xref: /linux/drivers/gpio/Kconfig (revision 957ebb61a4761c1eb32c3f34db7ccfef2e1e95ae)
1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only
2a9c5fff5SDavid Brownell#
3e849dc04SLinus Walleij# GPIO infrastructure and drivers
4a9c5fff5SDavid Brownell#
5a9c5fff5SDavid Brownell
67563bbf8SMark Brownconfig ARCH_HAVE_CUSTOM_GPIO_H
77563bbf8SMark Brown	bool
87563bbf8SMark Brown	help
97563bbf8SMark Brown	  Selecting this config option from the architecture Kconfig allows
107563bbf8SMark Brown	  the architecture to provide a custom asm/gpio.h implementation
117563bbf8SMark Brown	  overriding the default implementations.  New uses of this are
127563bbf8SMark Brown	  strongly discouraged.
137563bbf8SMark Brown
147444a72eSMichael Bueschmenuconfig GPIOLIB
157444a72eSMichael Buesch	bool "GPIO Support"
167444a72eSMichael Buesch	help
177444a72eSMichael Buesch	  This enables GPIO support through the generic GPIO library.
187444a72eSMichael Buesch	  You only need to enable this, if you also want to enable
19e849dc04SLinus Walleij	  one or more of the GPIO drivers below.
207444a72eSMichael Buesch
217444a72eSMichael Buesch	  If unsure, say N.
227444a72eSMichael Buesch
237444a72eSMichael Bueschif GPIOLIB
24a9c5fff5SDavid Brownell
253027743fSLaura Abbottconfig GPIOLIB_FASTPATH_LIMIT
263027743fSLaura Abbott	int "Maximum number of GPIOs for fast path"
273027743fSLaura Abbott	range 32 512
283027743fSLaura Abbott	default 512
293027743fSLaura Abbott	help
303027743fSLaura Abbott	  This adjusts the point at which certain APIs will switch from
313027743fSLaura Abbott	  using a stack allocated buffer to a dynamically allocated buffer.
323027743fSLaura Abbott
333027743fSLaura Abbott	  You shouldn't need to change this unless you really need to
343027743fSLaura Abbott	  optimize either stack space or performance. Change this carefully
353027743fSLaura Abbott	  since setting an incorrect value could cause stack corruption.
363027743fSLaura Abbott
37f141ed65SGrant Likelyconfig OF_GPIO
38f141ed65SGrant Likely	def_bool y
3992c74bceSLinus Walleij	depends on OF
402527ecc9SLinus Walleij	depends on HAS_IOMEM
41f141ed65SGrant Likely
42e29482e8SMathias Nymanconfig GPIO_ACPI
43e29482e8SMathias Nyman	def_bool y
44e29482e8SMathias Nyman	depends on ACPI
45e29482e8SMathias Nyman
4614250520SLinus Walleijconfig GPIOLIB_IRQCHIP
47fc346270SLinus Walleij	select IRQ_DOMAIN
4814250520SLinus Walleij	bool
4914250520SLinus Walleij
50a9c5fff5SDavid Brownellconfig DEBUG_GPIO
51a9c5fff5SDavid Brownell	bool "Debug GPIO calls"
52a9c5fff5SDavid Brownell	depends on DEBUG_KERNEL
53a9c5fff5SDavid Brownell	help
54a9c5fff5SDavid Brownell	  Say Y here to add some extra checks and diagnostics to GPIO calls.
55692105b8SMatt LaPlante	  These checks help ensure that GPIOs have been properly initialized
56692105b8SMatt LaPlante	  before they are used, and that sleeping calls are not made from
57692105b8SMatt LaPlante	  non-sleeping contexts.  They can make bitbanged serial protocols
58a9c5fff5SDavid Brownell	  slower.  The diagnostics help catch the type of setup errors
59a9c5fff5SDavid Brownell	  that are most common when setting up new platforms or boards.
60a9c5fff5SDavid Brownell
61d8f388d8SDavid Brownellconfig GPIO_SYSFS
62d8f388d8SDavid Brownell	bool "/sys/class/gpio/... (sysfs interface)"
634c0ea233SKees Cook	depends on SYSFS
64d8f388d8SDavid Brownell	help
65db9477f8SLinus Walleij	  Say Y here to add the legacy sysfs interface for GPIOs.
66d8f388d8SDavid Brownell
67db9477f8SLinus Walleij	  This ABI is deprecated. If you want to use GPIO from userspace,
68db9477f8SLinus Walleij	  use the character device /dev/gpiochipN with the appropriate
69d143493cSKent Gibson	  ioctl() operations instead.
70d143493cSKent Gibson
71d143493cSKent Gibsonconfig GPIO_CDEV
72d143493cSKent Gibson	bool
73d143493cSKent Gibson	prompt "Character device (/dev/gpiochipN) support" if EXPERT
74d143493cSKent Gibson	default y
75d143493cSKent Gibson	help
76d143493cSKent Gibson	  Say Y here to add the character device /dev/gpiochipN interface
77d143493cSKent Gibson	  for GPIOs. The character device allows userspace to control GPIOs
78d143493cSKent Gibson	  using ioctl() operations.
79d143493cSKent Gibson
80d143493cSKent Gibson	  Only say N if you are sure that the GPIO character device is not
81d143493cSKent Gibson	  required.
82d143493cSKent Gibson
83d143493cSKent Gibson	  If unsure, say Y.
84d8f388d8SDavid Brownell
85*957ebb61SKent Gibsonconfig GPIO_CDEV_V1
86*957ebb61SKent Gibson	bool "Support GPIO ABI Version 1"
87*957ebb61SKent Gibson	default y
88*957ebb61SKent Gibson	depends on GPIO_CDEV
89*957ebb61SKent Gibson	help
90*957ebb61SKent Gibson	  Say Y here to support version 1 of the GPIO CDEV ABI.
91*957ebb61SKent Gibson
92*957ebb61SKent Gibson	  This ABI version is deprecated.
93*957ebb61SKent Gibson	  Please use the latest ABI for new developments.
94*957ebb61SKent Gibson
95*957ebb61SKent Gibson	  If unsure, say Y.
96*957ebb61SKent Gibson
97c103de24SGrant Likelyconfig GPIO_GENERIC
983085a4a4SLinus Walleij	depends on HAS_IOMEM # Only for IOMEM drivers
99c103de24SGrant Likely	tristate
100c103de24SGrant Likely
101ebe36319SMichael Walleconfig GPIO_REGMAP
102ebe36319SMichael Walle	depends on REGMAP
103ebe36319SMichael Walle	tristate
104ebe36319SMichael Walle
105e849dc04SLinus Walleij# put drivers in the right section, in alphabetical order
106a9c5fff5SDavid Brownell
107177b0381SLinus Walleij# This symbol is selected by both I2C and SPI expanders
108e952805dSWolfram Sangconfig GPIO_MAX730X
109e952805dSWolfram Sang	tristate
110e952805dSWolfram Sang
111177b0381SLinus Walleijmenu "Memory mapped GPIO drivers"
1123085a4a4SLinus Walleij	depends on HAS_IOMEM
1130bcb6069SJohn Linn
114af0a33e2SAlexander Shiyanconfig GPIO_74XX_MMIO
115af0a33e2SAlexander Shiyan	tristate "GPIO driver for 74xx-ICs with MMIO access"
116af0a33e2SAlexander Shiyan	depends on OF_GPIO
117af0a33e2SAlexander Shiyan	select GPIO_GENERIC
118af0a33e2SAlexander Shiyan	help
119af0a33e2SAlexander Shiyan	  Say yes here to support GPIO functionality for 74xx-compatible ICs
120af0a33e2SAlexander Shiyan	  with MMIO access. Compatible models include:
121af0a33e2SAlexander Shiyan	    1 bit:	741G125 (Input), 741G74 (Output)
122af0a33e2SAlexander Shiyan	    2 bits:	742G125 (Input), 7474 (Output)
123af0a33e2SAlexander Shiyan	    4 bits:	74125 (Input), 74175 (Output)
124af0a33e2SAlexander Shiyan	    6 bits:	74365 (Input), 74174 (Output)
125af0a33e2SAlexander Shiyan	    8 bits:	74244 (Input), 74273 (Output)
126af0a33e2SAlexander Shiyan	    16 bits:	741624 (Input), 7416374 (Output)
127af0a33e2SAlexander Shiyan
128223fa272SLinus Walleijconfig GPIO_ALTERA
129223fa272SLinus Walleij	tristate "Altera GPIO"
130223fa272SLinus Walleij	depends on OF_GPIO
131223fa272SLinus Walleij	select GPIOLIB_IRQCHIP
132223fa272SLinus Walleij	help
133223fa272SLinus Walleij	  Say Y or M here to build support for the Altera PIO device.
134223fa272SLinus Walleij
135223fa272SLinus Walleij	  If driver is built as a module it will be called gpio-altera.
136223fa272SLinus Walleij
1376057d40fSYD Tsengconfig GPIO_AMDPT
1386057d40fSYD Tseng	tristate "AMD Promontory GPIO support"
1396057d40fSYD Tseng	depends on ACPI
140574b782eSAxel Lin	select GPIO_GENERIC
1416057d40fSYD Tseng	help
1426057d40fSYD Tseng	  driver for GPIO functionality on Promontory IOHub
1436057d40fSYD Tseng	  Require ACPI ASL code to enumerate as a platform device.
1446057d40fSYD Tseng
145361b7911SJoel Stanleyconfig GPIO_ASPEED
146361b7911SJoel Stanley	tristate "Aspeed GPIO support"
147361b7911SJoel Stanley	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
148361b7911SJoel Stanley	select GPIOLIB_IRQCHIP
149361b7911SJoel Stanley	help
150361b7911SJoel Stanley	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
151361b7911SJoel Stanley
152f8b410e3SLinus Walleijconfig GPIO_ASPEED_SGPIO
153f8b410e3SLinus Walleij	bool "Aspeed SGPIO support"
154f8b410e3SLinus Walleij	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
155f8b410e3SLinus Walleij	select GPIO_GENERIC
156f8b410e3SLinus Walleij	select GPIOLIB_IRQCHIP
157f8b410e3SLinus Walleij	help
158f8b410e3SLinus Walleij	  Say Y here to support Aspeed AST2500 SGPIO functionality.
159f8b410e3SLinus Walleij
160ab32770eSAlban Bedelconfig GPIO_ATH79
161ab32770eSAlban Bedel	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
162ab32770eSAlban Bedel	default y if ATH79
163409d8783SAlban Bedel	depends on ATH79 || COMPILE_TEST
164ab32770eSAlban Bedel	select GPIO_GENERIC
1652b8f89e1SAlban Bedel	select GPIOLIB_IRQCHIP
166ab32770eSAlban Bedel	help
167ab32770eSAlban Bedel	  Select this option to enable GPIO driver for
168ab32770eSAlban Bedel	  Atheros AR71XX/AR724X/AR913X SoC devices.
169ab32770eSAlban Bedel
170a98d90e7SDave Stevensonconfig GPIO_RASPBERRYPI_EXP
171a98d90e7SDave Stevenson	tristate "Raspberry Pi 3 GPIO Expander"
172a98d90e7SDave Stevenson	default RASPBERRYPI_FIRMWARE
173a98d90e7SDave Stevenson	depends on OF_GPIO
17494337b72SBaruch Siach	# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
17594337b72SBaruch Siach	# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
1767ed91505SArnd Bergmann	depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
177a98d90e7SDave Stevenson	help
178a98d90e7SDave Stevenson	  Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
179a98d90e7SDave Stevenson	  the firmware mailbox to communicate with VideoCore on BCM283x chips.
180a98d90e7SDave Stevenson
181ea948cffSLinus Walleijconfig GPIO_BCM_KONA
182ea948cffSLinus Walleij	bool "Broadcom Kona GPIO"
183ea948cffSLinus Walleij	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
184ea948cffSLinus Walleij	help
185ea948cffSLinus Walleij	  Turn on GPIO support for Broadcom "Kona" chips.
186ea948cffSLinus Walleij
1876a41b6c5SChris Packhamconfig GPIO_BCM_XGS_IPROC
1886a41b6c5SChris Packham	tristate "BRCM XGS iProc GPIO support"
1896a41b6c5SChris Packham	depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST)
1906a41b6c5SChris Packham	select GPIO_GENERIC
1916a41b6c5SChris Packham	select GPIOLIB_IRQCHIP
1926a41b6c5SChris Packham	default ARCH_BCM_IPROC
1936a41b6c5SChris Packham	help
1946a41b6c5SChris Packham	  Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
1956a41b6c5SChris Packham
1963b0213d5SGregory Fongconfig GPIO_BRCMSTB
1973b0213d5SGregory Fong	tristate "BRCMSTB GPIO support"
198a02588a0SFlorian Fainelli	default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
199a02588a0SFlorian Fainelli	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
2003b0213d5SGregory Fong	select GPIO_GENERIC
2010ba31dc2SDoug Berger	select IRQ_DOMAIN
2023b0213d5SGregory Fong	help
2033b0213d5SGregory Fong	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
2043b0213d5SGregory Fong
20572ab2f76SJan Kotasconfig GPIO_CADENCE
20672ab2f76SJan Kotas	tristate "Cadence GPIO support"
20772ab2f76SJan Kotas	depends on OF_GPIO
20872ab2f76SJan Kotas	select GPIO_GENERIC
20972ab2f76SJan Kotas	select GPIOLIB_IRQCHIP
21072ab2f76SJan Kotas	help
21172ab2f76SJan Kotas	  Say yes here to enable support for Cadence GPIO controller.
21272ab2f76SJan Kotas
213a3b8d4a5SAlexander Shiyanconfig GPIO_CLPS711X
21455fe14abSAlexander Shiyan	tristate "CLPS711X GPIO support"
215ffd4bf1aSAlexander Shiyan	depends on ARCH_CLPS711X || COMPILE_TEST
21655fe14abSAlexander Shiyan	select GPIO_GENERIC
21755fe14abSAlexander Shiyan	help
21855fe14abSAlexander Shiyan	  Say yes here to support GPIO on CLPS711X SoCs.
219a3b8d4a5SAlexander Shiyan
220ee89cf63SGrygorii Strashkoconfig GPIO_DAVINCI
221ee89cf63SGrygorii Strashko	bool "TI Davinci/Keystone GPIO support"
222ee89cf63SGrygorii Strashko	default y if ARCH_DAVINCI
2236eeea326SKeerthy	depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)
224ee89cf63SGrygorii Strashko	help
225ee89cf63SGrygorii Strashko	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
226ee89cf63SGrygorii Strashko
2277779b345SJamie Ilesconfig GPIO_DWAPB
2287779b345SJamie Iles	tristate "Synopsys DesignWare APB GPIO driver"
2297779b345SJamie Iles	select GPIO_GENERIC
2300ea68393SSerge Semin	select GPIOLIB_IRQCHIP
2317779b345SJamie Iles	help
2327779b345SJamie Iles	  Say Y or M here to build support for the Synopsys DesignWare APB
2337779b345SJamie Iles	  GPIO block.
2347779b345SJamie Iles
23525518e02SBaolin Wangconfig GPIO_EIC_SPRD
23625518e02SBaolin Wang	tristate "Spreadtrum EIC support"
23725518e02SBaolin Wang	depends on ARCH_SPRD || COMPILE_TEST
23825518e02SBaolin Wang	depends on OF_GPIO
23925518e02SBaolin Wang	select GPIOLIB_IRQCHIP
24025518e02SBaolin Wang	help
24125518e02SBaolin Wang	  Say yes here to support Spreadtrum EIC device.
24225518e02SBaolin Wang
243a07e103eSMagnus Dammconfig GPIO_EM
244a07e103eSMagnus Damm	tristate "Emma Mobile GPIO"
24522eaf13cSPeter Robinson	depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
246a07e103eSMagnus Damm	help
247a07e103eSMagnus Damm	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.
248a07e103eSMagnus Damm
249c6b52c13SH Hartley Sweetenconfig GPIO_EP93XX
250c6b52c13SH Hartley Sweeten	def_bool y
251c6b52c13SH Hartley Sweeten	depends on ARCH_EP93XX
2521e4c8842SH Hartley Sweeten	select GPIO_GENERIC
253a419a3d9SLinus Walleij	select GPIOLIB_IRQCHIP
254c6b52c13SH Hartley Sweeten
2556596e59eSSudip Mukherjeeconfig GPIO_EXAR
2566596e59eSSudip Mukherjee	tristate "Support for GPIO pins on XR17V352/354/358"
2576596e59eSSudip Mukherjee	depends on SERIAL_8250_EXAR
2586596e59eSSudip Mukherjee	help
2596596e59eSSudip Mukherjee	  Selecting this option will enable handling of GPIO pins present
2606596e59eSSudip Mukherjee	  on Exar XR17V352/354/358 chips.
2616596e59eSSudip Mukherjee
262223fa272SLinus Walleijconfig GPIO_GE_FPGA
263223fa272SLinus Walleij	bool "GE FPGA based GPIO"
264223fa272SLinus Walleij	depends on GE_FPGA
265223fa272SLinus Walleij	select GPIO_GENERIC
266223fa272SLinus Walleij	help
267223fa272SLinus Walleij	  Support for common GPIO functionality provided on some GE Single Board
268223fa272SLinus Walleij	  Computers.
269223fa272SLinus Walleij
270223fa272SLinus Walleij	  This driver provides basic support (configure as input or output, read
271223fa272SLinus Walleij	  and write pin state) for GPIO implemented in a number of GE single
272223fa272SLinus Walleij	  board computers.
273223fa272SLinus Walleij
2749d3a15aaSLinus Walleijconfig GPIO_FTGPIO010
2759d3a15aaSLinus Walleij	bool "Faraday FTGPIO010 GPIO"
27649cec4d8SLinus Walleij	depends on OF_GPIO
27749cec4d8SLinus Walleij	select GPIO_GENERIC
27849cec4d8SLinus Walleij	select GPIOLIB_IRQCHIP
279d8307c09SLinus Walleij	default (ARCH_GEMINI || ARCH_MOXART)
28049cec4d8SLinus Walleij	help
2819d3a15aaSLinus Walleij	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
2829d3a15aaSLinus Walleij	  Cortina systems Gemini platforms, Moxa ART and others.
28349cec4d8SLinus Walleij
284223fa272SLinus Walleijconfig GPIO_GENERIC_PLATFORM
285223fa272SLinus Walleij	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
286223fa272SLinus Walleij	select GPIO_GENERIC
287223fa272SLinus Walleij	help
288223fa272SLinus Walleij	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
289223fa272SLinus Walleij
290223fa272SLinus Walleijconfig GPIO_GRGPIO
291223fa272SLinus Walleij	tristate "Aeroflex Gaisler GRGPIO support"
292048c28c9SLinus Walleij	depends on OF_GPIO
293223fa272SLinus Walleij	select GPIO_GENERIC
294223fa272SLinus Walleij	select IRQ_DOMAIN
295223fa272SLinus Walleij	help
296223fa272SLinus Walleij	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
297223fa272SLinus Walleij	  VHDL IP core library.
298223fa272SLinus Walleij
2998f55fed3SJonathan Neuschäferconfig GPIO_HLWD
3008f55fed3SJonathan Neuschäfer	tristate "Nintendo Wii (Hollywood) GPIO"
3018f55fed3SJonathan Neuschäfer	depends on OF_GPIO
3028f55fed3SJonathan Neuschäfer	select GPIO_GENERIC
303588de43cSJonathan Neuschäfer	select GPIOLIB_IRQCHIP
3048f55fed3SJonathan Neuschäfer	help
3058f55fed3SJonathan Neuschäfer	  Select this to support the GPIO controller of the Nintendo Wii.
3068f55fed3SJonathan Neuschäfer
3078f55fed3SJonathan Neuschäfer	  If unsure, say N.
3088f55fed3SJonathan Neuschäfer
309223fa272SLinus Walleijconfig GPIO_ICH
310223fa272SLinus Walleij	tristate "Intel ICH GPIO"
311223fa272SLinus Walleij	depends on PCI && X86
312223fa272SLinus Walleij	select MFD_CORE
313223fa272SLinus Walleij	select LPC_ICH
314223fa272SLinus Walleij	help
315223fa272SLinus Walleij	  Say yes here to support the GPIO functionality of a number of Intel
316223fa272SLinus Walleij	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
317223fa272SLinus Walleij	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
318223fa272SLinus Walleij	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
319223fa272SLinus Walleij
320223fa272SLinus Walleij	  If unsure, say N.
321223fa272SLinus Walleij
322223fa272SLinus Walleijconfig GPIO_IOP
323223fa272SLinus Walleij	tristate "Intel IOP GPIO"
32459d3ae9aSArnd Bergmann	depends on ARCH_IOP32X || COMPILE_TEST
3256d125412SAlexander Shiyan	select GPIO_GENERIC
326223fa272SLinus Walleij	help
327223fa272SLinus Walleij	  Say yes here to support the GPIO functionality of a number of Intel
328223fa272SLinus Walleij	  IOP32X or IOP33X.
329223fa272SLinus Walleij
330223fa272SLinus Walleij	  If unsure, say N.
331223fa272SLinus Walleij
332813e7d36SLinus Walleijconfig GPIO_IXP4XX
333813e7d36SLinus Walleij	bool "Intel IXP4xx GPIO"
334813e7d36SLinus Walleij	depends on ARM # For <asm/mach-types.h>
335813e7d36SLinus Walleij	depends on ARCH_IXP4XX
336813e7d36SLinus Walleij	select GPIO_GENERIC
337aa7d618aSLinus Walleij	select GPIOLIB_IRQCHIP
338813e7d36SLinus Walleij	select IRQ_DOMAIN_HIERARCHY
339813e7d36SLinus Walleij	help
340813e7d36SLinus Walleij	  Say yes here to support the GPIO functionality of a number of Intel
341813e7d36SLinus Walleij	  IXP4xx series of chips.
342813e7d36SLinus Walleij
343813e7d36SLinus Walleij	  If unsure, say N.
344c16485adSPaul Kocialkowskiconfig GPIO_LOGICVC
345c16485adSPaul Kocialkowski	tristate "Xylon LogiCVC GPIO support"
346c16485adSPaul Kocialkowski	depends on MFD_SYSCON && OF
347c16485adSPaul Kocialkowski	help
348c16485adSPaul Kocialkowski	  Say yes here to support GPIO functionality of the Xylon LogiCVC
349c16485adSPaul Kocialkowski	  programmable logic block.
350813e7d36SLinus Walleij
351223fa272SLinus Walleijconfig GPIO_LOONGSON
352223fa272SLinus Walleij	bool "Loongson-2/3 GPIO support"
353268a2d60SJiaxun Yang	depends on CPU_LOONGSON2EF || CPU_LOONGSON64
354223fa272SLinus Walleij	help
355223fa272SLinus Walleij	  driver for GPIO functionality on Loongson-2F/3A/3B processors.
356223fa272SLinus Walleij
35713a43fd9SJoachim Eastwoodconfig GPIO_LPC18XX
35854b72998SPaul Gortmaker	tristate "NXP LPC18XX/43XX GPIO support"
35913a43fd9SJoachim Eastwood	default y if ARCH_LPC18XX
36013a43fd9SJoachim Eastwood	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
3615ddabfe8SVladimir Zapolskiy	select IRQ_DOMAIN_HIERARCHY
36213a43fd9SJoachim Eastwood	help
36313a43fd9SJoachim Eastwood	  Select this option to enable GPIO driver for
36413a43fd9SJoachim Eastwood	  NXP LPC18XX/43XX devices.
36513a43fd9SJoachim Eastwood
366f2ee7314SArnd Bergmannconfig GPIO_LPC32XX
367f2ee7314SArnd Bergmann	tristate "NXP LPC32XX GPIO support"
368f2ee7314SArnd Bergmann	depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST)
369f2ee7314SArnd Bergmann	help
370f2ee7314SArnd Bergmann	  Select this option to enable GPIO driver for
371f2ee7314SArnd Bergmann	  NXP LPC32XX devices.
372f2ee7314SArnd Bergmann
3730da094d8SJassi Brarconfig GPIO_MB86S7X
374e1289dbaSArd Biesheuvel	tristate "GPIO support for Fujitsu MB86S7x Platforms"
3750da094d8SJassi Brar	help
3760da094d8SJassi Brar	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
3779af4d80bSFabian Vogt
378f436bc27SAndreas Wernerconfig GPIO_MENZ127
379f436bc27SAndreas Werner	tristate "MEN 16Z127 GPIO support"
380f436bc27SAndreas Werner	depends on MCB
381f436bc27SAndreas Werner	select GPIO_GENERIC
382f436bc27SAndreas Werner	help
383f436bc27SAndreas Werner	  Say yes here to support the MEN 16Z127 GPIO Controller
384f436bc27SAndreas Werner
3855238f7bcSJohn Crispinconfig GPIO_MM_LANTIQ
3865238f7bcSJohn Crispin	bool "Lantiq Memory mapped GPIOs"
3875238f7bcSJohn Crispin	depends on LANTIQ && SOC_XWAY
3885238f7bcSJohn Crispin	help
3895238f7bcSJohn Crispin	  This enables support for memory mapped GPIOs on the External Bus Unit
3905238f7bcSJohn Crispin	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
3915238f7bcSJohn Crispin	  created by attaching a 16bit latch to the bus.
3925238f7bcSJohn Crispin
3936eae1aceSGrant Likelyconfig GPIO_MPC5200
3946eae1aceSGrant Likely	def_bool y
3956eae1aceSGrant Likely	depends on PPC_MPC52xx
3966eae1aceSGrant Likely
397c68308ddSWolfram Sangconfig GPIO_MPC8XXX
3985df7fd46SLiu Gang	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
399c68308ddSWolfram Sang	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
4005df7fd46SLiu Gang		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
4015df7fd46SLiu Gang		   COMPILE_TEST
4025df7fd46SLiu Gang	select GPIO_GENERIC
403a8fa91a7SArnd Bergmann	select IRQ_DOMAIN
404c68308ddSWolfram Sang	help
405c68308ddSWolfram Sang	  Say Y here if you're going to use hardware that connects to the
4065df7fd46SLiu Gang	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
407c68308ddSWolfram Sang
4084ba9c3afSSergio Paracuellosconfig GPIO_MT7621
4094ba9c3afSSergio Paracuellos	bool "Mediatek MT7621 GPIO Support"
4104ba9c3afSSergio Paracuellos	depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST
4117a9a5df0SArnd Bergmann	depends on OF_GPIO
4124ba9c3afSSergio Paracuellos	select GPIO_GENERIC
4134ba9c3afSSergio Paracuellos	select GPIOLIB_IRQCHIP
4144ba9c3afSSergio Paracuellos	help
4154ba9c3afSSergio Paracuellos	  Say yes here to support the Mediatek MT7621 SoC GPIO device
4164ba9c3afSSergio Paracuellos
417fefe7b09SThomas Petazzoniconfig GPIO_MVEBU
418fefe7b09SThomas Petazzoni	def_bool y
4193b4c94bbSGregory CLEMENT	depends on PLAT_ORION || ARCH_MVEBU
420048c28c9SLinus Walleij	depends on OF_GPIO
421fefe7b09SThomas Petazzoni	select GENERIC_IRQ_CHIP
422f37e335fSGregory CLEMENT	select REGMAP_MMIO
423fefe7b09SThomas Petazzoni
424d37a65bbSShawn Guoconfig GPIO_MXC
42512d16b39SAnson Huang	tristate "i.MX GPIO support"
426d4e93614SAnson Huang	depends on ARCH_MXC || COMPILE_TEST
427c103de24SGrant Likely	select GPIO_GENERIC
428e4ea9333SShawn Guo	select GENERIC_IRQ_CHIP
429c103de24SGrant Likely
430c103de24SGrant Likelyconfig GPIO_MXS
431c103de24SGrant Likely	def_bool y
4326876ca31SAnson Huang	depends on ARCH_MXS || COMPILE_TEST
43306f88a8aSShawn Guo	select GPIO_GENERIC
434498c17cfSShawn Guo	select GENERIC_IRQ_CHIP
435d37a65bbSShawn Guo
436aca58a66SDavid Daneyconfig GPIO_OCTEON
437aca58a66SDavid Daney	tristate "Cavium OCTEON GPIO"
438e4c6a52cSGeert Uytterhoeven	depends on CAVIUM_OCTEON_SOC
439aca58a66SDavid Daney	default y
440aca58a66SDavid Daney	help
441aca58a66SDavid Daney	  Say yes here to support the on-chip GPIO lines on the OCTEON
442aca58a66SDavid Daney	  family of SOCs.
443aca58a66SDavid Daney
444cd0a3748SJavier Martinez Canillasconfig GPIO_OMAP
445cac089f9STony Lindgren	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
446cd0a3748SJavier Martinez Canillas	default y if ARCH_OMAP
4479d5d96efSArnd Bergmann	depends on ARM
4489d5d96efSArnd Bergmann	select GENERIC_IRQ_CHIP
449fb655f57SJavier Martinez Canillas	select GPIOLIB_IRQCHIP
450cd0a3748SJavier Martinez Canillas	help
451cd0a3748SJavier Martinez Canillas	  Say yes here to enable GPIO support for TI OMAP SoCs.
452cd0a3748SJavier Martinez Canillas
4531e9c2859SBaruch Siachconfig GPIO_PL061
45461684440SRob Herring	tristate "PrimeCell PL061 GPIO support"
4558a242842SRob Herring	depends on ARM_AMBA
456a5d6d271SAxel Lin	select IRQ_DOMAIN
4578d5b24bdSLinus Walleij	select GPIOLIB_IRQCHIP
4581e9c2859SBaruch Siach	help
4591e9c2859SBaruch Siach	  Say yes here to support the PrimeCell PL061 GPIO device
4601e9c2859SBaruch Siach
461348f3cdeSBaolin Wangconfig GPIO_PMIC_EIC_SPRD
462348f3cdeSBaolin Wang	tristate "Spreadtrum PMIC EIC support"
463348f3cdeSBaolin Wang	depends on MFD_SC27XX_PMIC || COMPILE_TEST
464348f3cdeSBaolin Wang	depends on OF_GPIO
465348f3cdeSBaolin Wang	select GPIOLIB_IRQCHIP
466348f3cdeSBaolin Wang	help
467348f3cdeSBaolin Wang	  Say yes here to support Spreadtrum PMIC EIC device.
468348f3cdeSBaolin Wang
469157d2644SHaojian Zhuangconfig GPIO_PXA
470157d2644SHaojian Zhuang	bool "PXA GPIO support"
47122e4ebd0STiezhu Yang	depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
472157d2644SHaojian Zhuang	help
473157d2644SHaojian Zhuang	  Say yes here to support the PXA GPIO device
474157d2644SHaojian Zhuang
475119f5e44SMagnus Dammconfig GPIO_RCAR
476119f5e44SMagnus Damm	tristate "Renesas R-Car GPIO"
4772af66e1dSSimon Horman	depends on ARCH_RENESAS || COMPILE_TEST
478c7f3c5d3SGeert Uytterhoeven	select GPIOLIB_IRQCHIP
479119f5e44SMagnus Damm	help
480119f5e44SMagnus Damm	  Say yes here to support GPIO on Renesas R-Car SoCs.
481119f5e44SMagnus Damm
482d57eb825SManivannan Sadhasivamconfig GPIO_RDA
483d57eb825SManivannan Sadhasivam	bool "RDA Micro GPIO controller support"
484d57eb825SManivannan Sadhasivam	depends on ARCH_RDA || COMPILE_TEST
485d57eb825SManivannan Sadhasivam	depends on OF_GPIO
486d57eb825SManivannan Sadhasivam	select GPIO_GENERIC
487d57eb825SManivannan Sadhasivam	select GPIOLIB_IRQCHIP
488d57eb825SManivannan Sadhasivam	help
489d57eb825SManivannan Sadhasivam	  Say Y here to support RDA Micro GPIO controller.
490d57eb825SManivannan Sadhasivam
491380639c7SRussell Kingconfig GPIO_REG
492380639c7SRussell King	bool
493380639c7SRussell King	help
494380639c7SRussell King	  A 32-bit single register GPIO fixed in/out implementation.  This
495380639c7SRussell King	  can be used to represent any register as a set of GPIO signals.
496380639c7SRussell King
497fb0b35d3SAndrei.Stefanescu@microchip.comconfig GPIO_SAMA5D2_PIOBU
498fb0b35d3SAndrei.Stefanescu@microchip.com	tristate "SAMA5D2 PIOBU GPIO support"
499fb0b35d3SAndrei.Stefanescu@microchip.com	depends on MFD_SYSCON
500a7c23f8dSLinus Walleij	depends on OF_GPIO
501fb0b35d3SAndrei.Stefanescu@microchip.com	select GPIO_SYSCON
502fb0b35d3SAndrei.Stefanescu@microchip.com	help
503fb0b35d3SAndrei.Stefanescu@microchip.com	  Say yes here to use the PIOBU pins as GPIOs.
504fb0b35d3SAndrei.Stefanescu@microchip.com
505fb0b35d3SAndrei.Stefanescu@microchip.com	  PIOBU pins on the SAMA5D2 can be used as GPIOs.
506fb0b35d3SAndrei.Stefanescu@microchip.com	  The difference from regular GPIOs is that they
507fb0b35d3SAndrei.Stefanescu@microchip.com	  maintain their value during backup/self-refresh.
508fb0b35d3SAndrei.Stefanescu@microchip.com
50996868dceSYash Shahconfig GPIO_SIFIVE
51096868dceSYash Shah	bool "SiFive GPIO support"
51196868dceSYash Shah	depends on OF_GPIO && IRQ_DOMAIN_HIERARCHY
51296868dceSYash Shah	select GPIO_GENERIC
51396868dceSYash Shah	select GPIOLIB_IRQCHIP
51496868dceSYash Shah	select REGMAP_MMIO
51596868dceSYash Shah	help
51696868dceSYash Shah	  Say yes here to support the GPIO device on SiFive SoCs.
51796868dceSYash Shah
518be8c8facSUwe Kleine-Königconfig GPIO_SIOX
519be8c8facSUwe Kleine-König	tristate "SIOX GPIO support"
520be8c8facSUwe Kleine-König	depends on SIOX
521be8c8facSUwe Kleine-König	select GPIOLIB_IRQCHIP
522be8c8facSUwe Kleine-König	help
523be8c8facSUwe Kleine-König	  Say yes here to support SIOX I/O devices. These are units connected
524be8c8facSUwe Kleine-König	  via a SIOX bus and have a number of fixed-direction I/O lines.
525be8c8facSUwe Kleine-König
5262505c7b0SEugeniy Paltsevconfig GPIO_SNPS_CREG
5272505c7b0SEugeniy Paltsev	bool "Synopsys GPIO via CREG (Control REGisters) driver"
5282505c7b0SEugeniy Paltsev	depends on ARC || COMPILE_TEST
529a7c0b4b8SRandy Dunlap	depends on OF_GPIO
5302505c7b0SEugeniy Paltsev	help
5312505c7b0SEugeniy Paltsev	  This driver supports GPIOs via CREG on various Synopsys SoCs.
5322505c7b0SEugeniy Paltsev	  This is a single-register MMIO GPIO driver for complex cases
5332505c7b0SEugeniy Paltsev	  where only several fields in register belong to GPIO lines and
5342505c7b0SEugeniy Paltsev	  each GPIO line owns a field with different length and on/off value.
5352505c7b0SEugeniy Paltsev
536b53bc281SShiraz Hashimconfig GPIO_SPEAR_SPICS
537b53bc281SShiraz Hashim	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
538b53bc281SShiraz Hashim	depends on PLAT_SPEAR
539b53bc281SShiraz Hashim	select GENERIC_IRQ_CHIP
540b53bc281SShiraz Hashim	help
541b53bc281SShiraz Hashim	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device
542b53bc281SShiraz Hashim
5439a3821c2SBaolin Wangconfig GPIO_SPRD
5449a3821c2SBaolin Wang	tristate "Spreadtrum GPIO support"
5459a3821c2SBaolin Wang	depends on ARCH_SPRD || COMPILE_TEST
5469a3821c2SBaolin Wang	depends on OF_GPIO
5479a3821c2SBaolin Wang	select GPIOLIB_IRQCHIP
5489a3821c2SBaolin Wang	help
5499a3821c2SBaolin Wang	  Say yes here to support Spreadtrum GPIO device.
5509a3821c2SBaolin Wang
5517b0d44f3SAlessandro Rubiniconfig GPIO_STA2X11
5527b0d44f3SAlessandro Rubini	bool "STA2x11/ConneXt GPIO support"
5537b0d44f3SAlessandro Rubini	depends on MFD_STA2X11
5547b0d44f3SAlessandro Rubini	select GENERIC_IRQ_CHIP
5557b0d44f3SAlessandro Rubini	help
5567b0d44f3SAlessandro Rubini	  Say yes here to support the STA2x11/ConneXt GPIO device.
5577b0d44f3SAlessandro Rubini	  The GPIO module has 128 GPIO pins with alternate functions.
5587b0d44f3SAlessandro Rubini
559be9cab5bSLinus Walleijconfig GPIO_STP_XWAY
560be9cab5bSLinus Walleij	bool "XWAY STP GPIOs"
5615099837dSMartin Blumenstingl	depends on SOC_XWAY || COMPILE_TEST
5625099837dSMartin Blumenstingl	depends on OF_GPIO
563be9cab5bSLinus Walleij	help
564be9cab5bSLinus Walleij	  This enables support for the Serial To Parallel (STP) unit found on
565be9cab5bSLinus Walleij	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
566be9cab5bSLinus Walleij	  that can be up to 24 bit. This peripheral is aimed at driving leds.
567be9cab5bSLinus Walleij	  Some of the gpios/leds can be auto updated by the soc with dsl and
568be9cab5bSLinus Walleij	  phy status.
569be9cab5bSLinus Walleij
5706a8a0c1dSAlexander Shiyanconfig GPIO_SYSCON
5716a8a0c1dSAlexander Shiyan	tristate "GPIO based on SYSCON"
5726a8a0c1dSAlexander Shiyan	depends on MFD_SYSCON && OF
5736a8a0c1dSAlexander Shiyan	help
5746a8a0c1dSAlexander Shiyan	  Say yes here to support GPIO functionality though SYSCON driver.
5756a8a0c1dSAlexander Shiyan
576223fa272SLinus Walleijconfig GPIO_TB10X
577223fa272SLinus Walleij	bool
5780d1e31abSLinus Walleij	select GPIO_GENERIC
579223fa272SLinus Walleij	select GENERIC_IRQ_CHIP
580223fa272SLinus Walleij	select OF_GPIO
581223fa272SLinus Walleij
5824dd4dd1dSAlexander Steinconfig GPIO_TEGRA
5830bfb85c6SArnd Bergmann	bool "NVIDIA Tegra GPIO support"
5840bfb85c6SArnd Bergmann	default ARCH_TEGRA
5854dd4dd1dSAlexander Stein	depends on ARCH_TEGRA || COMPILE_TEST
586048c28c9SLinus Walleij	depends on OF_GPIO
5870bfb85c6SArnd Bergmann	help
5880bfb85c6SArnd Bergmann	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
5894dd4dd1dSAlexander Stein
5905b2b135aSThierry Redingconfig GPIO_TEGRA186
5915b2b135aSThierry Reding	tristate "NVIDIA Tegra186 GPIO support"
592286e7beaSThierry Reding	default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
593286e7beaSThierry Reding	depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
5945b2b135aSThierry Reding	depends on OF_GPIO
5955b2b135aSThierry Reding	select GPIOLIB_IRQCHIP
5962a365505SThierry Reding	select IRQ_DOMAIN_HIERARCHY
5975b2b135aSThierry Reding	help
5985b2b135aSThierry Reding	  Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
5995b2b135aSThierry Reding
6005041e791SJulien Grossholtzconfig GPIO_TS4800
6015041e791SJulien Grossholtz	tristate "TS-4800 DIO blocks and compatibles"
6025041e791SJulien Grossholtz	depends on OF_GPIO
6036dcfd729SJulien Grossholtz	depends on SOC_IMX51 || COMPILE_TEST
6045041e791SJulien Grossholtz	select GPIO_GENERIC
6055041e791SJulien Grossholtz	help
6065041e791SJulien Grossholtz	  This driver support TS-4800 FPGA GPIO controllers.
6075041e791SJulien Grossholtz
6085a2a3002SDavid Daneyconfig GPIO_THUNDERX
6095a2a3002SDavid Daney	tristate "Cavium ThunderX/OCTEON-TX GPIO"
6105a2a3002SDavid Daney	depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
611311de3ceSMasahiro Yamada	depends on PCI_MSI
612a7fc89f9SLinus Walleij	select GPIOLIB_IRQCHIP
613311de3ceSMasahiro Yamada	select IRQ_DOMAIN_HIERARCHY
6145a2a3002SDavid Daney	select IRQ_FASTEOI_HIERARCHY_HANDLERS
6155a2a3002SDavid Daney	help
6165a2a3002SDavid Daney	  Say yes here to support the on-chip GPIO lines on the ThunderX
6175a2a3002SDavid Daney	  and OCTEON-TX families of SoCs.
6185a2a3002SDavid Daney
619dbe776c2SMasahiro Yamadaconfig GPIO_UNIPHIER
620dbe776c2SMasahiro Yamada	tristate "UniPhier GPIO support"
621dbe776c2SMasahiro Yamada	depends on ARCH_UNIPHIER || COMPILE_TEST
622dbe776c2SMasahiro Yamada	depends on OF_GPIO
623dbe776c2SMasahiro Yamada	select IRQ_DOMAIN_HIERARCHY
624dbe776c2SMasahiro Yamada	help
625dbe776c2SMasahiro Yamada	  Say yes here to support UniPhier GPIOs.
626dbe776c2SMasahiro Yamada
6277f2691a1SStefan Agnerconfig GPIO_VF610
6287f2691a1SStefan Agner	def_bool y
6297f2691a1SStefan Agner	depends on ARCH_MXC && SOC_VF610
6307f2691a1SStefan Agner	select GPIOLIB_IRQCHIP
6317f2691a1SStefan Agner	help
6327f2691a1SStefan Agner	  Say yes here to support Vybrid vf610 GPIOs.
6337f2691a1SStefan Agner
634223fa272SLinus Walleijconfig GPIO_VR41XX
635223fa272SLinus Walleij	tristate "NEC VR4100 series General-purpose I/O Uint support"
636223fa272SLinus Walleij	depends on CPU_VR41XX
637223fa272SLinus Walleij	help
638223fa272SLinus Walleij	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
639223fa272SLinus Walleij
640223fa272SLinus Walleijconfig GPIO_VX855
641223fa272SLinus Walleij	tristate "VIA VX855/VX875 GPIO"
64272aba2e2SPeter Robinson	depends on (X86 || COMPILE_TEST) && PCI
643223fa272SLinus Walleij	select MFD_CORE
644223fa272SLinus Walleij	select MFD_VX855
645223fa272SLinus Walleij	help
646223fa272SLinus Walleij	  Support access to the VX855/VX875 GPIO lines through the gpio library.
647223fa272SLinus Walleij
648223fa272SLinus Walleij	  This driver provides common support for accessing the device,
649223fa272SLinus Walleij	  additional drivers must be enabled in order to use the
650223fa272SLinus Walleij	  functionality of the device.
651223fa272SLinus Walleij
65259c32468SSrinivas Kandagatlaconfig GPIO_WCD934X
65359c32468SSrinivas Kandagatla	tristate "Qualcomm Technologies Inc WCD9340/WCD9341 gpio controller driver"
65459c32468SSrinivas Kandagatla	depends on MFD_WCD934X && OF_GPIO
65559c32468SSrinivas Kandagatla	help
65659c32468SSrinivas Kandagatla         This driver is to supprot GPIO block found on the Qualcomm Technologies
65759c32468SSrinivas Kandagatla	 Inc WCD9340/WCD9341 Audio Codec.
65859c32468SSrinivas Kandagatla
65929cbf458SFeng Kanconfig GPIO_XGENE
66029cbf458SFeng Kan	bool "APM X-Gene GPIO controller support"
66129cbf458SFeng Kan	depends on ARM64 && OF_GPIO
66229cbf458SFeng Kan	help
66329cbf458SFeng Kan	  This driver is to support the GPIO block within the APM X-Gene SoC
66429cbf458SFeng Kan	  platform's generic flash controller. The GPIO pins are muxed with
66529cbf458SFeng Kan	  the generic flash controller's address and data pins. Say yes
66629cbf458SFeng Kan	  here to enable the GFC GPIO functionality.
66729cbf458SFeng Kan
668b2b35e10SY Voconfig GPIO_XGENE_SB
669b2b35e10SY Vo	tristate "APM X-Gene GPIO standby controller support"
670b24bc583SAndy Shevchenko	depends on (ARCH_XGENE || COMPILE_TEST)
671b2b35e10SY Vo	select GPIO_GENERIC
672e5f7e312SMatthias Brugger	select GPIOLIB_IRQCHIP
673c23d200fSMasahiro Yamada	select IRQ_DOMAIN_HIERARCHY
674b2b35e10SY Vo	help
675b2b35e10SY Vo	  This driver supports the GPIO block within the APM X-Gene
676b2b35e10SY Vo	  Standby Domain. Say yes here to enable the GPIO functionality.
677b2b35e10SY Vo
6780bcb6069SJohn Linnconfig GPIO_XILINX
679c54c58baSRicardo Ribalda Delgado	tristate "Xilinx GPIO support"
6800bcb6069SJohn Linn	help
6810bcb6069SJohn Linn	  Say yes here to support the Xilinx FPGA GPIO device
6820bcb6069SJohn Linn
683ff718800SKamlakant Patelconfig GPIO_XLP
684ff718800SKamlakant Patel	tristate "Netlogic XLP GPIO support"
685240d3d5bSJayachandran C	depends on OF_GPIO && (CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST)
686ff718800SKamlakant Patel	select GPIOLIB_IRQCHIP
687ff718800SKamlakant Patel	help
688ff718800SKamlakant Patel	  This driver provides support for GPIO interface on Netlogic XLP MIPS64
689ff718800SKamlakant Patel	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
690240d3d5bSJayachandran C	  XLP9XX and XLP5XX. The same GPIO controller block is also present in
691240d3d5bSJayachandran C	  Cavium's ThunderX2 CN99XX SoCs.
692ff718800SKamlakant Patel
693ff718800SKamlakant Patel	  If unsure, say N.
694ff718800SKamlakant Patel
6953b31d0ecSBaruch Siachconfig GPIO_XTENSA
6963b31d0ecSBaruch Siach	bool "Xtensa GPIO32 support"
6973b31d0ecSBaruch Siach	depends on XTENSA
698a1a2bdecSBaruch Siach	depends on HAVE_XTENSA_GPIO32
6993b31d0ecSBaruch Siach	depends on !SMP
7003b31d0ecSBaruch Siach	help
7013b31d0ecSBaruch Siach	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
7023b31d0ecSBaruch Siach	  and EXPSTATE (output) ports
7033b31d0ecSBaruch Siach
704223fa272SLinus Walleijconfig GPIO_ZEVIO
705223fa272SLinus Walleij	bool "LSI ZEVIO SoC memory mapped GPIOs"
706223fa272SLinus Walleij	depends on ARM && OF_GPIO
70727fdd325SYoichi Yuasa	help
708223fa272SLinus Walleij	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
70927fdd325SYoichi Yuasa
710223fa272SLinus Walleijconfig GPIO_ZYNQ
711223fa272SLinus Walleij	tristate "Xilinx Zynq GPIO support"
712bdf7a4aeSAnurag Kumar Vulisha	depends on ARCH_ZYNQ || ARCH_ZYNQMP
7137f87210eSMika Westerberg	select GPIOLIB_IRQCHIP
7141d09aaa6SMathias Nyman	help
715223fa272SLinus Walleij	  Say yes here to support Xilinx Zynq GPIO controller.
7161d09aaa6SMathias Nyman
7170963670aSLinus Walleijconfig GPIO_ZX
7180963670aSLinus Walleij	bool "ZTE ZX GPIO support"
719752fda89SPeter Robinson	depends on ARCH_ZX || COMPILE_TEST
7200963670aSLinus Walleij	select GPIOLIB_IRQCHIP
7210963670aSLinus Walleij	help
7220963670aSLinus Walleij	  Say yes here to support the GPIO device on ZTE ZX SoCs.
7230963670aSLinus Walleij
724bd37c999SKelvin Cheungconfig GPIO_LOONGSON1
725bd37c999SKelvin Cheung	tristate "Loongson1 GPIO support"
726bd37c999SKelvin Cheung	depends on MACH_LOONGSON32
727bd37c999SKelvin Cheung	select GPIO_GENERIC
728bd37c999SKelvin Cheung	help
729bd37c999SKelvin Cheung	  Say Y or M here to support GPIO on Loongson1 SoCs.
730bd37c999SKelvin Cheung
731e09d168fSEnrico Weigelt, metux IT consultconfig GPIO_AMD_FCH
732e09d168fSEnrico Weigelt, metux IT consult	tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
733e09d168fSEnrico Weigelt, metux IT consult	help
734e09d168fSEnrico Weigelt, metux IT consult	  This option enables driver for GPIO on AMDs Fusion Controller Hub,
735e09d168fSEnrico Weigelt, metux IT consult	  as found on G-series SOCs (eg. GX-412TC)
736e09d168fSEnrico Weigelt, metux IT consult
737e09d168fSEnrico Weigelt, metux IT consult	  Note: This driver doesn't registers itself automatically, as it
738e09d168fSEnrico Weigelt, metux IT consult	  needs to be provided with platform specific configuration.
739e09d168fSEnrico Weigelt, metux IT consult	  (See eg. CONFIG_PCENGINES_APU2.)
740177b0381SLinus Walleijendmenu
741177b0381SLinus Walleij
742bc6a73bbSLinus Walleijmenu "Port-mapped I/O GPIO drivers"
7437768feb0SLinus Walleij	depends on X86 # Unconditional I/O space access
744bc6a73bbSLinus Walleij
7451b06d64fSWilliam Breathitt Grayconfig GPIO_104_DIO_48E
7461b06d64fSWilliam Breathitt Gray	tristate "ACCES 104-DIO-48E GPIO support"
74735decc80SWilliam Breathitt Gray	depends on PC104
74835decc80SWilliam Breathitt Gray	select ISA_BUS_API
7491b06d64fSWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
7501b06d64fSWilliam Breathitt Gray	help
7514c23db0fSWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
7524c23db0fSWilliam Breathitt Gray	  104-DIO-24E). The base port addresses for the devices may be
7534c23db0fSWilliam Breathitt Gray	  configured via the base module parameter. The interrupt line numbers
7544c23db0fSWilliam Breathitt Gray	  for the devices may be configured via the irq module parameter.
7551b06d64fSWilliam Breathitt Gray
756bc6a73bbSLinus Walleijconfig GPIO_104_IDIO_16
757bc6a73bbSLinus Walleij	tristate "ACCES 104-IDIO-16 GPIO support"
75835decc80SWilliam Breathitt Gray	depends on PC104
75935decc80SWilliam Breathitt Gray	select ISA_BUS_API
760a1184147SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
761bc6a73bbSLinus Walleij	help
76286ea8a95SWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
76386ea8a95SWilliam Breathitt Gray	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
76486ea8a95SWilliam Breathitt Gray	  base port addresses for the devices may be configured via the base
76586ea8a95SWilliam Breathitt Gray	  module parameter. The interrupt line numbers for the devices may be
76686ea8a95SWilliam Breathitt Gray	  configured via the irq module parameter.
767bc6a73bbSLinus Walleij
7686ddcf9b4SWilliam Breathitt Grayconfig GPIO_104_IDI_48
7696ddcf9b4SWilliam Breathitt Gray	tristate "ACCES 104-IDI-48 GPIO support"
77035decc80SWilliam Breathitt Gray	depends on PC104
77135decc80SWilliam Breathitt Gray	select ISA_BUS_API
7726ddcf9b4SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
7736ddcf9b4SWilliam Breathitt Gray	help
77472bf7443SWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
77572bf7443SWilliam Breathitt Gray	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
77672bf7443SWilliam Breathitt Gray	  the devices may be configured via the base module parameter. The
77772bf7443SWilliam Breathitt Gray	  interrupt line numbers for the devices may be configured via the irq
77872bf7443SWilliam Breathitt Gray	  module parameter.
7796ddcf9b4SWilliam Breathitt Gray
780bc6a73bbSLinus Walleijconfig GPIO_F7188X
7811920906fSPeter Hung	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
782bc6a73bbSLinus Walleij	help
783bc6a73bbSLinus Walleij	  This option enables support for GPIOs found on Fintek Super-I/O
7841920906fSPeter Hung	  chips F71869, F71869A, F71882FG, F71889F and F81866.
785bc6a73bbSLinus Walleij
786bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
787bc6a73bbSLinus Walleij	  be called f7188x-gpio.
788bc6a73bbSLinus Walleij
7896ea5dcdfSWilliam Breathitt Grayconfig GPIO_GPIO_MM
7906ea5dcdfSWilliam Breathitt Gray	tristate "Diamond Systems GPIO-MM GPIO support"
79135decc80SWilliam Breathitt Gray	depends on PC104
79235decc80SWilliam Breathitt Gray	select ISA_BUS_API
7936ea5dcdfSWilliam Breathitt Gray	help
7946ea5dcdfSWilliam Breathitt Gray	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
7956ea5dcdfSWilliam Breathitt Gray
7966ea5dcdfSWilliam Breathitt Gray	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
7976ea5dcdfSWilliam Breathitt Gray	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO
7986ea5dcdfSWilliam Breathitt Gray	  support for these 48 channels of digital I/O.
7996ea5dcdfSWilliam Breathitt Gray
8006ea5dcdfSWilliam Breathitt Gray	  The base port addresses for the devices may be configured via the base
8016ea5dcdfSWilliam Breathitt Gray	  array module parameter.
8026ea5dcdfSWilliam Breathitt Gray
803bc6a73bbSLinus Walleijconfig GPIO_IT87
804bc6a73bbSLinus Walleij	tristate "IT87xx GPIO support"
805bc6a73bbSLinus Walleij	help
806bc6a73bbSLinus Walleij	  Say yes here to support GPIO functionality of IT87xx Super I/O chips.
807bc6a73bbSLinus Walleij
808bc6a73bbSLinus Walleij	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
809a5ec96ddSLeonid Bloch	  supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as
810a5ec96ddSLeonid Bloch	  well.
811bc6a73bbSLinus Walleij
812bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
813bc6a73bbSLinus Walleij	  be called gpio_it87
814bc6a73bbSLinus Walleij
815bc6a73bbSLinus Walleijconfig GPIO_SCH
816bc6a73bbSLinus Walleij	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
81772aba2e2SPeter Robinson	depends on (X86 || COMPILE_TEST) && PCI
818bc6a73bbSLinus Walleij	select MFD_CORE
819bc6a73bbSLinus Walleij	select LPC_SCH
820bc6a73bbSLinus Walleij	help
821bc6a73bbSLinus Walleij	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
822bc6a73bbSLinus Walleij	  Intel Tunnel Creek processor, Intel Centerton processor or
823bc6a73bbSLinus Walleij	  Intel Quark X1000 SoC.
824bc6a73bbSLinus Walleij
825bc6a73bbSLinus Walleij	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
826bc6a73bbSLinus Walleij	  powered by the core power rail and are turned off during sleep
827bc6a73bbSLinus Walleij	  modes (S3 and higher). The remaining four GPIOs are powered by
828bc6a73bbSLinus Walleij	  the Intel SCH suspend power supply. These GPIOs remain
829bc6a73bbSLinus Walleij	  active during S3. The suspend powered GPIOs can be used to wake the
830bc6a73bbSLinus Walleij	  system from the Suspend-to-RAM state.
831bc6a73bbSLinus Walleij
832bc6a73bbSLinus Walleij	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
833bc6a73bbSLinus Walleij	  core power rail and 9 from suspend power supply.
834bc6a73bbSLinus Walleij
835bc6a73bbSLinus Walleij	  The Intel Centerton processor has a total of 30 GPIO pins.
836bc6a73bbSLinus Walleij	  Twenty-one are powered by the core power rail and 9 from the
837bc6a73bbSLinus Walleij	  suspend power supply.
838bc6a73bbSLinus Walleij
839bc6a73bbSLinus Walleij	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
840bc6a73bbSLinus Walleij	  power well and 6 from the suspend power well.
841bc6a73bbSLinus Walleij
842bc6a73bbSLinus Walleijconfig GPIO_SCH311X
843bc6a73bbSLinus Walleij	tristate "SMSC SCH311x SuperI/O GPIO"
844bc6a73bbSLinus Walleij	help
845bc6a73bbSLinus Walleij	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
846bc6a73bbSLinus Walleij	  SCH3116 "Super I/O" chipsets.
847bc6a73bbSLinus Walleij
848bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
849bc6a73bbSLinus Walleij	  be called gpio-sch311x.
850bc6a73bbSLinus Walleij
851bc6a73bbSLinus Walleijconfig GPIO_TS5500
852bc6a73bbSLinus Walleij	tristate "TS-5500 DIO blocks and compatibles"
853bc6a73bbSLinus Walleij	depends on TS5500 || COMPILE_TEST
854bc6a73bbSLinus Walleij	help
855bc6a73bbSLinus Walleij	  This driver supports Digital I/O exposed by pin blocks found on some
856bc6a73bbSLinus Walleij	  Technologic Systems platforms. It includes, but is not limited to, 3
857bc6a73bbSLinus Walleij	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
858bc6a73bbSLinus Walleij	  LCD port.
859bc6a73bbSLinus Walleij
860a0d65009SMaciej S. Szmigieroconfig GPIO_WINBOND
861a0d65009SMaciej S. Szmigiero	tristate "Winbond Super I/O GPIO support"
862b995ff3bSMaciej S. Szmigiero	select ISA_BUS_API
863a0d65009SMaciej S. Szmigiero	help
864a0d65009SMaciej S. Szmigiero	  This option enables support for GPIOs found on Winbond Super I/O
865a0d65009SMaciej S. Szmigiero	  chips.
866a0d65009SMaciej S. Szmigiero	  Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is
867a0d65009SMaciej S. Szmigiero	  supported.
868a0d65009SMaciej S. Szmigiero
869a0d65009SMaciej S. Szmigiero	  You will need to provide a module parameter "gpios", or a
870a0d65009SMaciej S. Szmigiero	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
871a0d65009SMaciej S. Szmigiero	  ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
872a0d65009SMaciej S. Szmigiero
873a0d65009SMaciej S. Szmigiero	  To compile this driver as a module, choose M here: the module will
874a0d65009SMaciej S. Szmigiero	  be called gpio-winbond.
875a0d65009SMaciej S. Szmigiero
8769c26df9bSWilliam Breathitt Grayconfig GPIO_WS16C48
8779c26df9bSWilliam Breathitt Gray	tristate "WinSystems WS16C48 GPIO support"
87835decc80SWilliam Breathitt Gray	select ISA_BUS_API
8799c26df9bSWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
8809c26df9bSWilliam Breathitt Gray	help
881cc736607SWilliam Breathitt Gray	  Enables GPIO support for the WinSystems WS16C48. The base port
882cc736607SWilliam Breathitt Gray	  addresses for the devices may be configured via the base module
883cc736607SWilliam Breathitt Gray	  parameter. The interrupt line numbers for the devices may be
884cc736607SWilliam Breathitt Gray	  configured via the irq module parameter.
8859c26df9bSWilliam Breathitt Gray
886bc6a73bbSLinus Walleijendmenu
887bc6a73bbSLinus Walleij
888177b0381SLinus Walleijmenu "I2C GPIO expanders"
889177b0381SLinus Walleij	depends on I2C
890a9c5fff5SDavid Brownell
891bf5a16baSLinus Walleijconfig GPIO_ADP5588
892bf5a16baSLinus Walleij	tristate "ADP5588 I2C GPIO expander"
89331ba56f2SMark Brown	help
894bf5a16baSLinus Walleij	  This option enables support for 18 GPIOs found
895bf5a16baSLinus Walleij	  on Analog Devices ADP5588 GPIO Expanders.
896e952805dSWolfram Sang
897bf5a16baSLinus Walleijconfig GPIO_ADP5588_IRQ
898bf5a16baSLinus Walleij	bool "Interrupt controller support for ADP5588"
899bf5a16baSLinus Walleij	depends on GPIO_ADP5588=y
900e9646f0fSRandy Dunlap	select GPIOLIB_IRQCHIP
901bbcd6d54SEric Miao	help
902bf5a16baSLinus Walleij	  Say yes here to enable the adp5588 to be used as an interrupt
903bf5a16baSLinus Walleij	  controller. It requires the driver to be built in the kernel.
904a9c5fff5SDavid Brownell
905bf5a16baSLinus Walleijconfig GPIO_ADNP
906bf5a16baSLinus Walleij	tristate "Avionic Design N-bit GPIO expander"
907269a46f8SLinus Walleij	depends on OF_GPIO
908104fb1d5SZhu, Lejun	select GPIOLIB_IRQCHIP
909104fb1d5SZhu, Lejun	help
910bf5a16baSLinus Walleij	  This option enables support for N GPIOs found on Avionic Design
911bf5a16baSLinus Walleij	  I2C GPIO expanders. The register space will be extended by powers
912bf5a16baSLinus Walleij	  of two, so the controller will need to accommodate for that. For
913bf5a16baSLinus Walleij	  example: if a controller provides 48 pins, 6 registers will be
914bf5a16baSLinus Walleij	  enough to represent all pins, but the driver will assume a
915bf5a16baSLinus Walleij	  register layout for 64 pins (8 registers).
9160cc59b9dSMilo Kim
9172a0b0a57SLinus Walleijconfig GPIO_GW_PLD
9182a0b0a57SLinus Walleij	tristate "Gateworks PLD GPIO Expander"
9192a0b0a57SLinus Walleij	depends on OF_GPIO
9202a0b0a57SLinus Walleij	help
9212a0b0a57SLinus Walleij	  Say yes here to provide access to the Gateworks I2C PLD GPIO
9222a0b0a57SLinus Walleij	  Expander. This is used at least on the Cambria GW2358-4.
9232a0b0a57SLinus Walleij
924a9c5fff5SDavid Brownellconfig GPIO_MAX7300
925bbcd6d54SEric Miao	tristate "Maxim MAX7300 GPIO expander"
926bbcd6d54SEric Miao	select GPIO_MAX730X
927bbcd6d54SEric Miao	help
9282b861f4bSAxel Lin	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
929a9c5fff5SDavid Brownell
930bbcd6d54SEric Miaoconfig GPIO_MAX732X
931bbcd6d54SEric Miao	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
932bbcd6d54SEric Miao	help
933bbcd6d54SEric Miao	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
934bbcd6d54SEric Miao	  Port Expanders. Each IO port on these chips has a fixed role of
935bbcd6d54SEric Miao	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
936bbcd6d54SEric Miao	  Input and Output (designed by 'P'). The combinations are listed
937bbcd6d54SEric Miao	  below:
938bbcd6d54SEric Miao
939bbcd6d54SEric Miao	  8 bits:       max7319 (8I), max7320 (8O), max7321 (8P),
940bbcd6d54SEric Miao	                max7322 (4I4O), max7323 (4P4O)
941bbcd6d54SEric Miao
942bbcd6d54SEric Miao	  16 bits:      max7324 (8I8O), max7325 (8P8O),
943bbcd6d54SEric Miao	                max7326 (4I12O), max7327 (4P12O)
944bbcd6d54SEric Miao
945bbcd6d54SEric Miao	  Board setup code must specify the model to use, and the start
946bbcd6d54SEric Miao	  number for these GPIOs.
947bbcd6d54SEric Miao
948a80a0bbeSMarc Zyngierconfig GPIO_MAX732X_IRQ
949a80a0bbeSMarc Zyngier	bool "Interrupt controller support for MAX732x"
9500244ad00SMartin Schwidefsky	depends on GPIO_MAX732X=y
951984f6643SLinus Walleij	select GPIOLIB_IRQCHIP
952a80a0bbeSMarc Zyngier	help
953a80a0bbeSMarc Zyngier	  Say yes here to enable the max732x to be used as an interrupt
954a80a0bbeSMarc Zyngier	  controller. It requires the driver to be built in the kernel.
955a80a0bbeSMarc Zyngier
956608589b1Swu guoxingconfig GPIO_MC9S08DZ60
957608589b1Swu guoxing	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
9584c30aa33SAxel Lin	depends on I2C=y && MACH_MX35_3DS
959608589b1Swu guoxing	help
960608589b1Swu guoxing	  Select this to enable the MC9S08DZ60 GPIO driver
961608589b1Swu guoxing
962f3dc3630SGuennadi Liakhovetskiconfig GPIO_PCA953X
963eb32b5aaSAaron Sierra	tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
9644bc16f9dSMarek Vasut	select REGMAP_I2C
9659e60fdcfSeric miao	help
9667059d4b0SDavid Brownell	  Say yes here to provide access to several register-oriented
9677059d4b0SDavid Brownell	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
9687059d4b0SDavid Brownell	  models include:
9697059d4b0SDavid Brownell
9707059d4b0SDavid Brownell	  4 bits:       pca9536, pca9537
9717059d4b0SDavid Brownell
972c29985ddSAxel Lin	  8 bits:       max7310, max7315, pca6107, pca9534, pca9538, pca9554,
9731b9a0c25SAnders Darander	                pca9556, pca9557, pca9574, tca6408, tca9554, xra1202
9747059d4b0SDavid Brownell
975c29985ddSAxel Lin	  16 bits:      max7312, max7313, pca9535, pca9539, pca9555, pca9575,
976c29985ddSAxel Lin	                tca6416
9779e60fdcfSeric miao
9781e191695SAaron Sierra	  24 bits:      tca6424
9791e191695SAaron Sierra
980eb32b5aaSAaron Sierra	  40 bits:      pca9505, pca9698
9811e191695SAaron Sierra
98289ea8bbeSMarc Zyngierconfig GPIO_PCA953X_IRQ
98389ea8bbeSMarc Zyngier	bool "Interrupt controller support for PCA953x"
984e33a58a2SAndy Shevchenko	depends on GPIO_PCA953X
9857bcbce55SLinus Walleij	select GPIOLIB_IRQCHIP
98689ea8bbeSMarc Zyngier	help
98789ea8bbeSMarc Zyngier	  Say yes here to enable the pca953x to be used as an interrupt
98889ea8bbeSMarc Zyngier	  controller. It requires the driver to be built in the kernel.
98989ea8bbeSMarc Zyngier
99016d44b60SSungbo Eoconfig GPIO_PCA9570
99116d44b60SSungbo Eo	tristate "PCA9570 4-Bit I2C GPO expander"
99216d44b60SSungbo Eo	help
99316d44b60SSungbo Eo	  Say yes here to enable the GPO driver for the NXP PCA9570 chip.
99416d44b60SSungbo Eo
99516d44b60SSungbo Eo	  To compile this driver as a module, choose M here: the module will
99616d44b60SSungbo Eo	  be called gpio-pca9570.
99716d44b60SSungbo Eo
99815fae37dSDavid Brownellconfig GPIO_PCF857X
9991673ad52SDavid Brownell	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
1000a39294bdSGeert Uytterhoeven	select GPIOLIB_IRQCHIP
1001901acf5bSArnd Bergmann	select IRQ_DOMAIN
100215fae37dSDavid Brownell	help
100315fae37dSDavid Brownell	  Say yes here to provide access to most "quasi-bidirectional" I2C
100415fae37dSDavid Brownell	  GPIO expanders used for additional digital outputs or inputs.
100515fae37dSDavid Brownell	  Most of these parts are from NXP, though TI is a second source for
100615fae37dSDavid Brownell	  some of them.  Compatible models include:
100715fae37dSDavid Brownell
100815fae37dSDavid Brownell	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
10091673ad52SDavid Brownell	            pca9670, pca9672, pca9674, pca9674a,
10101673ad52SDavid Brownell	            max7328, max7329
101115fae37dSDavid Brownell
101215fae37dSDavid Brownell	  16 bits:  pcf8575, pcf8575c, pca8575,
101315fae37dSDavid Brownell	            pca9671, pca9673, pca9675
101415fae37dSDavid Brownell
101515fae37dSDavid Brownell	  Your board setup code will need to declare the expanders in
101615fae37dSDavid Brownell	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
101715fae37dSDavid Brownell	  can then be used from drivers and other kernel code, just like
101815fae37dSDavid Brownell	  other GPIOs, but only accessible from task contexts.
101915fae37dSDavid Brownell
102015fae37dSDavid Brownell	  This driver provides an in-kernel interface to those GPIOs using
102115fae37dSDavid Brownell	  platform-neutral GPIO calls.
102215fae37dSDavid Brownell
1023b866526dSAndrew F. Davisconfig GPIO_TPIC2810
1024b866526dSAndrew F. Davis	tristate "TPIC2810 8-Bit I2C GPO expander"
1025b866526dSAndrew F. Davis	help
1026b866526dSAndrew F. Davis	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
1027b866526dSAndrew F. Davis
1028b866526dSAndrew F. Davis	  To compile this driver as a module, choose M here: the module will
1029b866526dSAndrew F. Davis	  be called gpio-tpic2810.
1030b866526dSAndrew F. Davis
10319c668632SLucile Quirionconfig GPIO_TS4900
10329c668632SLucile Quirion	tristate "Technologic Systems FPGA I2C GPIO"
10334c5f15b7SJean Delvare	depends on SOC_IMX6 || COMPILE_TEST
10349c668632SLucile Quirion	select REGMAP_I2C
10359c668632SLucile Quirion	help
10369c668632SLucile Quirion	  Say yes here to enabled the GPIO driver for Technologic's FPGA core.
10379c668632SLucile Quirion	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
10389c668632SLucile Quirion
1039177b0381SLinus Walleijendmenu
1040177b0381SLinus Walleij
1041177b0381SLinus Walleijmenu "MFD GPIO expanders"
1042be9cab5bSLinus Walleij
1043be9cab5bSLinus Walleijconfig GPIO_ADP5520
1044be9cab5bSLinus Walleij	tristate "GPIO Support for ADP5520 PMIC"
1045be9cab5bSLinus Walleij	depends on PMIC_ADP5520
1046be9cab5bSLinus Walleij	help
1047be9cab5bSLinus Walleij	  This option enables support for on-chip GPIO found
1048be9cab5bSLinus Walleij	  on Analog Devices ADP5520 PMICs.
1049be9cab5bSLinus Walleij
105026a48c4cSThor Thayerconfig GPIO_ALTERA_A10SR
105126a48c4cSThor Thayer	tristate "Altera Arria10 System Resource GPIO"
105226a48c4cSThor Thayer	depends on MFD_ALTERA_A10SR
105326a48c4cSThor Thayer	help
105426a48c4cSThor Thayer	  Driver for Arria10 Development Kit GPIO expansion which
105526a48c4cSThor Thayer	  includes reads of pushbuttons and DIP switches as well
105626a48c4cSThor Thayer	  as writes to LEDs.
105726a48c4cSThor Thayer
1058be9cab5bSLinus Walleijconfig GPIO_ARIZONA
1059be9cab5bSLinus Walleij	tristate "Wolfson Microelectronics Arizona class devices"
1060be9cab5bSLinus Walleij	depends on MFD_ARIZONA
1061be9cab5bSLinus Walleij	help
1062be9cab5bSLinus Walleij	  Support for GPIOs on Wolfson Arizona class devices.
1063be9cab5bSLinus Walleij
106418bc64b3SMatti Vaittinenconfig GPIO_BD70528
106518bc64b3SMatti Vaittinen	tristate "ROHM BD70528 GPIO support"
106618bc64b3SMatti Vaittinen	depends on MFD_ROHM_BD70528
106718bc64b3SMatti Vaittinen	help
106818bc64b3SMatti Vaittinen	  Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs
106918bc64b3SMatti Vaittinen	  available on the ROHM PMIC in total. The GPIOs can also
107018bc64b3SMatti Vaittinen	  generate interrupts.
107118bc64b3SMatti Vaittinen
107218bc64b3SMatti Vaittinen	  This driver can also be built as a module. If so, the module
107318bc64b3SMatti Vaittinen	  will be called gpio-bd70528.
107418bc64b3SMatti Vaittinen
1075c31f625dSMatti Vaittinenconfig GPIO_BD71828
1076c31f625dSMatti Vaittinen	tristate "ROHM BD71828 GPIO support"
1077c31f625dSMatti Vaittinen	depends on MFD_ROHM_BD71828
1078c31f625dSMatti Vaittinen	help
1079c31f625dSMatti Vaittinen	  Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1080c31f625dSMatti Vaittinen	  available on the ROHM PMIC in total. The GPIOs are limited to
1081c31f625dSMatti Vaittinen	  outputs only and pins must be configured to GPIO outputs by
1082c31f625dSMatti Vaittinen	  OTP. Enable this only if you want to use these pins as outputs.
1083c31f625dSMatti Vaittinen
1084c31f625dSMatti Vaittinen	  This driver can also be built as a module. If so, the module
1085c31f625dSMatti Vaittinen	  will be called gpio-bd71828.
1086c31f625dSMatti Vaittinen
108793847930SMarek Vasutconfig GPIO_BD9571MWV
108893847930SMarek Vasut	tristate "ROHM BD9571 GPIO support"
108993847930SMarek Vasut	depends on MFD_BD9571MWV
109093847930SMarek Vasut	help
109193847930SMarek Vasut	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
109293847930SMarek Vasut	  available on the ROHM PMIC in total, both of which can also
109393847930SMarek Vasut	  generate interrupts.
109493847930SMarek Vasut
109593847930SMarek Vasut	  This driver can also be built as a module. If so, the module
109693847930SMarek Vasut	  will be called gpio-bd9571mwv.
109793847930SMarek Vasut
1098be9cab5bSLinus Walleijconfig GPIO_CRYSTAL_COVE
1099be9cab5bSLinus Walleij	tristate "GPIO support for Crystal Cove PMIC"
110072aba2e2SPeter Robinson	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
1101be9cab5bSLinus Walleij	select GPIOLIB_IRQCHIP
1102be9cab5bSLinus Walleij	help
1103be9cab5bSLinus Walleij	  Support for GPIO pins on Crystal Cove PMIC.
1104be9cab5bSLinus Walleij
1105be9cab5bSLinus Walleij	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
1106be9cab5bSLinus Walleij	  inside.
1107be9cab5bSLinus Walleij
1108be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module will be
1109be9cab5bSLinus Walleij	  called gpio-crystalcove.
1110be9cab5bSLinus Walleij
1111be9cab5bSLinus Walleijconfig GPIO_CS5535
1112be9cab5bSLinus Walleij	tristate "AMD CS5535/CS5536 GPIO support"
111372aba2e2SPeter Robinson	depends on X86 || MIPS || COMPILE_TEST
1114be9cab5bSLinus Walleij	depends on MFD_CS5535
1115be9cab5bSLinus Walleij	help
1116be9cab5bSLinus Walleij	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
1117be9cab5bSLinus Walleij	  can be used for quite a number of things.  The CS5535/6 is found on
1118be9cab5bSLinus Walleij	  AMD Geode and Lemote Yeeloong devices.
1119be9cab5bSLinus Walleij
1120be9cab5bSLinus Walleij	  If unsure, say N.
1121be9cab5bSLinus Walleij
1122be9cab5bSLinus Walleijconfig GPIO_DA9052
1123be9cab5bSLinus Walleij	tristate "Dialog DA9052 GPIO"
1124be9cab5bSLinus Walleij	depends on PMIC_DA9052
1125be9cab5bSLinus Walleij	help
1126be9cab5bSLinus Walleij	  Say yes here to enable the GPIO driver for the DA9052 chip.
1127be9cab5bSLinus Walleij
1128be9cab5bSLinus Walleijconfig GPIO_DA9055
1129be9cab5bSLinus Walleij	tristate "Dialog Semiconductor DA9055 GPIO"
1130be9cab5bSLinus Walleij	depends on MFD_DA9055
1131be9cab5bSLinus Walleij	help
1132be9cab5bSLinus Walleij	  Say yes here to enable the GPIO driver for the DA9055 chip.
1133be9cab5bSLinus Walleij
1134be9cab5bSLinus Walleij	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
1135be9cab5bSLinus Walleij	  be controller by this driver.
1136be9cab5bSLinus Walleij
1137be9cab5bSLinus Walleij	  If driver is built as a module it will be called gpio-da9055.
1138be9cab5bSLinus Walleij
1139be9cab5bSLinus Walleijconfig GPIO_DLN2
1140be9cab5bSLinus Walleij	tristate "Diolan DLN2 GPIO support"
1141be9cab5bSLinus Walleij	depends on MFD_DLN2
1142be9cab5bSLinus Walleij	select GPIOLIB_IRQCHIP
1143be9cab5bSLinus Walleij
1144be9cab5bSLinus Walleij	help
1145be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the Diolan DLN2
1146be9cab5bSLinus Walleij	  board.
1147be9cab5bSLinus Walleij
1148be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module
1149be9cab5bSLinus Walleij	  will be called gpio-dln2.
1150be9cab5bSLinus Walleij
11513c6e8d05SLinus Walleijconfig HTC_EGPIO
11523c6e8d05SLinus Walleij	bool "HTC EGPIO support"
1153e4c6a52cSGeert Uytterhoeven	depends on ARM
11543c6e8d05SLinus Walleij	help
11553c6e8d05SLinus Walleij	  This driver supports the CPLD egpio chip present on
11563c6e8d05SLinus Walleij	  several HTC phones.  It provides basic support for input
11573c6e8d05SLinus Walleij	  pins, output pins, and irqs.
11583c6e8d05SLinus Walleij
1159be9cab5bSLinus Walleijconfig GPIO_JANZ_TTL
1160be9cab5bSLinus Walleij	tristate "Janz VMOD-TTL Digital IO Module"
1161be9cab5bSLinus Walleij	depends on MFD_JANZ_CMODIO
1162be9cab5bSLinus Walleij	help
1163be9cab5bSLinus Walleij	  This enables support for the Janz VMOD-TTL Digital IO module.
1164be9cab5bSLinus Walleij	  This driver provides support for driving the pins in output
1165be9cab5bSLinus Walleij	  mode only. Input mode is not supported.
1166be9cab5bSLinus Walleij
1167be9cab5bSLinus Walleijconfig GPIO_KEMPLD
1168be9cab5bSLinus Walleij	tristate "Kontron ETX / COMexpress GPIO"
1169be9cab5bSLinus Walleij	depends on MFD_KEMPLD
1170be9cab5bSLinus Walleij	help
1171be9cab5bSLinus Walleij	  This enables support for the PLD GPIO interface on some Kontron ETX
1172be9cab5bSLinus Walleij	  and COMexpress (ETXexpress) modules.
1173be9cab5bSLinus Walleij
1174be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module will be
1175be9cab5bSLinus Walleij	  called gpio-kempld.
1176be9cab5bSLinus Walleij
1177be9cab5bSLinus Walleijconfig GPIO_LP3943
1178be9cab5bSLinus Walleij	tristate "TI/National Semiconductor LP3943 GPIO expander"
1179be9cab5bSLinus Walleij	depends on MFD_LP3943
1180be9cab5bSLinus Walleij	help
1181be9cab5bSLinus Walleij	  GPIO driver for LP3943 MFD.
1182be9cab5bSLinus Walleij	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1183be9cab5bSLinus Walleij	  Open drain outputs are required for this usage.
1184be9cab5bSLinus Walleij
118583f14103SKeerthyconfig GPIO_LP873X
118683f14103SKeerthy	tristate "TI LP873X GPO"
118783f14103SKeerthy	depends on MFD_TI_LP873X
118883f14103SKeerthy	help
118983f14103SKeerthy	  This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
119083f14103SKeerthy	  on LP873X PMICs.
119183f14103SKeerthy
119283f14103SKeerthy	  This driver can also be built as a module. If so, the module will be
119383f14103SKeerthy	  called gpio-lp873x.
119483f14103SKeerthy
11955c7f2c76SKeerthyconfig GPIO_LP87565
11965c7f2c76SKeerthy	tristate "TI LP87565 GPIO"
11975c7f2c76SKeerthy	depends on MFD_TI_LP87565
11985c7f2c76SKeerthy	help
11995c7f2c76SKeerthy	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
12005c7f2c76SKeerthy	  on LP87565 PMICs.
12015c7f2c76SKeerthy
12025c7f2c76SKeerthy	  This driver can also be built as a module. If so, the module will be
12035c7f2c76SKeerthy	  called gpio-lp87565.
12045c7f2c76SKeerthy
1205aca429ffSRichard Fitzgeraldconfig GPIO_MADERA
1206aca429ffSRichard Fitzgerald	tristate "Cirrus Logic Madera class codecs"
1207aca429ffSRichard Fitzgerald	depends on PINCTRL_MADERA
1208aca429ffSRichard Fitzgerald	help
1209aca429ffSRichard Fitzgerald	  Support for GPIOs on Cirrus Logic Madera class codecs.
1210aca429ffSRichard Fitzgerald
121102c5ba1eSLaxman Dewanganconfig GPIO_MAX77620
121202c5ba1eSLaxman Dewangan	tristate "GPIO support for PMIC MAX77620 and MAX20024"
121302c5ba1eSLaxman Dewangan	depends on MFD_MAX77620
1214c5706c7dSDmitry Osipenko	select GPIOLIB_IRQCHIP
121502c5ba1eSLaxman Dewangan	help
121602c5ba1eSLaxman Dewangan	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
121702c5ba1eSLaxman Dewangan	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
121802c5ba1eSLaxman Dewangan	  driver also provides interrupt support for each of the gpios.
121902c5ba1eSLaxman Dewangan	  Say yes here to enable the max77620 to be used as gpio controller.
122002c5ba1eSLaxman Dewangan
122172b5135bSBartosz Golaszewskiconfig GPIO_MAX77650
122272b5135bSBartosz Golaszewski	tristate "Maxim MAX77650/77651 GPIO support"
122372b5135bSBartosz Golaszewski	depends on MFD_MAX77650
122472b5135bSBartosz Golaszewski	help
122572b5135bSBartosz Golaszewski	  GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor.
122672b5135bSBartosz Golaszewski	  These chips have a single pin that can be configured as GPIO.
122772b5135bSBartosz Golaszewski
1228be9cab5bSLinus Walleijconfig GPIO_MSIC
1229be9cab5bSLinus Walleij	bool "Intel MSIC mixed signal gpio support"
123072aba2e2SPeter Robinson	depends on (X86 || COMPILE_TEST) && MFD_INTEL_MSIC
1231be9cab5bSLinus Walleij	help
1232be9cab5bSLinus Walleij	  Enable support for GPIO on intel MSIC controllers found in
1233be9cab5bSLinus Walleij	  intel MID devices
1234be9cab5bSLinus Walleij
1235be9cab5bSLinus Walleijconfig GPIO_PALMAS
1236be9cab5bSLinus Walleij	bool "TI PALMAS series PMICs GPIO"
1237be9cab5bSLinus Walleij	depends on MFD_PALMAS
1238be9cab5bSLinus Walleij	help
1239be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TI PALMAS
1240be9cab5bSLinus Walleij	  series chip family.
1241be9cab5bSLinus Walleij
1242e9fe32bcSLaxman Dewanganconfig GPIO_RC5T583
1243e9fe32bcSLaxman Dewangan	bool "RICOH RC5T583 GPIO"
1244e9fe32bcSLaxman Dewangan	depends on MFD_RC5T583
1245e9fe32bcSLaxman Dewangan	help
1246e9fe32bcSLaxman Dewangan	  Select this option to enable GPIO driver for the Ricoh RC5T583
1247e9fe32bcSLaxman Dewangan	  chip family.
1248e9fe32bcSLaxman Dewangan	  This driver provides the support for driving/reading the gpio pins
1249e9fe32bcSLaxman Dewangan	  of RC5T583 device through standard gpio library.
1250e9fe32bcSLaxman Dewangan
125103f822f5SRabin Vincentconfig GPIO_STMPE
125203f822f5SRabin Vincent	bool "STMPE GPIOs"
125303f822f5SRabin Vincent	depends on MFD_STMPE
12541dfb4a0dSLinus Walleij	depends on OF_GPIO
1255fe44e70dSLinus Walleij	select GPIOLIB_IRQCHIP
125603f822f5SRabin Vincent	help
125703f822f5SRabin Vincent	  This enables support for the GPIOs found on the STMPE I/O
125803f822f5SRabin Vincent	  Expanders.
125903f822f5SRabin Vincent
1260f4e8afdcSSundar Iyerconfig GPIO_TC3589X
1261f4e8afdcSSundar Iyer	bool "TC3589X GPIOs"
1262f4e8afdcSSundar Iyer	depends on MFD_TC3589X
12631422731dSLinus Walleij	depends on OF_GPIO
1264cf42f1cfSLinus Walleij	select GPIOLIB_IRQCHIP
1265d88b25beSRabin Vincent	help
1266f4e8afdcSSundar Iyer	  This enables support for the GPIOs found on the TC3589X
1267d88b25beSRabin Vincent	  I/O Expander.
1268d88b25beSRabin Vincent
1269be9cab5bSLinus Walleijconfig GPIO_TIMBERDALE
1270be9cab5bSLinus Walleij	bool "Support for timberdale GPIO IP"
1271be9cab5bSLinus Walleij	depends on MFD_TIMBERDALE
1272a7f7f624SMasahiro Yamada	help
1273be9cab5bSLinus Walleij	Add support for the GPIO IP in the timberdale FPGA.
1274be9cab5bSLinus Walleij
127599f0fd54SAndrew F. Davisconfig GPIO_TPS65086
127699f0fd54SAndrew F. Davis	tristate "TI TPS65086 GPO"
127799f0fd54SAndrew F. Davis	depends on MFD_TPS65086
127899f0fd54SAndrew F. Davis	help
127999f0fd54SAndrew F. Davis	  This driver supports the GPO on TI TPS65086x PMICs.
128099f0fd54SAndrew F. Davis
1281c366c76aSNicolas Saenz Julienneconfig GPIO_TPS65218
1282c366c76aSNicolas Saenz Julienne	tristate "TPS65218 GPIO"
1283c366c76aSNicolas Saenz Julienne	depends on MFD_TPS65218
1284c366c76aSNicolas Saenz Julienne	help
1285c366c76aSNicolas Saenz Julienne	  Select this option to enable GPIO driver for the TPS65218
1286c366c76aSNicolas Saenz Julienne	  chip family.
1287c366c76aSNicolas Saenz Julienne
1288be9cab5bSLinus Walleijconfig GPIO_TPS6586X
1289be9cab5bSLinus Walleij	bool "TPS6586X GPIO"
1290be9cab5bSLinus Walleij	depends on MFD_TPS6586X
1291be9cab5bSLinus Walleij	help
1292be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TPS6586X
1293be9cab5bSLinus Walleij	  chip family.
1294be9cab5bSLinus Walleij
1295be9cab5bSLinus Walleijconfig GPIO_TPS65910
1296be9cab5bSLinus Walleij	bool "TPS65910 GPIO"
1297be9cab5bSLinus Walleij	depends on MFD_TPS65910
1298be9cab5bSLinus Walleij	help
1299be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TPS65910
1300be9cab5bSLinus Walleij	  chip family.
1301be9cab5bSLinus Walleij
1302668a6cc7SMargarita Olayaconfig GPIO_TPS65912
1303668a6cc7SMargarita Olaya	tristate "TI TPS65912 GPIO"
1304ca801a22SAndrew F. Davis	depends on MFD_TPS65912
1305668a6cc7SMargarita Olaya	help
1306668a6cc7SMargarita Olaya	  This driver supports TPS65912 gpio chip
1307668a6cc7SMargarita Olaya
1308275b13a6SRajmohan Maniconfig GPIO_TPS68470
1309275b13a6SRajmohan Mani	bool "TPS68470 GPIO"
1310275b13a6SRajmohan Mani	depends on MFD_TPS68470
1311275b13a6SRajmohan Mani	help
1312275b13a6SRajmohan Mani	  Select this option to enable GPIO driver for the TPS68470
1313275b13a6SRajmohan Mani	  chip family.
1314275b13a6SRajmohan Mani	  There are 7 GPIOs and few sensor related GPIOs supported
1315275b13a6SRajmohan Mani	  by the TPS68470. While the 7 GPIOs can be configured as
1316275b13a6SRajmohan Mani	  input or output as appropriate, the sensor related GPIOs
1317275b13a6SRajmohan Mani	  are "output only" GPIOs.
1318275b13a6SRajmohan Mani
1319275b13a6SRajmohan Mani	  This driver config is bool, as the GPIO functionality
1320275b13a6SRajmohan Mani	  of the TPS68470 must be available before dependent
1321275b13a6SRajmohan Mani	  drivers are loaded.
1322275b13a6SRajmohan Mani
1323b868db94SAndrew Lunnconfig GPIO_TQMX86
1324b868db94SAndrew Lunn	tristate "TQ-Systems QTMX86 GPIO"
1325b868db94SAndrew Lunn	depends on MFD_TQMX86 || COMPILE_TEST
1326b868db94SAndrew Lunn	select GPIOLIB_IRQCHIP
1327b868db94SAndrew Lunn	help
1328b868db94SAndrew Lunn	  This driver supports GPIO on the TQMX86 IO controller.
1329b868db94SAndrew Lunn
1330e9d35947SDavid Brownellconfig GPIO_TWL4030
1331e9d35947SDavid Brownell	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1332e9d35947SDavid Brownell	depends on TWL4030_CORE
1333e9d35947SDavid Brownell	help
1334e9d35947SDavid Brownell	  Say yes here to access the GPIO signals of various multi-function
1335e9d35947SDavid Brownell	  power management chips from Texas Instruments.
1336e9d35947SDavid Brownell
133770ffd691SPeter Ujfalusiconfig GPIO_TWL6040
133870ffd691SPeter Ujfalusi	tristate "TWL6040 GPO"
133970ffd691SPeter Ujfalusi	depends on TWL6040_CORE
134070ffd691SPeter Ujfalusi	help
134170ffd691SPeter Ujfalusi	  Say yes here to access the GPO signals of twl6040
134270ffd691SPeter Ujfalusi	  audio chip from Texas Instruments.
134370ffd691SPeter Ujfalusi
1344be9cab5bSLinus Walleijconfig GPIO_UCB1400
1345be9cab5bSLinus Walleij	tristate "Philips UCB1400 GPIO"
1346be9cab5bSLinus Walleij	depends on UCB1400_CORE
1347be9cab5bSLinus Walleij	help
1348be9cab5bSLinus Walleij	  This enables support for the Philips UCB1400 GPIO pins.
1349be9cab5bSLinus Walleij	  The UCB1400 is an AC97 audio codec.
1350be9cab5bSLinus Walleij
13510ba19cfcSBin Gaoconfig GPIO_WHISKEY_COVE
13520ba19cfcSBin Gao	tristate "GPIO support for Whiskey Cove PMIC"
1353b5238b41SAndy Shevchenko	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC
13540ba19cfcSBin Gao	select GPIOLIB_IRQCHIP
13550ba19cfcSBin Gao	help
13560ba19cfcSBin Gao	  Support for GPIO pins on Whiskey Cove PMIC.
13570ba19cfcSBin Gao
13580ba19cfcSBin Gao	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
13590ba19cfcSBin Gao	  inside.
13600ba19cfcSBin Gao
13610ba19cfcSBin Gao	  This driver can also be built as a module. If so, the module will be
13620ba19cfcSBin Gao	  called gpio-wcove.
13630ba19cfcSBin Gao
1364e4b736f1SMark Brownconfig GPIO_WM831X
1365e4b736f1SMark Brown	tristate "WM831x GPIOs"
1366e4b736f1SMark Brown	depends on MFD_WM831X
1367e4b736f1SMark Brown	help
1368e4b736f1SMark Brown	  Say yes here to access the GPIO signals of WM831x power management
1369e4b736f1SMark Brown	  chips from Wolfson Microelectronics.
1370e4b736f1SMark Brown
137138f6ce45SMark Brownconfig GPIO_WM8350
137238f6ce45SMark Brown	tristate "WM8350 GPIOs"
137338f6ce45SMark Brown	depends on MFD_WM8350
137438f6ce45SMark Brown	help
137538f6ce45SMark Brown	  Say yes here to access the GPIO signals of WM8350 power management
137638f6ce45SMark Brown	  chips from Wolfson Microelectronics.
137738f6ce45SMark Brown
13782955c309SMark Brownconfig GPIO_WM8994
13792955c309SMark Brown	tristate "WM8994 GPIOs"
13802955c309SMark Brown	depends on MFD_WM8994
13812955c309SMark Brown	help
13822955c309SMark Brown	  Say yes here to access the GPIO signals of WM8994 audio hub
13832955c309SMark Brown	  CODECs from Wolfson Microelectronics.
13842955c309SMark Brown
1385177b0381SLinus Walleijendmenu
1386177b0381SLinus Walleij
1387177b0381SLinus Walleijmenu "PCI GPIO expanders"
1388177b0381SLinus Walleij	depends on PCI
1389ff1d5c2fSMichael Buesch
139092c33ef7SLinus Walleijconfig GPIO_AMD8111
139192c33ef7SLinus Walleij	tristate "AMD 8111 GPIO driver"
139272aba2e2SPeter Robinson	depends on X86 || COMPILE_TEST
1393ff1d5c2fSMichael Buesch	help
139492c33ef7SLinus Walleij	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
13955f0a96b0SAndres Salomon
139692c33ef7SLinus Walleij	  Note, that usually system firmware/ACPI handles GPIO pins on their
139792c33ef7SLinus Walleij	  own and users might easily break their systems with uncarefull usage
139892c33ef7SLinus Walleij	  of this driver!
1399ff1d5c2fSMichael Buesch
140092c33ef7SLinus Walleij	  If unsure, say N
14015f0a96b0SAndres Salomon
1402ff1d5c2fSMichael Bueschconfig GPIO_BT8XX
1403ff1d5c2fSMichael Buesch	tristate "BT8XX GPIO abuser"
140403744529SAndrew F. Davis	depends on VIDEO_BT848=n
1405ff1d5c2fSMichael Buesch	help
140622520edcSGeert Uytterhoeven	  The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1407ff1d5c2fSMichael Buesch	  as a cheap PCI GPIO card.
1408ff1d5c2fSMichael Buesch
1409ff1d5c2fSMichael Buesch	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1410ff1d5c2fSMichael Buesch
1411ff1d5c2fSMichael Buesch	  The card needs to be physically altered for using it as a
1412ff1d5c2fSMichael Buesch	  GPIO card. For more information on how to build a GPIO card
1413ff1d5c2fSMichael Buesch	  from a BT8xx TV card, see the documentation file at
14145f07224eSJonathan Neuschäfer	  Documentation/driver-api/gpio/bt8xxgpio.rst
1415ff1d5c2fSMichael Buesch
1416ff1d5c2fSMichael Buesch	  If unsure, say N.
1417ff1d5c2fSMichael Buesch
141884743ea3SDavid Cohenconfig GPIO_INTEL_MID
1419c78e3cf1SAndy Shevchenko	bool "Intel MID GPIO support"
1420c78e3cf1SAndy Shevchenko	depends on X86_INTEL_MID
1421fc346270SLinus Walleij	select GPIOLIB_IRQCHIP
14228bf02617SAlek Du	help
1423c78e3cf1SAndy Shevchenko	  Say Y here to support Intel MID GPIO.
14248bf02617SAlek Du
1425ccf6fd6dSAndy Shevchenkoconfig GPIO_MERRIFIELD
1426ccf6fd6dSAndy Shevchenko	tristate "Intel Merrifield GPIO support"
1427ccf6fd6dSAndy Shevchenko	depends on X86_INTEL_MID
1428ccf6fd6dSAndy Shevchenko	select GPIOLIB_IRQCHIP
1429ccf6fd6dSAndy Shevchenko	help
1430ccf6fd6dSAndy Shevchenko	  Say Y here to support Intel Merrifield GPIO.
14310c36ec31SJuergen Beisert
1432c78c42d7SShravan Kumar Ramaniconfig GPIO_MLXBF
1433c78c42d7SShravan Kumar Ramani	tristate "Mellanox BlueField SoC GPIO"
1434cbe706b0SShravan Kumar Ramani	depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST)
1435c78c42d7SShravan Kumar Ramani	select GPIO_GENERIC
1436c78c42d7SShravan Kumar Ramani	help
1437c78c42d7SShravan Kumar Ramani	  Say Y here if you want GPIO support on Mellanox BlueField SoC.
1438c78c42d7SShravan Kumar Ramani
1439bc0ae0e7SAsmaa Mnebhiconfig GPIO_MLXBF2
1440bc0ae0e7SAsmaa Mnebhi	tristate "Mellanox BlueField 2 SoC GPIO"
1441bc0ae0e7SAsmaa Mnebhi	depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST)
1442bc0ae0e7SAsmaa Mnebhi	select GPIO_GENERIC
1443bc0ae0e7SAsmaa Mnebhi	help
1444bc0ae0e7SAsmaa Mnebhi	  Say Y here if you want GPIO support on Mellanox BlueField 2 SoC.
1445bc0ae0e7SAsmaa Mnebhi
144692c33ef7SLinus Walleijconfig GPIO_ML_IOH
144792c33ef7SLinus Walleij	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
144872aba2e2SPeter Robinson	depends on X86 || COMPILE_TEST
144992c33ef7SLinus Walleij	select GENERIC_IRQ_CHIP
145092c33ef7SLinus Walleij	help
145192c33ef7SLinus Walleij	  ML7213 is companion chip for Intel Atom E6xx series.
145292c33ef7SLinus Walleij	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
145392c33ef7SLinus Walleij	  Hub) which is for IVI(In-Vehicle Infotainment) use.
145492c33ef7SLinus Walleij	  This driver can access the IOH's GPIO device.
145592c33ef7SLinus Walleij
145604c17aa8STomoya MORINAGAconfig GPIO_PCH
1457868fea05STomoya MORINAGA	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
145803744529SAndrew F. Davis	depends on X86_32 || MIPS || COMPILE_TEST
145938eb18a6STomoya MORINAGA	select GENERIC_IRQ_CHIP
146004c17aa8STomoya MORINAGA	help
146104c17aa8STomoya MORINAGA	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
146204c17aa8STomoya MORINAGA	  which is an IOH(Input/Output Hub) for x86 embedded processor.
146304c17aa8STomoya MORINAGA	  This driver can access PCH GPIO device.
146404c17aa8STomoya MORINAGA
1465868fea05STomoya MORINAGA	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1466868fea05STomoya MORINAGA	  Output Hub), ML7223 and ML7831.
1467bc786cceSTomoya MORINAGA	  ML7223 IOH is for MP(Media Phone) use.
1468868fea05STomoya MORINAGA	  ML7831 IOH is for general purpose use.
1469868fea05STomoya MORINAGA	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1470868fea05STomoya MORINAGA	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1471bc786cceSTomoya MORINAGA
147202e74fc0SWilliam Breathitt Grayconfig GPIO_PCI_IDIO_16
147302e74fc0SWilliam Breathitt Gray	tristate "ACCES PCI-IDIO-16 GPIO support"
147402e74fc0SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
147502e74fc0SWilliam Breathitt Gray	help
147602e74fc0SWilliam Breathitt Gray	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
147702e74fc0SWilliam Breathitt Gray	  generated when any of the inputs change state (low to high or high to
147802e74fc0SWilliam Breathitt Gray	  low). Input filter control is not supported by this driver, and the
147902e74fc0SWilliam Breathitt Gray	  input filters are deactivated by this driver.
148002e74fc0SWilliam Breathitt Gray
148158556204SWilliam Breathitt Grayconfig GPIO_PCIE_IDIO_24
148258556204SWilliam Breathitt Gray	tristate "ACCES PCIe-IDIO-24 GPIO support"
148358556204SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
148458556204SWilliam Breathitt Gray	help
148558556204SWilliam Breathitt Gray	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
148658556204SWilliam Breathitt Gray	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
148758556204SWilliam Breathitt Gray	  when any of the inputs change state (low to high or high to low).
148858556204SWilliam Breathitt Gray	  Input filter control is not supported by this driver, and the input
148958556204SWilliam Breathitt Gray	  filters are deactivated by this driver.
149058556204SWilliam Breathitt Gray
14919956d02dSFlorian Fainelliconfig GPIO_RDC321X
14929956d02dSFlorian Fainelli	tristate "RDC R-321x GPIO support"
1493e4be3cb7SRandy Dunlap	select MFD_CORE
14949956d02dSFlorian Fainelli	select MFD_RDC321X
14959956d02dSFlorian Fainelli	help
14969956d02dSFlorian Fainelli	  Support for the RDC R321x SoC GPIOs over southbridge
14979956d02dSFlorian Fainelli	  PCI configuration space.
14989956d02dSFlorian Fainelli
149935570ac6SRichard Röjforsconfig GPIO_SODAVILLE
1500a9c5fff5SDavid Brownell	bool "Intel Sodaville GPIO support"
150103744529SAndrew F. Davis	depends on X86 && OF
15020c36ec31SJuergen Beisert	select GPIO_GENERIC
15030c36ec31SJuergen Beisert	select GENERIC_IRQ_CHIP
1504e952805dSWolfram Sang	help
15050c36ec31SJuergen Beisert	  Say Y here to support Intel Sodaville GPIO.
1506e952805dSWolfram Sang
1507177b0381SLinus Walleijendmenu
1508e58b9e27SDavid Brownell
1509177b0381SLinus Walleijmenu "SPI GPIO expanders"
1510177b0381SLinus Walleij	depends on SPI_MASTER
1511e58b9e27SDavid Brownell
1512a7ec2e7fSLinus Walleijconfig GPIO_74X164
1513a7ec2e7fSLinus Walleij	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1514048c28c9SLinus Walleij	depends on OF_GPIO
1515a7ec2e7fSLinus Walleij	help
1516a7ec2e7fSLinus Walleij	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1517a7ec2e7fSLinus Walleij	  shift registers. This driver can be used to provide access
1518a7ec2e7fSLinus Walleij	  to more gpio outputs.
1519e58b9e27SDavid Brownell
1520b2f68edfSLukas Wunnerconfig GPIO_MAX3191X
1521b2f68edfSLukas Wunner	tristate "Maxim MAX3191x industrial serializer"
1522b2f68edfSLukas Wunner	select CRC8
1523b2f68edfSLukas Wunner	help
1524b2f68edfSLukas Wunner	  GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913,
1525b2f68edfSLukas Wunner	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1526b2f68edfSLukas Wunner	  chip to make 8 digital 24V inputs available via SPI.  Supports
1527b2f68edfSLukas Wunner	  CRC checksums to guard against electromagnetic interference,
1528b2f68edfSLukas Wunner	  as well as undervoltage and overtemperature detection.
1529b2f68edfSLukas Wunner
1530e58b9e27SDavid Brownellconfig GPIO_MAX7301
1531e58b9e27SDavid Brownell	tristate "Maxim MAX7301 GPIO expander"
15321e5db006SRichard Röjfors	select GPIO_MAX730X
15331e5db006SRichard Röjfors	help
15341e5db006SRichard Röjfors	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
15351e5db006SRichard Röjfors
15360963670aSLinus Walleijconfig GPIO_MC33880
15370963670aSLinus Walleij	tristate "Freescale MC33880 high-side/low-side switch"
15380963670aSLinus Walleij	help
15390963670aSLinus Walleij	  SPI driver for Freescale MC33880 high-side/low-side switch.
15400963670aSLinus Walleij	  This provides GPIO interface supporting inputs and outputs.
15410963670aSLinus Walleij
1542df6df93cSAndrew F. Davisconfig GPIO_PISOSR
1543df6df93cSAndrew F. Davis	tristate "Generic parallel-in/serial-out shift register"
1544df6df93cSAndrew F. Davis	help
1545df6df93cSAndrew F. Davis	  GPIO driver for SPI compatible parallel-in/serial-out shift
1546df6df93cSAndrew F. Davis	  registers. These are input only devices.
1547df6df93cSAndrew F. Davis
15485704520dSNandor Hanconfig GPIO_XRA1403
15495704520dSNandor Han	tristate "EXAR XRA1403 16-bit GPIO expander"
1550665dff99SArnd Bergmann	select REGMAP_SPI
15515704520dSNandor Han	help
15525704520dSNandor Han	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
15535704520dSNandor Han
1554856ed97aSMarek Behúnconfig GPIO_MOXTET
1555856ed97aSMarek Behún	tristate "Turris Mox Moxtet bus GPIO expander"
1556856ed97aSMarek Behún	depends on MOXTET
1557856ed97aSMarek Behún	help
1558856ed97aSMarek Behún	  Say yes here if you are building for the Turris Mox router.
1559856ed97aSMarek Behún	  This is the driver needed for configuring the GPIOs via the Moxtet
1560856ed97aSMarek Behún	  bus. For example the Mox module with SFP cage needs this driver
1561856ed97aSMarek Behún	  so that phylink can use corresponding GPIOs.
1562856ed97aSMarek Behún
15630963670aSLinus Walleijendmenu
15640963670aSLinus Walleij
1565177b0381SLinus Walleijmenu "USB GPIO expanders"
1566177b0381SLinus Walleij	depends on USB
15679d5b72deSLars Poeschel
15689d5b72deSLars Poeschelconfig GPIO_VIPERBOARD
15699d5b72deSLars Poeschel	tristate "Viperboard GPIO a & b support"
157003744529SAndrew F. Davis	depends on MFD_VIPERBOARD
15719d5b72deSLars Poeschel	help
15729d5b72deSLars Poeschel	  Say yes here to access the GPIO signals of Nano River
15739d5b72deSLars Poeschel	  Technologies Viperboard. There are two GPIO chips on the
15749d5b72deSLars Poeschel	  board: gpioa and gpiob.
15759d5b72deSLars Poeschel	  See viperboard API specification and Nano
15769d5b72deSLars Poeschel	  River Tech's viperboard.h for detailed meaning
15779d5b72deSLars Poeschel	  of the module parameters.
15789d5b72deSLars Poeschel
1579177b0381SLinus Walleijendmenu
15806732127fSDaniel Baluta
1581828546e2SGeert Uytterhoevenconfig GPIO_AGGREGATOR
1582828546e2SGeert Uytterhoeven	tristate "GPIO Aggregator"
1583828546e2SGeert Uytterhoeven	help
1584828546e2SGeert Uytterhoeven	  Say yes here to enable the GPIO Aggregator, which provides a way to
1585828546e2SGeert Uytterhoeven	  aggregate existing GPIO lines into a new virtual GPIO chip.
1586828546e2SGeert Uytterhoeven	  This can serve the following purposes:
1587828546e2SGeert Uytterhoeven	    - Assign permissions for a collection of GPIO lines to a user,
1588828546e2SGeert Uytterhoeven	    - Export a collection of GPIO lines to a virtual machine,
1589828546e2SGeert Uytterhoeven	    - Provide a generic driver for a GPIO-operated device in an
1590828546e2SGeert Uytterhoeven	      industrial control context, to be operated from userspace using
1591828546e2SGeert Uytterhoeven	      the GPIO chardev interface.
1592828546e2SGeert Uytterhoeven
15936e4484eeSBartosz Golaszewskiconfig GPIO_MOCKUP
15946e4484eeSBartosz Golaszewski	tristate "GPIO Testing Driver"
15956e4484eeSBartosz Golaszewski	select IRQ_SIM
15966e4484eeSBartosz Golaszewski	help
15976e4484eeSBartosz Golaszewski	  This enables GPIO Testing driver, which provides a way to test GPIO
15986e4484eeSBartosz Golaszewski	  subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
15996e4484eeSBartosz Golaszewski	  must be selected for this test.
16006e4484eeSBartosz Golaszewski	  User could use it through the script in
16016e4484eeSBartosz Golaszewski	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
16026e4484eeSBartosz Golaszewski	  it.
16036e4484eeSBartosz Golaszewski
16047444a72eSMichael Bueschendif
1605