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 config ARCH_WANT_OPTIONAL_GPIOLIB
  14         bool
  15         help
  16           Select this config option from the architecture Kconfig, if
  17           it is possible to use gpiolib on the architecture, but let the
  18           user decide whether to actually build it or not.
  19           Select this instead of ARCH_REQUIRE_GPIOLIB, if your architecture does
  20           not depend on GPIOs being available, but rather let the user
  21           decide whether he needs it or not.
  22
  23 config ARCH_REQUIRE_GPIOLIB
  24         bool
  25         select GPIOLIB
  26         help
  27           Platforms select gpiolib if they use this infrastructure
  28           for all their GPIOs, usually starting with ones integrated
  29           into SOC processors.
  30           Selecting this from the architecture code will cause the gpiolib
  31           code to always get built in.
  32
  33
  34 menuconfig GPIOLIB
  35         bool "GPIO Support"
  36         depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB
  37         help
  38           This enables GPIO support through the generic GPIO library.
  39           You only need to enable this, if you also want to enable
  40           one or more of the GPIO drivers below.
  41
  42           If unsure, say N.
  43
  44 if GPIOLIB
  45
  46 config GPIO_DEVRES
  47         def_bool y
  48         depends on HAS_IOMEM
  49
  50 config OF_GPIO
  51         def_bool y
  52         depends on OF
  53
  54 config GPIO_ACPI
  55         def_bool y
  56         depends on ACPI
  57
  58 config GPIOLIB_IRQCHIP
  59         select IRQ_DOMAIN
  60         bool
  61
  62 config DEBUG_GPIO
  63         bool "Debug GPIO calls"
  64         depends on DEBUG_KERNEL
  65         help
  66           Say Y here to add some extra checks and diagnostics to GPIO calls.
  67           These checks help ensure that GPIOs have been properly initialized
  68           before they are used, and that sleeping calls are not made from
  69           non-sleeping contexts.  They can make bitbanged serial protocols
  70           slower.  The diagnostics help catch the type of setup errors
  71           that are most common when setting up new platforms or boards.
  72
  73 config GPIO_SYSFS
  74         bool "/sys/class/gpio/... (sysfs interface)"
  75         depends on SYSFS
  76         help
  77           Say Y here to add a sysfs interface for GPIOs.
  78
  79           This is mostly useful to work around omissions in a system's
  80           kernel support.  Those are common in custom and semicustom
  81           hardware assembled using standard kernels with a minimum of
  82           custom patches.  In those cases, userspace code may import
  83           a given GPIO from the kernel, if no kernel driver requested it.
  84
  85           Kernel drivers may also request that a particular GPIO be
  86           exported to userspace; this can be useful when debugging.
  87
  88 config GPIO_GENERIC
  89         tristate
  90
  91 # put drivers in the right section, in alphabetical order
  92
  93 config GPIO_DA9052
  94         tristate "Dialog DA9052 GPIO"
  95         depends on PMIC_DA9052
  96         help
  97           Say yes here to enable the GPIO driver for the DA9052 chip.
  98
  99 config GPIO_DA9055
 100         tristate "Dialog Semiconductor DA9055 GPIO"
 101         depends on MFD_DA9055
 102         help
 103           Say yes here to enable the GPIO driver for the DA9055 chip.
 104
 105           The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
 106           be controller by this driver.
 107
 108           If driver is built as a module it will be called gpio-da9055.
 109
 110 config GPIO_MAX730X
 111         tristate
 112
 113 comment "Memory mapped GPIO drivers:"
 114
 115 config GPIO_CLPS711X
 116         tristate "CLPS711X GPIO support"
 117         depends on ARCH_CLPS711X || COMPILE_TEST
 118         select GPIO_GENERIC
 119         help
 120           Say yes here to support GPIO on CLPS711X SoCs.
 121
 122 config GPIO_DAVINCI
 123         bool "TI Davinci/Keystone GPIO support"
 124         default y if ARCH_DAVINCI
 125         depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
 126         help
 127           Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
 128
 129 config GPIO_GENERIC_PLATFORM
 130         tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
 131         select GPIO_GENERIC
 132         help
 133           Say yes here to support basic platform_device memory-mapped GPIO controllers.
 134
 135 config GPIO_DWAPB
 136         tristate "Synopsys DesignWare APB GPIO driver"
 137         select GPIO_GENERIC
 138         select GENERIC_IRQ_CHIP
 139         help
 140           Say Y or M here to build support for the Synopsys DesignWare APB
 141           GPIO block.
 142
 143 config GPIO_IT8761E
 144         tristate "IT8761E GPIO support"
 145         depends on X86  # unconditional access to IO space.
 146         help
 147           Say yes here to support GPIO functionality of IT8761E super I/O chip.
 148
 149 config GPIO_EM
 150         tristate "Emma Mobile GPIO"
 151         depends on ARM && OF_GPIO
 152         help
 153           Say yes here to support GPIO on Renesas Emma Mobile SoCs.
 154
 155 config GPIO_EP93XX
 156         def_bool y
 157         depends on ARCH_EP93XX
 158         select GPIO_GENERIC
 159
 160 config GPIO_ZEVIO
 161         bool "LSI ZEVIO SoC memory mapped GPIOs"
 162         depends on ARM && OF_GPIO
 163         help
 164           Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
 165
 166 config GPIO_MM_LANTIQ
 167         bool "Lantiq Memory mapped GPIOs"
 168         depends on LANTIQ && SOC_XWAY
 169         help
 170           This enables support for memory mapped GPIOs on the External Bus Unit
 171           (EBU) found on Lantiq SoCs. The gpios are output only as they are
 172           created by attaching a 16bit latch to the bus.
 173
 174 config GPIO_F7188X
 175         tristate "F71882FG and F71889F GPIO support"
 176         depends on X86
 177         help
 178           This option enables support for GPIOs found on Fintek Super-I/O
 179           chips F71882FG and F71889F.
 180
 181           To compile this driver as a module, choose M here: the module will
 182           be called f7188x-gpio.
 183
 184 config GPIO_MOXART
 185         bool "MOXART GPIO support"
 186         depends on ARCH_MOXART
 187         help
 188           Select this option to enable GPIO driver for
 189           MOXA ART SoC devices.
 190
 191 config GPIO_MPC5200
 192         def_bool y
 193         depends on PPC_MPC52xx
 194
 195 config GPIO_MPC8XXX
 196         bool "MPC512x/MPC8xxx GPIO support"
 197         depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
 198                    FSL_SOC_BOOKE || PPC_86xx
 199         help
 200           Say Y here if you're going to use hardware that connects to the
 201           MPC512x/831x/834x/837x/8572/8610 GPIOs.
 202
 203 config GPIO_MSM_V1
 204         tristate "Qualcomm MSM GPIO v1"
 205         depends on GPIOLIB && ARCH_MSM && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50)
 206         help
 207           Say yes here to support the GPIO interface on ARM v6 based
 208           Qualcomm MSM chips.  Most of the pins on the MSM can be
 209           selected for GPIO, and are controlled by this driver.
 210
 211 config GPIO_MSM_V2
 212         tristate "Qualcomm MSM GPIO v2"
 213         depends on GPIOLIB && OF && ARCH_QCOM
 214         help
 215           Say yes here to support the GPIO interface on ARM v7 based
 216           Qualcomm MSM chips.  Most of the pins on the MSM can be
 217           selected for GPIO, and are controlled by this driver.
 218
 219 config GPIO_MVEBU
 220         def_bool y
 221         depends on PLAT_ORION
 222         depends on OF
 223         select GPIO_GENERIC
 224         select GENERIC_IRQ_CHIP
 225
 226 config GPIO_MXC
 227         def_bool y
 228         depends on ARCH_MXC
 229         select GPIO_GENERIC
 230         select GENERIC_IRQ_CHIP
 231
 232 config GPIO_MXS
 233         def_bool y
 234         depends on ARCH_MXS
 235         select GPIO_GENERIC
 236         select GENERIC_IRQ_CHIP
 237
 238 config GPIO_OCTEON
 239         tristate "Cavium OCTEON GPIO"
 240         depends on GPIOLIB && CAVIUM_OCTEON_SOC
 241         default y
 242         help
 243           Say yes here to support the on-chip GPIO lines on the OCTEON
 244           family of SOCs.
 245
 246 config GPIO_OMAP
 247         bool "TI OMAP GPIO support" if COMPILE_TEST && !ARCH_OMAP2PLUS
 248         default y if ARCH_OMAP
 249         depends on ARM
 250         select GENERIC_IRQ_CHIP
 251         select GPIOLIB_IRQCHIP
 252         help
 253           Say yes here to enable GPIO support for TI OMAP SoCs.
 254
 255 config GPIO_PL061
 256         bool "PrimeCell PL061 GPIO support"
 257         depends on ARM_AMBA
 258         select IRQ_DOMAIN
 259         select GPIOLIB_IRQCHIP
 260         help
 261           Say yes here to support the PrimeCell PL061 GPIO device
 262
 263 config GPIO_PXA
 264         bool "PXA GPIO support"
 265         depends on ARCH_PXA || ARCH_MMP
 266         help
 267           Say yes here to support the PXA GPIO device
 268
 269 config GPIO_RCAR
 270         tristate "Renesas R-Car GPIO"
 271         depends on ARM && (ARCH_SHMOBILE || COMPILE_TEST)
 272         help
 273           Say yes here to support GPIO on Renesas R-Car SoCs.
 274
 275 config GPIO_SAMSUNG
 276         bool
 277         depends on PLAT_SAMSUNG
 278         help
 279           Legacy GPIO support. Use only for platforms without support for
 280           pinctrl.
 281
 282 config GPIO_SCH311X
 283         tristate "SMSC SCH311x SuperI/O GPIO"
 284         help
 285           Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
 286           SCH3116 "Super I/O" chipsets.
 287
 288           To compile this driver as a module, choose M here: the module will
 289           be called gpio-sch311x.
 290
 291 config GPIO_SPEAR_SPICS
 292         bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 293         depends on PLAT_SPEAR
 294         select GENERIC_IRQ_CHIP
 295         help
 296           Say yes here to support ST SPEAr SPI Chip Select as GPIO device
 297
 298 config GPIO_STA2X11
 299         bool "STA2x11/ConneXt GPIO support"
 300         depends on MFD_STA2X11
 301         select GENERIC_IRQ_CHIP
 302         help
 303           Say yes here to support the STA2x11/ConneXt GPIO device.
 304           The GPIO module has 128 GPIO pins with alternate functions.
 305
 306 config GPIO_SYSCON
 307         tristate "GPIO based on SYSCON"
 308         depends on MFD_SYSCON && OF
 309         help
 310           Say yes here to support GPIO functionality though SYSCON driver.
 311
 312 config GPIO_TS5500
 313         tristate "TS-5500 DIO blocks and compatibles"
 314         depends on TS5500 || COMPILE_TEST
 315         help
 316           This driver supports Digital I/O exposed by pin blocks found on some
 317           Technologic Systems platforms. It includes, but is not limited to, 3
 318           blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
 319           LCD port.
 320
 321 config GPIO_TZ1090
 322         bool "Toumaz Xenif TZ1090 GPIO support"
 323         depends on SOC_TZ1090
 324         select GENERIC_IRQ_CHIP
 325         default y
 326         help
 327           Say yes here to support Toumaz Xenif TZ1090 GPIOs.
 328
 329 config GPIO_TZ1090_PDC
 330         bool "Toumaz Xenif TZ1090 PDC GPIO support"
 331         depends on SOC_TZ1090
 332         default y
 333         help
 334           Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
 335
 336 config GPIO_XGENE
 337         bool "APM X-Gene GPIO controller support"
 338         depends on ARM64 && OF_GPIO
 339         help
 340           This driver is to support the GPIO block within the APM X-Gene SoC
 341           platform's generic flash controller. The GPIO pins are muxed with
 342           the generic flash controller's address and data pins. Say yes
 343           here to enable the GFC GPIO functionality.
 344
 345 config GPIO_XILINX
 346         bool "Xilinx GPIO support"
 347         depends on PPC_OF || MICROBLAZE || ARCH_ZYNQ
 348         help
 349           Say yes here to support the Xilinx FPGA GPIO device
 350
 351 config GPIO_ZYNQ
 352         tristate "Xilinx Zynq GPIO support"
 353         depends on ARCH_ZYNQ
 354         select GPIOLIB_IRQCHIP
 355         help
 356           Say yes here to support Xilinx Zynq GPIO controller.
 357
 358 config GPIO_XTENSA
 359         bool "Xtensa GPIO32 support"
 360         depends on XTENSA
 361         depends on HAVE_XTENSA_GPIO32
 362         depends on !SMP
 363         help
 364           Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
 365           and EXPSTATE (output) ports
 366
 367 config GPIO_VR41XX
 368         tristate "NEC VR4100 series General-purpose I/O Uint support"
 369         depends on CPU_VR41XX
 370         help
 371           Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 372
 373 config GPIO_SCH
 374         tristate "Intel SCH/TunnelCreek/Centerton GPIO"
 375         depends on PCI && X86
 376         select MFD_CORE
 377         select LPC_SCH
 378         help
 379           Say yes here to support GPIO interface on Intel Poulsbo SCH,
 380           Intel Tunnel Creek processor or Intel Centerton processor.
 381           The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
 382           powered by the core power rail and are turned off during sleep
 383           modes (S3 and higher). The remaining four GPIOs are powered by
 384           the Intel SCH suspend power supply. These GPIOs remain
 385           active during S3. The suspend powered GPIOs can be used to wake the
 386           system from the Suspend-to-RAM state.
 387           The Intel Tunnel Creek processor has 5 GPIOs powered by the
 388           core power rail and 9 from suspend power supply.
 389           The Intel Centerton processor has a total of 30 GPIO pins.
 390           Twenty-one are powered by the core power rail and 9 from the
 391           suspend power supply.
 392
 393 config GPIO_ICH
 394         tristate "Intel ICH GPIO"
 395         depends on PCI && X86
 396         select MFD_CORE
 397         select LPC_ICH
 398         help
 399           Say yes here to support the GPIO functionality of a number of Intel
 400           ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
 401           ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
 402           Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
 403
 404           If unsure, say N.
 405
 406 config GPIO_IOP
 407         tristate "Intel IOP GPIO"
 408         depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
 409         help
 410           Say yes here to support the GPIO functionality of a number of Intel
 411           IOP32X or IOP33X.
 412
 413           If unsure, say N.
 414
 415 config GPIO_VX855
 416         tristate "VIA VX855/VX875 GPIO"
 417         depends on PCI
 418         select MFD_CORE
 419         select MFD_VX855
 420         help
 421           Support access to the VX855/VX875 GPIO lines through the gpio library.
 422
 423           This driver provides common support for accessing the device,
 424           additional drivers must be enabled in order to use the
 425           functionality of the device.
 426
 427 config GPIO_GE_FPGA
 428         bool "GE FPGA based GPIO"
 429         depends on GE_FPGA
 430         help
 431           Support for common GPIO functionality provided on some GE Single Board
 432           Computers.
 433
 434           This driver provides basic support (configure as input or output, read
 435           and write pin state) for GPIO implemented in a number of GE single
 436           board computers.
 437
 438 config GPIO_LYNXPOINT
 439         tristate "Intel Lynxpoint GPIO support"
 440         depends on ACPI && X86
 441         select GPIOLIB_IRQCHIP
 442         help
 443           driver for GPIO functionality on Intel Lynxpoint PCH chipset
 444           Requires ACPI device enumeration code to set up a platform device.
 445
 446 config GPIO_GRGPIO
 447         tristate "Aeroflex Gaisler GRGPIO support"
 448         depends on OF
 449         select GPIO_GENERIC
 450         select IRQ_DOMAIN
 451         help
 452           Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
 453           VHDL IP core library.
 454
 455 config GPIO_TB10X
 456         bool
 457         select GENERIC_IRQ_CHIP
 458         select OF_GPIO
 459
 460 comment "I2C GPIO expanders:"
 461
 462 config GPIO_ARIZONA
 463         tristate "Wolfson Microelectronics Arizona class devices"
 464         depends on MFD_ARIZONA
 465         help
 466           Support for GPIOs on Wolfson Arizona class devices.
 467
 468 config GPIO_CRYSTAL_COVE
 469         tristate "GPIO support for Crystal Cove PMIC"
 470         depends on INTEL_SOC_PMIC
 471         select GPIOLIB_IRQCHIP
 472         help
 473           Support for GPIO pins on Crystal Cove PMIC.
 474
 475           Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
 476           inside.
 477
 478           This driver can also be built as a module. If so, the module will be
 479           called gpio-crystalcove.
 480
 481 config GPIO_LP3943
 482         tristate "TI/National Semiconductor LP3943 GPIO expander"
 483         depends on MFD_LP3943
 484         help
 485           GPIO driver for LP3943 MFD.
 486           LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
 487           Open drain outputs are required for this usage.
 488
 489 config GPIO_MAX7300
 490         tristate "Maxim MAX7300 GPIO expander"
 491         depends on I2C
 492         select GPIO_MAX730X
 493         help
 494           GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
 495
 496 config GPIO_MAX732X
 497         tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 498         depends on I2C
 499         help
 500           Say yes here to support the MAX7319, MAX7320-7327 series of I2C
 501           Port Expanders. Each IO port on these chips has a fixed role of
 502           Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
 503           Input and Output (designed by 'P'). The combinations are listed
 504           below:
 505
 506           8 bits:       max7319 (8I), max7320 (8O), max7321 (8P),
 507                         max7322 (4I4O), max7323 (4P4O)
 508
 509           16 bits:      max7324 (8I8O), max7325 (8P8O),
 510                         max7326 (4I12O), max7327 (4P12O)
 511
 512           Board setup code must specify the model to use, and the start
 513           number for these GPIOs.
 514
 515 config GPIO_MAX732X_IRQ
 516         bool "Interrupt controller support for MAX732x"
 517         depends on GPIO_MAX732X=y
 518         help
 519           Say yes here to enable the max732x to be used as an interrupt
 520           controller. It requires the driver to be built in the kernel.
 521
 522 config GPIO_MC9S08DZ60
 523         bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
 524         depends on I2C=y && MACH_MX35_3DS
 525         help
 526           Select this to enable the MC9S08DZ60 GPIO driver
 527
 528 config GPIO_PCA953X
 529         tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
 530         depends on I2C
 531         help
 532           Say yes here to provide access to several register-oriented
 533           SMBus I/O expanders, made mostly by NXP or TI.  Compatible
 534           models include:
 535
 536           4 bits:       pca9536, pca9537
 537
 538           8 bits:       max7310, max7315, pca6107, pca9534, pca9538, pca9554,
 539                         pca9556, pca9557, pca9574, tca6408, xra1202
 540
 541           16 bits:      max7312, max7313, pca9535, pca9539, pca9555, pca9575,
 542                         tca6416
 543
 544           24 bits:      tca6424
 545
 546           40 bits:      pca9505, pca9698
 547
 548 config GPIO_PCA953X_IRQ
 549         bool "Interrupt controller support for PCA953x"
 550         depends on GPIO_PCA953X=y
 551         select GPIOLIB_IRQCHIP
 552         help
 553           Say yes here to enable the pca953x to be used as an interrupt
 554           controller. It requires the driver to be built in the kernel.
 555
 556 config GPIO_PCF857X
 557         tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
 558         depends on I2C
 559         select IRQ_DOMAIN
 560         help
 561           Say yes here to provide access to most "quasi-bidirectional" I2C
 562           GPIO expanders used for additional digital outputs or inputs.
 563           Most of these parts are from NXP, though TI is a second source for
 564           some of them.  Compatible models include:
 565
 566           8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
 567                     pca9670, pca9672, pca9674, pca9674a,
 568                     max7328, max7329
 569
 570           16 bits:  pcf8575, pcf8575c, pca8575,
 571                     pca9671, pca9673, pca9675
 572
 573           Your board setup code will need to declare the expanders in
 574           use, and assign numbers to the GPIOs they expose.  Those GPIOs
 575           can then be used from drivers and other kernel code, just like
 576           other GPIOs, but only accessible from task contexts.
 577
 578           This driver provides an in-kernel interface to those GPIOs using
 579           platform-neutral GPIO calls.
 580
 581 config GPIO_RC5T583
 582         bool "RICOH RC5T583 GPIO"
 583         depends on MFD_RC5T583
 584         help
 585           Select this option to enable GPIO driver for the Ricoh RC5T583
 586           chip family.
 587           This driver provides the support for driving/reading the gpio pins
 588           of RC5T583 device through standard gpio library.
 589
 590 config GPIO_SX150X
 591         bool "Semtech SX150x I2C GPIO expander"
 592         depends on I2C=y
 593         default n
 594         help
 595           Say yes here to provide support for Semtech SX150-series I2C
 596           GPIO expanders. Compatible models include:
 597
 598           8 bits:  sx1508q
 599           16 bits: sx1509q
 600
 601 config GPIO_STMPE
 602         bool "STMPE GPIOs"
 603         depends on MFD_STMPE
 604         select GPIOLIB_IRQCHIP
 605         help
 606           This enables support for the GPIOs found on the STMPE I/O
 607           Expanders.
 608
 609 config GPIO_STP_XWAY
 610         bool "XWAY STP GPIOs"
 611         depends on SOC_XWAY
 612         help
 613           This enables support for the Serial To Parallel (STP) unit found on
 614           XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
 615           that can be up to 24 bit. This peripheral is aimed at driving leds.
 616           Some of the gpios/leds can be auto updated by the soc with dsl and
 617           phy status.
 618
 619 config GPIO_TC3589X
 620         bool "TC3589X GPIOs"
 621         depends on MFD_TC3589X
 622         select GPIOLIB_IRQCHIP
 623         help
 624           This enables support for the GPIOs found on the TC3589X
 625           I/O Expander.
 626
 627 config GPIO_TPS65912
 628         tristate "TI TPS65912 GPIO"
 629         depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
 630         help
 631           This driver supports TPS65912 gpio chip
 632
 633 config GPIO_TWL4030
 634         tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
 635         depends on TWL4030_CORE
 636         help
 637           Say yes here to access the GPIO signals of various multi-function
 638           power management chips from Texas Instruments.
 639
 640 config GPIO_TWL6040
 641         tristate "TWL6040 GPO"
 642         depends on TWL6040_CORE
 643         help
 644           Say yes here to access the GPO signals of twl6040
 645           audio chip from Texas Instruments.
 646
 647 config GPIO_WM831X
 648         tristate "WM831x GPIOs"
 649         depends on MFD_WM831X
 650         help
 651           Say yes here to access the GPIO signals of WM831x power management
 652           chips from Wolfson Microelectronics.
 653
 654 config GPIO_WM8350
 655         tristate "WM8350 GPIOs"
 656         depends on MFD_WM8350
 657         help
 658           Say yes here to access the GPIO signals of WM8350 power management
 659           chips from Wolfson Microelectronics.
 660
 661 config GPIO_WM8994
 662         tristate "WM8994 GPIOs"
 663         depends on MFD_WM8994
 664         help
 665           Say yes here to access the GPIO signals of WM8994 audio hub
 666           CODECs from Wolfson Microelectronics.
 667
 668 config GPIO_ADP5520
 669         tristate "GPIO Support for ADP5520 PMIC"
 670         depends on PMIC_ADP5520
 671         help
 672           This option enables support for on-chip GPIO found
 673           on Analog Devices ADP5520 PMICs.
 674
 675 config GPIO_ADP5588
 676         tristate "ADP5588 I2C GPIO expander"
 677         depends on I2C
 678         help
 679           This option enables support for 18 GPIOs found
 680           on Analog Devices ADP5588 GPIO Expanders.
 681
 682 config GPIO_ADP5588_IRQ
 683         bool "Interrupt controller support for ADP5588"
 684         depends on GPIO_ADP5588=y
 685         help
 686           Say yes here to enable the adp5588 to be used as an interrupt
 687           controller. It requires the driver to be built in the kernel.
 688
 689 config GPIO_ADNP
 690         tristate "Avionic Design N-bit GPIO expander"
 691         depends on I2C && OF_GPIO
 692         select GPIOLIB_IRQCHIP
 693         help
 694           This option enables support for N GPIOs found on Avionic Design
 695           I2C GPIO expanders. The register space will be extended by powers
 696           of two, so the controller will need to accommodate for that. For
 697           example: if a controller provides 48 pins, 6 registers will be
 698           enough to represent all pins, but the driver will assume a
 699           register layout for 64 pins (8 registers).
 700
 701 comment "PCI GPIO expanders:"
 702
 703 config GPIO_CS5535
 704         tristate "AMD CS5535/CS5536 GPIO support"
 705         depends on MFD_CS5535
 706         help
 707           The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
 708           can be used for quite a number of things.  The CS5535/6 is found on
 709           AMD Geode and Lemote Yeeloong devices.
 710
 711           If unsure, say N.
 712
 713 config GPIO_BT8XX
 714         tristate "BT8XX GPIO abuser"
 715         depends on PCI && VIDEO_BT848=n
 716         help
 717           The BT8xx frame grabber chip has 24 GPIO pins that can be abused
 718           as a cheap PCI GPIO card.
 719
 720           This chip can be found on Miro, Hauppauge and STB TV-cards.
 721
 722           The card needs to be physically altered for using it as a
 723           GPIO card. For more information on how to build a GPIO card
 724           from a BT8xx TV card, see the documentation file at
 725           Documentation/bt8xxgpio.txt
 726
 727           If unsure, say N.
 728
 729 config GPIO_AMD8111
 730         tristate "AMD 8111 GPIO driver"
 731         depends on PCI
 732         help
 733           The AMD 8111 south bridge contains 32 GPIO pins which can be used.
 734
 735           Note, that usually system firmware/ACPI handles GPIO pins on their
 736           own and users might easily break their systems with uncarefull usage
 737           of this driver!
 738
 739           If unsure, say N
 740
 741 config GPIO_INTEL_MID
 742         bool "Intel Mid GPIO support"
 743         depends on PCI && X86
 744         select GPIOLIB_IRQCHIP
 745         help
 746           Say Y here to support Intel Mid GPIO.
 747
 748 config GPIO_PCH
 749         tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
 750         depends on PCI && (X86_32 || COMPILE_TEST)
 751         select GENERIC_IRQ_CHIP
 752         help
 753           This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
 754           which is an IOH(Input/Output Hub) for x86 embedded processor.
 755           This driver can access PCH GPIO device.
 756
 757           This driver also can be used for LAPIS Semiconductor IOH(Input/
 758           Output Hub), ML7223 and ML7831.
 759           ML7223 IOH is for MP(Media Phone) use.
 760           ML7831 IOH is for general purpose use.
 761           ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 762           ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 763
 764 config GPIO_ML_IOH
 765         tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
 766         depends on PCI
 767         select GENERIC_IRQ_CHIP
 768         help
 769           ML7213 is companion chip for Intel Atom E6xx series.
 770           This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
 771           Hub) which is for IVI(In-Vehicle Infotainment) use.
 772           This driver can access the IOH's GPIO device.
 773
 774 config GPIO_SODAVILLE
 775         bool "Intel Sodaville GPIO support"
 776         depends on X86 && PCI && OF
 777         select GPIO_GENERIC
 778         select GENERIC_IRQ_CHIP
 779         help
 780           Say Y here to support Intel Sodaville GPIO.
 781
 782 config GPIO_TIMBERDALE
 783         bool "Support for timberdale GPIO IP"
 784         depends on MFD_TIMBERDALE
 785         ---help---
 786         Add support for the GPIO IP in the timberdale FPGA.
 787
 788 config GPIO_RDC321X
 789         tristate "RDC R-321x GPIO support"
 790         depends on PCI
 791         select MFD_CORE
 792         select MFD_RDC321X
 793         help
 794           Support for the RDC R321x SoC GPIOs over southbridge
 795           PCI configuration space.
 796
 797 comment "SPI GPIO expanders:"
 798
 799 config GPIO_MAX7301
 800         tristate "Maxim MAX7301 GPIO expander"
 801         depends on SPI_MASTER
 802         select GPIO_MAX730X
 803         help
 804           GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
 805
 806 config GPIO_MCP23S08
 807         tristate "Microchip MCP23xxx I/O expander"
 808         depends on (SPI_MASTER && !I2C) || I2C
 809         help
 810           SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
 811           I/O expanders.
 812           This provides a GPIO interface supporting inputs and outputs.
 813           The I2C versions of the chips can be used as interrupt-controller.
 814
 815 config GPIO_MC33880
 816         tristate "Freescale MC33880 high-side/low-side switch"
 817         depends on SPI_MASTER
 818         help
 819           SPI driver for Freescale MC33880 high-side/low-side switch.
 820           This provides GPIO interface supporting inputs and outputs.
 821
 822 config GPIO_74X164
 823         tristate "74x164 serial-in/parallel-out 8-bits shift register"
 824         depends on SPI_MASTER && OF
 825         help
 826           Driver for 74x164 compatible serial-in/parallel-out 8-outputs
 827           shift registers. This driver can be used to provide access
 828           to more gpio outputs.
 829
 830 comment "AC97 GPIO expanders:"
 831
 832 config GPIO_UCB1400
 833         tristate "Philips UCB1400 GPIO"
 834         depends on UCB1400_CORE
 835         help
 836           This enables support for the Philips UCB1400 GPIO pins.
 837           The UCB1400 is an AC97 audio codec.
 838
 839 comment "LPC GPIO expanders:"
 840
 841 config GPIO_KEMPLD
 842         tristate "Kontron ETX / COMexpress GPIO"
 843         depends on MFD_KEMPLD
 844         help
 845           This enables support for the PLD GPIO interface on some Kontron ETX
 846           and COMexpress (ETXexpress) modules.
 847
 848           This driver can also be built as a module. If so, the module will be
 849           called gpio-kempld.
 850
 851 comment "MODULbus GPIO expanders:"
 852
 853 config GPIO_JANZ_TTL
 854         tristate "Janz VMOD-TTL Digital IO Module"
 855         depends on MFD_JANZ_CMODIO
 856         help
 857           This enables support for the Janz VMOD-TTL Digital IO module.
 858           This driver provides support for driving the pins in output
 859           mode only. Input mode is not supported.
 860
 861 config GPIO_PALMAS
 862         bool "TI PALMAS series PMICs GPIO"
 863         depends on MFD_PALMAS
 864         help
 865           Select this option to enable GPIO driver for the TI PALMAS
 866           series chip family.
 867
 868 config GPIO_TPS6586X
 869         bool "TPS6586X GPIO"
 870         depends on MFD_TPS6586X
 871         help
 872           Select this option to enable GPIO driver for the TPS6586X
 873           chip family.
 874
 875 config GPIO_TPS65910
 876         bool "TPS65910 GPIO"
 877         depends on MFD_TPS65910
 878         help
 879           Select this option to enable GPIO driver for the TPS65910
 880           chip family.
 881
 882 config GPIO_MSIC
 883         bool "Intel MSIC mixed signal gpio support"
 884         depends on MFD_INTEL_MSIC
 885         help
 886           Enable support for GPIO on intel MSIC controllers found in
 887           intel MID devices
 888
 889 config GPIO_BCM_KONA
 890         bool "Broadcom Kona GPIO"
 891         depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
 892         help
 893           Turn on GPIO support for Broadcom "Kona" chips.
 894
 895 comment "USB GPIO expanders:"
 896
 897 config GPIO_VIPERBOARD
 898         tristate "Viperboard GPIO a & b support"
 899         depends on MFD_VIPERBOARD && USB
 900         help
 901           Say yes here to access the GPIO signals of Nano River
 902           Technologies Viperboard. There are two GPIO chips on the
 903           board: gpioa and gpiob.
 904           See viperboard API specification and Nano
 905           River Tech's viperboard.h for detailed meaning
 906           of the module parameters.
 907
 908 endif