSViresh Kumar These virtual GPIOs can be routed to real GPIOs or attached to 20173a29355aSViresh Kumar simulators on the host (like QEMU). 20183a29355aSViresh Kumar 2019cb8c474eSBartosz Golaszewskiconfig GPIO_SIM 2020cb8c474eSBartosz Golaszewski tristate "GPIO Simulator Module" 2021cb8c474eSBartosz Golaszewski select IRQ_SIM 2022cb8c474eSBartosz Golaszewski select CONFIGFS_FS 20232f41dbf9SKoichiro Den select DEV_SYNC_PROBE 2024cb8c474eSBartosz Golaszewski help 2025cb8c474eSBartosz Golaszewski This enables the GPIO simulator - a configfs-based GPIO testing 2026cb8c474eSBartosz Golaszewski driver. 2027cb8c474eSBartosz Golaszewski 2028e992d54cSBartosz Golaszewskiconfig GPIO_SHARED_PROXY 2029e992d54cSBartosz Golaszewski tristate "Proxy driver for non-exclusive GPIOs" 2030e992d54cSBartosz Golaszewski default m 2031e992d54cSBartosz Golaszewski depends on GPIO_SHARED || COMPILE_TEST 2032e992d54cSBartosz Golaszewski select AUXILIARY_BUS 2033e992d54cSBartosz Golaszewski help 2034e992d54cSBartosz Golaszewski This enables the GPIO shared proxy driver - an abstraction layer 2035e992d54cSBartosz Golaszewski for GPIO pins that are shared by multiple devices. 2036e992d54cSBartosz Golaszewski 2037b5252196SEnrico Weigelt, metux IT consultendmenu 2038b5252196SEnrico Weigelt, metux IT consult 20397828b7bbSWolfram Sangmenu "GPIO Debugging utilities" 20407828b7bbSWolfram Sang 20417828b7bbSWolfram Sangconfig GPIO_SLOPPY_LOGIC_ANALYZER 20427828b7bbSWolfram Sang tristate "Sloppy GPIO logic analyzer" 20437828b7bbSWolfram Sang depends on (GPIOLIB || COMPILE_TEST) && CPUSETS && DEBUG_FS && EXPERT 20447828b7bbSWolfram Sang help 20457828b7bbSWolfram Sang This option enables support for a sloppy logic analyzer using polled 20467828b7bbSWolfram Sang GPIOs. Use the 'tools/gpio/gpio-sloppy-logic-analyzer' script with 20477828b7bbSWolfram Sang this driver. The script will make it easier to use and will also 20487828b7bbSWolfram Sang isolate a CPU for the polling task. Note that this is a last resort 20497828b7bbSWolfram Sang analyzer which can be affected by latencies, non-deterministic code 20507828b7bbSWolfram Sang paths, or NMIs. However, for e.g. remote development, it may be useful 20517828b7bbSWolfram Sang to get a first view and aid further debugging. 20527828b7bbSWolfram Sang 20537828b7bbSWolfram Sang If this driver is built as a module it will be called 20547828b7bbSWolfram Sang 'gpio-sloppy-logic-analyzer'. 20557828b7bbSWolfram Sang 205691581c4bSBartosz Golaszewskiconfig GPIO_VIRTUSER 205791581c4bSBartosz Golaszewski tristate "GPIO Virtual User Testing Module" 205891581c4bSBartosz Golaszewski select DEBUG_FS 205991581c4bSBartosz Golaszewski select CONFIGFS_FS 206091581c4bSBartosz Golaszewski select IRQ_WORK 206145af02f0SKoichiro Den select DEV_SYNC_PROBE 206291581c4bSBartosz Golaszewski help 206391581c4bSBartosz Golaszewski Say Y here to enable the configurable, configfs-based virtual GPIO 206491581c4bSBartosz Golaszewski consumer testing driver. 206591581c4bSBartosz Golaszewski 206691581c4bSBartosz Golaszewski This driver is aimed as a helper in spotting any regressions in 206791581c4bSBartosz Golaszewski hot-unplug handling in GPIOLIB. 206891581c4bSBartosz Golaszewski 20697828b7bbSWolfram Sangendmenu 20707828b7bbSWolfram Sang 20717444a72eSMichael Bueschendif 2072eb5ab6ffSKoichiro Den 2073eb5ab6ffSKoichiro Denconfig DEV_SYNC_PROBE 2074eb5ab6ffSKoichiro Den tristate 2075