1#
   2# GPIO infrastructure and drivers
   3#
   4
   5config 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
  13menuconfig 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
  23if GPIOLIB
  24
 
 
 
 
 
 
 
 
 
 
 
 
  25config OF_GPIO
  26	def_bool y
  27	depends on OF
  28	depends on HAS_IOMEM
  29
  30config GPIO_ACPI
  31	def_bool y
  32	depends on ACPI
  33
  34config GPIOLIB_IRQCHIP
  35	select IRQ_DOMAIN
  36	bool
  37
  38config DEBUG_GPIO
  39	bool "Debug GPIO calls"
  40	depends on DEBUG_KERNEL
  41	help
  42	  Say Y here to add some extra checks and diagnostics to GPIO calls.
  43	  These checks help ensure that GPIOs have been properly initialized
  44	  before they are used, and that sleeping calls are not made from
  45	  non-sleeping contexts.  They can make bitbanged serial protocols
  46	  slower.  The diagnostics help catch the type of setup errors
  47	  that are most common when setting up new platforms or boards.
  48
  49config GPIO_SYSFS
  50	bool "/sys/class/gpio/... (sysfs interface)"
  51	depends on SYSFS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  52	help
  53	  Say Y here to add a sysfs interface for GPIOs.
  54
  55	  This is mostly useful to work around omissions in a system's
  56	  kernel support.  Those are common in custom and semicustom
  57	  hardware assembled using standard kernels with a minimum of
  58	  custom patches.  In those cases, userspace code may import
  59	  a given GPIO from the kernel, if no kernel driver requested it.
  60
  61	  Kernel drivers may also request that a particular GPIO be
  62	  exported to userspace; this can be useful when debugging.
  63
  64config GPIO_GENERIC
  65	depends on HAS_IOMEM # Only for IOMEM drivers
  66	tristate
  67
 
 
 
 
  68# put drivers in the right section, in alphabetical order
  69
  70# This symbol is selected by both I2C and SPI expanders
  71config GPIO_MAX730X
  72	tristate
  73
  74menu "Memory mapped GPIO drivers"
  75	depends on HAS_IOMEM
  76
  77config GPIO_74XX_MMIO
  78	tristate "GPIO driver for 74xx-ICs with MMIO access"
  79	depends on OF_GPIO
  80	select GPIO_GENERIC
  81	help
  82	  Say yes here to support GPIO functionality for 74xx-compatible ICs
  83	  with MMIO access. Compatible models include:
  84	    1 bit:	741G125 (Input), 741G74 (Output)
  85	    2 bits:	742G125 (Input), 7474 (Output)
  86	    4 bits:	74125 (Input), 74175 (Output)
  87	    6 bits:	74365 (Input), 74174 (Output)
  88	    8 bits:	74244 (Input), 74273 (Output)
  89	    16 bits:	741624 (Input), 7416374 (Output)
  90
  91config GPIO_ALTERA
  92	tristate "Altera GPIO"
  93	depends on OF_GPIO
  94	select GPIOLIB_IRQCHIP
  95	help
  96	  Say Y or M here to build support for the Altera PIO device.
  97
  98	  If driver is built as a module it will be called gpio-altera.
  99
 100config GPIO_AMDPT
 101	tristate "AMD Promontory GPIO support"
 102	depends on ACPI
 103	select GPIO_GENERIC
 104	help
 105	  driver for GPIO functionality on Promontory IOHub
 106	  Require ACPI ASL code to enumerate as a platform device.
 107
 108config GPIO_ASPEED
 109	tristate "Aspeed GPIO support"
 110	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
 111	select GPIOLIB_IRQCHIP
 112	help
 113	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
 114
 
 
 
 
 
 
 
 
 115config GPIO_ATH79
 116	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
 117	default y if ATH79
 118	depends on ATH79 || COMPILE_TEST
 119	select GPIO_GENERIC
 120	select GPIOLIB_IRQCHIP
 121	help
 122	  Select this option to enable GPIO driver for
 123	  Atheros AR71XX/AR724X/AR913X SoC devices.
 124
 125config GPIO_AXP209
 126	tristate "X-Powers AXP209 PMIC GPIO Support"
 127	depends on MFD_AXP20X
 
 
 
 
 128	help
 129	  Say yes to enable GPIO support for the AXP209 PMIC
 
 130
 131config GPIO_BCM_KONA
 132	bool "Broadcom Kona GPIO"
 133	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
 134	help
 135	  Turn on GPIO support for Broadcom "Kona" chips.
 136
 
 
 
 
 
 
 
 
 
 137config GPIO_BRCMSTB
 138	tristate "BRCMSTB GPIO support"
 139	default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
 140	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
 141	select GPIO_GENERIC
 142	select GPIOLIB_IRQCHIP
 143	help
 144	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
 145
 
 
 
 
 
 
 
 
 146config GPIO_CLPS711X
 147	tristate "CLPS711X GPIO support"
 148	depends on ARCH_CLPS711X || COMPILE_TEST
 149	select GPIO_GENERIC
 150	help
 151	  Say yes here to support GPIO on CLPS711X SoCs.
 152
 153config GPIO_DAVINCI
 154	bool "TI Davinci/Keystone GPIO support"
 155	default y if ARCH_DAVINCI
 156	depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
 157	help
 158	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
 159
 160config GPIO_DWAPB
 161	tristate "Synopsys DesignWare APB GPIO driver"
 162	select GPIO_GENERIC
 163	select GENERIC_IRQ_CHIP
 164	help
 165	  Say Y or M here to build support for the Synopsys DesignWare APB
 166	  GPIO block.
 167
 
 
 
 
 
 
 
 
 168config GPIO_EM
 169	tristate "Emma Mobile GPIO"
 170	depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
 171	help
 172	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.
 173
 174config GPIO_EP93XX
 175	def_bool y
 176	depends on ARCH_EP93XX
 177	select GPIO_GENERIC
 178
 179config GPIO_ETRAXFS
 180	bool "Axis ETRAX FS General I/O"
 181	depends on CRIS || COMPILE_TEST
 182	depends on OF_GPIO
 183	select GPIO_GENERIC
 184	select GPIOLIB_IRQCHIP
 
 
 
 
 
 185	help
 186	  Say yes here to support the GPIO controller on Axis ETRAX FS SoCs.
 
 187
 188config GPIO_GE_FPGA
 189	bool "GE FPGA based GPIO"
 190	depends on GE_FPGA
 191	select GPIO_GENERIC
 192	help
 193	  Support for common GPIO functionality provided on some GE Single Board
 194	  Computers.
 195
 196	  This driver provides basic support (configure as input or output, read
 197	  and write pin state) for GPIO implemented in a number of GE single
 198	  board computers.
 199
 
 
 
 
 
 
 
 
 
 
 200config GPIO_GENERIC_PLATFORM
 201	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
 202	select GPIO_GENERIC
 203	help
 204	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
 205
 206config GPIO_GRGPIO
 207	tristate "Aeroflex Gaisler GRGPIO support"
 208	depends on OF_GPIO
 209	select GPIO_GENERIC
 210	select IRQ_DOMAIN
 211	help
 212	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
 213	  VHDL IP core library.
 214
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 215config GPIO_ICH
 216	tristate "Intel ICH GPIO"
 217	depends on PCI && X86
 218	select MFD_CORE
 219	select LPC_ICH
 220	help
 221	  Say yes here to support the GPIO functionality of a number of Intel
 222	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
 223	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
 224	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
 225
 226	  If unsure, say N.
 227
 228config GPIO_IOP
 229	tristate "Intel IOP GPIO"
 230	depends on ARCH_IOP32X || ARCH_IOP33X || COMPILE_TEST
 231	select GPIO_GENERIC
 232	help
 233	  Say yes here to support the GPIO functionality of a number of Intel
 234	  IOP32X or IOP33X.
 235
 236	  If unsure, say N.
 237
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 238config GPIO_LOONGSON
 239	bool "Loongson-2/3 GPIO support"
 240	depends on CPU_LOONGSON2 || CPU_LOONGSON3
 241	help
 242	  driver for GPIO functionality on Loongson-2F/3A/3B processors.
 243
 244config GPIO_LPC18XX
 245	tristate "NXP LPC18XX/43XX GPIO support"
 246	default y if ARCH_LPC18XX
 247	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
 
 248	help
 249	  Select this option to enable GPIO driver for
 250	  NXP LPC18XX/43XX devices.
 251
 252config GPIO_LYNXPOINT
 253	tristate "Intel Lynxpoint GPIO support"
 254	depends on ACPI && X86
 255	select GPIOLIB_IRQCHIP
 256	help
 257	  driver for GPIO functionality on Intel Lynxpoint PCH chipset
 258	  Requires ACPI device enumeration code to set up a platform device.
 259
 260config GPIO_MB86S7X
 261	bool "GPIO support for Fujitsu MB86S7x Platforms"
 262	depends on ARCH_MB86S7X || COMPILE_TEST
 263	help
 264	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
 265
 266config GPIO_MENZ127
 267	tristate "MEN 16Z127 GPIO support"
 268	depends on MCB
 269	select GPIO_GENERIC
 270	help
 271	 Say yes here to support the MEN 16Z127 GPIO Controller
 272
 273config GPIO_MM_LANTIQ
 274	bool "Lantiq Memory mapped GPIOs"
 275	depends on LANTIQ && SOC_XWAY
 276	help
 277	  This enables support for memory mapped GPIOs on the External Bus Unit
 278	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
 279	  created by attaching a 16bit latch to the bus.
 280
 281config GPIO_MOCKUP
 282	tristate "GPIO Testing Driver"
 283	depends on GPIOLIB && SYSFS
 284	select GPIO_SYSFS
 285	help
 286	  This enables GPIO Testing driver, which provides a way to test GPIO
 287	  subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
 288	  must be selected for this test.
 289	  User could use it through the script in
 290	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
 291	  it.
 292
 293config GPIO_MOXART
 294	bool "MOXART GPIO support"
 295	depends on ARCH_MOXART || COMPILE_TEST
 296	select GPIO_GENERIC
 297	help
 298	  Select this option to enable GPIO driver for
 299	  MOXA ART SoC devices.
 300
 301config GPIO_MPC5200
 302	def_bool y
 303	depends on PPC_MPC52xx
 304
 305config GPIO_MPC8XXX
 306	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
 307	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
 308		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
 309		   COMPILE_TEST
 310	select GPIO_GENERIC
 311	select IRQ_DOMAIN
 312	help
 313	  Say Y here if you're going to use hardware that connects to the
 314	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
 315
 
 
 
 
 
 
 
 
 
 316config GPIO_MVEBU
 317	def_bool y
 318	depends on PLAT_ORION
 319	depends on OF_GPIO
 320	select GENERIC_IRQ_CHIP
 
 321
 322config GPIO_MXC
 323	def_bool y
 324	depends on ARCH_MXC
 325	select GPIO_GENERIC
 326	select GENERIC_IRQ_CHIP
 327
 328config GPIO_MXS
 329	def_bool y
 330	depends on ARCH_MXS
 
 331	select GPIO_GENERIC
 332	select GENERIC_IRQ_CHIP
 333
 334config GPIO_OCTEON
 335	tristate "Cavium OCTEON GPIO"
 336	depends on GPIOLIB && CAVIUM_OCTEON_SOC
 337	default y
 338	help
 339	  Say yes here to support the on-chip GPIO lines on the OCTEON
 340	  family of SOCs.
 341
 342config GPIO_OMAP
 343	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
 344	default y if ARCH_OMAP
 345	depends on ARM
 346	select GENERIC_IRQ_CHIP
 347	select GPIOLIB_IRQCHIP
 348	help
 349	  Say yes here to enable GPIO support for TI OMAP SoCs.
 350
 351config GPIO_PL061
 352	bool "PrimeCell PL061 GPIO support"
 353	depends on ARM_AMBA
 354	select IRQ_DOMAIN
 355	select GPIOLIB_IRQCHIP
 356	help
 357	  Say yes here to support the PrimeCell PL061 GPIO device
 358
 
 
 
 
 
 
 
 
 359config GPIO_PXA
 360	bool "PXA GPIO support"
 361	depends on ARCH_PXA || ARCH_MMP
 362	help
 363	  Say yes here to support the PXA GPIO device
 364
 365config GPIO_RCAR
 366	tristate "Renesas R-Car GPIO"
 367	depends on ARCH_RENESAS || COMPILE_TEST
 368	select GPIOLIB_IRQCHIP
 369	help
 370	  Say yes here to support GPIO on Renesas R-Car SoCs.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 371
 372config GPIO_SPEAR_SPICS
 373	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 374	depends on PLAT_SPEAR
 375	select GENERIC_IRQ_CHIP
 376	help
 377	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device
 378
 
 
 
 
 
 
 
 
 379config GPIO_STA2X11
 380	bool "STA2x11/ConneXt GPIO support"
 381	depends on MFD_STA2X11
 382	select GENERIC_IRQ_CHIP
 383	help
 384	  Say yes here to support the STA2x11/ConneXt GPIO device.
 385	  The GPIO module has 128 GPIO pins with alternate functions.
 386
 387config GPIO_STP_XWAY
 388	bool "XWAY STP GPIOs"
 389	depends on SOC_XWAY
 
 390	help
 391	  This enables support for the Serial To Parallel (STP) unit found on
 392	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
 393	  that can be up to 24 bit. This peripheral is aimed at driving leds.
 394	  Some of the gpios/leds can be auto updated by the soc with dsl and
 395	  phy status.
 396
 397config GPIO_SYSCON
 398	tristate "GPIO based on SYSCON"
 399	depends on MFD_SYSCON && OF
 400	help
 401	  Say yes here to support GPIO functionality though SYSCON driver.
 402
 403config GPIO_TB10X
 404	bool
 
 405	select GENERIC_IRQ_CHIP
 406	select OF_GPIO
 407
 408config GPIO_TEGRA
 409	bool "NVIDIA Tegra GPIO support"
 410	default ARCH_TEGRA
 411	depends on ARCH_TEGRA || COMPILE_TEST
 412	depends on OF_GPIO
 
 
 413	help
 414	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
 415
 
 
 
 
 
 
 
 
 
 
 416config GPIO_TS4800
 417	tristate "TS-4800 DIO blocks and compatibles"
 418	depends on OF_GPIO
 419	depends on SOC_IMX51 || COMPILE_TEST
 420	select GPIO_GENERIC
 421	help
 422	  This driver support TS-4800 FPGA GPIO controllers.
 423
 424config GPIO_TZ1090
 425	bool "Toumaz Xenif TZ1090 GPIO support"
 426	depends on SOC_TZ1090
 427	select GENERIC_IRQ_CHIP
 428	default y
 429	help
 430	  Say yes here to support Toumaz Xenif TZ1090 GPIOs.
 431
 432config GPIO_TZ1090_PDC
 433	bool "Toumaz Xenif TZ1090 PDC GPIO support"
 434	depends on SOC_TZ1090
 435	default y
 
 
 
 
 436	help
 437	  Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
 438
 439config GPIO_VF610
 440	def_bool y
 441	depends on ARCH_MXC && SOC_VF610
 442	select GPIOLIB_IRQCHIP
 443	help
 444	  Say yes here to support Vybrid vf610 GPIOs.
 445
 
 
 
 
 
 
 
 
 
 
 446config GPIO_VR41XX
 447	tristate "NEC VR4100 series General-purpose I/O Uint support"
 448	depends on CPU_VR41XX
 449	help
 450	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 451
 452config GPIO_VX855
 453	tristate "VIA VX855/VX875 GPIO"
 454	depends on (X86 || COMPILE_TEST) && PCI
 455	select MFD_CORE
 456	select MFD_VX855
 457	help
 458	  Support access to the VX855/VX875 GPIO lines through the gpio library.
 459
 460	  This driver provides common support for accessing the device,
 461	  additional drivers must be enabled in order to use the
 462	  functionality of the device.
 463
 
 
 
 
 
 
 
 464config GPIO_XGENE
 465	bool "APM X-Gene GPIO controller support"
 466	depends on ARM64 && OF_GPIO
 467	help
 468	  This driver is to support the GPIO block within the APM X-Gene SoC
 469	  platform's generic flash controller. The GPIO pins are muxed with
 470	  the generic flash controller's address and data pins. Say yes
 471	  here to enable the GFC GPIO functionality.
 472
 473config GPIO_XGENE_SB
 474	tristate "APM X-Gene GPIO standby controller support"
 475	depends on ARCH_XGENE && OF_GPIO
 476	select GPIO_GENERIC
 477	select GPIOLIB_IRQCHIP
 
 478	help
 479	  This driver supports the GPIO block within the APM X-Gene
 480	  Standby Domain. Say yes here to enable the GPIO functionality.
 481
 482config GPIO_XILINX
 483	tristate "Xilinx GPIO support"
 
 484	depends on OF_GPIO
 485	help
 486	  Say yes here to support the Xilinx FPGA GPIO device
 487
 488config GPIO_XLP
 489	tristate "Netlogic XLP GPIO support"
 490	depends on OF_GPIO && (CPU_XLP || ARCH_VULCAN || COMPILE_TEST)
 491	select GPIOLIB_IRQCHIP
 492	help
 493	  This driver provides support for GPIO interface on Netlogic XLP MIPS64
 494	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
 495	  XLP9XX and XLP5XX.
 
 496
 497	  If unsure, say N.
 498
 499config GPIO_XTENSA
 500	bool "Xtensa GPIO32 support"
 501	depends on XTENSA
 502	depends on HAVE_XTENSA_GPIO32
 503	depends on !SMP
 504	help
 505	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
 506	  and EXPSTATE (output) ports
 507
 508config GPIO_ZEVIO
 509	bool "LSI ZEVIO SoC memory mapped GPIOs"
 510	depends on ARM && OF_GPIO
 511	help
 512	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
 513
 514config GPIO_ZYNQ
 515	tristate "Xilinx Zynq GPIO support"
 516	depends on ARCH_ZYNQ || ARCH_ZYNQMP
 517	select GPIOLIB_IRQCHIP
 518	help
 519	  Say yes here to support Xilinx Zynq GPIO controller.
 520
 521config GPIO_ZX
 522	bool "ZTE ZX GPIO support"
 523	depends on ARCH_ZX || COMPILE_TEST
 524	select GPIOLIB_IRQCHIP
 525	help
 526	  Say yes here to support the GPIO device on ZTE ZX SoCs.
 527
 528config GPIO_LOONGSON1
 529	tristate "Loongson1 GPIO support"
 530	depends on MACH_LOONGSON32
 531	select GPIO_GENERIC
 532	help
 533	  Say Y or M here to support GPIO on Loongson1 SoCs.
 534
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 535endmenu
 536
 537menu "Port-mapped I/O GPIO drivers"
 538	depends on X86 # Unconditional I/O space access
 539
 540config GPIO_104_DIO_48E
 541	tristate "ACCES 104-DIO-48E GPIO support"
 542	depends on ISA_BUS_API
 
 543	select GPIOLIB_IRQCHIP
 544	help
 545	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
 546	  104-DIO-24E). The base port addresses for the devices may be
 547	  configured via the base module parameter. The interrupt line numbers
 548	  for the devices may be configured via the irq module parameter.
 549
 550config GPIO_104_IDIO_16
 551	tristate "ACCES 104-IDIO-16 GPIO support"
 552	depends on ISA_BUS_API
 
 553	select GPIOLIB_IRQCHIP
 554	help
 555	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
 556	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
 557	  base port addresses for the devices may be configured via the base
 558	  module parameter. The interrupt line numbers for the devices may be
 559	  configured via the irq module parameter.
 560
 561config GPIO_104_IDI_48
 562	tristate "ACCES 104-IDI-48 GPIO support"
 563	depends on ISA_BUS_API
 
 564	select GPIOLIB_IRQCHIP
 565	help
 566	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
 567	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
 568	  the devices may be configured via the base module parameter. The
 569	  interrupt line numbers for the devices may be configured via the irq
 570	  module parameter.
 571
 572config GPIO_F7188X
 573	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
 574	help
 575	  This option enables support for GPIOs found on Fintek Super-I/O
 576	  chips F71869, F71869A, F71882FG, F71889F and F81866.
 577
 578	  To compile this driver as a module, choose M here: the module will
 579	  be called f7188x-gpio.
 580
 581config GPIO_GPIO_MM
 582	tristate "Diamond Systems GPIO-MM GPIO support"
 583	depends on ISA_BUS_API
 
 584	help
 585	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
 586
 587	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
 588	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO
 589	  support for these 48 channels of digital I/O.
 590
 591	  The base port addresses for the devices may be configured via the base
 592	  array module parameter.
 593
 594config GPIO_IT87
 595	tristate "IT87xx GPIO support"
 596	help
 597	  Say yes here to support GPIO functionality of IT87xx Super I/O chips.
 598
 599	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
 600	  supports the IT8761E, IT8620E and IT8628E Super I/O chip as well.
 
 601
 602	  To compile this driver as a module, choose M here: the module will
 603	  be called gpio_it87
 604
 605config GPIO_SCH
 606	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
 607	depends on (X86 || COMPILE_TEST) && PCI
 608	select MFD_CORE
 609	select LPC_SCH
 610	help
 611	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
 612	  Intel Tunnel Creek processor, Intel Centerton processor or
 613	  Intel Quark X1000 SoC.
 614
 615	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
 616	  powered by the core power rail and are turned off during sleep
 617	  modes (S3 and higher). The remaining four GPIOs are powered by
 618	  the Intel SCH suspend power supply. These GPIOs remain
 619	  active during S3. The suspend powered GPIOs can be used to wake the
 620	  system from the Suspend-to-RAM state.
 621
 622	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
 623	  core power rail and 9 from suspend power supply.
 624
 625	  The Intel Centerton processor has a total of 30 GPIO pins.
 626	  Twenty-one are powered by the core power rail and 9 from the
 627	  suspend power supply.
 628
 629	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
 630	  power well and 6 from the suspend power well.
 631
 632config GPIO_SCH311X
 633	tristate "SMSC SCH311x SuperI/O GPIO"
 634	help
 635	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
 636	  SCH3116 "Super I/O" chipsets.
 637
 638	  To compile this driver as a module, choose M here: the module will
 639	  be called gpio-sch311x.
 640
 641config GPIO_TS5500
 642	tristate "TS-5500 DIO blocks and compatibles"
 643	depends on TS5500 || COMPILE_TEST
 644	help
 645	  This driver supports Digital I/O exposed by pin blocks found on some
 646	  Technologic Systems platforms. It includes, but is not limited to, 3
 647	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
 648	  LCD port.
 649
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 650config GPIO_WS16C48
 651	tristate "WinSystems WS16C48 GPIO support"
 652	depends on ISA_BUS_API
 653	select GPIOLIB_IRQCHIP
 654	help
 655	  Enables GPIO support for the WinSystems WS16C48. The base port
 656	  addresses for the devices may be configured via the base module
 657	  parameter. The interrupt line numbers for the devices may be
 658	  configured via the irq module parameter.
 659
 660endmenu
 661
 662menu "I2C GPIO expanders"
 663	depends on I2C
 664
 665config GPIO_ADP5588
 666	tristate "ADP5588 I2C GPIO expander"
 667	help
 668	  This option enables support for 18 GPIOs found
 669	  on Analog Devices ADP5588 GPIO Expanders.
 670
 671config GPIO_ADP5588_IRQ
 672	bool "Interrupt controller support for ADP5588"
 673	depends on GPIO_ADP5588=y
 
 674	help
 675	  Say yes here to enable the adp5588 to be used as an interrupt
 676	  controller. It requires the driver to be built in the kernel.
 677
 678config GPIO_ADNP
 679	tristate "Avionic Design N-bit GPIO expander"
 680	depends on OF_GPIO
 681	select GPIOLIB_IRQCHIP
 682	help
 683	  This option enables support for N GPIOs found on Avionic Design
 684	  I2C GPIO expanders. The register space will be extended by powers
 685	  of two, so the controller will need to accommodate for that. For
 686	  example: if a controller provides 48 pins, 6 registers will be
 687	  enough to represent all pins, but the driver will assume a
 688	  register layout for 64 pins (8 registers).
 689
 
 
 
 
 
 
 
 690config GPIO_MAX7300
 691	tristate "Maxim MAX7300 GPIO expander"
 692	select GPIO_MAX730X
 693	help
 694	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
 695
 696config GPIO_MAX732X
 697	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 698	help
 699	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
 700	  Port Expanders. Each IO port on these chips has a fixed role of
 701	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
 702	  Input and Output (designed by 'P'). The combinations are listed
 703	  below:
 704
 705	  8 bits:	max7319 (8I), max7320 (8O), max7321 (8P),
 706		  	max7322 (4I4O), max7323 (4P4O)
 707
 708	  16 bits:	max7324 (8I8O), max7325 (8P8O),
 709		  	max7326 (4I12O), max7327 (4P12O)
 710
 711	  Board setup code must specify the model to use, and the start
 712	  number for these GPIOs.
 713
 714config GPIO_MAX732X_IRQ
 715	bool "Interrupt controller support for MAX732x"
 716	depends on GPIO_MAX732X=y
 717	select GPIOLIB_IRQCHIP
 718	help
 719	  Say yes here to enable the max732x to be used as an interrupt
 720	  controller. It requires the driver to be built in the kernel.
 721
 722config GPIO_MC9S08DZ60
 723	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
 724	depends on I2C=y && MACH_MX35_3DS
 725	help
 726	  Select this to enable the MC9S08DZ60 GPIO driver
 727
 728config GPIO_PCA953X
 729	tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
 
 730	help
 731	  Say yes here to provide access to several register-oriented
 732	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
 733	  models include:
 734
 735	  4 bits:	pca9536, pca9537
 736
 737	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
 738			pca9556, pca9557, pca9574, tca6408, xra1202
 739
 740	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
 741			tca6416
 742
 743	  24 bits:	tca6424
 744
 745	  40 bits:	pca9505, pca9698
 746
 747config GPIO_PCA953X_IRQ
 748	bool "Interrupt controller support for PCA953x"
 749	depends on GPIO_PCA953X=y
 750	select GPIOLIB_IRQCHIP
 751	help
 752	  Say yes here to enable the pca953x to be used as an interrupt
 753	  controller. It requires the driver to be built in the kernel.
 754
 
 
 
 
 
 
 
 
 755config GPIO_PCF857X
 756	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
 757	select GPIOLIB_IRQCHIP
 758	select IRQ_DOMAIN
 759	help
 760	  Say yes here to provide access to most "quasi-bidirectional" I2C
 761	  GPIO expanders used for additional digital outputs or inputs.
 762	  Most of these parts are from NXP, though TI is a second source for
 763	  some of them.  Compatible models include:
 764
 765	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
 766	            pca9670, pca9672, pca9674, pca9674a,
 767	  	    max7328, max7329
 768
 769	  16 bits:  pcf8575, pcf8575c, pca8575,
 770	            pca9671, pca9673, pca9675
 771
 772	  Your board setup code will need to declare the expanders in
 773	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
 774	  can then be used from drivers and other kernel code, just like
 775	  other GPIOs, but only accessible from task contexts.
 776
 777	  This driver provides an in-kernel interface to those GPIOs using
 778	  platform-neutral GPIO calls.
 779
 780config GPIO_SX150X
 781	bool "Semtech SX150x I2C GPIO expander (deprecated)"
 782	depends on PINCTRL && I2C=y
 783	select PINCTRL_SX150X
 784	default n
 785	help
 786	  Say yes here to provide support for Semtech SX150x-series I2C
 787	  GPIO expanders. The GPIO driver was replaced by a Pinctrl version.
 788
 789config GPIO_TPIC2810
 790	tristate "TPIC2810 8-Bit I2C GPO expander"
 791	help
 792	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
 793
 794	  To compile this driver as a module, choose M here: the module will
 795	  be called gpio-tpic2810.
 796
 797config GPIO_TS4900
 798	tristate "Technologic Systems FPGA I2C GPIO"
 799	depends on SOC_IMX6 || COMPILE_TEST
 800	select REGMAP_I2C
 801	help
 802	  Say yes here to enabled the GPIO driver for Technologic's FPGA core.
 803	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
 804
 805endmenu
 806
 807menu "MFD GPIO expanders"
 808
 809config GPIO_ADP5520
 810	tristate "GPIO Support for ADP5520 PMIC"
 811	depends on PMIC_ADP5520
 812	help
 813	  This option enables support for on-chip GPIO found
 814	  on Analog Devices ADP5520 PMICs.
 815
 816config GPIO_ALTERA_A10SR
 817	tristate "Altera Arria10 System Resource GPIO"
 818	depends on MFD_ALTERA_A10SR
 819	help
 820	  Driver for Arria10 Development Kit GPIO expansion which
 821	  includes reads of pushbuttons and DIP switches as well
 822	  as writes to LEDs.
 823
 824config GPIO_ARIZONA
 825	tristate "Wolfson Microelectronics Arizona class devices"
 826	depends on MFD_ARIZONA
 827	help
 828	  Support for GPIOs on Wolfson Arizona class devices.
 829
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 830config GPIO_CRYSTAL_COVE
 831	tristate "GPIO support for Crystal Cove PMIC"
 832	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
 833	select GPIOLIB_IRQCHIP
 834	help
 835	  Support for GPIO pins on Crystal Cove PMIC.
 836
 837	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
 838	  inside.
 839
 840	  This driver can also be built as a module. If so, the module will be
 841	  called gpio-crystalcove.
 842
 843config GPIO_CS5535
 844	tristate "AMD CS5535/CS5536 GPIO support"
 845	depends on X86 || MIPS || COMPILE_TEST
 846	depends on MFD_CS5535
 847	help
 848	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
 849	  can be used for quite a number of things.  The CS5535/6 is found on
 850	  AMD Geode and Lemote Yeeloong devices.
 851
 852	  If unsure, say N.
 853
 854config GPIO_DA9052
 855	tristate "Dialog DA9052 GPIO"
 856	depends on PMIC_DA9052
 857	help
 858	  Say yes here to enable the GPIO driver for the DA9052 chip.
 859
 860config GPIO_DA9055
 861	tristate "Dialog Semiconductor DA9055 GPIO"
 862	depends on MFD_DA9055
 863	help
 864	  Say yes here to enable the GPIO driver for the DA9055 chip.
 865
 866	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
 867	  be controller by this driver.
 868
 869	  If driver is built as a module it will be called gpio-da9055.
 870
 871config GPIO_DLN2
 872	tristate "Diolan DLN2 GPIO support"
 873	depends on MFD_DLN2
 874	select GPIOLIB_IRQCHIP
 875
 876	help
 877	  Select this option to enable GPIO driver for the Diolan DLN2
 878	  board.
 879
 880	  This driver can also be built as a module. If so, the module
 881	  will be called gpio-dln2.
 882
 883config HTC_EGPIO
 884	bool "HTC EGPIO support"
 885	depends on GPIOLIB && ARM
 886	help
 887	    This driver supports the CPLD egpio chip present on
 888	    several HTC phones.  It provides basic support for input
 889	    pins, output pins, and irqs.
 890
 891config GPIO_JANZ_TTL
 892	tristate "Janz VMOD-TTL Digital IO Module"
 893	depends on MFD_JANZ_CMODIO
 894	help
 895	  This enables support for the Janz VMOD-TTL Digital IO module.
 896	  This driver provides support for driving the pins in output
 897	  mode only. Input mode is not supported.
 898
 899config GPIO_KEMPLD
 900	tristate "Kontron ETX / COMexpress GPIO"
 901	depends on MFD_KEMPLD
 902	help
 903	  This enables support for the PLD GPIO interface on some Kontron ETX
 904	  and COMexpress (ETXexpress) modules.
 905
 906	  This driver can also be built as a module. If so, the module will be
 907	  called gpio-kempld.
 908
 909config GPIO_LP3943
 910	tristate "TI/National Semiconductor LP3943 GPIO expander"
 911	depends on MFD_LP3943
 912	help
 913	  GPIO driver for LP3943 MFD.
 914	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
 915	  Open drain outputs are required for this usage.
 916
 917config GPIO_LP873X
 918	tristate "TI LP873X GPO"
 919	depends on MFD_TI_LP873X
 920	help
 921	  This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
 922	  on LP873X PMICs.
 923
 924	  This driver can also be built as a module. If so, the module will be
 925          called gpio-lp873x.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 926
 927config GPIO_MAX77620
 928	tristate "GPIO support for PMIC MAX77620 and MAX20024"
 929	depends on MFD_MAX77620
 
 930	help
 931	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
 932	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
 933	  driver also provides interrupt support for each of the gpios.
 934	  Say yes here to enable the max77620 to be used as gpio controller.
 935
 936config GPIO_MSIC
 937	bool "Intel MSIC mixed signal gpio support"
 938	depends on (X86 || COMPILE_TEST) && MFD_INTEL_MSIC
 939	help
 940	  Enable support for GPIO on intel MSIC controllers found in
 941	  intel MID devices
 942
 943config GPIO_PALMAS
 944	bool "TI PALMAS series PMICs GPIO"
 945	depends on MFD_PALMAS
 946	help
 947	  Select this option to enable GPIO driver for the TI PALMAS
 948	  series chip family.
 949
 950config GPIO_RC5T583
 951	bool "RICOH RC5T583 GPIO"
 952	depends on MFD_RC5T583
 953	help
 954	  Select this option to enable GPIO driver for the Ricoh RC5T583
 955	  chip family.
 956	  This driver provides the support for driving/reading the gpio pins
 957	  of RC5T583 device through standard gpio library.
 958
 
 
 
 
 
 
 
 
 
 
 
 
 959config GPIO_STMPE
 960	bool "STMPE GPIOs"
 961	depends on MFD_STMPE
 962	depends on OF_GPIO
 963	select GPIOLIB_IRQCHIP
 964	help
 965	  This enables support for the GPIOs found on the STMPE I/O
 966	  Expanders.
 967
 968config GPIO_TC3589X
 969	bool "TC3589X GPIOs"
 970	depends on MFD_TC3589X
 971	depends on OF_GPIO
 972	select GPIOLIB_IRQCHIP
 973	help
 974	  This enables support for the GPIOs found on the TC3589X
 975	  I/O Expander.
 976
 977config GPIO_TIMBERDALE
 978	bool "Support for timberdale GPIO IP"
 979	depends on MFD_TIMBERDALE
 980	---help---
 981	Add support for the GPIO IP in the timberdale FPGA.
 982
 983config GPIO_TPS65086
 984	tristate "TI TPS65086 GPO"
 985	depends on MFD_TPS65086
 986	help
 987	  This driver supports the GPO on TI TPS65086x PMICs.
 988
 989config GPIO_TPS65218
 990	tristate "TPS65218 GPIO"
 991	depends on MFD_TPS65218
 992	help
 993	  Select this option to enable GPIO driver for the TPS65218
 994	  chip family.
 995
 996config GPIO_TPS6586X
 997	bool "TPS6586X GPIO"
 998	depends on MFD_TPS6586X
 999	help
1000	  Select this option to enable GPIO driver for the TPS6586X
1001	  chip family.
1002
1003config GPIO_TPS65910
1004	bool "TPS65910 GPIO"
1005	depends on MFD_TPS65910
1006	help
1007	  Select this option to enable GPIO driver for the TPS65910
1008	  chip family.
1009
1010config GPIO_TPS65912
1011	tristate "TI TPS65912 GPIO"
1012	depends on MFD_TPS65912
1013	help
1014	  This driver supports TPS65912 gpio chip
1015
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1016config GPIO_TWL4030
1017	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1018	depends on TWL4030_CORE
1019	help
1020	  Say yes here to access the GPIO signals of various multi-function
1021	  power management chips from Texas Instruments.
1022
1023config GPIO_TWL6040
1024	tristate "TWL6040 GPO"
1025	depends on TWL6040_CORE
1026	help
1027	  Say yes here to access the GPO signals of twl6040
1028	  audio chip from Texas Instruments.
1029
1030config GPIO_UCB1400
1031	tristate "Philips UCB1400 GPIO"
1032	depends on UCB1400_CORE
1033	help
1034	  This enables support for the Philips UCB1400 GPIO pins.
1035	  The UCB1400 is an AC97 audio codec.
1036
1037config GPIO_WHISKEY_COVE
1038	tristate "GPIO support for Whiskey Cove PMIC"
1039	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
1040	select GPIOLIB_IRQCHIP
1041	help
1042	  Support for GPIO pins on Whiskey Cove PMIC.
1043
1044	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
1045	  inside.
1046
1047	  This driver can also be built as a module. If so, the module will be
1048	  called gpio-wcove.
1049
1050config GPIO_WM831X
1051	tristate "WM831x GPIOs"
1052	depends on MFD_WM831X
1053	help
1054	  Say yes here to access the GPIO signals of WM831x power management
1055	  chips from Wolfson Microelectronics.
1056
1057config GPIO_WM8350
1058	tristate "WM8350 GPIOs"
1059	depends on MFD_WM8350
1060	help
1061	  Say yes here to access the GPIO signals of WM8350 power management
1062	  chips from Wolfson Microelectronics.
1063
1064config GPIO_WM8994
1065	tristate "WM8994 GPIOs"
1066	depends on MFD_WM8994
1067	help
1068	  Say yes here to access the GPIO signals of WM8994 audio hub
1069	  CODECs from Wolfson Microelectronics.
1070
1071endmenu
1072
1073menu "PCI GPIO expanders"
1074	depends on PCI
1075
1076config GPIO_AMD8111
1077	tristate "AMD 8111 GPIO driver"
1078	depends on X86 || COMPILE_TEST
 
1079	help
1080	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
1081
1082	  Note, that usually system firmware/ACPI handles GPIO pins on their
1083	  own and users might easily break their systems with uncarefull usage
1084	  of this driver!
1085
1086	  If unsure, say N
1087
1088config GPIO_BT8XX
1089	tristate "BT8XX GPIO abuser"
1090	depends on VIDEO_BT848=n
1091	help
1092	  The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1093	  as a cheap PCI GPIO card.
1094
1095	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1096
1097	  The card needs to be physically altered for using it as a
1098	  GPIO card. For more information on how to build a GPIO card
1099	  from a BT8xx TV card, see the documentation file at
1100	  Documentation/bt8xxgpio.txt
1101
1102	  If unsure, say N.
1103
1104config GPIO_INTEL_MID
1105	bool "Intel MID GPIO support"
1106	depends on X86_INTEL_MID
1107	select GPIOLIB_IRQCHIP
1108	help
1109	  Say Y here to support Intel MID GPIO.
1110
1111config GPIO_MERRIFIELD
1112	tristate "Intel Merrifield GPIO support"
1113	depends on X86_INTEL_MID
1114	select GPIOLIB_IRQCHIP
1115	help
1116	  Say Y here to support Intel Merrifield GPIO.
1117
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1118config GPIO_ML_IOH
1119	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
1120	depends on X86 || COMPILE_TEST
1121	select GENERIC_IRQ_CHIP
1122	help
1123	  ML7213 is companion chip for Intel Atom E6xx series.
1124	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
1125	  Hub) which is for IVI(In-Vehicle Infotainment) use.
1126	  This driver can access the IOH's GPIO device.
1127
1128config GPIO_PCH
1129	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
1130	depends on X86_32 || MIPS || COMPILE_TEST
1131	select GENERIC_IRQ_CHIP
1132	help
1133	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
1134	  which is an IOH(Input/Output Hub) for x86 embedded processor.
1135	  This driver can access PCH GPIO device.
1136
1137	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1138	  Output Hub), ML7223 and ML7831.
1139	  ML7223 IOH is for MP(Media Phone) use.
1140	  ML7831 IOH is for general purpose use.
1141	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1142	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1143
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1144config GPIO_RDC321X
1145	tristate "RDC R-321x GPIO support"
1146	select MFD_CORE
1147	select MFD_RDC321X
1148	help
1149	  Support for the RDC R321x SoC GPIOs over southbridge
1150	  PCI configuration space.
1151
1152config GPIO_SODAVILLE
1153	bool "Intel Sodaville GPIO support"
1154	depends on X86 && OF
1155	select GPIO_GENERIC
1156	select GENERIC_IRQ_CHIP
1157	help
1158	  Say Y here to support Intel Sodaville GPIO.
1159
1160endmenu
1161
1162menu "SPI GPIO expanders"
1163	depends on SPI_MASTER
1164
1165config GPIO_74X164
1166	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1167	depends on OF_GPIO
1168	help
1169	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1170	  shift registers. This driver can be used to provide access
1171	  to more gpio outputs.
1172
 
 
 
 
 
 
 
 
 
 
1173config GPIO_MAX7301
1174	tristate "Maxim MAX7301 GPIO expander"
1175	select GPIO_MAX730X
1176	help
1177	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1178
1179config GPIO_MC33880
1180	tristate "Freescale MC33880 high-side/low-side switch"
1181	help
1182	  SPI driver for Freescale MC33880 high-side/low-side switch.
1183	  This provides GPIO interface supporting inputs and outputs.
1184
1185config GPIO_PISOSR
1186	tristate "Generic parallel-in/serial-out shift register"
1187	help
1188	  GPIO driver for SPI compatible parallel-in/serial-out shift
1189	  registers. These are input only devices.
1190
1191endmenu
1192
1193menu "SPI or I2C GPIO expanders"
1194	depends on (SPI_MASTER && !I2C) || I2C
1195
1196config GPIO_MCP23S08
1197	tristate "Microchip MCP23xxx I/O expander"
1198	depends on OF_GPIO
1199	select GPIOLIB_IRQCHIP
1200	help
1201	  SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
1202	  I/O expanders.
1203	  This provides a GPIO interface supporting inputs and outputs.
1204	  The I2C versions of the chips can be used as interrupt-controller.
1205
1206endmenu
1207
1208menu "USB GPIO expanders"
1209	depends on USB
1210
1211config GPIO_VIPERBOARD
1212	tristate "Viperboard GPIO a & b support"
1213	depends on MFD_VIPERBOARD
1214	help
1215	  Say yes here to access the GPIO signals of Nano River
1216	  Technologies Viperboard. There are two GPIO chips on the
1217	  board: gpioa and gpiob.
1218          See viperboard API specification and Nano
1219          River Tech's viperboard.h for detailed meaning
1220          of the module parameters.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1221
1222endmenu
1223
1224endif

   1# SPDX-License-Identifier: GPL-2.0-only
   2#
   3# GPIO infrastructure and drivers
   4#
   5
   6config ARCH_HAVE_CUSTOM_GPIO_H
   7	bool
   8	help
   9	  Selecting this config option from the architecture Kconfig allows
  10	  the architecture to provide a custom asm/gpio.h implementation
  11	  overriding the default implementations.  New uses of this are
  12	  strongly discouraged.
  13
  14menuconfig GPIOLIB
  15	bool "GPIO Support"
 
  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
  23if GPIOLIB
  24
  25config GPIOLIB_FASTPATH_LIMIT
  26	int "Maximum number of GPIOs for fast path"
  27	range 32 512
  28	default 512
  29	help
  30	  This adjusts the point at which certain APIs will switch from
  31	  using a stack allocated buffer to a dynamically allocated buffer.
  32
  33	  You shouldn't need to change this unless you really need to
  34	  optimize either stack space or performance. Change this carefully
  35	  since setting an incorrect value could cause stack corruption.
  36
  37config OF_GPIO
  38	def_bool y
  39	depends on OF
  40	depends on HAS_IOMEM
  41
  42config GPIO_ACPI
  43	def_bool y
  44	depends on ACPI
  45
  46config GPIOLIB_IRQCHIP
  47	select IRQ_DOMAIN
  48	bool
  49
  50config DEBUG_GPIO
  51	bool "Debug GPIO calls"
  52	depends on DEBUG_KERNEL
  53	help
  54	  Say Y here to add some extra checks and diagnostics to GPIO calls.
  55	  These checks help ensure that GPIOs have been properly initialized
  56	  before they are used, and that sleeping calls are not made from
  57	  non-sleeping contexts.  They can make bitbanged serial protocols
  58	  slower.  The diagnostics help catch the type of setup errors
  59	  that are most common when setting up new platforms or boards.
  60
  61config GPIO_SYSFS
  62	bool "/sys/class/gpio/... (sysfs interface)" if EXPERT
  63	depends on SYSFS
  64	select GPIO_CDEV # We need to encourage the new ABI
  65	help
  66	  Say Y here to add the legacy sysfs interface for GPIOs.
  67
  68	  This ABI is deprecated. If you want to use GPIO from userspace,
  69	  use the character device /dev/gpiochipN with the appropriate
  70	  ioctl() operations instead.
  71
  72config GPIO_CDEV
  73	bool
  74	prompt "Character device (/dev/gpiochipN) support" if EXPERT
  75	default y
  76	help
  77	  Say Y here to add the character device /dev/gpiochipN interface
  78	  for GPIOs. The character device allows userspace to control GPIOs
  79	  using ioctl() operations.
  80
  81	  Only say N if you are sure that the GPIO character device is not
  82	  required.
  83
  84	  If unsure, say Y.
  85
  86config GPIO_CDEV_V1
  87	bool "Support GPIO ABI Version 1"
  88	default y
  89	depends on GPIO_CDEV
  90	help
  91	  Say Y here to support version 1 of the GPIO CDEV ABI.
  92
  93	  This ABI version is deprecated.
  94	  Please use the latest ABI for new developments.
 
 
 
  95
  96	  If unsure, say Y.
 
  97
  98config GPIO_GENERIC
  99	depends on HAS_IOMEM # Only for IOMEM drivers
 100	tristate
 101
 102config GPIO_REGMAP
 103	depends on REGMAP
 104	tristate
 105
 106# put drivers in the right section, in alphabetical order
 107
 108# This symbol is selected by both I2C and SPI expanders
 109config GPIO_MAX730X
 110	tristate
 111
 112menu "Memory mapped GPIO drivers"
 113	depends on HAS_IOMEM
 114
 115config GPIO_74XX_MMIO
 116	tristate "GPIO driver for 74xx-ICs with MMIO access"
 117	depends on OF_GPIO
 118	select GPIO_GENERIC
 119	help
 120	  Say yes here to support GPIO functionality for 74xx-compatible ICs
 121	  with MMIO access. Compatible models include:
 122	    1 bit:	741G125 (Input), 741G74 (Output)
 123	    2 bits:	742G125 (Input), 7474 (Output)
 124	    4 bits:	74125 (Input), 74175 (Output)
 125	    6 bits:	74365 (Input), 74174 (Output)
 126	    8 bits:	74244 (Input), 74273 (Output)
 127	    16 bits:	741624 (Input), 7416374 (Output)
 128
 129config GPIO_ALTERA
 130	tristate "Altera GPIO"
 131	depends on OF_GPIO
 132	select GPIOLIB_IRQCHIP
 133	help
 134	  Say Y or M here to build support for the Altera PIO device.
 135
 136	  If driver is built as a module it will be called gpio-altera.
 137
 138config GPIO_AMDPT
 139	tristate "AMD Promontory GPIO support"
 140	depends on ACPI
 141	select GPIO_GENERIC
 142	help
 143	  driver for GPIO functionality on Promontory IOHub
 144	  Require ACPI ASL code to enumerate as a platform device.
 145
 146config GPIO_ASPEED
 147	tristate "Aspeed GPIO support"
 148	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
 149	select GPIOLIB_IRQCHIP
 150	help
 151	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
 152
 153config GPIO_ASPEED_SGPIO
 154	bool "Aspeed SGPIO support"
 155	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
 156	select GPIO_GENERIC
 157	select GPIOLIB_IRQCHIP
 158	help
 159	  Say Y here to support Aspeed AST2500 SGPIO functionality.
 160
 161config GPIO_ATH79
 162	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
 163	default y if ATH79
 164	depends on ATH79 || COMPILE_TEST
 165	select GPIO_GENERIC
 166	select GPIOLIB_IRQCHIP
 167	help
 168	  Select this option to enable GPIO driver for
 169	  Atheros AR71XX/AR724X/AR913X SoC devices.
 170
 171config GPIO_RASPBERRYPI_EXP
 172	tristate "Raspberry Pi 3 GPIO Expander"
 173	default RASPBERRYPI_FIRMWARE
 174	depends on OF_GPIO
 175	# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
 176	# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
 177	depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
 178	help
 179	  Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
 180	  the firmware mailbox to communicate with VideoCore on BCM283x chips.
 181
 182config GPIO_BCM_KONA
 183	bool "Broadcom Kona GPIO"
 184	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
 185	help
 186	  Turn on GPIO support for Broadcom "Kona" chips.
 187
 188config GPIO_BCM_XGS_IPROC
 189	tristate "BRCM XGS iProc GPIO support"
 190	depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST)
 191	select GPIO_GENERIC
 192	select GPIOLIB_IRQCHIP
 193	default ARCH_BCM_IPROC
 194	help
 195	  Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
 196
 197config GPIO_BRCMSTB
 198	tristate "BRCMSTB GPIO support"
 199	default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
 200	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
 201	select GPIO_GENERIC
 202	select IRQ_DOMAIN
 203	help
 204	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
 205
 206config GPIO_CADENCE
 207	tristate "Cadence GPIO support"
 208	depends on OF_GPIO
 209	select GPIO_GENERIC
 210	select GPIOLIB_IRQCHIP
 211	help
 212	  Say yes here to enable support for Cadence GPIO controller.
 213
 214config GPIO_CLPS711X
 215	tristate "CLPS711X GPIO support"
 216	depends on ARCH_CLPS711X || COMPILE_TEST
 217	select GPIO_GENERIC
 218	help
 219	  Say yes here to support GPIO on CLPS711X SoCs.
 220
 221config GPIO_DAVINCI
 222	bool "TI Davinci/Keystone GPIO support"
 223	default y if ARCH_DAVINCI
 224	depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)
 225	help
 226	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
 227
 228config GPIO_DWAPB
 229	tristate "Synopsys DesignWare APB GPIO driver"
 230	select GPIO_GENERIC
 231	select GPIOLIB_IRQCHIP
 232	help
 233	  Say Y or M here to build support for the Synopsys DesignWare APB
 234	  GPIO block.
 235
 236config GPIO_EIC_SPRD
 237	tristate "Spreadtrum EIC support"
 238	depends on ARCH_SPRD || COMPILE_TEST
 239	depends on OF_GPIO
 240	select GPIOLIB_IRQCHIP
 241	help
 242	  Say yes here to support Spreadtrum EIC device.
 243
 244config GPIO_EM
 245	tristate "Emma Mobile GPIO"
 246	depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
 247	help
 248	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.
 249
 250config GPIO_EP93XX
 251	def_bool y
 252	depends on ARCH_EP93XX
 253	select GPIO_GENERIC
 
 
 
 
 
 
 254	select GPIOLIB_IRQCHIP
 255
 256config GPIO_EXAR
 257	tristate "Support for GPIO pins on XR17V352/354/358"
 258	depends on SERIAL_8250_EXAR
 259	select REGMAP_MMIO
 260	help
 261	  Selecting this option will enable handling of GPIO pins present
 262	  on Exar XR17V352/354/358 chips.
 263
 264config GPIO_GE_FPGA
 265	bool "GE FPGA based GPIO"
 266	depends on GE_FPGA
 267	select GPIO_GENERIC
 268	help
 269	  Support for common GPIO functionality provided on some GE Single Board
 270	  Computers.
 271
 272	  This driver provides basic support (configure as input or output, read
 273	  and write pin state) for GPIO implemented in a number of GE single
 274	  board computers.
 275
 276config GPIO_FTGPIO010
 277	bool "Faraday FTGPIO010 GPIO"
 278	depends on OF_GPIO
 279	select GPIO_GENERIC
 280	select GPIOLIB_IRQCHIP
 281	default (ARCH_GEMINI || ARCH_MOXART)
 282	help
 283	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
 284	  Cortina systems Gemini platforms, Moxa ART and others.
 285
 286config GPIO_GENERIC_PLATFORM
 287	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
 288	select GPIO_GENERIC
 289	help
 290	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
 291
 292config GPIO_GRGPIO
 293	tristate "Aeroflex Gaisler GRGPIO support"
 294	depends on OF_GPIO
 295	select GPIO_GENERIC
 296	select IRQ_DOMAIN
 297	help
 298	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
 299	  VHDL IP core library.
 300
 301config GPIO_HISI
 302	tristate "HiSilicon GPIO controller driver"
 303	depends on (ARM64 && ACPI) || COMPILE_TEST
 304	select GPIO_GENERIC
 305	select GPIOLIB_IRQCHIP
 306	help
 307	  Say Y or M here to build support for the HiSilicon GPIO controller
 308	  driver GPIO block.
 309	  This GPIO controller support double-edge interrupt and multi-core
 310	  concurrent access.
 311
 312config GPIO_HLWD
 313	tristate "Nintendo Wii (Hollywood) GPIO"
 314	depends on OF_GPIO
 315	select GPIO_GENERIC
 316	select GPIOLIB_IRQCHIP
 317	help
 318	  Select this to support the GPIO controller of the Nintendo Wii.
 319
 320	  If unsure, say N.
 321
 322config GPIO_ICH
 323	tristate "Intel ICH GPIO"
 324	depends on X86
 325	depends on LPC_ICH
 
 326	help
 327	  Say yes here to support the GPIO functionality of a number of Intel
 328	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
 329	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
 330	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
 331
 332	  If unsure, say N.
 333
 334config GPIO_IOP
 335	tristate "Intel IOP GPIO"
 336	depends on ARCH_IOP32X || COMPILE_TEST
 337	select GPIO_GENERIC
 338	help
 339	  Say yes here to support the GPIO functionality of a number of Intel
 340	  IOP32X or IOP33X.
 341
 342	  If unsure, say N.
 343
 344config GPIO_IXP4XX
 345	bool "Intel IXP4xx GPIO"
 346	depends on ARM # For <asm/mach-types.h>
 347	depends on ARCH_IXP4XX
 348	select GPIO_GENERIC
 349	select GPIOLIB_IRQCHIP
 350	select IRQ_DOMAIN_HIERARCHY
 351	help
 352	  Say yes here to support the GPIO functionality of a number of Intel
 353	  IXP4xx series of chips.
 354
 355	  If unsure, say N.
 356config GPIO_LOGICVC
 357	tristate "Xylon LogiCVC GPIO support"
 358	depends on MFD_SYSCON && OF
 359	help
 360	  Say yes here to support GPIO functionality of the Xylon LogiCVC
 361	  programmable logic block.
 362
 363config GPIO_LOONGSON
 364	bool "Loongson-2/3 GPIO support"
 365	depends on CPU_LOONGSON2EF || CPU_LOONGSON64
 366	help
 367	  driver for GPIO functionality on Loongson-2F/3A/3B processors.
 368
 369config GPIO_LPC18XX
 370	tristate "NXP LPC18XX/43XX GPIO support"
 371	default y if ARCH_LPC18XX
 372	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
 373	select IRQ_DOMAIN_HIERARCHY
 374	help
 375	  Select this option to enable GPIO driver for
 376	  NXP LPC18XX/43XX devices.
 377
 378config GPIO_LPC32XX
 379	tristate "NXP LPC32XX GPIO support"
 380	depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST)
 
 381	help
 382	  Select this option to enable GPIO driver for
 383	  NXP LPC32XX devices.
 384
 385config GPIO_MB86S7X
 386	tristate "GPIO support for Fujitsu MB86S7x Platforms"
 
 387	help
 388	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
 389
 390config GPIO_MENZ127
 391	tristate "MEN 16Z127 GPIO support"
 392	depends on MCB
 393	select GPIO_GENERIC
 394	help
 395	  Say yes here to support the MEN 16Z127 GPIO Controller
 396
 397config GPIO_MM_LANTIQ
 398	bool "Lantiq Memory mapped GPIOs"
 399	depends on LANTIQ && SOC_XWAY
 400	help
 401	  This enables support for memory mapped GPIOs on the External Bus Unit
 402	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
 403	  created by attaching a 16bit latch to the bus.
 404
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 405config GPIO_MPC5200
 406	def_bool y
 407	depends on PPC_MPC52xx
 408
 409config GPIO_MPC8XXX
 410	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
 411	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
 412		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
 413		   COMPILE_TEST
 414	select GPIO_GENERIC
 415	select IRQ_DOMAIN
 416	help
 417	  Say Y here if you're going to use hardware that connects to the
 418	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
 419
 420config GPIO_MT7621
 421	bool "Mediatek MT7621 GPIO Support"
 422	depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST
 423	depends on OF_GPIO
 424	select GPIO_GENERIC
 425	select GPIOLIB_IRQCHIP
 426	help
 427	  Say yes here to support the Mediatek MT7621 SoC GPIO device
 428
 429config GPIO_MVEBU
 430	def_bool y
 431	depends on PLAT_ORION || ARCH_MVEBU
 432	depends on OF_GPIO
 433	select GENERIC_IRQ_CHIP
 434	select REGMAP_MMIO
 435
 436config GPIO_MXC
 437	tristate "i.MX GPIO support"
 438	depends on ARCH_MXC || COMPILE_TEST
 439	select GPIO_GENERIC
 440	select GENERIC_IRQ_CHIP
 441
 442config GPIO_MXS
 443	bool "Freescale MXS GPIO support" if COMPILE_TEST
 444	depends on ARCH_MXS || COMPILE_TEST
 445	default y if ARCH_MXS
 446	select GPIO_GENERIC
 447	select GENERIC_IRQ_CHIP
 448
 449config GPIO_OCTEON
 450	tristate "Cavium OCTEON GPIO"
 451	depends on CAVIUM_OCTEON_SOC
 452	default y
 453	help
 454	  Say yes here to support the on-chip GPIO lines on the OCTEON
 455	  family of SOCs.
 456
 457config GPIO_OMAP
 458	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
 459	default y if ARCH_OMAP
 460	depends on ARM
 461	select GENERIC_IRQ_CHIP
 462	select GPIOLIB_IRQCHIP
 463	help
 464	  Say yes here to enable GPIO support for TI OMAP SoCs.
 465
 466config GPIO_PL061
 467	tristate "PrimeCell PL061 GPIO support"
 468	depends on ARM_AMBA
 469	select IRQ_DOMAIN
 470	select GPIOLIB_IRQCHIP
 471	help
 472	  Say yes here to support the PrimeCell PL061 GPIO device
 473
 474config GPIO_PMIC_EIC_SPRD
 475	tristate "Spreadtrum PMIC EIC support"
 476	depends on MFD_SC27XX_PMIC || COMPILE_TEST
 477	depends on OF_GPIO
 478	select GPIOLIB_IRQCHIP
 479	help
 480	  Say yes here to support Spreadtrum PMIC EIC device.
 481
 482config GPIO_PXA
 483	bool "PXA GPIO support"
 484	depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
 485	help
 486	  Say yes here to support the PXA GPIO device
 487
 488config GPIO_RCAR
 489	tristate "Renesas R-Car and RZ/G GPIO support"
 490	depends on ARCH_RENESAS || COMPILE_TEST
 491	select GPIOLIB_IRQCHIP
 492	help
 493	  Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs.
 494
 495config GPIO_RDA
 496	bool "RDA Micro GPIO controller support"
 497	depends on ARCH_RDA || COMPILE_TEST
 498	depends on OF_GPIO
 499	select GPIO_GENERIC
 500	select GPIOLIB_IRQCHIP
 501	help
 502	  Say Y here to support RDA Micro GPIO controller.
 503
 504config GPIO_REALTEK_OTTO
 505	tristate "Realtek Otto GPIO support"
 506	depends on MACH_REALTEK_RTL
 507	default MACH_REALTEK_RTL
 508	select GPIO_GENERIC
 509	select GPIOLIB_IRQCHIP
 510	help
 511	  The GPIO controller on the Otto MIPS platform supports up to two
 512	  banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs
 513	  are grouped in four 8-bit wide ports.
 514
 515	  When built as a module, the module will be called realtek_otto_gpio.
 516
 517config GPIO_REG
 518	bool
 519	help
 520	  A 32-bit single register GPIO fixed in/out implementation.  This
 521	  can be used to represent any register as a set of GPIO signals.
 522
 523config GPIO_SAMA5D2_PIOBU
 524	tristate "SAMA5D2 PIOBU GPIO support"
 525	depends on MFD_SYSCON
 526	depends on OF_GPIO
 527	select GPIO_SYSCON
 528	help
 529	  Say yes here to use the PIOBU pins as GPIOs.
 530
 531	  PIOBU pins on the SAMA5D2 can be used as GPIOs.
 532	  The difference from regular GPIOs is that they
 533	  maintain their value during backup/self-refresh.
 534
 535config GPIO_SIFIVE
 536	bool "SiFive GPIO support"
 537	depends on OF_GPIO
 538	select IRQ_DOMAIN_HIERARCHY
 539	select GPIO_GENERIC
 540	select GPIOLIB_IRQCHIP
 541	select REGMAP_MMIO
 542	help
 543	  Say yes here to support the GPIO device on SiFive SoCs.
 544
 545config GPIO_SIOX
 546	tristate "SIOX GPIO support"
 547	depends on SIOX
 548	select GPIOLIB_IRQCHIP
 549	help
 550	  Say yes here to support SIOX I/O devices. These are units connected
 551	  via a SIOX bus and have a number of fixed-direction I/O lines.
 552
 553config GPIO_SNPS_CREG
 554	bool "Synopsys GPIO via CREG (Control REGisters) driver"
 555	depends on ARC || COMPILE_TEST
 556	depends on OF_GPIO
 557	help
 558	  This driver supports GPIOs via CREG on various Synopsys SoCs.
 559	  This is a single-register MMIO GPIO driver for complex cases
 560	  where only several fields in register belong to GPIO lines and
 561	  each GPIO line owns a field with different length and on/off value.
 562
 563config GPIO_SPEAR_SPICS
 564	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 565	depends on PLAT_SPEAR
 566	select GENERIC_IRQ_CHIP
 567	help
 568	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device
 569
 570config GPIO_SPRD
 571	tristate "Spreadtrum GPIO support"
 572	depends on ARCH_SPRD || COMPILE_TEST
 573	depends on OF_GPIO
 574	select GPIOLIB_IRQCHIP
 575	help
 576	  Say yes here to support Spreadtrum GPIO device.
 577
 578config GPIO_STA2X11
 579	bool "STA2x11/ConneXt GPIO support"
 580	depends on MFD_STA2X11
 581	select GENERIC_IRQ_CHIP
 582	help
 583	  Say yes here to support the STA2x11/ConneXt GPIO device.
 584	  The GPIO module has 128 GPIO pins with alternate functions.
 585
 586config GPIO_STP_XWAY
 587	bool "XWAY STP GPIOs"
 588	depends on SOC_XWAY || COMPILE_TEST
 589	depends on OF_GPIO
 590	help
 591	  This enables support for the Serial To Parallel (STP) unit found on
 592	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
 593	  that can be up to 24 bit. This peripheral is aimed at driving leds.
 594	  Some of the gpios/leds can be auto updated by the soc with dsl and
 595	  phy status.
 596
 597config GPIO_SYSCON
 598	tristate "GPIO based on SYSCON"
 599	depends on MFD_SYSCON && OF
 600	help
 601	  Say yes here to support GPIO functionality though SYSCON driver.
 602
 603config GPIO_TB10X
 604	bool
 605	select GPIO_GENERIC
 606	select GENERIC_IRQ_CHIP
 607	select OF_GPIO
 608
 609config GPIO_TEGRA
 610	tristate "NVIDIA Tegra GPIO support"
 611	default ARCH_TEGRA
 612	depends on ARCH_TEGRA || COMPILE_TEST
 613	depends on OF_GPIO
 614	select GPIOLIB_IRQCHIP
 615	select IRQ_DOMAIN_HIERARCHY
 616	help
 617	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
 618
 619config GPIO_TEGRA186
 620	tristate "NVIDIA Tegra186 GPIO support"
 621	default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
 622	depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
 623	depends on OF_GPIO
 624	select GPIOLIB_IRQCHIP
 625	select IRQ_DOMAIN_HIERARCHY
 626	help
 627	  Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
 628
 629config GPIO_TS4800
 630	tristate "TS-4800 DIO blocks and compatibles"
 631	depends on OF_GPIO
 632	depends on SOC_IMX51 || COMPILE_TEST
 633	select GPIO_GENERIC
 634	help
 635	  This driver support TS-4800 FPGA GPIO controllers.
 636
 637config GPIO_THUNDERX
 638	tristate "Cavium ThunderX/OCTEON-TX GPIO"
 639	depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
 640	depends on PCI_MSI
 641	select GPIOLIB_IRQCHIP
 642	select IRQ_DOMAIN_HIERARCHY
 643	select IRQ_FASTEOI_HIERARCHY_HANDLERS
 644	help
 645	  Say yes here to support the on-chip GPIO lines on the ThunderX
 646	  and OCTEON-TX families of SoCs.
 647
 648config GPIO_UNIPHIER
 649	tristate "UniPhier GPIO support"
 650	depends on ARCH_UNIPHIER || COMPILE_TEST
 651	depends on OF_GPIO
 652	select IRQ_DOMAIN_HIERARCHY
 653	help
 654	  Say yes here to support UniPhier GPIOs.
 655
 656config GPIO_VF610
 657	def_bool y
 658	depends on ARCH_MXC && SOC_VF610
 659	select GPIOLIB_IRQCHIP
 660	help
 661	  Say yes here to support Vybrid vf610 GPIOs.
 662
 663config GPIO_VISCONTI
 664	tristate "Toshiba Visconti GPIO support"
 665	depends on ARCH_VISCONTI || COMPILE_TEST
 666	depends on OF_GPIO
 667	select GPIOLIB_IRQCHIP
 668	select GPIO_GENERIC
 669	select IRQ_DOMAIN_HIERARCHY
 670	help
 671	  Say yes here to support GPIO on Tohisba Visconti.
 672
 673config GPIO_VR41XX
 674	tristate "NEC VR4100 series General-purpose I/O Uint support"
 675	depends on CPU_VR41XX
 676	help
 677	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 678
 679config GPIO_VX855
 680	tristate "VIA VX855/VX875 GPIO"
 681	depends on (X86 || COMPILE_TEST) && PCI
 682	select MFD_CORE
 683	select MFD_VX855
 684	help
 685	  Support access to the VX855/VX875 GPIO lines through the gpio library.
 686
 687	  This driver provides common support for accessing the device,
 688	  additional drivers must be enabled in order to use the
 689	  functionality of the device.
 690
 691config GPIO_WCD934X
 692	tristate "Qualcomm Technologies Inc WCD9340/WCD9341 gpio controller driver"
 693	depends on MFD_WCD934X && OF_GPIO
 694	help
 695         This driver is to support GPIO block found on the Qualcomm Technologies
 696	 Inc WCD9340/WCD9341 Audio Codec.
 697
 698config GPIO_XGENE
 699	bool "APM X-Gene GPIO controller support"
 700	depends on ARM64 && OF_GPIO
 701	help
 702	  This driver is to support the GPIO block within the APM X-Gene SoC
 703	  platform's generic flash controller. The GPIO pins are muxed with
 704	  the generic flash controller's address and data pins. Say yes
 705	  here to enable the GFC GPIO functionality.
 706
 707config GPIO_XGENE_SB
 708	tristate "APM X-Gene GPIO standby controller support"
 709	depends on (ARCH_XGENE || COMPILE_TEST)
 710	select GPIO_GENERIC
 711	select GPIOLIB_IRQCHIP
 712	select IRQ_DOMAIN_HIERARCHY
 713	help
 714	  This driver supports the GPIO block within the APM X-Gene
 715	  Standby Domain. Say yes here to enable the GPIO functionality.
 716
 717config GPIO_XILINX
 718	tristate "Xilinx GPIO support"
 719	select GPIOLIB_IRQCHIP
 720	depends on OF_GPIO
 721	help
 722	  Say yes here to support the Xilinx FPGA GPIO device
 723
 724config GPIO_XLP
 725	tristate "Netlogic XLP GPIO support"
 726	depends on OF_GPIO && (CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST)
 727	select GPIOLIB_IRQCHIP
 728	help
 729	  This driver provides support for GPIO interface on Netlogic XLP MIPS64
 730	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
 731	  XLP9XX and XLP5XX. The same GPIO controller block is also present in
 732	  Cavium's ThunderX2 CN99XX SoCs.
 733
 734	  If unsure, say N.
 735
 736config GPIO_XTENSA
 737	bool "Xtensa GPIO32 support"
 738	depends on XTENSA
 739	depends on HAVE_XTENSA_GPIO32
 740	depends on !SMP
 741	help
 742	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
 743	  and EXPSTATE (output) ports
 744
 745config GPIO_ZEVIO
 746	bool "LSI ZEVIO SoC memory mapped GPIOs"
 747	depends on ARM && OF_GPIO
 748	help
 749	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
 750
 751config GPIO_ZYNQ
 752	tristate "Xilinx Zynq GPIO support"
 753	depends on ARCH_ZYNQ || ARCH_ZYNQMP
 754	select GPIOLIB_IRQCHIP
 755	help
 756	  Say yes here to support Xilinx Zynq GPIO controller.
 757
 
 
 
 
 
 
 
 758config GPIO_LOONGSON1
 759	tristate "Loongson1 GPIO support"
 760	depends on MACH_LOONGSON32
 761	select GPIO_GENERIC
 762	help
 763	  Say Y or M here to support GPIO on Loongson1 SoCs.
 764
 765config GPIO_AMD_FCH
 766	tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
 767	help
 768	  This option enables driver for GPIO on AMDs Fusion Controller Hub,
 769	  as found on G-series SOCs (eg. GX-412TC)
 770
 771	  Note: This driver doesn't registers itself automatically, as it
 772	  needs to be provided with platform specific configuration.
 773	  (See eg. CONFIG_PCENGINES_APU2.)
 774
 775config GPIO_MSC313
 776	bool "MStar MSC313 GPIO support"
 777	depends on ARCH_MSTARV7
 778	default ARCH_MSTARV7
 779	select GPIOLIB_IRQCHIP
 780	select IRQ_DOMAIN_HIERARCHY
 781	help
 782	  Say Y here to support the main GPIO block on MStar/SigmaStar
 783	  ARMv7 based SoCs.
 784
 785config GPIO_IDT3243X
 786	tristate "IDT 79RC3243X GPIO support"
 787	depends on MIKROTIK_RB532 || COMPILE_TEST
 788	select GPIO_GENERIC
 789	select GPIOLIB_IRQCHIP
 790	help
 791	  Select this option to enable GPIO driver for
 792	  IDT 79RC3243X based devices like Mikrotik RB532.
 793
 794	  To compile this driver as a module, choose M here: the module will
 795	  be called gpio-idt3243x.
 796
 797endmenu
 798
 799menu "Port-mapped I/O GPIO drivers"
 800	depends on X86 # Unconditional I/O space access
 801
 802config GPIO_104_DIO_48E
 803	tristate "ACCES 104-DIO-48E GPIO support"
 804	depends on PC104
 805	select ISA_BUS_API
 806	select GPIOLIB_IRQCHIP
 807	help
 808	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
 809	  104-DIO-24E). The base port addresses for the devices may be
 810	  configured via the base module parameter. The interrupt line numbers
 811	  for the devices may be configured via the irq module parameter.
 812
 813config GPIO_104_IDIO_16
 814	tristate "ACCES 104-IDIO-16 GPIO support"
 815	depends on PC104
 816	select ISA_BUS_API
 817	select GPIOLIB_IRQCHIP
 818	help
 819	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
 820	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
 821	  base port addresses for the devices may be configured via the base
 822	  module parameter. The interrupt line numbers for the devices may be
 823	  configured via the irq module parameter.
 824
 825config GPIO_104_IDI_48
 826	tristate "ACCES 104-IDI-48 GPIO support"
 827	depends on PC104
 828	select ISA_BUS_API
 829	select GPIOLIB_IRQCHIP
 830	help
 831	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
 832	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
 833	  the devices may be configured via the base module parameter. The
 834	  interrupt line numbers for the devices may be configured via the irq
 835	  module parameter.
 836
 837config GPIO_F7188X
 838	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
 839	help
 840	  This option enables support for GPIOs found on Fintek Super-I/O
 841	  chips F71869, F71869A, F71882FG, F71889F and F81866.
 842
 843	  To compile this driver as a module, choose M here: the module will
 844	  be called f7188x-gpio.
 845
 846config GPIO_GPIO_MM
 847	tristate "Diamond Systems GPIO-MM GPIO support"
 848	depends on PC104
 849	select ISA_BUS_API
 850	help
 851	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
 852
 853	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
 854	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO
 855	  support for these 48 channels of digital I/O.
 856
 857	  The base port addresses for the devices may be configured via the base
 858	  array module parameter.
 859
 860config GPIO_IT87
 861	tristate "IT87xx GPIO support"
 862	help
 863	  Say yes here to support GPIO functionality of IT87xx Super I/O chips.
 864
 865	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
 866	  supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as
 867	  well.
 868
 869	  To compile this driver as a module, choose M here: the module will
 870	  be called gpio_it87
 871
 872config GPIO_SCH
 873	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
 874	depends on (X86 || COMPILE_TEST) && ACPI
 875	depends on LPC_SCH
 876	select GPIOLIB_IRQCHIP
 877	help
 878	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
 879	  Intel Tunnel Creek processor, Intel Centerton processor or
 880	  Intel Quark X1000 SoC.
 881
 882	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
 883	  powered by the core power rail and are turned off during sleep
 884	  modes (S3 and higher). The remaining four GPIOs are powered by
 885	  the Intel SCH suspend power supply. These GPIOs remain
 886	  active during S3. The suspend powered GPIOs can be used to wake the
 887	  system from the Suspend-to-RAM state.
 888
 889	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
 890	  core power rail and 9 from suspend power supply.
 891
 892	  The Intel Centerton processor has a total of 30 GPIO pins.
 893	  Twenty-one are powered by the core power rail and 9 from the
 894	  suspend power supply.
 895
 896	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
 897	  power well and 6 from the suspend power well.
 898
 899config GPIO_SCH311X
 900	tristate "SMSC SCH311x SuperI/O GPIO"
 901	help
 902	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
 903	  SCH3116 "Super I/O" chipsets.
 904
 905	  To compile this driver as a module, choose M here: the module will
 906	  be called gpio-sch311x.
 907
 908config GPIO_TS5500
 909	tristate "TS-5500 DIO blocks and compatibles"
 910	depends on TS5500 || COMPILE_TEST
 911	help
 912	  This driver supports Digital I/O exposed by pin blocks found on some
 913	  Technologic Systems platforms. It includes, but is not limited to, 3
 914	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
 915	  LCD port.
 916
 917config GPIO_WINBOND
 918	tristate "Winbond Super I/O GPIO support"
 919	select ISA_BUS_API
 920	help
 921	  This option enables support for GPIOs found on Winbond Super I/O
 922	  chips.
 923	  Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is
 924	  supported.
 925
 926	  You will need to provide a module parameter "gpios", or a
 927	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
 928	  ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
 929
 930	  To compile this driver as a module, choose M here: the module will
 931	  be called gpio-winbond.
 932
 933config GPIO_WS16C48
 934	tristate "WinSystems WS16C48 GPIO support"
 935	select ISA_BUS_API
 936	select GPIOLIB_IRQCHIP
 937	help
 938	  Enables GPIO support for the WinSystems WS16C48. The base port
 939	  addresses for the devices may be configured via the base module
 940	  parameter. The interrupt line numbers for the devices may be
 941	  configured via the irq module parameter.
 942
 943endmenu
 944
 945menu "I2C GPIO expanders"
 946	depends on I2C
 947
 948config GPIO_ADP5588
 949	tristate "ADP5588 I2C GPIO expander"
 950	help
 951	  This option enables support for 18 GPIOs found
 952	  on Analog Devices ADP5588 GPIO Expanders.
 953
 954config GPIO_ADP5588_IRQ
 955	bool "Interrupt controller support for ADP5588"
 956	depends on GPIO_ADP5588=y
 957	select GPIOLIB_IRQCHIP
 958	help
 959	  Say yes here to enable the adp5588 to be used as an interrupt
 960	  controller. It requires the driver to be built in the kernel.
 961
 962config GPIO_ADNP
 963	tristate "Avionic Design N-bit GPIO expander"
 964	depends on OF_GPIO
 965	select GPIOLIB_IRQCHIP
 966	help
 967	  This option enables support for N GPIOs found on Avionic Design
 968	  I2C GPIO expanders. The register space will be extended by powers
 969	  of two, so the controller will need to accommodate for that. For
 970	  example: if a controller provides 48 pins, 6 registers will be
 971	  enough to represent all pins, but the driver will assume a
 972	  register layout for 64 pins (8 registers).
 973
 974config GPIO_GW_PLD
 975	tristate "Gateworks PLD GPIO Expander"
 976	depends on OF_GPIO
 977	help
 978	  Say yes here to provide access to the Gateworks I2C PLD GPIO
 979	  Expander. This is used at least on the Cambria GW2358-4.
 980
 981config GPIO_MAX7300
 982	tristate "Maxim MAX7300 GPIO expander"
 983	select GPIO_MAX730X
 984	help
 985	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
 986
 987config GPIO_MAX732X
 988	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 989	help
 990	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
 991	  Port Expanders. Each IO port on these chips has a fixed role of
 992	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
 993	  Input and Output (designed by 'P'). The combinations are listed
 994	  below:
 995
 996	  8 bits:       max7319 (8I), max7320 (8O), max7321 (8P),
 997	                max7322 (4I4O), max7323 (4P4O)
 998
 999	  16 bits:      max7324 (8I8O), max7325 (8P8O),
1000	                max7326 (4I12O), max7327 (4P12O)
1001
1002	  Board setup code must specify the model to use, and the start
1003	  number for these GPIOs.
1004
1005config GPIO_MAX732X_IRQ
1006	bool "Interrupt controller support for MAX732x"
1007	depends on GPIO_MAX732X=y
1008	select GPIOLIB_IRQCHIP
1009	help
1010	  Say yes here to enable the max732x to be used as an interrupt
1011	  controller. It requires the driver to be built in the kernel.
1012
1013config GPIO_MC9S08DZ60
1014	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
1015	depends on I2C=y && MACH_MX35_3DS
1016	help
1017	  Select this to enable the MC9S08DZ60 GPIO driver
1018
1019config GPIO_PCA953X
1020	tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
1021	select REGMAP_I2C
1022	help
1023	  Say yes here to provide access to several register-oriented
1024	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
1025	  models include:
1026
1027	  4 bits:       pca9536, pca9537
1028
1029	  8 bits:       max7310, max7315, pca6107, pca9534, pca9538, pca9554,
1030	                pca9556, pca9557, pca9574, tca6408, tca9554, xra1202
1031
1032	  16 bits:      max7312, max7313, pca9535, pca9539, pca9555, pca9575,
1033	                tca6416
1034
1035	  24 bits:      tca6424
1036
1037	  40 bits:      pca9505, pca9698
1038
1039config GPIO_PCA953X_IRQ
1040	bool "Interrupt controller support for PCA953x"
1041	depends on GPIO_PCA953X
1042	select GPIOLIB_IRQCHIP
1043	help
1044	  Say yes here to enable the pca953x to be used as an interrupt
1045	  controller. It requires the driver to be built in the kernel.
1046
1047config GPIO_PCA9570
1048	tristate "PCA9570 4-Bit I2C GPO expander"
1049	help
1050	  Say yes here to enable the GPO driver for the NXP PCA9570 chip.
1051
1052	  To compile this driver as a module, choose M here: the module will
1053	  be called gpio-pca9570.
1054
1055config GPIO_PCF857X
1056	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
1057	select GPIOLIB_IRQCHIP
1058	select IRQ_DOMAIN
1059	help
1060	  Say yes here to provide access to most "quasi-bidirectional" I2C
1061	  GPIO expanders used for additional digital outputs or inputs.
1062	  Most of these parts are from NXP, though TI is a second source for
1063	  some of them.  Compatible models include:
1064
1065	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
1066	            pca9670, pca9672, pca9674, pca9674a,
1067	            max7328, max7329
1068
1069	  16 bits:  pcf8575, pcf8575c, pca8575,
1070	            pca9671, pca9673, pca9675
1071
1072	  Your board setup code will need to declare the expanders in
1073	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
1074	  can then be used from drivers and other kernel code, just like
1075	  other GPIOs, but only accessible from task contexts.
1076
1077	  This driver provides an in-kernel interface to those GPIOs using
1078	  platform-neutral GPIO calls.
1079
 
 
 
 
 
 
 
 
 
1080config GPIO_TPIC2810
1081	tristate "TPIC2810 8-Bit I2C GPO expander"
1082	help
1083	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
1084
1085	  To compile this driver as a module, choose M here: the module will
1086	  be called gpio-tpic2810.
1087
1088config GPIO_TS4900
1089	tristate "Technologic Systems FPGA I2C GPIO"
1090	depends on SOC_IMX6 || COMPILE_TEST
1091	select REGMAP_I2C
1092	help
1093	  Say yes here to enabled the GPIO driver for Technologic's FPGA core.
1094	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
1095
1096endmenu
1097
1098menu "MFD GPIO expanders"
1099
1100config GPIO_ADP5520
1101	tristate "GPIO Support for ADP5520 PMIC"
1102	depends on PMIC_ADP5520
1103	help
1104	  This option enables support for on-chip GPIO found
1105	  on Analog Devices ADP5520 PMICs.
1106
1107config GPIO_ALTERA_A10SR
1108	tristate "Altera Arria10 System Resource GPIO"
1109	depends on MFD_ALTERA_A10SR
1110	help
1111	  Driver for Arria10 Development Kit GPIO expansion which
1112	  includes reads of pushbuttons and DIP switches as well
1113	  as writes to LEDs.
1114
1115config GPIO_ARIZONA
1116	tristate "Wolfson Microelectronics Arizona class devices"
1117	depends on MFD_ARIZONA
1118	help
1119	  Support for GPIOs on Wolfson Arizona class devices.
1120
1121config GPIO_BD70528
1122	tristate "ROHM BD70528 GPIO support"
1123	depends on MFD_ROHM_BD70528
1124	help
1125	  Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs
1126	  available on the ROHM PMIC in total. The GPIOs can also
1127	  generate interrupts.
1128
1129	  This driver can also be built as a module. If so, the module
1130	  will be called gpio-bd70528.
1131
1132config GPIO_BD71815
1133	tristate "ROHM BD71815 PMIC GPIO support"
1134	depends on MFD_ROHM_BD71828
1135	help
1136	  Support for GPO(s) on ROHM BD71815 PMIC. There are two GPOs
1137	  available on the ROHM PMIC.
1138
1139	  This driver can also be built as a module. If so, the module
1140	  will be called gpio-bd71815.
1141
1142config GPIO_BD71828
1143	tristate "ROHM BD71828 GPIO support"
1144	depends on MFD_ROHM_BD71828
1145	help
1146	  Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1147	  available on the ROHM PMIC in total. The GPIOs are limited to
1148	  outputs only and pins must be configured to GPIO outputs by
1149	  OTP. Enable this only if you want to use these pins as outputs.
1150
1151	  This driver can also be built as a module. If so, the module
1152	  will be called gpio-bd71828.
1153
1154config GPIO_BD9571MWV
1155	tristate "ROHM BD9571 GPIO support"
1156	depends on MFD_BD9571MWV
1157	help
1158	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
1159	  available on the ROHM PMIC in total, both of which can also
1160	  generate interrupts.
1161
1162	  This driver can also be built as a module. If so, the module
1163	  will be called gpio-bd9571mwv.
1164
1165config GPIO_CRYSTAL_COVE
1166	tristate "GPIO support for Crystal Cove PMIC"
1167	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
1168	select GPIOLIB_IRQCHIP
1169	help
1170	  Support for GPIO pins on Crystal Cove PMIC.
1171
1172	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
1173	  inside.
1174
1175	  This driver can also be built as a module. If so, the module will be
1176	  called gpio-crystalcove.
1177
1178config GPIO_CS5535
1179	tristate "AMD CS5535/CS5536 GPIO support"
1180	depends on X86 || MIPS || COMPILE_TEST
1181	depends on MFD_CS5535
1182	help
1183	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
1184	  can be used for quite a number of things.  The CS5535/6 is found on
1185	  AMD Geode and Lemote Yeeloong devices.
1186
1187	  If unsure, say N.
1188
1189config GPIO_DA9052
1190	tristate "Dialog DA9052 GPIO"
1191	depends on PMIC_DA9052
1192	help
1193	  Say yes here to enable the GPIO driver for the DA9052 chip.
1194
1195config GPIO_DA9055
1196	tristate "Dialog Semiconductor DA9055 GPIO"
1197	depends on MFD_DA9055
1198	help
1199	  Say yes here to enable the GPIO driver for the DA9055 chip.
1200
1201	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
1202	  be controller by this driver.
1203
1204	  If driver is built as a module it will be called gpio-da9055.
1205
1206config GPIO_DLN2
1207	tristate "Diolan DLN2 GPIO support"
1208	depends on MFD_DLN2
1209	select GPIOLIB_IRQCHIP
1210
1211	help
1212	  Select this option to enable GPIO driver for the Diolan DLN2
1213	  board.
1214
1215	  This driver can also be built as a module. If so, the module
1216	  will be called gpio-dln2.
1217
1218config HTC_EGPIO
1219	bool "HTC EGPIO support"
1220	depends on ARM
1221	help
1222	  This driver supports the CPLD egpio chip present on
1223	  several HTC phones.  It provides basic support for input
1224	  pins, output pins, and irqs.
1225
1226config GPIO_JANZ_TTL
1227	tristate "Janz VMOD-TTL Digital IO Module"
1228	depends on MFD_JANZ_CMODIO
1229	help
1230	  This enables support for the Janz VMOD-TTL Digital IO module.
1231	  This driver provides support for driving the pins in output
1232	  mode only. Input mode is not supported.
1233
1234config GPIO_KEMPLD
1235	tristate "Kontron ETX / COMexpress GPIO"
1236	depends on MFD_KEMPLD
1237	help
1238	  This enables support for the PLD GPIO interface on some Kontron ETX
1239	  and COMexpress (ETXexpress) modules.
1240
1241	  This driver can also be built as a module. If so, the module will be
1242	  called gpio-kempld.
1243
1244config GPIO_LP3943
1245	tristate "TI/National Semiconductor LP3943 GPIO expander"
1246	depends on MFD_LP3943
1247	help
1248	  GPIO driver for LP3943 MFD.
1249	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1250	  Open drain outputs are required for this usage.
1251
1252config GPIO_LP873X
1253	tristate "TI LP873X GPO"
1254	depends on MFD_TI_LP873X
1255	help
1256	  This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
1257	  on LP873X PMICs.
1258
1259	  This driver can also be built as a module. If so, the module will be
1260	  called gpio-lp873x.
1261
1262config GPIO_LP87565
1263	tristate "TI LP87565 GPIO"
1264	depends on MFD_TI_LP87565
1265	help
1266	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1267	  on LP87565 PMICs.
1268
1269	  This driver can also be built as a module. If so, the module will be
1270	  called gpio-lp87565.
1271
1272config GPIO_MADERA
1273	tristate "Cirrus Logic Madera class codecs"
1274	depends on PINCTRL_MADERA
1275	help
1276	  Support for GPIOs on Cirrus Logic Madera class codecs.
1277
1278config GPIO_MAX77620
1279	tristate "GPIO support for PMIC MAX77620 and MAX20024"
1280	depends on MFD_MAX77620
1281	select GPIOLIB_IRQCHIP
1282	help
1283	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
1284	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1285	  driver also provides interrupt support for each of the gpios.
1286	  Say yes here to enable the max77620 to be used as gpio controller.
1287
1288config GPIO_MAX77650
1289	tristate "Maxim MAX77650/77651 GPIO support"
1290	depends on MFD_MAX77650
1291	help
1292	  GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor.
1293	  These chips have a single pin that can be configured as GPIO.
1294
1295config GPIO_PALMAS
1296	bool "TI PALMAS series PMICs GPIO"
1297	depends on MFD_PALMAS
1298	help
1299	  Select this option to enable GPIO driver for the TI PALMAS
1300	  series chip family.
1301
1302config GPIO_RC5T583
1303	bool "RICOH RC5T583 GPIO"
1304	depends on MFD_RC5T583
1305	help
1306	  Select this option to enable GPIO driver for the Ricoh RC5T583
1307	  chip family.
1308	  This driver provides the support for driving/reading the gpio pins
1309	  of RC5T583 device through standard gpio library.
1310
1311config GPIO_SL28CPLD
1312	tristate "Kontron sl28cpld GPIO support"
1313	depends on MFD_SL28CPLD || COMPILE_TEST
1314	select GPIO_REGMAP
1315	select GPIOLIB_IRQCHIP
1316	select REGMAP_IRQ
1317	help
1318	  This enables support for the GPIOs found on the Kontron sl28 CPLD.
1319
1320	  This driver can also be built as a module. If so, the module will be
1321	  called gpio-sl28cpld.
1322
1323config GPIO_STMPE
1324	bool "STMPE GPIOs"
1325	depends on MFD_STMPE
1326	depends on OF_GPIO
1327	select GPIOLIB_IRQCHIP
1328	help
1329	  This enables support for the GPIOs found on the STMPE I/O
1330	  Expanders.
1331
1332config GPIO_TC3589X
1333	bool "TC3589X GPIOs"
1334	depends on MFD_TC3589X
1335	depends on OF_GPIO
1336	select GPIOLIB_IRQCHIP
1337	help
1338	  This enables support for the GPIOs found on the TC3589X
1339	  I/O Expander.
1340
1341config GPIO_TIMBERDALE
1342	bool "Support for timberdale GPIO IP"
1343	depends on MFD_TIMBERDALE
1344	help
1345	Add support for the GPIO IP in the timberdale FPGA.
1346
1347config GPIO_TPS65086
1348	tristate "TI TPS65086 GPO"
1349	depends on MFD_TPS65086
1350	help
1351	  This driver supports the GPO on TI TPS65086x PMICs.
1352
1353config GPIO_TPS65218
1354	tristate "TPS65218 GPIO"
1355	depends on MFD_TPS65218
1356	help
1357	  Select this option to enable GPIO driver for the TPS65218
1358	  chip family.
1359
1360config GPIO_TPS6586X
1361	bool "TPS6586X GPIO"
1362	depends on MFD_TPS6586X
1363	help
1364	  Select this option to enable GPIO driver for the TPS6586X
1365	  chip family.
1366
1367config GPIO_TPS65910
1368	bool "TPS65910 GPIO"
1369	depends on MFD_TPS65910
1370	help
1371	  Select this option to enable GPIO driver for the TPS65910
1372	  chip family.
1373
1374config GPIO_TPS65912
1375	tristate "TI TPS65912 GPIO"
1376	depends on MFD_TPS65912
1377	help
1378	  This driver supports TPS65912 gpio chip
1379
1380config GPIO_TPS68470
1381	bool "TPS68470 GPIO"
1382	depends on INTEL_SKL_INT3472
1383	help
1384	  Select this option to enable GPIO driver for the TPS68470
1385	  chip family.
1386	  There are 7 GPIOs and few sensor related GPIOs supported
1387	  by the TPS68470. While the 7 GPIOs can be configured as
1388	  input or output as appropriate, the sensor related GPIOs
1389	  are "output only" GPIOs.
1390
1391	  This driver config is bool, as the GPIO functionality
1392	  of the TPS68470 must be available before dependent
1393	  drivers are loaded.
1394
1395config GPIO_TQMX86
1396	tristate "TQ-Systems QTMX86 GPIO"
1397	depends on MFD_TQMX86 || COMPILE_TEST
1398	depends on HAS_IOPORT_MAP
1399	select GPIOLIB_IRQCHIP
1400	help
1401	  This driver supports GPIO on the TQMX86 IO controller.
1402
1403config GPIO_TWL4030
1404	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1405	depends on TWL4030_CORE
1406	help
1407	  Say yes here to access the GPIO signals of various multi-function
1408	  power management chips from Texas Instruments.
1409
1410config GPIO_TWL6040
1411	tristate "TWL6040 GPO"
1412	depends on TWL6040_CORE
1413	help
1414	  Say yes here to access the GPO signals of twl6040
1415	  audio chip from Texas Instruments.
1416
1417config GPIO_UCB1400
1418	tristate "Philips UCB1400 GPIO"
1419	depends on UCB1400_CORE
1420	help
1421	  This enables support for the Philips UCB1400 GPIO pins.
1422	  The UCB1400 is an AC97 audio codec.
1423
1424config GPIO_WHISKEY_COVE
1425	tristate "GPIO support for Whiskey Cove PMIC"
1426	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC
1427	select GPIOLIB_IRQCHIP
1428	help
1429	  Support for GPIO pins on Whiskey Cove PMIC.
1430
1431	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
1432	  inside.
1433
1434	  This driver can also be built as a module. If so, the module will be
1435	  called gpio-wcove.
1436
1437config GPIO_WM831X
1438	tristate "WM831x GPIOs"
1439	depends on MFD_WM831X
1440	help
1441	  Say yes here to access the GPIO signals of WM831x power management
1442	  chips from Wolfson Microelectronics.
1443
1444config GPIO_WM8350
1445	tristate "WM8350 GPIOs"
1446	depends on MFD_WM8350
1447	help
1448	  Say yes here to access the GPIO signals of WM8350 power management
1449	  chips from Wolfson Microelectronics.
1450
1451config GPIO_WM8994
1452	tristate "WM8994 GPIOs"
1453	depends on MFD_WM8994
1454	help
1455	  Say yes here to access the GPIO signals of WM8994 audio hub
1456	  CODECs from Wolfson Microelectronics.
1457
1458endmenu
1459
1460menu "PCI GPIO expanders"
1461	depends on PCI
1462
1463config GPIO_AMD8111
1464	tristate "AMD 8111 GPIO driver"
1465	depends on X86 || COMPILE_TEST
1466	depends on HAS_IOPORT_MAP
1467	help
1468	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
1469
1470	  Note, that usually system firmware/ACPI handles GPIO pins on their
1471	  own and users might easily break their systems with uncarefull usage
1472	  of this driver!
1473
1474	  If unsure, say N
1475
1476config GPIO_BT8XX
1477	tristate "BT8XX GPIO abuser"
1478	depends on VIDEO_BT848=n
1479	help
1480	  The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1481	  as a cheap PCI GPIO card.
1482
1483	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1484
1485	  The card needs to be physically altered for using it as a
1486	  GPIO card. For more information on how to build a GPIO card
1487	  from a BT8xx TV card, see the documentation file at
1488	  Documentation/driver-api/gpio/bt8xxgpio.rst
1489
1490	  If unsure, say N.
1491
 
 
 
 
 
 
 
1492config GPIO_MERRIFIELD
1493	tristate "Intel Merrifield GPIO support"
1494	depends on X86_INTEL_MID
1495	select GPIOLIB_IRQCHIP
1496	help
1497	  Say Y here to support Intel Merrifield GPIO.
1498
1499config GPIO_MLXBF
1500	tristate "Mellanox BlueField SoC GPIO"
1501	depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST)
1502	select GPIO_GENERIC
1503	help
1504	  Say Y here if you want GPIO support on Mellanox BlueField SoC.
1505
1506config GPIO_MLXBF2
1507	tristate "Mellanox BlueField 2 SoC GPIO"
1508	depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST)
1509	select GPIO_GENERIC
1510	help
1511	  Say Y here if you want GPIO support on Mellanox BlueField 2 SoC.
1512
1513config GPIO_ML_IOH
1514	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
1515	depends on X86 || COMPILE_TEST
1516	select GENERIC_IRQ_CHIP
1517	help
1518	  ML7213 is companion chip for Intel Atom E6xx series.
1519	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
1520	  Hub) which is for IVI(In-Vehicle Infotainment) use.
1521	  This driver can access the IOH's GPIO device.
1522
1523config GPIO_PCH
1524	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
1525	depends on X86_32 || MIPS || COMPILE_TEST
1526	select GENERIC_IRQ_CHIP
1527	help
1528	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
1529	  which is an IOH(Input/Output Hub) for x86 embedded processor.
1530	  This driver can access PCH GPIO device.
1531
1532	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1533	  Output Hub), ML7223 and ML7831.
1534	  ML7223 IOH is for MP(Media Phone) use.
1535	  ML7831 IOH is for general purpose use.
1536	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1537	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1538
1539config GPIO_PCI_IDIO_16
1540	tristate "ACCES PCI-IDIO-16 GPIO support"
1541	select GPIOLIB_IRQCHIP
1542	help
1543	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1544	  generated when any of the inputs change state (low to high or high to
1545	  low). Input filter control is not supported by this driver, and the
1546	  input filters are deactivated by this driver.
1547
1548config GPIO_PCIE_IDIO_24
1549	tristate "ACCES PCIe-IDIO-24 GPIO support"
1550	select GPIOLIB_IRQCHIP
1551	help
1552	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1553	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1554	  when any of the inputs change state (low to high or high to low).
1555	  Input filter control is not supported by this driver, and the input
1556	  filters are deactivated by this driver.
1557
1558config GPIO_RDC321X
1559	tristate "RDC R-321x GPIO support"
1560	select MFD_CORE
1561	select MFD_RDC321X
1562	help
1563	  Support for the RDC R321x SoC GPIOs over southbridge
1564	  PCI configuration space.
1565
1566config GPIO_SODAVILLE
1567	bool "Intel Sodaville GPIO support"
1568	depends on X86 && OF
1569	select GPIO_GENERIC
1570	select GENERIC_IRQ_CHIP
1571	help
1572	  Say Y here to support Intel Sodaville GPIO.
1573
1574endmenu
1575
1576menu "SPI GPIO expanders"
1577	depends on SPI_MASTER
1578
1579config GPIO_74X164
1580	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1581	depends on OF_GPIO
1582	help
1583	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1584	  shift registers. This driver can be used to provide access
1585	  to more gpio outputs.
1586
1587config GPIO_MAX3191X
1588	tristate "Maxim MAX3191x industrial serializer"
1589	select CRC8
1590	help
1591	  GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913,
1592	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1593	  chip to make 8 digital 24V inputs available via SPI.  Supports
1594	  CRC checksums to guard against electromagnetic interference,
1595	  as well as undervoltage and overtemperature detection.
1596
1597config GPIO_MAX7301
1598	tristate "Maxim MAX7301 GPIO expander"
1599	select GPIO_MAX730X
1600	help
1601	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1602
1603config GPIO_MC33880
1604	tristate "Freescale MC33880 high-side/low-side switch"
1605	help
1606	  SPI driver for Freescale MC33880 high-side/low-side switch.
1607	  This provides GPIO interface supporting inputs and outputs.
1608
1609config GPIO_PISOSR
1610	tristate "Generic parallel-in/serial-out shift register"
1611	help
1612	  GPIO driver for SPI compatible parallel-in/serial-out shift
1613	  registers. These are input only devices.
1614
1615config GPIO_XRA1403
1616	tristate "EXAR XRA1403 16-bit GPIO expander"
1617	select REGMAP_SPI
1618	help
1619	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
1620
1621config GPIO_MOXTET
1622	tristate "Turris Mox Moxtet bus GPIO expander"
1623	depends on MOXTET
1624	help
1625	  Say yes here if you are building for the Turris Mox router.
1626	  This is the driver needed for configuring the GPIOs via the Moxtet
1627	  bus. For example the Mox module with SFP cage needs this driver
1628	  so that phylink can use corresponding GPIOs.
1629
1630endmenu
1631
1632menu "USB GPIO expanders"
1633	depends on USB
1634
1635config GPIO_VIPERBOARD
1636	tristate "Viperboard GPIO a & b support"
1637	depends on MFD_VIPERBOARD
1638	help
1639	  Say yes here to access the GPIO signals of Nano River
1640	  Technologies Viperboard. There are two GPIO chips on the
1641	  board: gpioa and gpiob.
1642	  See viperboard API specification and Nano
1643	  River Tech's viperboard.h for detailed meaning
1644	  of the module parameters.
1645
1646endmenu
1647
1648menu "Virtual GPIO drivers"
1649
1650config GPIO_AGGREGATOR
1651	tristate "GPIO Aggregator"
1652	help
1653	  Say yes here to enable the GPIO Aggregator, which provides a way to
1654	  aggregate existing GPIO lines into a new virtual GPIO chip.
1655	  This can serve the following purposes:
1656	    - Assign permissions for a collection of GPIO lines to a user,
1657	    - Export a collection of GPIO lines to a virtual machine,
1658	    - Provide a generic driver for a GPIO-operated device in an
1659	      industrial control context, to be operated from userspace using
1660	      the GPIO chardev interface.
1661
1662config GPIO_MOCKUP
1663	tristate "GPIO Testing Driver"
1664	select IRQ_SIM
1665	help
1666	  This enables GPIO Testing driver, which provides a way to test GPIO
1667	  subsystem through sysfs (or char device) and debugfs.
1668	  User could use it through the script in
1669	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
1670	  it.
1671
1672endmenu
1673
1674endif