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ec8f24b7 1# SPDX-License-Identifier: GPL-2.0-only
a9c5fff5 2#
e849dc04 3# GPIO infrastructure and drivers
a9c5fff5
DB
4#
5
7563bbf8
MB
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
7444a72e
MB
14menuconfig GPIOLIB
15 bool "GPIO Support"
7444a72e
MB
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
e849dc04 19 one or more of the GPIO drivers below.
7444a72e
MB
20
21 If unsure, say N.
a9c5fff5 22
7444a72e 23if GPIOLIB
a9c5fff5 24
3027743f
LA
25config GPIOLIB_FASTPATH_LIMIT
26 int "Maximum number of GPIOs for fast path"
27 range 32 512
28 default 512
29 help
c42e34c9
EWI
30 This adjusts the point at which certain APIs will switch from
31 using a stack allocated buffer to a dynamically allocated buffer.
3027743f 32
c42e34c9
EWI
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.
3027743f 36
f141ed65
GL
37config OF_GPIO
38 def_bool y
92c74bce 39 depends on OF
2527ecc9 40 depends on HAS_IOMEM
f141ed65 41
e29482e8
MN
42config GPIO_ACPI
43 def_bool y
44 depends on ACPI
45
14250520 46config GPIOLIB_IRQCHIP
fc346270 47 select IRQ_DOMAIN
14250520
LW
48 bool
49
a9c5fff5
DB
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.
692105b8
ML
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
a9c5fff5
DB
58 slower. The diagnostics help catch the type of setup errors
59 that are most common when setting up new platforms or boards.
60
d8f388d8
DB
61config GPIO_SYSFS
62 bool "/sys/class/gpio/... (sysfs interface)"
4c0ea233 63 depends on SYSFS
d8f388d8 64 help
db9477f8 65 Say Y here to add the legacy sysfs interface for GPIOs.
d8f388d8 66
db9477f8
LW
67 This ABI is deprecated. If you want to use GPIO from userspace,
68 use the character device /dev/gpiochipN with the appropriate
69 ioctl() operations instead. The character device is always
70 available.
d8f388d8 71
c103de24 72config GPIO_GENERIC
3085a4a4 73 depends on HAS_IOMEM # Only for IOMEM drivers
c103de24
GL
74 tristate
75
e849dc04 76# put drivers in the right section, in alphabetical order
a9c5fff5 77
177b0381 78# This symbol is selected by both I2C and SPI expanders
e952805d
WS
79config GPIO_MAX730X
80 tristate
81
177b0381 82menu "Memory mapped GPIO drivers"
3085a4a4 83 depends on HAS_IOMEM
0bcb6069 84
af0a33e2
AS
85config GPIO_74XX_MMIO
86 tristate "GPIO driver for 74xx-ICs with MMIO access"
87 depends on OF_GPIO
88 select GPIO_GENERIC
89 help
90 Say yes here to support GPIO functionality for 74xx-compatible ICs
91 with MMIO access. Compatible models include:
92 1 bit: 741G125 (Input), 741G74 (Output)
93 2 bits: 742G125 (Input), 7474 (Output)
94 4 bits: 74125 (Input), 74175 (Output)
95 6 bits: 74365 (Input), 74174 (Output)
96 8 bits: 74244 (Input), 74273 (Output)
97 16 bits: 741624 (Input), 7416374 (Output)
98
223fa272
LW
99config GPIO_ALTERA
100 tristate "Altera GPIO"
101 depends on OF_GPIO
223fa272
LW
102 select GPIOLIB_IRQCHIP
103 help
104 Say Y or M here to build support for the Altera PIO device.
105
106 If driver is built as a module it will be called gpio-altera.
107
6057d40f
YT
108config GPIO_AMDPT
109 tristate "AMD Promontory GPIO support"
110 depends on ACPI
574b782e 111 select GPIO_GENERIC
6057d40f
YT
112 help
113 driver for GPIO functionality on Promontory IOHub
114 Require ACPI ASL code to enumerate as a platform device.
115
361b7911
JS
116config GPIO_ASPEED
117 tristate "Aspeed GPIO support"
118 depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
119 select GPIOLIB_IRQCHIP
120 help
121 Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
122
f8b410e3
LW
123config GPIO_ASPEED_SGPIO
124 bool "Aspeed SGPIO support"
125 depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
126 select GPIO_GENERIC
127 select GPIOLIB_IRQCHIP
128 help
129 Say Y here to support Aspeed AST2500 SGPIO functionality.
130
ab32770e
AB
131config GPIO_ATH79
132 tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
133 default y if ATH79
409d8783 134 depends on ATH79 || COMPILE_TEST
ab32770e 135 select GPIO_GENERIC
2b8f89e1 136 select GPIOLIB_IRQCHIP
ab32770e
AB
137 help
138 Select this option to enable GPIO driver for
139 Atheros AR71XX/AR724X/AR913X SoC devices.
140
a98d90e7
DS
141config GPIO_RASPBERRYPI_EXP
142 tristate "Raspberry Pi 3 GPIO Expander"
143 default RASPBERRYPI_FIRMWARE
144 depends on OF_GPIO
94337b72
BS
145 # Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
146 # happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
7ed91505 147 depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
a98d90e7
DS
148 help
149 Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
150 the firmware mailbox to communicate with VideoCore on BCM283x chips.
151
ea948cff
LW
152config GPIO_BCM_KONA
153 bool "Broadcom Kona GPIO"
154 depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
155 help
156 Turn on GPIO support for Broadcom "Kona" chips.
157
6a41b6c5
CP
158config GPIO_BCM_XGS_IPROC
159 tristate "BRCM XGS iProc GPIO support"
160 depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST)
161 select GPIO_GENERIC
162 select GPIOLIB_IRQCHIP
163 default ARCH_BCM_IPROC
164 help
165 Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
166
3b0213d5
GF
167config GPIO_BRCMSTB
168 tristate "BRCMSTB GPIO support"
a02588a0
FF
169 default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
170 depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
3b0213d5 171 select GPIO_GENERIC
0ba31dc2 172 select IRQ_DOMAIN
3b0213d5
GF
173 help
174 Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
175
72ab2f76
JK
176config GPIO_CADENCE
177 tristate "Cadence GPIO support"
178 depends on OF_GPIO
179 select GPIO_GENERIC
180 select GPIOLIB_IRQCHIP
181 help
182 Say yes here to enable support for Cadence GPIO controller.
183
a3b8d4a5 184config GPIO_CLPS711X
55fe14ab 185 tristate "CLPS711X GPIO support"
ffd4bf1a 186 depends on ARCH_CLPS711X || COMPILE_TEST
55fe14ab
AS
187 select GPIO_GENERIC
188 help
189 Say yes here to support GPIO on CLPS711X SoCs.
a3b8d4a5 190
ee89cf63
GS
191config GPIO_DAVINCI
192 bool "TI Davinci/Keystone GPIO support"
193 default y if ARCH_DAVINCI
6eeea326 194 depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)
ee89cf63
GS
195 help
196 Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
197
7779b345
JI
198config GPIO_DWAPB
199 tristate "Synopsys DesignWare APB GPIO driver"
200 select GPIO_GENERIC
201 select GENERIC_IRQ_CHIP
7779b345
JI
202 help
203 Say Y or M here to build support for the Synopsys DesignWare APB
204 GPIO block.
205
25518e02
BW
206config GPIO_EIC_SPRD
207 tristate "Spreadtrum EIC support"
208 depends on ARCH_SPRD || COMPILE_TEST
209 depends on OF_GPIO
210 select GPIOLIB_IRQCHIP
211 help
212 Say yes here to support Spreadtrum EIC device.
213
a07e103e
MD
214config GPIO_EM
215 tristate "Emma Mobile GPIO"
22eaf13c 216 depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
a07e103e
MD
217 help
218 Say yes here to support GPIO on Renesas Emma Mobile SoCs.
219
c6b52c13
HS
220config GPIO_EP93XX
221 def_bool y
222 depends on ARCH_EP93XX
1e4c8842 223 select GPIO_GENERIC
a419a3d9 224 select GPIOLIB_IRQCHIP
c6b52c13 225
6596e59e
SM
226config GPIO_EXAR
227 tristate "Support for GPIO pins on XR17V352/354/358"
228 depends on SERIAL_8250_EXAR
229 help
230 Selecting this option will enable handling of GPIO pins present
231 on Exar XR17V352/354/358 chips.
232
223fa272
LW
233config GPIO_GE_FPGA
234 bool "GE FPGA based GPIO"
235 depends on GE_FPGA
236 select GPIO_GENERIC
237 help
238 Support for common GPIO functionality provided on some GE Single Board
239 Computers.
240
241 This driver provides basic support (configure as input or output, read
242 and write pin state) for GPIO implemented in a number of GE single
243 board computers.
244
9d3a15aa
LW
245config GPIO_FTGPIO010
246 bool "Faraday FTGPIO010 GPIO"
49cec4d8
LW
247 depends on OF_GPIO
248 select GPIO_GENERIC
249 select GPIOLIB_IRQCHIP
d8307c09 250 default (ARCH_GEMINI || ARCH_MOXART)
49cec4d8 251 help
9d3a15aa
LW
252 Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
253 Cortina systems Gemini platforms, Moxa ART and others.
49cec4d8 254
223fa272
LW
255config GPIO_GENERIC_PLATFORM
256 tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
257 select GPIO_GENERIC
258 help
259 Say yes here to support basic platform_device memory-mapped GPIO controllers.
260
261config GPIO_GRGPIO
262 tristate "Aeroflex Gaisler GRGPIO support"
048c28c9 263 depends on OF_GPIO
223fa272
LW
264 select GPIO_GENERIC
265 select IRQ_DOMAIN
266 help
267 Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
268 VHDL IP core library.
269
8f55fed3
JN
270config GPIO_HLWD
271 tristate "Nintendo Wii (Hollywood) GPIO"
272 depends on OF_GPIO
273 select GPIO_GENERIC
588de43c 274 select GPIOLIB_IRQCHIP
8f55fed3
JN
275 help
276 Select this to support the GPIO controller of the Nintendo Wii.
277
278 If unsure, say N.
279
223fa272
LW
280config GPIO_ICH
281 tristate "Intel ICH GPIO"
282 depends on PCI && X86
283 select MFD_CORE
284 select LPC_ICH
285 help
286 Say yes here to support the GPIO functionality of a number of Intel
287 ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
288 ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
289 Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
290
291 If unsure, say N.
292
293config GPIO_IOP
294 tristate "Intel IOP GPIO"
59d3ae9a 295 depends on ARCH_IOP32X || COMPILE_TEST
6d125412 296 select GPIO_GENERIC
223fa272
LW
297 help
298 Say yes here to support the GPIO functionality of a number of Intel
299 IOP32X or IOP33X.
300
301 If unsure, say N.
302
813e7d36
LW
303config GPIO_IXP4XX
304 bool "Intel IXP4xx GPIO"
305 depends on ARM # For <asm/mach-types.h>
306 depends on ARCH_IXP4XX
307 select GPIO_GENERIC
aa7d618a 308 select GPIOLIB_IRQCHIP
813e7d36
LW
309 select IRQ_DOMAIN_HIERARCHY
310 help
311 Say yes here to support the GPIO functionality of a number of Intel
312 IXP4xx series of chips.
313
314 If unsure, say N.
c16485ad
PK
315config GPIO_LOGICVC
316 tristate "Xylon LogiCVC GPIO support"
317 depends on MFD_SYSCON && OF
318 help
319 Say yes here to support GPIO functionality of the Xylon LogiCVC
320 programmable logic block.
813e7d36 321
223fa272
LW
322config GPIO_LOONGSON
323 bool "Loongson-2/3 GPIO support"
268a2d60 324 depends on CPU_LOONGSON2EF || CPU_LOONGSON64
223fa272
LW
325 help
326 driver for GPIO functionality on Loongson-2F/3A/3B processors.
327
13a43fd9 328config GPIO_LPC18XX
54b72998 329 tristate "NXP LPC18XX/43XX GPIO support"
13a43fd9
JE
330 default y if ARCH_LPC18XX
331 depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
5ddabfe8 332 select IRQ_DOMAIN_HIERARCHY
13a43fd9
JE
333 help
334 Select this option to enable GPIO driver for
335 NXP LPC18XX/43XX devices.
336
f2ee7314
AB
337config GPIO_LPC32XX
338 tristate "NXP LPC32XX GPIO support"
339 depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST)
340 help
341 Select this option to enable GPIO driver for
342 NXP LPC32XX devices.
343
0da094d8 344config GPIO_MB86S7X
e1289dba 345 tristate "GPIO support for Fujitsu MB86S7x Platforms"
0da094d8
JB
346 help
347 Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
348
f436bc27
AW
349config GPIO_MENZ127
350 tristate "MEN 16Z127 GPIO support"
351 depends on MCB
352 select GPIO_GENERIC
353 help
c42e34c9 354 Say yes here to support the MEN 16Z127 GPIO Controller
f436bc27 355
223fa272
LW
356config GPIO_MM_LANTIQ
357 bool "Lantiq Memory mapped GPIOs"
358 depends on LANTIQ && SOC_XWAY
359 help
360 This enables support for memory mapped GPIOs on the External Bus Unit
361 (EBU) found on Lantiq SoCs. The gpios are output only as they are
362 created by attaching a 16bit latch to the bus.
363
6eae1ace
GL
364config GPIO_MPC5200
365 def_bool y
366 depends on PPC_MPC52xx
367
c68308dd 368config GPIO_MPC8XXX
5df7fd46 369 bool "MPC512x/MPC8xxx/QorIQ GPIO support"
c68308dd 370 depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
5df7fd46
LG
371 FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
372 COMPILE_TEST
373 select GPIO_GENERIC
a8fa91a7 374 select IRQ_DOMAIN
c68308dd
WS
375 help
376 Say Y here if you're going to use hardware that connects to the
5df7fd46 377 MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
c68308dd 378
4ba9c3af
SP
379config GPIO_MT7621
380 bool "Mediatek MT7621 GPIO Support"
381 depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST
7a9a5df0 382 depends on OF_GPIO
4ba9c3af
SP
383 select GPIO_GENERIC
384 select GPIOLIB_IRQCHIP
385 help
386 Say yes here to support the Mediatek MT7621 SoC GPIO device
387
fefe7b09
TP
388config GPIO_MVEBU
389 def_bool y
3b4c94bb 390 depends on PLAT_ORION || ARCH_MVEBU
048c28c9 391 depends on OF_GPIO
fefe7b09 392 select GENERIC_IRQ_CHIP
f37e335f 393 select REGMAP_MMIO
fefe7b09 394
d37a65bb
SG
395config GPIO_MXC
396 def_bool y
397 depends on ARCH_MXC
c103de24 398 select GPIO_GENERIC
e4ea9333 399 select GENERIC_IRQ_CHIP
c103de24
GL
400
401config GPIO_MXS
402 def_bool y
403 depends on ARCH_MXS
06f88a8a 404 select GPIO_GENERIC
498c17cf 405 select GENERIC_IRQ_CHIP
d37a65bb 406
aca58a66
DD
407config GPIO_OCTEON
408 tristate "Cavium OCTEON GPIO"
409 depends on GPIOLIB && CAVIUM_OCTEON_SOC
410 default y
411 help
412 Say yes here to support the on-chip GPIO lines on the OCTEON
413 family of SOCs.
414
cd0a3748 415config GPIO_OMAP
cac089f9 416 tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
cd0a3748 417 default y if ARCH_OMAP
9d5d96ef
AB
418 depends on ARM
419 select GENERIC_IRQ_CHIP
fb655f57 420 select GPIOLIB_IRQCHIP
cd0a3748
JMC
421 help
422 Say yes here to enable GPIO support for TI OMAP SoCs.
423
1e9c2859
BS
424config GPIO_PL061
425 bool "PrimeCell PL061 GPIO support"
8a242842 426 depends on ARM_AMBA
a5d6d271 427 select IRQ_DOMAIN
8d5b24bd 428 select GPIOLIB_IRQCHIP
1e9c2859
BS
429 help
430 Say yes here to support the PrimeCell PL061 GPIO device
431
348f3cde
BW
432config GPIO_PMIC_EIC_SPRD
433 tristate "Spreadtrum PMIC EIC support"
434 depends on MFD_SC27XX_PMIC || COMPILE_TEST
435 depends on OF_GPIO
436 select GPIOLIB_IRQCHIP
437 help
438 Say yes here to support Spreadtrum PMIC EIC device.
439
157d2644
HZ
440config GPIO_PXA
441 bool "PXA GPIO support"
442 depends on ARCH_PXA || ARCH_MMP
443 help
444 Say yes here to support the PXA GPIO device
445
119f5e44
MD
446config GPIO_RCAR
447 tristate "Renesas R-Car GPIO"
2af66e1d 448 depends on ARCH_RENESAS || COMPILE_TEST
c7f3c5d3 449 select GPIOLIB_IRQCHIP
119f5e44
MD
450 help
451 Say yes here to support GPIO on Renesas R-Car SoCs.
452
d57eb825
MS
453config GPIO_RDA
454 bool "RDA Micro GPIO controller support"
455 depends on ARCH_RDA || COMPILE_TEST
456 depends on OF_GPIO
457 select GPIO_GENERIC
458 select GPIOLIB_IRQCHIP
459 help
460 Say Y here to support RDA Micro GPIO controller.
461
380639c7
RK
462config GPIO_REG
463 bool
464 help
465 A 32-bit single register GPIO fixed in/out implementation. This
466 can be used to represent any register as a set of GPIO signals.
467
fb0b35d3
AS
468config GPIO_SAMA5D2_PIOBU
469 tristate "SAMA5D2 PIOBU GPIO support"
470 depends on MFD_SYSCON
a7c23f8d 471 depends on OF_GPIO
fb0b35d3
AS
472 select GPIO_SYSCON
473 help
474 Say yes here to use the PIOBU pins as GPIOs.
475
476 PIOBU pins on the SAMA5D2 can be used as GPIOs.
477 The difference from regular GPIOs is that they
478 maintain their value during backup/self-refresh.
479
96868dce
YS
480config GPIO_SIFIVE
481 bool "SiFive GPIO support"
482 depends on OF_GPIO && IRQ_DOMAIN_HIERARCHY
483 select GPIO_GENERIC
484 select GPIOLIB_IRQCHIP
485 select REGMAP_MMIO
486 help
487 Say yes here to support the GPIO device on SiFive SoCs.
488
be8c8fac
UKK
489config GPIO_SIOX
490 tristate "SIOX GPIO support"
491 depends on SIOX
492 select GPIOLIB_IRQCHIP
493 help
494 Say yes here to support SIOX I/O devices. These are units connected
495 via a SIOX bus and have a number of fixed-direction I/O lines.
496
2505c7b0
EP
497config GPIO_SNPS_CREG
498 bool "Synopsys GPIO via CREG (Control REGisters) driver"
499 depends on ARC || COMPILE_TEST
a7c0b4b8 500 depends on OF_GPIO
2505c7b0
EP
501 help
502 This driver supports GPIOs via CREG on various Synopsys SoCs.
503 This is a single-register MMIO GPIO driver for complex cases
504 where only several fields in register belong to GPIO lines and
505 each GPIO line owns a field with different length and on/off value.
506
b53bc281
SH
507config GPIO_SPEAR_SPICS
508 bool "ST SPEAr13xx SPI Chip Select as GPIO support"
509 depends on PLAT_SPEAR
510 select GENERIC_IRQ_CHIP
511 help
512 Say yes here to support ST SPEAr SPI Chip Select as GPIO device
513
9a3821c2
BW
514config GPIO_SPRD
515 tristate "Spreadtrum GPIO support"
516 depends on ARCH_SPRD || COMPILE_TEST
517 depends on OF_GPIO
518 select GPIOLIB_IRQCHIP
519 help
520 Say yes here to support Spreadtrum GPIO device.
521
7b0d44f3
AR
522config GPIO_STA2X11
523 bool "STA2x11/ConneXt GPIO support"
524 depends on MFD_STA2X11
525 select GENERIC_IRQ_CHIP
526 help
527 Say yes here to support the STA2x11/ConneXt GPIO device.
528 The GPIO module has 128 GPIO pins with alternate functions.
529
be9cab5b
LW
530config GPIO_STP_XWAY
531 bool "XWAY STP GPIOs"
5099837d
MB
532 depends on SOC_XWAY || COMPILE_TEST
533 depends on OF_GPIO
be9cab5b
LW
534 help
535 This enables support for the Serial To Parallel (STP) unit found on
536 XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
537 that can be up to 24 bit. This peripheral is aimed at driving leds.
538 Some of the gpios/leds can be auto updated by the soc with dsl and
539 phy status.
540
6a8a0c1d
AS
541config GPIO_SYSCON
542 tristate "GPIO based on SYSCON"
543 depends on MFD_SYSCON && OF
544 help
545 Say yes here to support GPIO functionality though SYSCON driver.
546
223fa272
LW
547config GPIO_TB10X
548 bool
0d1e31ab 549 select GPIO_GENERIC
223fa272
LW
550 select GENERIC_IRQ_CHIP
551 select OF_GPIO
552
4dd4dd1d 553config GPIO_TEGRA
0bfb85c6
AB
554 bool "NVIDIA Tegra GPIO support"
555 default ARCH_TEGRA
4dd4dd1d 556 depends on ARCH_TEGRA || COMPILE_TEST
048c28c9 557 depends on OF_GPIO
0bfb85c6
AB
558 help
559 Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
4dd4dd1d 560
5b2b135a
TR
561config GPIO_TEGRA186
562 tristate "NVIDIA Tegra186 GPIO support"
286e7bea
TR
563 default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
564 depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
5b2b135a
TR
565 depends on OF_GPIO
566 select GPIOLIB_IRQCHIP
2a365505 567 select IRQ_DOMAIN_HIERARCHY
5b2b135a
TR
568 help
569 Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
570
5041e791
JG
571config GPIO_TS4800
572 tristate "TS-4800 DIO blocks and compatibles"
573 depends on OF_GPIO
6dcfd729 574 depends on SOC_IMX51 || COMPILE_TEST
5041e791
JG
575 select GPIO_GENERIC
576 help
577 This driver support TS-4800 FPGA GPIO controllers.
578
5a2a3002
DD
579config GPIO_THUNDERX
580 tristate "Cavium ThunderX/OCTEON-TX GPIO"
581 depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
311de3ce 582 depends on PCI_MSI
a7fc89f9 583 select GPIOLIB_IRQCHIP
311de3ce 584 select IRQ_DOMAIN_HIERARCHY
5a2a3002
DD
585 select IRQ_FASTEOI_HIERARCHY_HANDLERS
586 help
587 Say yes here to support the on-chip GPIO lines on the ThunderX
588 and OCTEON-TX families of SoCs.
589
dbe776c2
MY
590config GPIO_UNIPHIER
591 tristate "UniPhier GPIO support"
592 depends on ARCH_UNIPHIER || COMPILE_TEST
593 depends on OF_GPIO
594 select IRQ_DOMAIN_HIERARCHY
595 help
596 Say yes here to support UniPhier GPIOs.
597
7f2691a1
SA
598config GPIO_VF610
599 def_bool y
600 depends on ARCH_MXC && SOC_VF610
601 select GPIOLIB_IRQCHIP
602 help
603 Say yes here to support Vybrid vf610 GPIOs.
604
223fa272
LW
605config GPIO_VR41XX
606 tristate "NEC VR4100 series General-purpose I/O Uint support"
607 depends on CPU_VR41XX
608 help
609 Say yes here to support the NEC VR4100 series General-purpose I/O Uint
610
611config GPIO_VX855
612 tristate "VIA VX855/VX875 GPIO"
72aba2e2 613 depends on (X86 || COMPILE_TEST) && PCI
223fa272
LW
614 select MFD_CORE
615 select MFD_VX855
616 help
617 Support access to the VX855/VX875 GPIO lines through the gpio library.
618
619 This driver provides common support for accessing the device,
620 additional drivers must be enabled in order to use the
621 functionality of the device.
622
59c32468
SK
623config GPIO_WCD934X
624 tristate "Qualcomm Technologies Inc WCD9340/WCD9341 gpio controller driver"
625 depends on MFD_WCD934X && OF_GPIO
626 help
627 This driver is to supprot GPIO block found on the Qualcomm Technologies
628 Inc WCD9340/WCD9341 Audio Codec.
629
29cbf458
FK
630config GPIO_XGENE
631 bool "APM X-Gene GPIO controller support"
632 depends on ARM64 && OF_GPIO
633 help
634 This driver is to support the GPIO block within the APM X-Gene SoC
635 platform's generic flash controller. The GPIO pins are muxed with
636 the generic flash controller's address and data pins. Say yes
637 here to enable the GFC GPIO functionality.
638
b2b35e10
V
639config GPIO_XGENE_SB
640 tristate "APM X-Gene GPIO standby controller support"
641 depends on ARCH_XGENE && OF_GPIO
642 select GPIO_GENERIC
e5f7e312 643 select GPIOLIB_IRQCHIP
c23d200f 644 select IRQ_DOMAIN_HIERARCHY
b2b35e10
V
645 help
646 This driver supports the GPIO block within the APM X-Gene
647 Standby Domain. Say yes here to enable the GPIO functionality.
648
0bcb6069 649config GPIO_XILINX
c54c58ba 650 tristate "Xilinx GPIO support"
0bcb6069
JL
651 help
652 Say yes here to support the Xilinx FPGA GPIO device
653
ff718800
KP
654config GPIO_XLP
655 tristate "Netlogic XLP GPIO support"
240d3d5b 656 depends on OF_GPIO && (CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST)
ff718800
KP
657 select GPIOLIB_IRQCHIP
658 help
659 This driver provides support for GPIO interface on Netlogic XLP MIPS64
660 SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
240d3d5b
J
661 XLP9XX and XLP5XX. The same GPIO controller block is also present in
662 Cavium's ThunderX2 CN99XX SoCs.
ff718800
KP
663
664 If unsure, say N.
665
3b31d0ec
BS
666config GPIO_XTENSA
667 bool "Xtensa GPIO32 support"
668 depends on XTENSA
a1a2bdec 669 depends on HAVE_XTENSA_GPIO32
3b31d0ec
BS
670 depends on !SMP
671 help
672 Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
673 and EXPSTATE (output) ports
674
223fa272
LW
675config GPIO_ZEVIO
676 bool "LSI ZEVIO SoC memory mapped GPIOs"
677 depends on ARM && OF_GPIO
27fdd325 678 help
223fa272 679 Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
27fdd325 680
223fa272
LW
681config GPIO_ZYNQ
682 tristate "Xilinx Zynq GPIO support"
bdf7a4ae 683 depends on ARCH_ZYNQ || ARCH_ZYNQMP
7f87210e 684 select GPIOLIB_IRQCHIP
be9b06b2 685 help
223fa272 686 Say yes here to support Xilinx Zynq GPIO controller.
92021490 687
0963670a
LW
688config GPIO_ZX
689 bool "ZTE ZX GPIO support"
752fda89 690 depends on ARCH_ZX || COMPILE_TEST
0963670a
LW
691 select GPIOLIB_IRQCHIP
692 help
693 Say yes here to support the GPIO device on ZTE ZX SoCs.
694
bd37c999
KC
695config GPIO_LOONGSON1
696 tristate "Loongson1 GPIO support"
697 depends on MACH_LOONGSON32
698 select GPIO_GENERIC
699 help
700 Say Y or M here to support GPIO on Loongson1 SoCs.
701
e09d168f
EWI
702config GPIO_AMD_FCH
703 tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
704 help
705 This option enables driver for GPIO on AMDs Fusion Controller Hub,
706 as found on G-series SOCs (eg. GX-412TC)
707
708 Note: This driver doesn't registers itself automatically, as it
709 needs to be provided with platform specific configuration.
710 (See eg. CONFIG_PCENGINES_APU2.)
177b0381 711endmenu
be9b06b2 712
bc6a73bb 713menu "Port-mapped I/O GPIO drivers"
7768feb0 714 depends on X86 # Unconditional I/O space access
bc6a73bb 715
1b06d64f
WBG
716config GPIO_104_DIO_48E
717 tristate "ACCES 104-DIO-48E GPIO support"
35decc80
WBG
718 depends on PC104
719 select ISA_BUS_API
1b06d64f
WBG
720 select GPIOLIB_IRQCHIP
721 help
4c23db0f
WBG
722 Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
723 104-DIO-24E). The base port addresses for the devices may be
724 configured via the base module parameter. The interrupt line numbers
725 for the devices may be configured via the irq module parameter.
1b06d64f 726
bc6a73bb
LW
727config GPIO_104_IDIO_16
728 tristate "ACCES 104-IDIO-16 GPIO support"
35decc80
WBG
729 depends on PC104
730 select ISA_BUS_API
a1184147 731 select GPIOLIB_IRQCHIP
bc6a73bb 732 help
86ea8a95
WBG
733 Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
734 104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
735 base port addresses for the devices may be configured via the base
736 module parameter. The interrupt line numbers for the devices may be
737 configured via the irq module parameter.
bc6a73bb 738
6ddcf9b4
WBG
739config GPIO_104_IDI_48
740 tristate "ACCES 104-IDI-48 GPIO support"
35decc80
WBG
741 depends on PC104
742 select ISA_BUS_API
6ddcf9b4
WBG
743 select GPIOLIB_IRQCHIP
744 help
72bf7443
WBG
745 Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
746 104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
747 the devices may be configured via the base module parameter. The
748 interrupt line numbers for the devices may be configured via the irq
749 module parameter.
6ddcf9b4 750
bc6a73bb 751config GPIO_F7188X
1920906f 752 tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
bc6a73bb
LW
753 help
754 This option enables support for GPIOs found on Fintek Super-I/O
1920906f 755 chips F71869, F71869A, F71882FG, F71889F and F81866.
bc6a73bb
LW
756
757 To compile this driver as a module, choose M here: the module will
758 be called f7188x-gpio.
759
6ea5dcdf
WBG
760config GPIO_GPIO_MM
761 tristate "Diamond Systems GPIO-MM GPIO support"
35decc80
WBG
762 depends on PC104
763 select ISA_BUS_API
6ea5dcdf
WBG
764 help
765 Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
766
767 The Diamond Systems GPIO-MM device features 48 lines of digital I/O
768 via the emulation of dual 82C55A PPI chips. This driver provides GPIO
769 support for these 48 channels of digital I/O.
770
771 The base port addresses for the devices may be configured via the base
772 array module parameter.
773
bc6a73bb
LW
774config GPIO_IT87
775 tristate "IT87xx GPIO support"
bc6a73bb
LW
776 help
777 Say yes here to support GPIO functionality of IT87xx Super I/O chips.
778
779 This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
a5ec96dd
LB
780 supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as
781 well.
bc6a73bb
LW
782
783 To compile this driver as a module, choose M here: the module will
784 be called gpio_it87
785
786config GPIO_SCH
787 tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
72aba2e2 788 depends on (X86 || COMPILE_TEST) && PCI
bc6a73bb
LW
789 select MFD_CORE
790 select LPC_SCH
791 help
792 Say yes here to support GPIO interface on Intel Poulsbo SCH,
793 Intel Tunnel Creek processor, Intel Centerton processor or
794 Intel Quark X1000 SoC.
795
796 The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
797 powered by the core power rail and are turned off during sleep
798 modes (S3 and higher). The remaining four GPIOs are powered by
799 the Intel SCH suspend power supply. These GPIOs remain
800 active during S3. The suspend powered GPIOs can be used to wake the
801 system from the Suspend-to-RAM state.
802
803 The Intel Tunnel Creek processor has 5 GPIOs powered by the
804 core power rail and 9 from suspend power supply.
805
806 The Intel Centerton processor has a total of 30 GPIO pins.
807 Twenty-one are powered by the core power rail and 9 from the
808 suspend power supply.
809
810 The Intel Quark X1000 SoC has 2 GPIOs powered by the core
811 power well and 6 from the suspend power well.
812
813config GPIO_SCH311X
814 tristate "SMSC SCH311x SuperI/O GPIO"
815 help
816 Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
817 SCH3116 "Super I/O" chipsets.
818
819 To compile this driver as a module, choose M here: the module will
820 be called gpio-sch311x.
821
822config GPIO_TS5500
823 tristate "TS-5500 DIO blocks and compatibles"
824 depends on TS5500 || COMPILE_TEST
825 help
826 This driver supports Digital I/O exposed by pin blocks found on some
827 Technologic Systems platforms. It includes, but is not limited to, 3
828 blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
829 LCD port.
830
a0d65009
MS
831config GPIO_WINBOND
832 tristate "Winbond Super I/O GPIO support"
b995ff3b 833 select ISA_BUS_API
a0d65009
MS
834 help
835 This option enables support for GPIOs found on Winbond Super I/O
836 chips.
837 Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is
838 supported.
839
840 You will need to provide a module parameter "gpios", or a
841 boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
842 ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
843
844 To compile this driver as a module, choose M here: the module will
845 be called gpio-winbond.
846
9c26df9b
WBG
847config GPIO_WS16C48
848 tristate "WinSystems WS16C48 GPIO support"
35decc80 849 select ISA_BUS_API
9c26df9b
WBG
850 select GPIOLIB_IRQCHIP
851 help
cc736607
WBG
852 Enables GPIO support for the WinSystems WS16C48. The base port
853 addresses for the devices may be configured via the base module
854 parameter. The interrupt line numbers for the devices may be
855 configured via the irq module parameter.
9c26df9b 856
bc6a73bb
LW
857endmenu
858
177b0381
LW
859menu "I2C GPIO expanders"
860 depends on I2C
92021490 861
bf5a16ba
LW
862config GPIO_ADP5588
863 tristate "ADP5588 I2C GPIO expander"
6ed9f9c4 864 help
bf5a16ba
LW
865 This option enables support for 18 GPIOs found
866 on Analog Devices ADP5588 GPIO Expanders.
be9b06b2 867
bf5a16ba
LW
868config GPIO_ADP5588_IRQ
869 bool "Interrupt controller support for ADP5588"
870 depends on GPIO_ADP5588=y
e9646f0f 871 select GPIOLIB_IRQCHIP
e9004f50 872 help
bf5a16ba
LW
873 Say yes here to enable the adp5588 to be used as an interrupt
874 controller. It requires the driver to be built in the kernel.
31ba56f2 875
bf5a16ba
LW
876config GPIO_ADNP
877 tristate "Avionic Design N-bit GPIO expander"
269a46f8 878 depends on OF_GPIO
104fb1d5
ZL
879 select GPIOLIB_IRQCHIP
880 help
bf5a16ba
LW
881 This option enables support for N GPIOs found on Avionic Design
882 I2C GPIO expanders. The register space will be extended by powers
883 of two, so the controller will need to accommodate for that. For
884 example: if a controller provides 48 pins, 6 registers will be
885 enough to represent all pins, but the driver will assume a
886 register layout for 64 pins (8 registers).
0cc59b9d 887
2a0b0a57
LW
888config GPIO_GW_PLD
889 tristate "Gateworks PLD GPIO Expander"
890 depends on OF_GPIO
891 help
892 Say yes here to provide access to the Gateworks I2C PLD GPIO
893 Expander. This is used at least on the Cambria GW2358-4.
894
e952805d
WS
895config GPIO_MAX7300
896 tristate "Maxim MAX7300 GPIO expander"
e952805d
WS
897 select GPIO_MAX730X
898 help
2b861f4b 899 GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
e952805d 900
bbcd6d54
EM
901config GPIO_MAX732X
902 tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
bbcd6d54
EM
903 help
904 Say yes here to support the MAX7319, MAX7320-7327 series of I2C
905 Port Expanders. Each IO port on these chips has a fixed role of
906 Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
907 Input and Output (designed by 'P'). The combinations are listed
908 below:
909
c42e34c9
EWI
910 8 bits: max7319 (8I), max7320 (8O), max7321 (8P),
911 max7322 (4I4O), max7323 (4P4O)
bbcd6d54 912
c42e34c9
EWI
913 16 bits: max7324 (8I8O), max7325 (8P8O),
914 max7326 (4I12O), max7327 (4P12O)
bbcd6d54
EM
915
916 Board setup code must specify the model to use, and the start
917 number for these GPIOs.
918
a80a0bbe
MZ
919config GPIO_MAX732X_IRQ
920 bool "Interrupt controller support for MAX732x"
0244ad00 921 depends on GPIO_MAX732X=y
984f6643 922 select GPIOLIB_IRQCHIP
a80a0bbe
MZ
923 help
924 Say yes here to enable the max732x to be used as an interrupt
925 controller. It requires the driver to be built in the kernel.
926
608589b1 927config GPIO_MC9S08DZ60
928 bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
4c30aa33 929 depends on I2C=y && MACH_MX35_3DS
608589b1 930 help
931 Select this to enable the MC9S08DZ60 GPIO driver
932
f3dc3630 933config GPIO_PCA953X
eb32b5aa 934 tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
4bc16f9d 935 select REGMAP_I2C
9e60fdcf 936 help
7059d4b0
DB
937 Say yes here to provide access to several register-oriented
938 SMBus I/O expanders, made mostly by NXP or TI. Compatible
939 models include:
940
c42e34c9 941 4 bits: pca9536, pca9537
7059d4b0 942
c42e34c9
EWI
943 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
944 pca9556, pca9557, pca9574, tca6408, tca9554, xra1202
7059d4b0 945
c42e34c9
EWI
946 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
947 tca6416
9e60fdcf 948
c42e34c9 949 24 bits: tca6424
1e191695 950
c42e34c9 951 40 bits: pca9505, pca9698
1e191695 952
89ea8bbe
MZ
953config GPIO_PCA953X_IRQ
954 bool "Interrupt controller support for PCA953x"
955 depends on GPIO_PCA953X=y
7bcbce55 956 select GPIOLIB_IRQCHIP
89ea8bbe
MZ
957 help
958 Say yes here to enable the pca953x to be used as an interrupt
959 controller. It requires the driver to be built in the kernel.
960
15fae37d 961config GPIO_PCF857X
1673ad52 962 tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
a39294bd 963 select GPIOLIB_IRQCHIP
901acf5b 964 select IRQ_DOMAIN
15fae37d
DB
965 help
966 Say yes here to provide access to most "quasi-bidirectional" I2C
967 GPIO expanders used for additional digital outputs or inputs.
968 Most of these parts are from NXP, though TI is a second source for
969 some of them. Compatible models include:
970
971 8 bits: pcf8574, pcf8574a, pca8574, pca8574a,
1673ad52 972 pca9670, pca9672, pca9674, pca9674a,
c42e34c9 973 max7328, max7329
15fae37d
DB
974
975 16 bits: pcf8575, pcf8575c, pca8575,
976 pca9671, pca9673, pca9675
977
978 Your board setup code will need to declare the expanders in
979 use, and assign numbers to the GPIOs they expose. Those GPIOs
980 can then be used from drivers and other kernel code, just like
981 other GPIOs, but only accessible from task contexts.
982
983 This driver provides an in-kernel interface to those GPIOs using
984 platform-neutral GPIO calls.
985
b866526d
AD
986config GPIO_TPIC2810
987 tristate "TPIC2810 8-Bit I2C GPO expander"
988 help
989 Say yes here to enable the GPO driver for the TI TPIC2810 chip.
990
991 To compile this driver as a module, choose M here: the module will
992 be called gpio-tpic2810.
993
9c668632
LQ
994config GPIO_TS4900
995 tristate "Technologic Systems FPGA I2C GPIO"
4c5f15b7 996 depends on SOC_IMX6 || COMPILE_TEST
9c668632
LQ
997 select REGMAP_I2C
998 help
999 Say yes here to enabled the GPIO driver for Technologic's FPGA core.
1000 Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
1001
177b0381
LW
1002endmenu
1003
1004menu "MFD GPIO expanders"
be9cab5b
LW
1005
1006config GPIO_ADP5520
1007 tristate "GPIO Support for ADP5520 PMIC"
1008 depends on PMIC_ADP5520
1009 help
1010 This option enables support for on-chip GPIO found
1011 on Analog Devices ADP5520 PMICs.
1012
26a48c4c
TT
1013config GPIO_ALTERA_A10SR
1014 tristate "Altera Arria10 System Resource GPIO"
1015 depends on MFD_ALTERA_A10SR
1016 help
1017 Driver for Arria10 Development Kit GPIO expansion which
1018 includes reads of pushbuttons and DIP switches as well
1019 as writes to LEDs.
1020
be9cab5b
LW
1021config GPIO_ARIZONA
1022 tristate "Wolfson Microelectronics Arizona class devices"
1023 depends on MFD_ARIZONA
1024 help
1025 Support for GPIOs on Wolfson Arizona class devices.
1026
18bc64b3
MV
1027config GPIO_BD70528
1028 tristate "ROHM BD70528 GPIO support"
1029 depends on MFD_ROHM_BD70528
1030 help
1031 Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs
1032 available on the ROHM PMIC in total. The GPIOs can also
1033 generate interrupts.
1034
1035 This driver can also be built as a module. If so, the module
1036 will be called gpio-bd70528.
1037
c31f625d
MV
1038config GPIO_BD71828
1039 tristate "ROHM BD71828 GPIO support"
1040 depends on MFD_ROHM_BD71828
1041 help
1042 Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1043 available on the ROHM PMIC in total. The GPIOs are limited to
1044 outputs only and pins must be configured to GPIO outputs by
1045 OTP. Enable this only if you want to use these pins as outputs.
1046
1047 This driver can also be built as a module. If so, the module
1048 will be called gpio-bd71828.
1049
93847930
MV
1050config GPIO_BD9571MWV
1051 tristate "ROHM BD9571 GPIO support"
1052 depends on MFD_BD9571MWV
1053 help
1054 Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
1055 available on the ROHM PMIC in total, both of which can also
1056 generate interrupts.
1057
1058 This driver can also be built as a module. If so, the module
1059 will be called gpio-bd9571mwv.
1060
be9cab5b
LW
1061config GPIO_CRYSTAL_COVE
1062 tristate "GPIO support for Crystal Cove PMIC"
72aba2e2 1063 depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
be9cab5b
LW
1064 select GPIOLIB_IRQCHIP
1065 help
1066 Support for GPIO pins on Crystal Cove PMIC.
1067
1068 Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
1069 inside.
1070
1071 This driver can also be built as a module. If so, the module will be
1072 called gpio-crystalcove.
1073
1074config GPIO_CS5535
1075 tristate "AMD CS5535/CS5536 GPIO support"
72aba2e2 1076 depends on X86 || MIPS || COMPILE_TEST
be9cab5b
LW
1077 depends on MFD_CS5535
1078 help
1079 The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
1080 can be used for quite a number of things. The CS5535/6 is found on
1081 AMD Geode and Lemote Yeeloong devices.
1082
1083 If unsure, say N.
1084
1085config GPIO_DA9052
1086 tristate "Dialog DA9052 GPIO"
1087 depends on PMIC_DA9052
1088 help
1089 Say yes here to enable the GPIO driver for the DA9052 chip.
1090
1091config GPIO_DA9055
1092 tristate "Dialog Semiconductor DA9055 GPIO"
1093 depends on MFD_DA9055
1094 help
1095 Say yes here to enable the GPIO driver for the DA9055 chip.
1096
1097 The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
1098 be controller by this driver.
1099
1100 If driver is built as a module it will be called gpio-da9055.
1101
1102config GPIO_DLN2
1103 tristate "Diolan DLN2 GPIO support"
1104 depends on MFD_DLN2
1105 select GPIOLIB_IRQCHIP
1106
1107 help
1108 Select this option to enable GPIO driver for the Diolan DLN2
1109 board.
1110
1111 This driver can also be built as a module. If so, the module
1112 will be called gpio-dln2.
1113
3c6e8d05
LW
1114config HTC_EGPIO
1115 bool "HTC EGPIO support"
1116 depends on GPIOLIB && ARM
1117 help
c42e34c9
EWI
1118 This driver supports the CPLD egpio chip present on
1119 several HTC phones. It provides basic support for input
1120 pins, output pins, and irqs.
3c6e8d05 1121
be9cab5b
LW
1122config GPIO_JANZ_TTL
1123 tristate "Janz VMOD-TTL Digital IO Module"
1124 depends on MFD_JANZ_CMODIO
1125 help
1126 This enables support for the Janz VMOD-TTL Digital IO module.
1127 This driver provides support for driving the pins in output
1128 mode only. Input mode is not supported.
1129
1130config GPIO_KEMPLD
1131 tristate "Kontron ETX / COMexpress GPIO"
1132 depends on MFD_KEMPLD
1133 help
1134 This enables support for the PLD GPIO interface on some Kontron ETX
1135 and COMexpress (ETXexpress) modules.
1136
1137 This driver can also be built as a module. If so, the module will be
1138 called gpio-kempld.
1139
1140config GPIO_LP3943
1141 tristate "TI/National Semiconductor LP3943 GPIO expander"
1142 depends on MFD_LP3943
1143 help
1144 GPIO driver for LP3943 MFD.
1145 LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1146 Open drain outputs are required for this usage.
1147
83f14103
K
1148config GPIO_LP873X
1149 tristate "TI LP873X GPO"
1150 depends on MFD_TI_LP873X
1151 help
1152 This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
1153 on LP873X PMICs.
1154
1155 This driver can also be built as a module. If so, the module will be
c42e34c9 1156 called gpio-lp873x.
83f14103 1157
5c7f2c76
K
1158config GPIO_LP87565
1159 tristate "TI LP87565 GPIO"
1160 depends on MFD_TI_LP87565
1161 help
1162 This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1163 on LP87565 PMICs.
1164
1165 This driver can also be built as a module. If so, the module will be
1166 called gpio-lp87565.
1167
aca429ff
RF
1168config GPIO_MADERA
1169 tristate "Cirrus Logic Madera class codecs"
1170 depends on PINCTRL_MADERA
1171 help
1172 Support for GPIOs on Cirrus Logic Madera class codecs.
1173
02c5ba1e
LD
1174config GPIO_MAX77620
1175 tristate "GPIO support for PMIC MAX77620 and MAX20024"
1176 depends on MFD_MAX77620
c5706c7d 1177 select GPIOLIB_IRQCHIP
02c5ba1e
LD
1178 help
1179 GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
1180 MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1181 driver also provides interrupt support for each of the gpios.
1182 Say yes here to enable the max77620 to be used as gpio controller.
1183
72b5135b
BG
1184config GPIO_MAX77650
1185 tristate "Maxim MAX77650/77651 GPIO support"
1186 depends on MFD_MAX77650
1187 help
1188 GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor.
1189 These chips have a single pin that can be configured as GPIO.
1190
be9cab5b
LW
1191config GPIO_MSIC
1192 bool "Intel MSIC mixed signal gpio support"
72aba2e2 1193 depends on (X86 || COMPILE_TEST) && MFD_INTEL_MSIC
be9cab5b
LW
1194 help
1195 Enable support for GPIO on intel MSIC controllers found in
1196 intel MID devices
1197
1198config GPIO_PALMAS
1199 bool "TI PALMAS series PMICs GPIO"
1200 depends on MFD_PALMAS
1201 help
1202 Select this option to enable GPIO driver for the TI PALMAS
1203 series chip family.
1204
e9fe32bc
LD
1205config GPIO_RC5T583
1206 bool "RICOH RC5T583 GPIO"
1207 depends on MFD_RC5T583
1208 help
1209 Select this option to enable GPIO driver for the Ricoh RC5T583
1210 chip family.
1211 This driver provides the support for driving/reading the gpio pins
1212 of RC5T583 device through standard gpio library.
1213
03f822f5
RV
1214config GPIO_STMPE
1215 bool "STMPE GPIOs"
1216 depends on MFD_STMPE
1dfb4a0d 1217 depends on OF_GPIO
fe44e70d 1218 select GPIOLIB_IRQCHIP
03f822f5
RV
1219 help
1220 This enables support for the GPIOs found on the STMPE I/O
1221 Expanders.
1222
f4e8afdc
SI
1223config GPIO_TC3589X
1224 bool "TC3589X GPIOs"
1225 depends on MFD_TC3589X
1422731d 1226 depends on OF_GPIO
cf42f1cf 1227 select GPIOLIB_IRQCHIP
d88b25be 1228 help
f4e8afdc 1229 This enables support for the GPIOs found on the TC3589X
d88b25be
RV
1230 I/O Expander.
1231
be9cab5b
LW
1232config GPIO_TIMBERDALE
1233 bool "Support for timberdale GPIO IP"
1234 depends on MFD_TIMBERDALE
1235 ---help---
1236 Add support for the GPIO IP in the timberdale FPGA.
1237
99f0fd54
AD
1238config GPIO_TPS65086
1239 tristate "TI TPS65086 GPO"
1240 depends on MFD_TPS65086
1241 help
1242 This driver supports the GPO on TI TPS65086x PMICs.
1243
c366c76a
NSJ
1244config GPIO_TPS65218
1245 tristate "TPS65218 GPIO"
1246 depends on MFD_TPS65218
1247 help
1248 Select this option to enable GPIO driver for the TPS65218
1249 chip family.
1250
be9cab5b
LW
1251config GPIO_TPS6586X
1252 bool "TPS6586X GPIO"
1253 depends on MFD_TPS6586X
1254 help
1255 Select this option to enable GPIO driver for the TPS6586X
1256 chip family.
1257
1258config GPIO_TPS65910
1259 bool "TPS65910 GPIO"
1260 depends on MFD_TPS65910
1261 help
1262 Select this option to enable GPIO driver for the TPS65910
1263 chip family.
1264
668a6cc7
MO
1265config GPIO_TPS65912
1266 tristate "TI TPS65912 GPIO"
ca801a22 1267 depends on MFD_TPS65912
668a6cc7
MO
1268 help
1269 This driver supports TPS65912 gpio chip
1270
275b13a6
RM
1271config GPIO_TPS68470
1272 bool "TPS68470 GPIO"
1273 depends on MFD_TPS68470
1274 help
1275 Select this option to enable GPIO driver for the TPS68470
1276 chip family.
1277 There are 7 GPIOs and few sensor related GPIOs supported
1278 by the TPS68470. While the 7 GPIOs can be configured as
1279 input or output as appropriate, the sensor related GPIOs
1280 are "output only" GPIOs.
1281
1282 This driver config is bool, as the GPIO functionality
1283 of the TPS68470 must be available before dependent
1284 drivers are loaded.
1285
b868db94
AL
1286config GPIO_TQMX86
1287 tristate "TQ-Systems QTMX86 GPIO"
1288 depends on MFD_TQMX86 || COMPILE_TEST
1289 select GPIOLIB_IRQCHIP
1290 help
1291 This driver supports GPIO on the TQMX86 IO controller.
1292
e9d35947
DB
1293config GPIO_TWL4030
1294 tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1295 depends on TWL4030_CORE
1296 help
1297 Say yes here to access the GPIO signals of various multi-function
1298 power management chips from Texas Instruments.
1299
70ffd691
PU
1300config GPIO_TWL6040
1301 tristate "TWL6040 GPO"
1302 depends on TWL6040_CORE
1303 help
1304 Say yes here to access the GPO signals of twl6040
1305 audio chip from Texas Instruments.
1306
be9cab5b
LW
1307config GPIO_UCB1400
1308 tristate "Philips UCB1400 GPIO"
1309 depends on UCB1400_CORE
1310 help
1311 This enables support for the Philips UCB1400 GPIO pins.
1312 The UCB1400 is an AC97 audio codec.
1313
0ba19cfc
BG
1314config GPIO_WHISKEY_COVE
1315 tristate "GPIO support for Whiskey Cove PMIC"
b5238b41 1316 depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC
0ba19cfc
BG
1317 select GPIOLIB_IRQCHIP
1318 help
1319 Support for GPIO pins on Whiskey Cove PMIC.
1320
1321 Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
1322 inside.
1323
1324 This driver can also be built as a module. If so, the module will be
1325 called gpio-wcove.
1326
e4b736f1
MB
1327config GPIO_WM831X
1328 tristate "WM831x GPIOs"
1329 depends on MFD_WM831X
1330 help
1331 Say yes here to access the GPIO signals of WM831x power management
1332 chips from Wolfson Microelectronics.
1333
38f6ce45
MB
1334config GPIO_WM8350
1335 tristate "WM8350 GPIOs"
1336 depends on MFD_WM8350
1337 help
1338 Say yes here to access the GPIO signals of WM8350 power management
1339 chips from Wolfson Microelectronics.
1340
2955c309
MB
1341config GPIO_WM8994
1342 tristate "WM8994 GPIOs"
1343 depends on MFD_WM8994
1344 help
1345 Say yes here to access the GPIO signals of WM8994 audio hub
1346 CODECs from Wolfson Microelectronics.
1347
177b0381 1348endmenu
ef72af40 1349
177b0381
LW
1350menu "PCI GPIO expanders"
1351 depends on PCI
459773ae 1352
92c33ef7
LW
1353config GPIO_AMD8111
1354 tristate "AMD 8111 GPIO driver"
72aba2e2 1355 depends on X86 || COMPILE_TEST
5e969a40 1356 help
92c33ef7 1357 The AMD 8111 south bridge contains 32 GPIO pins which can be used.
ff1d5c2f 1358
92c33ef7
LW
1359 Note, that usually system firmware/ACPI handles GPIO pins on their
1360 own and users might easily break their systems with uncarefull usage
1361 of this driver!
5f0a96b0 1362
92c33ef7 1363 If unsure, say N
5f0a96b0 1364
ff1d5c2f
MB
1365config GPIO_BT8XX
1366 tristate "BT8XX GPIO abuser"
03744529 1367 depends on VIDEO_BT848=n
ff1d5c2f 1368 help
22520edc 1369 The BT8xx frame grabber chip has 24 GPIO pins that can be abused
ff1d5c2f
MB
1370 as a cheap PCI GPIO card.
1371
1372 This chip can be found on Miro, Hauppauge and STB TV-cards.
1373
1374 The card needs to be physically altered for using it as a
1375 GPIO card. For more information on how to build a GPIO card
1376 from a BT8xx TV card, see the documentation file at
5f07224e 1377 Documentation/driver-api/gpio/bt8xxgpio.rst
ff1d5c2f
MB
1378
1379 If unsure, say N.
1380
84743ea3 1381config GPIO_INTEL_MID
c78e3cf1
AS
1382 bool "Intel MID GPIO support"
1383 depends on X86_INTEL_MID
fc346270 1384 select GPIOLIB_IRQCHIP
8bf02617 1385 help
c78e3cf1 1386 Say Y here to support Intel MID GPIO.
8bf02617 1387
ccf6fd6d
AS
1388config GPIO_MERRIFIELD
1389 tristate "Intel Merrifield GPIO support"
1390 depends on X86_INTEL_MID
fc346270 1391 select GPIOLIB_IRQCHIP
8bf02617 1392 help
ccf6fd6d 1393 Say Y here to support Intel Merrifield GPIO.
8bf02617 1394
c78c42d7
SKR
1395config GPIO_MLXBF
1396 tristate "Mellanox BlueField SoC GPIO"
cbe706b0 1397 depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST)
c78c42d7
SKR
1398 select GPIO_GENERIC
1399 help
1400 Say Y here if you want GPIO support on Mellanox BlueField SoC.
1401
92c33ef7
LW
1402config GPIO_ML_IOH
1403 tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
72aba2e2 1404 depends on X86 || COMPILE_TEST
92c33ef7
LW
1405 select GENERIC_IRQ_CHIP
1406 help
1407 ML7213 is companion chip for Intel Atom E6xx series.
1408 This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
1409 Hub) which is for IVI(In-Vehicle Infotainment) use.
1410 This driver can access the IOH's GPIO device.
1411
04c17aa8 1412config GPIO_PCH
868fea05 1413 tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
03744529 1414 depends on X86_32 || MIPS || COMPILE_TEST
38eb18a6 1415 select GENERIC_IRQ_CHIP
04c17aa8
TM
1416 help
1417 This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
1418 which is an IOH(Input/Output Hub) for x86 embedded processor.
1419 This driver can access PCH GPIO device.
1420
868fea05
TM
1421 This driver also can be used for LAPIS Semiconductor IOH(Input/
1422 Output Hub), ML7223 and ML7831.
bc786cce 1423 ML7223 IOH is for MP(Media Phone) use.
868fea05
TM
1424 ML7831 IOH is for general purpose use.
1425 ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1426 ML7223/ML7831 is completely compatible for Intel EG20T PCH.
bc786cce 1427
02e74fc0
WBG
1428config GPIO_PCI_IDIO_16
1429 tristate "ACCES PCI-IDIO-16 GPIO support"
1430 select GPIOLIB_IRQCHIP
1431 help
1432 Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1433 generated when any of the inputs change state (low to high or high to
1434 low). Input filter control is not supported by this driver, and the
1435 input filters are deactivated by this driver.
1436
58556204
WBG
1437config GPIO_PCIE_IDIO_24
1438 tristate "ACCES PCIe-IDIO-24 GPIO support"
1439 select GPIOLIB_IRQCHIP
1440 help
1441 Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1442 PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1443 when any of the inputs change state (low to high or high to low).
1444 Input filter control is not supported by this driver, and the input
1445 filters are deactivated by this driver.
1446
92c33ef7
LW
1447config GPIO_RDC321X
1448 tristate "RDC R-321x GPIO support"
92c33ef7
LW
1449 select MFD_CORE
1450 select MFD_RDC321X
49a36793 1451 help
92c33ef7
LW
1452 Support for the RDC R321x SoC GPIOs over southbridge
1453 PCI configuration space.
49a36793 1454
b43ab901
SAS
1455config GPIO_SODAVILLE
1456 bool "Intel Sodaville GPIO support"
03744529 1457 depends on X86 && OF
b43ab901
SAS
1458 select GPIO_GENERIC
1459 select GENERIC_IRQ_CHIP
1460 help
1461 Say Y here to support Intel Sodaville GPIO.
1462
177b0381 1463endmenu
35570ac6 1464
177b0381
LW
1465menu "SPI GPIO expanders"
1466 depends on SPI_MASTER
9956d02d 1467
a7ec2e7f
LW
1468config GPIO_74X164
1469 tristate "74x164 serial-in/parallel-out 8-bits shift register"
048c28c9 1470 depends on OF_GPIO
a7ec2e7f
LW
1471 help
1472 Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1473 shift registers. This driver can be used to provide access
1474 to more gpio outputs.
a9c5fff5 1475
b2f68edf
LW
1476config GPIO_MAX3191X
1477 tristate "Maxim MAX3191x industrial serializer"
1478 select CRC8
1479 help
1480 GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913,
1481 MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1482 chip to make 8 digital 24V inputs available via SPI. Supports
1483 CRC checksums to guard against electromagnetic interference,
1484 as well as undervoltage and overtemperature detection.
1485
0c36ec31
JB
1486config GPIO_MAX7301
1487 tristate "Maxim MAX7301 GPIO expander"
e952805d 1488 select GPIO_MAX730X
0c36ec31 1489 help
e952805d 1490 GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
0c36ec31 1491
1e5db006
RR
1492config GPIO_MC33880
1493 tristate "Freescale MC33880 high-side/low-side switch"
1e5db006
RR
1494 help
1495 SPI driver for Freescale MC33880 high-side/low-side switch.
1496 This provides GPIO interface supporting inputs and outputs.
1497
df6df93c
AD
1498config GPIO_PISOSR
1499 tristate "Generic parallel-in/serial-out shift register"
1500 help
1501 GPIO driver for SPI compatible parallel-in/serial-out shift
1502 registers. These are input only devices.
1503
5704520d
NH
1504config GPIO_XRA1403
1505 tristate "EXAR XRA1403 16-bit GPIO expander"
665dff99 1506 select REGMAP_SPI
5704520d
NH
1507 help
1508 GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
1509
856ed97a
MB
1510config GPIO_MOXTET
1511 tristate "Turris Mox Moxtet bus GPIO expander"
1512 depends on MOXTET
1513 help
1514 Say yes here if you are building for the Turris Mox router.
1515 This is the driver needed for configuring the GPIOs via the Moxtet
1516 bus. For example the Mox module with SFP cage needs this driver
1517 so that phylink can use corresponding GPIOs.
1518
0963670a
LW
1519endmenu
1520
177b0381
LW
1521menu "USB GPIO expanders"
1522 depends on USB
9d5b72de
LP
1523
1524config GPIO_VIPERBOARD
1525 tristate "Viperboard GPIO a & b support"
03744529 1526 depends on MFD_VIPERBOARD
9d5b72de
LP
1527 help
1528 Say yes here to access the GPIO signals of Nano River
1529 Technologies Viperboard. There are two GPIO chips on the
1530 board: gpioa and gpiob.
c42e34c9
EWI
1531 See viperboard API specification and Nano
1532 River Tech's viperboard.h for detailed meaning
1533 of the module parameters.
9d5b72de 1534
177b0381 1535endmenu
6732127f 1536
6e4484ee
BG
1537config GPIO_MOCKUP
1538 tristate "GPIO Testing Driver"
6e4484ee
BG
1539 select IRQ_SIM
1540 help
1541 This enables GPIO Testing driver, which provides a way to test GPIO
1542 subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
1543 must be selected for this test.
1544 User could use it through the script in
1545 tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
1546 it.
1547
7444a72e 1548endif