drivers/gpio/Kconfig

   1 #
   2 # GPIO infrastructure and drivers
   3 #
   4
   5 config ARCH_HAVE_CUSTOM_GPIO_H
   6         bool
   7         help
   8           Selecting this config option from the architecture Kconfig allows
   9           the architecture to provide a custom asm/gpio.h implementation
  10           overriding the default implementations.  New uses of this are
  11           strongly discouraged.
  12
  13 menuconfig GPIOLIB
  14         bool "GPIO Support"
  15         select ANON_INODES
  16         help
  17           This enables GPIO support through the generic GPIO library.
  18           You only need to enable this, if you also want to enable
  19           one or more of the GPIO drivers below.
  20
  21           If unsure, say N.
  22
  23 if GPIOLIB
  24
  25 config GPIO_DEVRES
  26         def_bool y
  27         depends on HAS_IOMEM
  28
  29 config OF_GPIO
  30         def_bool y
  31         depends on OF
  32         depends on HAS_IOMEM
  33
  34 config GPIO_ACPI
  35         def_bool y
  36         depends on ACPI
  37
  38 config GPIOLIB_IRQCHIP
  39         select IRQ_DOMAIN
  40         bool
  41
  42 config DEBUG_GPIO
  43         bool "Debug GPIO calls"
  44         depends on DEBUG_KERNEL
  45         help
  46           Say Y here to add some extra checks and diagnostics to GPIO calls.
  47           These checks help ensure that GPIOs have been properly initialized
  48           before they are used, and that sleeping calls are not made from
  49           non-sleeping contexts.  They can make bitbanged serial protocols
  50           slower.  The diagnostics help catch the type of setup errors
  51           that are most common when setting up new platforms or boards.
  52
  53 config GPIO_SYSFS
  54         bool "/sys/class/gpio/... (sysfs interface)"
  55         depends on SYSFS
  56         help
  57           Say Y here to add a sysfs interface for GPIOs.
  58
  59           This is mostly useful to work around omissions in a system's
  60           kernel support.  Those are common in custom and semicustom
  61           hardware assembled using standard kernels with a minimum of
  62           custom patches.  In those cases, userspace code may import
  63           a given GPIO from the kernel, if no kernel driver requested it.
  64
  65           Kernel drivers may also request that a particular GPIO be
  66           exported to userspace; this can be useful when debugging.
  67
  68 config GPIO_GENERIC
  69         depends on HAS_IOMEM # Only for IOMEM drivers
  70         tristate
  71
  72 # put drivers in the right section, in alphabetical order
  73
  74 # This symbol is selected by both I2C and SPI expanders
  75 config GPIO_MAX730X
  76         tristate
  77
  78 menu "Memory mapped GPIO drivers"
  79         depends on HAS_IOMEM
  80
  81 config GPIO_74XX_MMIO
  82         tristate "GPIO driver for 74xx-ICs with MMIO access"
  83         depends on OF_GPIO
  84         select GPIO_GENERIC
  85         help
  86           Say yes here to support GPIO functionality for 74xx-compatible ICs
  87           with MMIO access. Compatible models include:
  88             1 bit:      741G125 (Input), 741G74 (Output)
  89             2 bits:     742G125 (Input), 7474 (Output)
  90             4 bits:     74125 (Input), 74175 (Output)
  91             6 bits:     74365 (Input), 74174 (Output)
  92             8 bits:     74244 (Input), 74273 (Output)
  93             16 bits:    741624 (Input), 7416374 (Output)
  94
  95 config GPIO_ALTERA
  96         tristate "Altera GPIO"
  97         depends on OF_GPIO
  98         select GPIOLIB_IRQCHIP
  99         help
 100           Say Y or M here to build support for the Altera PIO device.
 101
 102           If driver is built as a module it will be called gpio-altera.
 103
 104 config GPIO_AMDPT
 105         tristate "AMD Promontory GPIO support"
 106         depends on ACPI
 107         select GPIO_GENERIC
 108         help
 109           driver for GPIO functionality on Promontory IOHub
 110           Require ACPI ASL code to enumerate as a platform device.
 111
 112 config GPIO_ASPEED
 113         tristate "Aspeed GPIO support"
 114         depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
 115         select GPIOLIB_IRQCHIP
 116         help
 117           Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
 118
 119 config GPIO_ATH79
 120         tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
 121         default y if ATH79
 122         depends on ATH79 || COMPILE_TEST
 123         select GPIO_GENERIC
 124         select GPIOLIB_IRQCHIP
 125         help
 126           Select this option to enable GPIO driver for
 127           Atheros AR71XX/AR724X/AR913X SoC devices.
 128
 129 config GPIO_AXP209
 130         tristate "X-Powers AXP209 PMIC GPIO Support"
 131         depends on MFD_AXP20X
 132         help
 133           Say yes to enable GPIO support for the AXP209 PMIC
 134
 135 config GPIO_BCM_KONA
 136         bool "Broadcom Kona GPIO"
 137         depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
 138         help
 139           Turn on GPIO support for Broadcom "Kona" chips.
 140
 141 config GPIO_BRCMSTB
 142         tristate "BRCMSTB GPIO support"
 143         default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
 144         depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
 145         select GPIO_GENERIC
 146         select GPIOLIB_IRQCHIP
 147         help
 148           Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
 149
 150 config GPIO_CLPS711X
 151         tristate "CLPS711X GPIO support"
 152         depends on ARCH_CLPS711X || COMPILE_TEST
 153         select GPIO_GENERIC
 154         help
 155           Say yes here to support GPIO on CLPS711X SoCs.
 156
 157 config GPIO_DAVINCI
 158         bool "TI Davinci/Keystone GPIO support"
 159         default y if ARCH_DAVINCI
 160         depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
 161         help
 162           Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
 163
 164 config GPIO_DWAPB
 165         tristate "Synopsys DesignWare APB GPIO driver"
 166         select GPIO_GENERIC
 167         select GENERIC_IRQ_CHIP
 168         help
 169           Say Y or M here to build support for the Synopsys DesignWare APB
 170           GPIO block.
 171
 172 config GPIO_EM
 173         tristate "Emma Mobile GPIO"
 174         depends on ARM && OF_GPIO
 175         help
 176           Say yes here to support GPIO on Renesas Emma Mobile SoCs.
 177
 178 config GPIO_EP93XX
 179         def_bool y
 180         depends on ARCH_EP93XX
 181         select GPIO_GENERIC
 182
 183 config GPIO_ETRAXFS
 184         bool "Axis ETRAX FS General I/O"
 185         depends on CRIS || COMPILE_TEST
 186         depends on OF_GPIO
 187         select GPIO_GENERIC
 188         select GPIOLIB_IRQCHIP
 189         help
 190           Say yes here to support the GPIO controller on Axis ETRAX FS SoCs.
 191
 192 config GPIO_GE_FPGA
 193         bool "GE FPGA based GPIO"
 194         depends on GE_FPGA
 195         select GPIO_GENERIC
 196         help
 197           Support for common GPIO functionality provided on some GE Single Board
 198           Computers.
 199
 200           This driver provides basic support (configure as input or output, read
 201           and write pin state) for GPIO implemented in a number of GE single
 202           board computers.
 203
 204 config GPIO_GENERIC_PLATFORM
 205         tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
 206         select GPIO_GENERIC
 207         help
 208           Say yes here to support basic platform_device memory-mapped GPIO controllers.
 209
 210 config GPIO_GRGPIO
 211         tristate "Aeroflex Gaisler GRGPIO support"
 212         depends on OF_GPIO
 213         select GPIO_GENERIC
 214         select IRQ_DOMAIN
 215         help
 216           Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
 217           VHDL IP core library.
 218
 219 config GPIO_ICH
 220         tristate "Intel ICH GPIO"
 221         depends on PCI && X86
 222         select MFD_CORE
 223         select LPC_ICH
 224         help
 225           Say yes here to support the GPIO functionality of a number of Intel
 226           ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
 227           ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
 228           Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
 229
 230           If unsure, say N.
 231
 232 config GPIO_IOP
 233         tristate "Intel IOP GPIO"
 234         depends on ARCH_IOP32X || ARCH_IOP33X || COMPILE_TEST
 235         select GPIO_GENERIC
 236         help
 237           Say yes here to support the GPIO functionality of a number of Intel
 238           IOP32X or IOP33X.
 239
 240           If unsure, say N.
 241
 242 config GPIO_LOONGSON
 243         bool "Loongson-2/3 GPIO support"
 244         depends on CPU_LOONGSON2 || CPU_LOONGSON3
 245         help
 246           driver for GPIO functionality on Loongson-2F/3A/3B processors.
 247
 248 config GPIO_LPC18XX
 249         tristate "NXP LPC18XX/43XX GPIO support"
 250         default y if ARCH_LPC18XX
 251         depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
 252         help
 253           Select this option to enable GPIO driver for
 254           NXP LPC18XX/43XX devices.
 255
 256 config GPIO_LYNXPOINT
 257         tristate "Intel Lynxpoint GPIO support"
 258         depends on ACPI && X86
 259         select GPIOLIB_IRQCHIP
 260         help
 261           driver for GPIO functionality on Intel Lynxpoint PCH chipset
 262           Requires ACPI device enumeration code to set up a platform device.
 263
 264 config GPIO_MB86S7X
 265         bool "GPIO support for Fujitsu MB86S7x Platforms"
 266         depends on ARCH_MB86S7X || COMPILE_TEST
 267         help
 268           Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
 269
 270 config GPIO_MENZ127
 271         tristate "MEN 16Z127 GPIO support"
 272         depends on MCB
 273         select GPIO_GENERIC
 274         help
 275          Say yes here to support the MEN 16Z127 GPIO Controller
 276
 277 config GPIO_MM_LANTIQ
 278         bool "Lantiq Memory mapped GPIOs"
 279         depends on LANTIQ && SOC_XWAY
 280         help
 281           This enables support for memory mapped GPIOs on the External Bus Unit
 282           (EBU) found on Lantiq SoCs. The gpios are output only as they are
 283           created by attaching a 16bit latch to the bus.
 284
 285 config GPIO_MOCKUP
 286         tristate "GPIO Testing Driver"
 287         depends on GPIOLIB
 288         select GPIO_SYSFS
 289         help
 290           This enables GPIO Testing driver, which provides a way to test GPIO
 291           subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
 292           must be selected for this test.
 293           User could use it through the script in
 294           tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
 295           it.
 296
 297 config GPIO_MOXART
 298         bool "MOXART GPIO support"
 299         depends on ARCH_MOXART || COMPILE_TEST
 300         select GPIO_GENERIC
 301         help
 302           Select this option to enable GPIO driver for
 303           MOXA ART SoC devices.
 304
 305 config GPIO_MPC5200
 306         def_bool y
 307         depends on PPC_MPC52xx
 308
 309 config GPIO_MPC8XXX
 310         bool "MPC512x/MPC8xxx/QorIQ GPIO support"
 311         depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
 312                    FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
 313                    COMPILE_TEST
 314         select GPIO_GENERIC
 315         select IRQ_DOMAIN
 316         help
 317           Say Y here if you're going to use hardware that connects to the
 318           MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
 319
 320 config GPIO_MVEBU
 321         def_bool y
 322         depends on PLAT_ORION
 323         depends on OF_GPIO
 324         select GENERIC_IRQ_CHIP
 325
 326 config GPIO_MXC
 327         def_bool y
 328         depends on ARCH_MXC
 329         select GPIO_GENERIC
 330         select GENERIC_IRQ_CHIP
 331
 332 config GPIO_MXS
 333         def_bool y
 334         depends on ARCH_MXS
 335         select GPIO_GENERIC
 336         select GENERIC_IRQ_CHIP
 337
 338 config GPIO_OCTEON
 339         tristate "Cavium OCTEON GPIO"
 340         depends on GPIOLIB && CAVIUM_OCTEON_SOC
 341         default y
 342         help
 343           Say yes here to support the on-chip GPIO lines on the OCTEON
 344           family of SOCs.
 345
 346 config GPIO_OMAP
 347         tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
 348         default y if ARCH_OMAP
 349         depends on ARM
 350         select GENERIC_IRQ_CHIP
 351         select GPIOLIB_IRQCHIP
 352         help
 353           Say yes here to enable GPIO support for TI OMAP SoCs.
 354
 355 config GPIO_PL061
 356         bool "PrimeCell PL061 GPIO support"
 357         depends on ARM_AMBA
 358         select IRQ_DOMAIN
 359         select GPIOLIB_IRQCHIP
 360         help
 361           Say yes here to support the PrimeCell PL061 GPIO device
 362
 363 config GPIO_PXA
 364         bool "PXA GPIO support"
 365         depends on ARCH_PXA || ARCH_MMP
 366         help
 367           Say yes here to support the PXA GPIO device
 368
 369 config GPIO_RCAR
 370         tristate "Renesas R-Car GPIO"
 371         depends on ARCH_RENESAS || COMPILE_TEST
 372         select GPIOLIB_IRQCHIP
 373         help
 374           Say yes here to support GPIO on Renesas R-Car SoCs.
 375
 376 config GPIO_SPEAR_SPICS
 377         bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 378         depends on PLAT_SPEAR
 379         select GENERIC_IRQ_CHIP
 380         help
 381           Say yes here to support ST SPEAr SPI Chip Select as GPIO device
 382
 383 config GPIO_STA2X11
 384         bool "STA2x11/ConneXt GPIO support"
 385         depends on MFD_STA2X11
 386         select GENERIC_IRQ_CHIP
 387         help
 388           Say yes here to support the STA2x11/ConneXt GPIO device.
 389           The GPIO module has 128 GPIO pins with alternate functions.
 390
 391 config GPIO_STP_XWAY
 392         bool "XWAY STP GPIOs"
 393         depends on SOC_XWAY
 394         help
 395           This enables support for the Serial To Parallel (STP) unit found on
 396           XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
 397           that can be up to 24 bit. This peripheral is aimed at driving leds.
 398           Some of the gpios/leds can be auto updated by the soc with dsl and
 399           phy status.
 400
 401 config GPIO_SYSCON
 402         tristate "GPIO based on SYSCON"
 403         depends on MFD_SYSCON && OF
 404         help
 405           Say yes here to support GPIO functionality though SYSCON driver.
 406
 407 config GPIO_TB10X
 408         bool
 409         select GENERIC_IRQ_CHIP
 410         select OF_GPIO
 411
 412 config GPIO_TEGRA
 413         bool "NVIDIA Tegra GPIO support"
 414         default ARCH_TEGRA
 415         depends on ARCH_TEGRA || COMPILE_TEST
 416         depends on OF_GPIO
 417         help
 418           Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
 419
 420 config GPIO_TS4800
 421         tristate "TS-4800 DIO blocks and compatibles"
 422         depends on OF_GPIO
 423         depends on SOC_IMX51 || COMPILE_TEST
 424         select GPIO_GENERIC
 425         help
 426           This driver support TS-4800 FPGA GPIO controllers.
 427
 428 config GPIO_TZ1090
 429         bool "Toumaz Xenif TZ1090 GPIO support"
 430         depends on SOC_TZ1090
 431         select GENERIC_IRQ_CHIP
 432         default y
 433         help
 434           Say yes here to support Toumaz Xenif TZ1090 GPIOs.
 435
 436 config GPIO_TZ1090_PDC
 437         bool "Toumaz Xenif TZ1090 PDC GPIO support"
 438         depends on SOC_TZ1090
 439         default y
 440         help
 441           Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
 442
 443 config GPIO_VF610
 444         def_bool y
 445         depends on ARCH_MXC && SOC_VF610
 446         select GPIOLIB_IRQCHIP
 447         help
 448           Say yes here to support Vybrid vf610 GPIOs.
 449
 450 config GPIO_VR41XX
 451         tristate "NEC VR4100 series General-purpose I/O Uint support"
 452         depends on CPU_VR41XX
 453         help
 454           Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 455
 456 config GPIO_VX855
 457         tristate "VIA VX855/VX875 GPIO"
 458         depends on PCI
 459         select MFD_CORE
 460         select MFD_VX855
 461         help
 462           Support access to the VX855/VX875 GPIO lines through the gpio library.
 463
 464           This driver provides common support for accessing the device,
 465           additional drivers must be enabled in order to use the
 466           functionality of the device.
 467
 468 config GPIO_XGENE
 469         bool "APM X-Gene GPIO controller support"
 470         depends on ARM64 && OF_GPIO
 471         help
 472           This driver is to support the GPIO block within the APM X-Gene SoC
 473           platform's generic flash controller. The GPIO pins are muxed with
 474           the generic flash controller's address and data pins. Say yes
 475           here to enable the GFC GPIO functionality.
 476
 477 config GPIO_XGENE_SB
 478         tristate "APM X-Gene GPIO standby controller support"
 479         depends on ARCH_XGENE && OF_GPIO
 480         select GPIO_GENERIC
 481         select GPIOLIB_IRQCHIP
 482         help
 483           This driver supports the GPIO block within the APM X-Gene
 484           Standby Domain. Say yes here to enable the GPIO functionality.
 485
 486 config GPIO_XILINX
 487         tristate "Xilinx GPIO support"
 488         depends on OF_GPIO
 489         help
 490           Say yes here to support the Xilinx FPGA GPIO device
 491
 492 config GPIO_XLP
 493         tristate "Netlogic XLP GPIO support"
 494         depends on OF_GPIO && (CPU_XLP || ARCH_VULCAN || COMPILE_TEST)
 495         select GPIOLIB_IRQCHIP
 496         help
 497           This driver provides support for GPIO interface on Netlogic XLP MIPS64
 498           SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
 499           XLP9XX and XLP5XX.
 500
 501           If unsure, say N.
 502
 503 config GPIO_XTENSA
 504         bool "Xtensa GPIO32 support"
 505         depends on XTENSA
 506         depends on HAVE_XTENSA_GPIO32
 507         depends on !SMP
 508         help
 509           Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
 510           and EXPSTATE (output) ports
 511
 512 config GPIO_ZEVIO
 513         bool "LSI ZEVIO SoC memory mapped GPIOs"
 514         depends on ARM && OF_GPIO
 515         help
 516           Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
 517
 518 config GPIO_ZYNQ
 519         tristate "Xilinx Zynq GPIO support"
 520         depends on ARCH_ZYNQ || ARCH_ZYNQMP
 521         select GPIOLIB_IRQCHIP
 522         help
 523           Say yes here to support Xilinx Zynq GPIO controller.
 524
 525 config GPIO_ZX
 526         bool "ZTE ZX GPIO support"
 527         select GPIOLIB_IRQCHIP
 528         help
 529           Say yes here to support the GPIO device on ZTE ZX SoCs.
 530
 531 config GPIO_LOONGSON1
 532         tristate "Loongson1 GPIO support"
 533         depends on MACH_LOONGSON32
 534         select GPIO_GENERIC
 535         help
 536           Say Y or M here to support GPIO on Loongson1 SoCs.
 537
 538 endmenu
 539
 540 menu "Port-mapped I/O GPIO drivers"
 541         depends on X86 # Unconditional I/O space access
 542
 543 config GPIO_104_DIO_48E
 544         tristate "ACCES 104-DIO-48E GPIO support"
 545         depends on ISA_BUS_API
 546         select GPIOLIB_IRQCHIP
 547         help
 548           Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
 549           104-DIO-24E). The base port addresses for the devices may be
 550           configured via the base module parameter. The interrupt line numbers
 551           for the devices may be configured via the irq module parameter.
 552
 553 config GPIO_104_IDIO_16
 554         tristate "ACCES 104-IDIO-16 GPIO support"
 555         depends on ISA_BUS_API
 556         select GPIOLIB_IRQCHIP
 557         help
 558           Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
 559           104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
 560           base port addresses for the devices may be configured via the base
 561           module parameter. The interrupt line numbers for the devices may be
 562           configured via the irq module parameter.
 563
 564 config GPIO_104_IDI_48
 565         tristate "ACCES 104-IDI-48 GPIO support"
 566         depends on ISA_BUS_API
 567         select GPIOLIB_IRQCHIP
 568         help
 569           Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
 570           104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
 571           the devices may be configured via the base module parameter. The
 572           interrupt line numbers for the devices may be configured via the irq
 573           module parameter.
 574
 575 config GPIO_F7188X
 576         tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
 577         help
 578           This option enables support for GPIOs found on Fintek Super-I/O
 579           chips F71869, F71869A, F71882FG, F71889F and F81866.
 580
 581           To compile this driver as a module, choose M here: the module will
 582           be called f7188x-gpio.
 583
 584 config GPIO_GPIO_MM
 585         tristate "Diamond Systems GPIO-MM GPIO support"
 586         depends on ISA_BUS_API
 587         help
 588           Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
 589
 590           The Diamond Systems GPIO-MM device features 48 lines of digital I/O
 591           via the emulation of dual 82C55A PPI chips. This driver provides GPIO
 592           support for these 48 channels of digital I/O.
 593
 594           The base port addresses for the devices may be configured via the base
 595           array module parameter.
 596
 597 config GPIO_IT87
 598         tristate "IT87xx GPIO support"
 599         help
 600           Say yes here to support GPIO functionality of IT87xx Super I/O chips.
 601
 602           This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
 603           supports the IT8761E, IT8620E and IT8628E Super I/O chip as well.
 604
 605           To compile this driver as a module, choose M here: the module will
 606           be called gpio_it87
 607
 608 config GPIO_SCH
 609         tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
 610         depends on PCI
 611         select MFD_CORE
 612         select LPC_SCH
 613         help
 614           Say yes here to support GPIO interface on Intel Poulsbo SCH,
 615           Intel Tunnel Creek processor, Intel Centerton processor or
 616           Intel Quark X1000 SoC.
 617
 618           The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
 619           powered by the core power rail and are turned off during sleep
 620           modes (S3 and higher). The remaining four GPIOs are powered by
 621           the Intel SCH suspend power supply. These GPIOs remain
 622           active during S3. The suspend powered GPIOs can be used to wake the
 623           system from the Suspend-to-RAM state.
 624
 625           The Intel Tunnel Creek processor has 5 GPIOs powered by the
 626           core power rail and 9 from suspend power supply.
 627
 628           The Intel Centerton processor has a total of 30 GPIO pins.
 629           Twenty-one are powered by the core power rail and 9 from the
 630           suspend power supply.
 631
 632           The Intel Quark X1000 SoC has 2 GPIOs powered by the core
 633           power well and 6 from the suspend power well.
 634
 635 config GPIO_SCH311X
 636         tristate "SMSC SCH311x SuperI/O GPIO"
 637         help
 638           Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
 639           SCH3116 "Super I/O" chipsets.
 640
 641           To compile this driver as a module, choose M here: the module will
 642           be called gpio-sch311x.
 643
 644 config GPIO_TS5500
 645         tristate "TS-5500 DIO blocks and compatibles"
 646         depends on TS5500 || COMPILE_TEST
 647         help
 648           This driver supports Digital I/O exposed by pin blocks found on some
 649           Technologic Systems platforms. It includes, but is not limited to, 3
 650           blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
 651           LCD port.
 652
 653 config GPIO_WS16C48
 654         tristate "WinSystems WS16C48 GPIO support"
 655         depends on ISA_BUS_API
 656         select GPIOLIB_IRQCHIP
 657         help
 658           Enables GPIO support for the WinSystems WS16C48. The base port
 659           addresses for the devices may be configured via the base module
 660           parameter. The interrupt line numbers for the devices may be
 661           configured via the irq module parameter.
 662
 663 endmenu
 664
 665 menu "I2C GPIO expanders"
 666         depends on I2C
 667
 668 config GPIO_ADP5588
 669         tristate "ADP5588 I2C GPIO expander"
 670         help
 671           This option enables support for 18 GPIOs found
 672           on Analog Devices ADP5588 GPIO Expanders.
 673
 674 config GPIO_ADP5588_IRQ
 675         bool "Interrupt controller support for ADP5588"
 676         depends on GPIO_ADP5588=y
 677         help
 678           Say yes here to enable the adp5588 to be used as an interrupt
 679           controller. It requires the driver to be built in the kernel.
 680
 681 config GPIO_ADNP
 682         tristate "Avionic Design N-bit GPIO expander"
 683         depends on OF_GPIO
 684         select GPIOLIB_IRQCHIP
 685         help
 686           This option enables support for N GPIOs found on Avionic Design
 687           I2C GPIO expanders. The register space will be extended by powers
 688           of two, so the controller will need to accommodate for that. For
 689           example: if a controller provides 48 pins, 6 registers will be
 690           enough to represent all pins, but the driver will assume a
 691           register layout for 64 pins (8 registers).
 692
 693 config GPIO_MAX7300
 694         tristate "Maxim MAX7300 GPIO expander"
 695         select GPIO_MAX730X
 696         help
 697           GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
 698
 699 config GPIO_MAX732X
 700         tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 701         help
 702           Say yes here to support the MAX7319, MAX7320-7327 series of I2C
 703           Port Expanders. Each IO port on these chips has a fixed role of
 704           Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
 705           Input and Output (designed by 'P'). The combinations are listed
 706           below:
 707
 708           8 bits:       max7319 (8I), max7320 (8O), max7321 (8P),
 709                         max7322 (4I4O), max7323 (4P4O)
 710
 711           16 bits:      max7324 (8I8O), max7325 (8P8O),
 712                         max7326 (4I12O), max7327 (4P12O)
 713
 714           Board setup code must specify the model to use, and the start
 715           number for these GPIOs.
 716
 717 config GPIO_MAX732X_IRQ
 718         bool "Interrupt controller support for MAX732x"
 719         depends on GPIO_MAX732X=y
 720         select GPIOLIB_IRQCHIP
 721         help
 722           Say yes here to enable the max732x to be used as an interrupt
 723           controller. It requires the driver to be built in the kernel.
 724
 725 config GPIO_MC9S08DZ60
 726         bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
 727         depends on I2C=y && MACH_MX35_3DS
 728         help
 729           Select this to enable the MC9S08DZ60 GPIO driver
 730
 731 config GPIO_PCA953X
 732         tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
 733         help
 734           Say yes here to provide access to several register-oriented
 735           SMBus I/O expanders, made mostly by NXP or TI.  Compatible
 736           models include:
 737
 738           4 bits:       pca9536, pca9537
 739
 740           8 bits:       max7310, max7315, pca6107, pca9534, pca9538, pca9554,
 741                         pca9556, pca9557, pca9574, tca6408, xra1202
 742
 743           16 bits:      max7312, max7313, pca9535, pca9539, pca9555, pca9575,
 744                         tca6416
 745
 746           24 bits:      tca6424
 747
 748           40 bits:      pca9505, pca9698
 749
 750 config GPIO_PCA953X_IRQ
 751         bool "Interrupt controller support for PCA953x"
 752         depends on GPIO_PCA953X=y
 753         select GPIOLIB_IRQCHIP
 754         help
 755           Say yes here to enable the pca953x to be used as an interrupt
 756           controller. It requires the driver to be built in the kernel.
 757
 758 config GPIO_PCF857X
 759         tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
 760         select GPIOLIB_IRQCHIP
 761         select IRQ_DOMAIN
 762         help
 763           Say yes here to provide access to most "quasi-bidirectional" I2C
 764           GPIO expanders used for additional digital outputs or inputs.
 765           Most of these parts are from NXP, though TI is a second source for
 766           some of them.  Compatible models include:
 767
 768           8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
 769                     pca9670, pca9672, pca9674, pca9674a,
 770                     max7328, max7329
 771
 772           16 bits:  pcf8575, pcf8575c, pca8575,
 773                     pca9671, pca9673, pca9675
 774
 775           Your board setup code will need to declare the expanders in
 776           use, and assign numbers to the GPIOs they expose.  Those GPIOs
 777           can then be used from drivers and other kernel code, just like
 778           other GPIOs, but only accessible from task contexts.
 779
 780           This driver provides an in-kernel interface to those GPIOs using
 781           platform-neutral GPIO calls.
 782
 783 config GPIO_SX150X
 784         bool "Semtech SX150x I2C GPIO expander"
 785         depends on I2C=y
 786         select GPIOLIB_IRQCHIP
 787         default n
 788         help
 789           Say yes here to provide support for Semtech SX150-series I2C
 790           GPIO expanders. Compatible models include:
 791
 792           8 bits:  sx1508q
 793           16 bits: sx1509q
 794
 795 config GPIO_TPIC2810
 796         tristate "TPIC2810 8-Bit I2C GPO expander"
 797         help
 798           Say yes here to enable the GPO driver for the TI TPIC2810 chip.
 799
 800           To compile this driver as a module, choose M here: the module will
 801           be called gpio-tpic2810.
 802
 803 config GPIO_TS4900
 804         tristate "Technologic Systems FPGA I2C GPIO"
 805         select REGMAP_I2C
 806         help
 807           Say yes here to enabled the GPIO driver for Technologic's FPGA core.
 808           Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
 809
 810 endmenu
 811
 812 menu "MFD GPIO expanders"
 813
 814 config GPIO_ADP5520
 815         tristate "GPIO Support for ADP5520 PMIC"
 816         depends on PMIC_ADP5520
 817         help
 818           This option enables support for on-chip GPIO found
 819           on Analog Devices ADP5520 PMICs.
 820
 821 config GPIO_ARIZONA
 822         tristate "Wolfson Microelectronics Arizona class devices"
 823         depends on MFD_ARIZONA
 824         help
 825           Support for GPIOs on Wolfson Arizona class devices.
 826
 827 config GPIO_CRYSTAL_COVE
 828         tristate "GPIO support for Crystal Cove PMIC"
 829         depends on INTEL_SOC_PMIC
 830         select GPIOLIB_IRQCHIP
 831         help
 832           Support for GPIO pins on Crystal Cove PMIC.
 833
 834           Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
 835           inside.
 836
 837           This driver can also be built as a module. If so, the module will be
 838           called gpio-crystalcove.
 839
 840 config GPIO_CS5535
 841         tristate "AMD CS5535/CS5536 GPIO support"
 842         depends on MFD_CS5535
 843         help
 844           The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
 845           can be used for quite a number of things.  The CS5535/6 is found on
 846           AMD Geode and Lemote Yeeloong devices.
 847
 848           If unsure, say N.
 849
 850 config GPIO_DA9052
 851         tristate "Dialog DA9052 GPIO"
 852         depends on PMIC_DA9052
 853         help
 854           Say yes here to enable the GPIO driver for the DA9052 chip.
 855
 856 config GPIO_DA9055
 857         tristate "Dialog Semiconductor DA9055 GPIO"
 858         depends on MFD_DA9055
 859         help
 860           Say yes here to enable the GPIO driver for the DA9055 chip.
 861
 862           The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
 863           be controller by this driver.
 864
 865           If driver is built as a module it will be called gpio-da9055.
 866
 867 config GPIO_DLN2
 868         tristate "Diolan DLN2 GPIO support"
 869         depends on MFD_DLN2
 870         select GPIOLIB_IRQCHIP
 871
 872         help
 873           Select this option to enable GPIO driver for the Diolan DLN2
 874           board.
 875
 876           This driver can also be built as a module. If so, the module
 877           will be called gpio-dln2.
 878
 879 config HTC_EGPIO
 880         bool "HTC EGPIO support"
 881         depends on GPIOLIB && ARM
 882         help
 883             This driver supports the CPLD egpio chip present on
 884             several HTC phones.  It provides basic support for input
 885             pins, output pins, and irqs.
 886
 887 config GPIO_JANZ_TTL
 888         tristate "Janz VMOD-TTL Digital IO Module"
 889         depends on MFD_JANZ_CMODIO
 890         help
 891           This enables support for the Janz VMOD-TTL Digital IO module.
 892           This driver provides support for driving the pins in output
 893           mode only. Input mode is not supported.
 894
 895 config GPIO_KEMPLD
 896         tristate "Kontron ETX / COMexpress GPIO"
 897         depends on MFD_KEMPLD
 898         help
 899           This enables support for the PLD GPIO interface on some Kontron ETX
 900           and COMexpress (ETXexpress) modules.
 901
 902           This driver can also be built as a module. If so, the module will be
 903           called gpio-kempld.
 904
 905 config GPIO_LP3943
 906         tristate "TI/National Semiconductor LP3943 GPIO expander"
 907         depends on MFD_LP3943
 908         help
 909           GPIO driver for LP3943 MFD.
 910           LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
 911           Open drain outputs are required for this usage.
 912
 913 config GPIO_LP873X
 914         tristate "TI LP873X GPO"
 915         depends on MFD_TI_LP873X
 916         help
 917           This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
 918           on LP873X PMICs.
 919
 920           This driver can also be built as a module. If so, the module will be
 921           called gpio-lp873x.
 922
 923 config GPIO_MAX77620
 924         tristate "GPIO support for PMIC MAX77620 and MAX20024"
 925         depends on MFD_MAX77620
 926         help
 927           GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
 928           MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
 929           driver also provides interrupt support for each of the gpios.
 930           Say yes here to enable the max77620 to be used as gpio controller.
 931
 932 config GPIO_MSIC
 933         bool "Intel MSIC mixed signal gpio support"
 934         depends on MFD_INTEL_MSIC
 935         help
 936           Enable support for GPIO on intel MSIC controllers found in
 937           intel MID devices
 938
 939 config GPIO_PALMAS
 940         bool "TI PALMAS series PMICs GPIO"
 941         depends on MFD_PALMAS
 942         help
 943           Select this option to enable GPIO driver for the TI PALMAS
 944           series chip family.
 945
 946 config GPIO_RC5T583
 947         bool "RICOH RC5T583 GPIO"
 948         depends on MFD_RC5T583
 949         help
 950           Select this option to enable GPIO driver for the Ricoh RC5T583
 951           chip family.
 952           This driver provides the support for driving/reading the gpio pins
 953           of RC5T583 device through standard gpio library.
 954
 955 config GPIO_STMPE
 956         bool "STMPE GPIOs"
 957         depends on MFD_STMPE
 958         depends on OF_GPIO
 959         select GPIOLIB_IRQCHIP
 960         help
 961           This enables support for the GPIOs found on the STMPE I/O
 962           Expanders.
 963
 964 config GPIO_TC3589X
 965         bool "TC3589X GPIOs"
 966         depends on MFD_TC3589X
 967         depends on OF_GPIO
 968         select GPIOLIB_IRQCHIP
 969         help
 970           This enables support for the GPIOs found on the TC3589X
 971           I/O Expander.
 972
 973 config GPIO_TIMBERDALE
 974         bool "Support for timberdale GPIO IP"
 975         depends on MFD_TIMBERDALE
 976         ---help---
 977         Add support for the GPIO IP in the timberdale FPGA.
 978
 979 config GPIO_TPS65086
 980         tristate "TI TPS65086 GPO"
 981         depends on MFD_TPS65086
 982         help
 983           This driver supports the GPO on TI TPS65086x PMICs.
 984
 985 config GPIO_TPS65218
 986         tristate "TPS65218 GPIO"
 987         depends on MFD_TPS65218
 988         help
 989           Select this option to enable GPIO driver for the TPS65218
 990           chip family.
 991
 992 config GPIO_TPS6586X
 993         bool "TPS6586X GPIO"
 994         depends on MFD_TPS6586X
 995         help
 996           Select this option to enable GPIO driver for the TPS6586X
 997           chip family.
 998
 999 config GPIO_TPS65910
1000         bool "TPS65910 GPIO"
1001         depends on MFD_TPS65910
1002         help
1003           Select this option to enable GPIO driver for the TPS65910
1004           chip family.
1005
1006 config GPIO_TPS65912
1007         tristate "TI TPS65912 GPIO"
1008         depends on MFD_TPS65912
1009         help
1010           This driver supports TPS65912 gpio chip
1011
1012 config GPIO_TWL4030
1013         tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1014         depends on TWL4030_CORE
1015         help
1016           Say yes here to access the GPIO signals of various multi-function
1017           power management chips from Texas Instruments.
1018
1019 config GPIO_TWL6040
1020         tristate "TWL6040 GPO"
1021         depends on TWL6040_CORE
1022         help
1023           Say yes here to access the GPO signals of twl6040
1024           audio chip from Texas Instruments.
1025
1026 config GPIO_UCB1400
1027         tristate "Philips UCB1400 GPIO"
1028         depends on UCB1400_CORE
1029         help
1030           This enables support for the Philips UCB1400 GPIO pins.
1031           The UCB1400 is an AC97 audio codec.
1032
1033 config GPIO_WHISKEY_COVE
1034         tristate "GPIO support for Whiskey Cove PMIC"
1035         depends on INTEL_SOC_PMIC
1036         select GPIOLIB_IRQCHIP
1037         help
1038           Support for GPIO pins on Whiskey Cove PMIC.
1039
1040           Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
1041           inside.
1042
1043           This driver can also be built as a module. If so, the module will be
1044           called gpio-wcove.
1045
1046 config GPIO_WM831X
1047         tristate "WM831x GPIOs"
1048         depends on MFD_WM831X
1049         help
1050           Say yes here to access the GPIO signals of WM831x power management
1051           chips from Wolfson Microelectronics.
1052
1053 config GPIO_WM8350
1054         tristate "WM8350 GPIOs"
1055         depends on MFD_WM8350
1056         help
1057           Say yes here to access the GPIO signals of WM8350 power management
1058           chips from Wolfson Microelectronics.
1059
1060 config GPIO_WM8994
1061         tristate "WM8994 GPIOs"
1062         depends on MFD_WM8994
1063         help
1064           Say yes here to access the GPIO signals of WM8994 audio hub
1065           CODECs from Wolfson Microelectronics.
1066
1067 endmenu
1068
1069 menu "PCI GPIO expanders"
1070         depends on PCI
1071
1072 config GPIO_AMD8111
1073         tristate "AMD 8111 GPIO driver"
1074         help
1075           The AMD 8111 south bridge contains 32 GPIO pins which can be used.
1076
1077           Note, that usually system firmware/ACPI handles GPIO pins on their
1078           own and users might easily break their systems with uncarefull usage
1079           of this driver!
1080
1081           If unsure, say N
1082
1083 config GPIO_BT8XX
1084         tristate "BT8XX GPIO abuser"
1085         depends on VIDEO_BT848=n
1086         help
1087           The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1088           as a cheap PCI GPIO card.
1089
1090           This chip can be found on Miro, Hauppauge and STB TV-cards.
1091
1092           The card needs to be physically altered for using it as a
1093           GPIO card. For more information on how to build a GPIO card
1094           from a BT8xx TV card, see the documentation file at
1095           Documentation/bt8xxgpio.txt
1096
1097           If unsure, say N.
1098
1099 config GPIO_INTEL_MID
1100         bool "Intel MID GPIO support"
1101         depends on X86_INTEL_MID
1102         select GPIOLIB_IRQCHIP
1103         help
1104           Say Y here to support Intel MID GPIO.
1105
1106 config GPIO_MERRIFIELD
1107         tristate "Intel Merrifield GPIO support"
1108         depends on X86_INTEL_MID
1109         select GPIOLIB_IRQCHIP
1110         help
1111           Say Y here to support Intel Merrifield GPIO.
1112
1113 config GPIO_ML_IOH
1114         tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
1115         select GENERIC_IRQ_CHIP
1116         help
1117           ML7213 is companion chip for Intel Atom E6xx series.
1118           This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
1119           Hub) which is for IVI(In-Vehicle Infotainment) use.
1120           This driver can access the IOH's GPIO device.
1121
1122 config GPIO_PCH
1123         tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
1124         depends on X86_32 || MIPS || COMPILE_TEST
1125         select GENERIC_IRQ_CHIP
1126         help
1127           This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
1128           which is an IOH(Input/Output Hub) for x86 embedded processor.
1129           This driver can access PCH GPIO device.
1130
1131           This driver also can be used for LAPIS Semiconductor IOH(Input/
1132           Output Hub), ML7223 and ML7831.
1133           ML7223 IOH is for MP(Media Phone) use.
1134           ML7831 IOH is for general purpose use.
1135           ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1136           ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1137
1138 config GPIO_RDC321X
1139         tristate "RDC R-321x GPIO support"
1140         select MFD_CORE
1141         select MFD_RDC321X
1142         help
1143           Support for the RDC R321x SoC GPIOs over southbridge
1144           PCI configuration space.
1145
1146 config GPIO_SODAVILLE
1147         bool "Intel Sodaville GPIO support"
1148         depends on X86 && OF
1149         select GPIO_GENERIC
1150         select GENERIC_IRQ_CHIP
1151         help
1152           Say Y here to support Intel Sodaville GPIO.
1153
1154 endmenu
1155
1156 menu "SPI GPIO expanders"
1157         depends on SPI_MASTER
1158
1159 config GPIO_74X164
1160         tristate "74x164 serial-in/parallel-out 8-bits shift register"
1161         depends on OF_GPIO
1162         help
1163           Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1164           shift registers. This driver can be used to provide access
1165           to more gpio outputs.
1166
1167 config GPIO_MAX7301
1168         tristate "Maxim MAX7301 GPIO expander"
1169         select GPIO_MAX730X
1170         help
1171           GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1172
1173 config GPIO_MC33880
1174         tristate "Freescale MC33880 high-side/low-side switch"
1175         help
1176           SPI driver for Freescale MC33880 high-side/low-side switch.
1177           This provides GPIO interface supporting inputs and outputs.
1178
1179 config GPIO_PISOSR
1180         tristate "Generic parallel-in/serial-out shift register"
1181         help
1182           GPIO driver for SPI compatible parallel-in/serial-out shift
1183           registers. These are input only devices.
1184
1185 endmenu
1186
1187 menu "SPI or I2C GPIO expanders"
1188         depends on (SPI_MASTER && !I2C) || I2C
1189
1190 config GPIO_MCP23S08
1191         tristate "Microchip MCP23xxx I/O expander"
1192         depends on OF_GPIO
1193         select GPIOLIB_IRQCHIP
1194         help
1195           SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
1196           I/O expanders.
1197           This provides a GPIO interface supporting inputs and outputs.
1198           The I2C versions of the chips can be used as interrupt-controller.
1199
1200 endmenu
1201
1202 menu "USB GPIO expanders"
1203         depends on USB
1204
1205 config GPIO_VIPERBOARD
1206         tristate "Viperboard GPIO a & b support"
1207         depends on MFD_VIPERBOARD
1208         help
1209           Say yes here to access the GPIO signals of Nano River
1210           Technologies Viperboard. There are two GPIO chips on the
1211           board: gpioa and gpiob.
1212           See viperboard API specification and Nano
1213           River Tech's viperboard.h for detailed meaning
1214           of the module parameters.
1215
1216 endmenu
1217
1218 endif