xref: /linux/drivers/gpio/Kconfig (revision 361b79119a4b7f53f728913b5ed2c8d2d10c16f5)
1a9c5fff5SDavid Brownell#
2e849dc04SLinus Walleij# GPIO infrastructure and drivers
3a9c5fff5SDavid Brownell#
4a9c5fff5SDavid Brownell
57563bbf8SMark Brownconfig ARCH_HAVE_CUSTOM_GPIO_H
67563bbf8SMark Brown	bool
77563bbf8SMark Brown	help
87563bbf8SMark Brown	  Selecting this config option from the architecture Kconfig allows
97563bbf8SMark Brown	  the architecture to provide a custom asm/gpio.h implementation
107563bbf8SMark Brown	  overriding the default implementations.  New uses of this are
117563bbf8SMark Brown	  strongly discouraged.
127563bbf8SMark Brown
137444a72eSMichael Bueschmenuconfig GPIOLIB
147444a72eSMichael Buesch	bool "GPIO Support"
1560a5eabaSLinus Walleij	select ANON_INODES
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
25b69ac524SAlexandre Courbotconfig GPIO_DEVRES
26b69ac524SAlexandre Courbot	def_bool y
27b69ac524SAlexandre Courbot	depends on HAS_IOMEM
28b69ac524SAlexandre Courbot
29f141ed65SGrant Likelyconfig OF_GPIO
30f141ed65SGrant Likely	def_bool y
3192c74bceSLinus Walleij	depends on OF
32f141ed65SGrant Likely
33e29482e8SMathias Nymanconfig GPIO_ACPI
34e29482e8SMathias Nyman	def_bool y
35e29482e8SMathias Nyman	depends on ACPI
36e29482e8SMathias Nyman
3714250520SLinus Walleijconfig GPIOLIB_IRQCHIP
38fc346270SLinus Walleij	select IRQ_DOMAIN
3914250520SLinus Walleij	bool
4014250520SLinus Walleij
41a9c5fff5SDavid Brownellconfig DEBUG_GPIO
42a9c5fff5SDavid Brownell	bool "Debug GPIO calls"
43a9c5fff5SDavid Brownell	depends on DEBUG_KERNEL
44a9c5fff5SDavid Brownell	help
45a9c5fff5SDavid Brownell	  Say Y here to add some extra checks and diagnostics to GPIO calls.
46692105b8SMatt LaPlante	  These checks help ensure that GPIOs have been properly initialized
47692105b8SMatt LaPlante	  before they are used, and that sleeping calls are not made from
48692105b8SMatt LaPlante	  non-sleeping contexts.  They can make bitbanged serial protocols
49a9c5fff5SDavid Brownell	  slower.  The diagnostics help catch the type of setup errors
50a9c5fff5SDavid Brownell	  that are most common when setting up new platforms or boards.
51a9c5fff5SDavid Brownell
52d8f388d8SDavid Brownellconfig GPIO_SYSFS
53d8f388d8SDavid Brownell	bool "/sys/class/gpio/... (sysfs interface)"
544c0ea233SKees Cook	depends on SYSFS
55d8f388d8SDavid Brownell	help
56d8f388d8SDavid Brownell	  Say Y here to add a sysfs interface for GPIOs.
57d8f388d8SDavid Brownell
58d8f388d8SDavid Brownell	  This is mostly useful to work around omissions in a system's
59d8f388d8SDavid Brownell	  kernel support.  Those are common in custom and semicustom
60d8f388d8SDavid Brownell	  hardware assembled using standard kernels with a minimum of
61d8f388d8SDavid Brownell	  custom patches.  In those cases, userspace code may import
62d8f388d8SDavid Brownell	  a given GPIO from the kernel, if no kernel driver requested it.
63d8f388d8SDavid Brownell
64d8f388d8SDavid Brownell	  Kernel drivers may also request that a particular GPIO be
65d8f388d8SDavid Brownell	  exported to userspace; this can be useful when debugging.
66d8f388d8SDavid Brownell
67c103de24SGrant Likelyconfig GPIO_GENERIC
68c103de24SGrant Likely	tristate
69c103de24SGrant Likely
70e849dc04SLinus Walleij# put drivers in the right section, in alphabetical order
71a9c5fff5SDavid Brownell
72177b0381SLinus Walleij# This symbol is selected by both I2C and SPI expanders
73e952805dSWolfram Sangconfig GPIO_MAX730X
74e952805dSWolfram Sang	tristate
75e952805dSWolfram Sang
76177b0381SLinus Walleijmenu "Memory mapped GPIO drivers"
770bcb6069SJohn Linn
78af0a33e2SAlexander Shiyanconfig GPIO_74XX_MMIO
79af0a33e2SAlexander Shiyan	tristate "GPIO driver for 74xx-ICs with MMIO access"
80af0a33e2SAlexander Shiyan	depends on OF_GPIO
81af0a33e2SAlexander Shiyan	select GPIO_GENERIC
82af0a33e2SAlexander Shiyan	help
83af0a33e2SAlexander Shiyan	  Say yes here to support GPIO functionality for 74xx-compatible ICs
84af0a33e2SAlexander Shiyan	  with MMIO access. Compatible models include:
85af0a33e2SAlexander Shiyan	    1 bit:	741G125 (Input), 741G74 (Output)
86af0a33e2SAlexander Shiyan	    2 bits:	742G125 (Input), 7474 (Output)
87af0a33e2SAlexander Shiyan	    4 bits:	74125 (Input), 74175 (Output)
88af0a33e2SAlexander Shiyan	    6 bits:	74365 (Input), 74174 (Output)
89af0a33e2SAlexander Shiyan	    8 bits:	74244 (Input), 74273 (Output)
90af0a33e2SAlexander Shiyan	    16 bits:	741624 (Input), 7416374 (Output)
91af0a33e2SAlexander Shiyan
92223fa272SLinus Walleijconfig GPIO_ALTERA
93223fa272SLinus Walleij	tristate "Altera GPIO"
94223fa272SLinus Walleij	depends on OF_GPIO
95223fa272SLinus Walleij	select GPIOLIB_IRQCHIP
96223fa272SLinus Walleij	help
97223fa272SLinus Walleij	  Say Y or M here to build support for the Altera PIO device.
98223fa272SLinus Walleij
99223fa272SLinus Walleij	  If driver is built as a module it will be called gpio-altera.
100223fa272SLinus Walleij
1016057d40fSYD Tsengconfig GPIO_AMDPT
1026057d40fSYD Tseng	tristate "AMD Promontory GPIO support"
1036057d40fSYD Tseng	depends on ACPI
104574b782eSAxel Lin	select GPIO_GENERIC
1056057d40fSYD Tseng	help
1066057d40fSYD Tseng	  driver for GPIO functionality on Promontory IOHub
1076057d40fSYD Tseng	  Require ACPI ASL code to enumerate as a platform device.
1086057d40fSYD Tseng
109*361b7911SJoel Stanleyconfig GPIO_ASPEED
110*361b7911SJoel Stanley	tristate "Aspeed GPIO support"
111*361b7911SJoel Stanley	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
112*361b7911SJoel Stanley	select GPIOLIB_IRQCHIP
113*361b7911SJoel Stanley	help
114*361b7911SJoel Stanley	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
115*361b7911SJoel Stanley
116ab32770eSAlban Bedelconfig GPIO_ATH79
117ab32770eSAlban Bedel	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
118ab32770eSAlban Bedel	default y if ATH79
119409d8783SAlban Bedel	depends on ATH79 || COMPILE_TEST
120ab32770eSAlban Bedel	select GPIO_GENERIC
1212b8f89e1SAlban Bedel	select GPIOLIB_IRQCHIP
122ab32770eSAlban Bedel	help
123ab32770eSAlban Bedel	  Select this option to enable GPIO driver for
124ab32770eSAlban Bedel	  Atheros AR71XX/AR724X/AR913X SoC devices.
125ab32770eSAlban Bedel
126f72f4b44SMaxime Ripardconfig GPIO_AXP209
127f72f4b44SMaxime Ripard	tristate "X-Powers AXP209 PMIC GPIO Support"
128f72f4b44SMaxime Ripard	depends on MFD_AXP20X
129f72f4b44SMaxime Ripard	help
130f72f4b44SMaxime Ripard	  Say yes to enable GPIO support for the AXP209 PMIC
131f72f4b44SMaxime Ripard
132ea948cffSLinus Walleijconfig GPIO_BCM_KONA
133ea948cffSLinus Walleij	bool "Broadcom Kona GPIO"
134ea948cffSLinus Walleij	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
135ea948cffSLinus Walleij	help
136ea948cffSLinus Walleij	  Turn on GPIO support for Broadcom "Kona" chips.
137ea948cffSLinus Walleij
1383b0213d5SGregory Fongconfig GPIO_BRCMSTB
1393b0213d5SGregory Fong	tristate "BRCMSTB GPIO support"
140a02588a0SFlorian Fainelli	default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
141a02588a0SFlorian Fainelli	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
1423b0213d5SGregory Fong	select GPIO_GENERIC
14319a7b694SGregory Fong	select GPIOLIB_IRQCHIP
1443b0213d5SGregory Fong	help
1453b0213d5SGregory Fong	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
1463b0213d5SGregory Fong
147a3b8d4a5SAlexander Shiyanconfig GPIO_CLPS711X
14855fe14abSAlexander Shiyan	tristate "CLPS711X GPIO support"
149ffd4bf1aSAlexander Shiyan	depends on ARCH_CLPS711X || COMPILE_TEST
15055fe14abSAlexander Shiyan	select GPIO_GENERIC
15155fe14abSAlexander Shiyan	help
15255fe14abSAlexander Shiyan	  Say yes here to support GPIO on CLPS711X SoCs.
153a3b8d4a5SAlexander Shiyan
154ee89cf63SGrygorii Strashkoconfig GPIO_DAVINCI
155ee89cf63SGrygorii Strashko	bool "TI Davinci/Keystone GPIO support"
156ee89cf63SGrygorii Strashko	default y if ARCH_DAVINCI
157ee89cf63SGrygorii Strashko	depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
158ee89cf63SGrygorii Strashko	help
159ee89cf63SGrygorii Strashko	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
160ee89cf63SGrygorii Strashko
1617779b345SJamie Ilesconfig GPIO_DWAPB
1627779b345SJamie Iles	tristate "Synopsys DesignWare APB GPIO driver"
1637779b345SJamie Iles	select GPIO_GENERIC
1647779b345SJamie Iles	select GENERIC_IRQ_CHIP
1657779b345SJamie Iles	help
1667779b345SJamie Iles	  Say Y or M here to build support for the Synopsys DesignWare APB
1677779b345SJamie Iles	  GPIO block.
1687779b345SJamie Iles
169a07e103eSMagnus Dammconfig GPIO_EM
170a07e103eSMagnus Damm	tristate "Emma Mobile GPIO"
171b5927854SIan Molton	depends on ARM && OF_GPIO
172a07e103eSMagnus Damm	help
173a07e103eSMagnus Damm	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.
174a07e103eSMagnus Damm
175c6b52c13SH Hartley Sweetenconfig GPIO_EP93XX
176c6b52c13SH Hartley Sweeten	def_bool y
177c6b52c13SH Hartley Sweeten	depends on ARCH_EP93XX
1781e4c8842SH Hartley Sweeten	select GPIO_GENERIC
179c6b52c13SH Hartley Sweeten
180d342571eSRabin Vincentconfig GPIO_ETRAXFS
181d342571eSRabin Vincent	bool "Axis ETRAX FS General I/O"
182d342571eSRabin Vincent	depends on CRIS || COMPILE_TEST
183d342571eSRabin Vincent	depends on OF
184d342571eSRabin Vincent	select GPIO_GENERIC
18529b5357dSRabin Vincent	select GPIOLIB_IRQCHIP
186d342571eSRabin Vincent	help
187d342571eSRabin Vincent	  Say yes here to support the GPIO controller on Axis ETRAX FS SoCs.
188d342571eSRabin Vincent
189223fa272SLinus Walleijconfig GPIO_GE_FPGA
190223fa272SLinus Walleij	bool "GE FPGA based GPIO"
191223fa272SLinus Walleij	depends on GE_FPGA
192223fa272SLinus Walleij	select GPIO_GENERIC
193223fa272SLinus Walleij	help
194223fa272SLinus Walleij	  Support for common GPIO functionality provided on some GE Single Board
195223fa272SLinus Walleij	  Computers.
196223fa272SLinus Walleij
197223fa272SLinus Walleij	  This driver provides basic support (configure as input or output, read
198223fa272SLinus Walleij	  and write pin state) for GPIO implemented in a number of GE single
199223fa272SLinus Walleij	  board computers.
200223fa272SLinus Walleij
201223fa272SLinus Walleijconfig GPIO_GENERIC_PLATFORM
202223fa272SLinus Walleij	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
203223fa272SLinus Walleij	select GPIO_GENERIC
204223fa272SLinus Walleij	help
205223fa272SLinus Walleij	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
206223fa272SLinus Walleij
207223fa272SLinus Walleijconfig GPIO_GRGPIO
208223fa272SLinus Walleij	tristate "Aeroflex Gaisler GRGPIO support"
209223fa272SLinus Walleij	depends on OF
210223fa272SLinus Walleij	select GPIO_GENERIC
211223fa272SLinus Walleij	select IRQ_DOMAIN
212223fa272SLinus Walleij	help
213223fa272SLinus Walleij	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
214223fa272SLinus Walleij	  VHDL IP core library.
215223fa272SLinus Walleij
216223fa272SLinus Walleijconfig GPIO_ICH
217223fa272SLinus Walleij	tristate "Intel ICH GPIO"
218223fa272SLinus Walleij	depends on PCI && X86
219223fa272SLinus Walleij	select MFD_CORE
220223fa272SLinus Walleij	select LPC_ICH
221223fa272SLinus Walleij	help
222223fa272SLinus Walleij	  Say yes here to support the GPIO functionality of a number of Intel
223223fa272SLinus Walleij	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
224223fa272SLinus Walleij	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
225223fa272SLinus Walleij	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
226223fa272SLinus Walleij
227223fa272SLinus Walleij	  If unsure, say N.
228223fa272SLinus Walleij
229223fa272SLinus Walleijconfig GPIO_IOP
230223fa272SLinus Walleij	tristate "Intel IOP GPIO"
231223fa272SLinus Walleij	depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
232223fa272SLinus Walleij	help
233223fa272SLinus Walleij	  Say yes here to support the GPIO functionality of a number of Intel
234223fa272SLinus Walleij	  IOP32X or IOP33X.
235223fa272SLinus Walleij
236223fa272SLinus Walleij	  If unsure, say N.
237223fa272SLinus Walleij
238223fa272SLinus Walleijconfig GPIO_LOONGSON
239223fa272SLinus Walleij	bool "Loongson-2/3 GPIO support"
240223fa272SLinus Walleij	depends on CPU_LOONGSON2 || CPU_LOONGSON3
241223fa272SLinus Walleij	help
242223fa272SLinus Walleij	  driver for GPIO functionality on Loongson-2F/3A/3B processors.
243223fa272SLinus Walleij
24413a43fd9SJoachim Eastwoodconfig GPIO_LPC18XX
24554b72998SPaul Gortmaker	tristate "NXP LPC18XX/43XX GPIO support"
24613a43fd9SJoachim Eastwood	default y if ARCH_LPC18XX
24713a43fd9SJoachim Eastwood	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
24813a43fd9SJoachim Eastwood	help
24913a43fd9SJoachim Eastwood	  Select this option to enable GPIO driver for
25013a43fd9SJoachim Eastwood	  NXP LPC18XX/43XX devices.
25113a43fd9SJoachim Eastwood
252223fa272SLinus Walleijconfig GPIO_LYNXPOINT
253223fa272SLinus Walleij	tristate "Intel Lynxpoint GPIO support"
254223fa272SLinus Walleij	depends on ACPI && X86
255223fa272SLinus Walleij	select GPIOLIB_IRQCHIP
256223fa272SLinus Walleij	help
257223fa272SLinus Walleij	  driver for GPIO functionality on Intel Lynxpoint PCH chipset
258223fa272SLinus Walleij	  Requires ACPI device enumeration code to set up a platform device.
259223fa272SLinus Walleij
2600da094d8SJassi Brarconfig GPIO_MB86S7X
2610da094d8SJassi Brar	bool "GPIO support for Fujitsu MB86S7x Platforms"
2624fccbbdeSAxel Lin	depends on ARCH_MB86S7X || COMPILE_TEST
2630da094d8SJassi Brar	help
2640da094d8SJassi Brar	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
2659af4d80bSFabian Vogt
266f436bc27SAndreas Wernerconfig GPIO_MENZ127
267f436bc27SAndreas Werner	tristate "MEN 16Z127 GPIO support"
268f436bc27SAndreas Werner	depends on MCB
269f436bc27SAndreas Werner	select GPIO_GENERIC
270f436bc27SAndreas Werner	help
271f436bc27SAndreas Werner	 Say yes here to support the MEN 16Z127 GPIO Controller
272f436bc27SAndreas Werner
2735238f7bcSJohn Crispinconfig GPIO_MM_LANTIQ
2745238f7bcSJohn Crispin	bool "Lantiq Memory mapped GPIOs"
2755238f7bcSJohn Crispin	depends on LANTIQ && SOC_XWAY
2765238f7bcSJohn Crispin	help
2775238f7bcSJohn Crispin	  This enables support for memory mapped GPIOs on the External Bus Unit
2785238f7bcSJohn Crispin	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
2795238f7bcSJohn Crispin	  created by attaching a 16bit latch to the bus.
2805238f7bcSJohn Crispin
2810299b77bSJonas Jensenconfig GPIO_MOXART
2820299b77bSJonas Jensen	bool "MOXART GPIO support"
28324030d9dSAxel Lin	depends on ARCH_MOXART || COMPILE_TEST
2843c01b9a8SKamlakant Patel	select GPIO_GENERIC
2850299b77bSJonas Jensen	help
2860299b77bSJonas Jensen	  Select this option to enable GPIO driver for
2870299b77bSJonas Jensen	  MOXA ART SoC devices.
2880299b77bSJonas Jensen
2896eae1aceSGrant Likelyconfig GPIO_MPC5200
2906eae1aceSGrant Likely	def_bool y
2916eae1aceSGrant Likely	depends on PPC_MPC52xx
2926eae1aceSGrant Likely
293c68308ddSWolfram Sangconfig GPIO_MPC8XXX
2945df7fd46SLiu Gang	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
295c68308ddSWolfram Sang	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
2965df7fd46SLiu Gang		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
2975df7fd46SLiu Gang		   COMPILE_TEST
2985df7fd46SLiu Gang	select GPIO_GENERIC
299a8fa91a7SArnd Bergmann	select IRQ_DOMAIN
300c68308ddSWolfram Sang	help
301c68308ddSWolfram Sang	  Say Y here if you're going to use hardware that connects to the
3025df7fd46SLiu Gang	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
303c68308ddSWolfram Sang
304fefe7b09SThomas Petazzoniconfig GPIO_MVEBU
305fefe7b09SThomas Petazzoni	def_bool y
30649e928d6SAndrew Lunn	depends on PLAT_ORION
307bc1008cfSGregory CLEMENT	depends on OF
308fefe7b09SThomas Petazzoni	select GENERIC_IRQ_CHIP
309fefe7b09SThomas Petazzoni
310d37a65bbSShawn Guoconfig GPIO_MXC
311d37a65bbSShawn Guo	def_bool y
312d37a65bbSShawn Guo	depends on ARCH_MXC
313c103de24SGrant Likely	select GPIO_GENERIC
314e4ea9333SShawn Guo	select GENERIC_IRQ_CHIP
315c103de24SGrant Likely
316c103de24SGrant Likelyconfig GPIO_MXS
317c103de24SGrant Likely	def_bool y
318c103de24SGrant Likely	depends on ARCH_MXS
31906f88a8aSShawn Guo	select GPIO_GENERIC
320498c17cfSShawn Guo	select GENERIC_IRQ_CHIP
321d37a65bbSShawn Guo
322aca58a66SDavid Daneyconfig GPIO_OCTEON
323aca58a66SDavid Daney	tristate "Cavium OCTEON GPIO"
324aca58a66SDavid Daney	depends on GPIOLIB && CAVIUM_OCTEON_SOC
325aca58a66SDavid Daney	default y
326aca58a66SDavid Daney	help
327aca58a66SDavid Daney	  Say yes here to support the on-chip GPIO lines on the OCTEON
328aca58a66SDavid Daney	  family of SOCs.
329aca58a66SDavid Daney
330cd0a3748SJavier Martinez Canillasconfig GPIO_OMAP
331cac089f9STony Lindgren	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
332cd0a3748SJavier Martinez Canillas	default y if ARCH_OMAP
3339d5d96efSArnd Bergmann	depends on ARM
3349d5d96efSArnd Bergmann	select GENERIC_IRQ_CHIP
335fb655f57SJavier Martinez Canillas	select GPIOLIB_IRQCHIP
336cd0a3748SJavier Martinez Canillas	help
337cd0a3748SJavier Martinez Canillas	  Say yes here to enable GPIO support for TI OMAP SoCs.
338cd0a3748SJavier Martinez Canillas
3391e9c2859SBaruch Siachconfig GPIO_PL061
3401e9c2859SBaruch Siach	bool "PrimeCell PL061 GPIO support"
3418a242842SRob Herring	depends on ARM_AMBA
342a5d6d271SAxel Lin	select IRQ_DOMAIN
3438d5b24bdSLinus Walleij	select GPIOLIB_IRQCHIP
3441e9c2859SBaruch Siach	help
3451e9c2859SBaruch Siach	  Say yes here to support the PrimeCell PL061 GPIO device
3461e9c2859SBaruch Siach
347157d2644SHaojian Zhuangconfig GPIO_PXA
348157d2644SHaojian Zhuang	bool "PXA GPIO support"
349157d2644SHaojian Zhuang	depends on ARCH_PXA || ARCH_MMP
350157d2644SHaojian Zhuang	help
351157d2644SHaojian Zhuang	  Say yes here to support the PXA GPIO device
352157d2644SHaojian Zhuang
353119f5e44SMagnus Dammconfig GPIO_RCAR
354119f5e44SMagnus Damm	tristate "Renesas R-Car GPIO"
3552af66e1dSSimon Horman	depends on ARCH_RENESAS || COMPILE_TEST
356c7f3c5d3SGeert Uytterhoeven	select GPIOLIB_IRQCHIP
357119f5e44SMagnus Damm	help
358119f5e44SMagnus Damm	  Say yes here to support GPIO on Renesas R-Car SoCs.
359119f5e44SMagnus Damm
360b53bc281SShiraz Hashimconfig GPIO_SPEAR_SPICS
361b53bc281SShiraz Hashim	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
362b53bc281SShiraz Hashim	depends on PLAT_SPEAR
363b53bc281SShiraz Hashim	select GENERIC_IRQ_CHIP
364b53bc281SShiraz Hashim	help
365b53bc281SShiraz Hashim	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device
366b53bc281SShiraz Hashim
3677b0d44f3SAlessandro Rubiniconfig GPIO_STA2X11
3687b0d44f3SAlessandro Rubini	bool "STA2x11/ConneXt GPIO support"
3697b0d44f3SAlessandro Rubini	depends on MFD_STA2X11
3707b0d44f3SAlessandro Rubini	select GENERIC_IRQ_CHIP
3717b0d44f3SAlessandro Rubini	help
3727b0d44f3SAlessandro Rubini	  Say yes here to support the STA2x11/ConneXt GPIO device.
3737b0d44f3SAlessandro Rubini	  The GPIO module has 128 GPIO pins with alternate functions.
3747b0d44f3SAlessandro Rubini
375be9cab5bSLinus Walleijconfig GPIO_STP_XWAY
376be9cab5bSLinus Walleij	bool "XWAY STP GPIOs"
377be9cab5bSLinus Walleij	depends on SOC_XWAY
378be9cab5bSLinus Walleij	help
379be9cab5bSLinus Walleij	  This enables support for the Serial To Parallel (STP) unit found on
380be9cab5bSLinus Walleij	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
381be9cab5bSLinus Walleij	  that can be up to 24 bit. This peripheral is aimed at driving leds.
382be9cab5bSLinus Walleij	  Some of the gpios/leds can be auto updated by the soc with dsl and
383be9cab5bSLinus Walleij	  phy status.
384be9cab5bSLinus Walleij
3856a8a0c1dSAlexander Shiyanconfig GPIO_SYSCON
3866a8a0c1dSAlexander Shiyan	tristate "GPIO based on SYSCON"
3876a8a0c1dSAlexander Shiyan	depends on MFD_SYSCON && OF
3886a8a0c1dSAlexander Shiyan	help
3896a8a0c1dSAlexander Shiyan	  Say yes here to support GPIO functionality though SYSCON driver.
3906a8a0c1dSAlexander Shiyan
391223fa272SLinus Walleijconfig GPIO_TB10X
392223fa272SLinus Walleij	bool
393223fa272SLinus Walleij	select GENERIC_IRQ_CHIP
394223fa272SLinus Walleij	select OF_GPIO
395223fa272SLinus Walleij
3964dd4dd1dSAlexander Steinconfig GPIO_TEGRA
3970bfb85c6SArnd Bergmann	bool "NVIDIA Tegra GPIO support"
3980bfb85c6SArnd Bergmann	default ARCH_TEGRA
3994dd4dd1dSAlexander Stein	depends on ARCH_TEGRA || COMPILE_TEST
4000bfb85c6SArnd Bergmann	depends on OF
4010bfb85c6SArnd Bergmann	help
4020bfb85c6SArnd Bergmann	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
4034dd4dd1dSAlexander Stein
4045041e791SJulien Grossholtzconfig GPIO_TS4800
4055041e791SJulien Grossholtz	tristate "TS-4800 DIO blocks and compatibles"
4065041e791SJulien Grossholtz	depends on OF_GPIO
4076dcfd729SJulien Grossholtz	depends on SOC_IMX51 || COMPILE_TEST
4085041e791SJulien Grossholtz	select GPIO_GENERIC
4095041e791SJulien Grossholtz	help
4105041e791SJulien Grossholtz	  This driver support TS-4800 FPGA GPIO controllers.
4115041e791SJulien Grossholtz
4129caf1f22SJames Hoganconfig GPIO_TZ1090
4139caf1f22SJames Hogan	bool "Toumaz Xenif TZ1090 GPIO support"
4149caf1f22SJames Hogan	depends on SOC_TZ1090
41504777396SJames Hogan	select GENERIC_IRQ_CHIP
4169caf1f22SJames Hogan	default y
4179caf1f22SJames Hogan	help
4189caf1f22SJames Hogan	  Say yes here to support Toumaz Xenif TZ1090 GPIOs.
4199caf1f22SJames Hogan
42079bb6460SJames Hoganconfig GPIO_TZ1090_PDC
42179bb6460SJames Hogan	bool "Toumaz Xenif TZ1090 PDC GPIO support"
42279bb6460SJames Hogan	depends on SOC_TZ1090
42379bb6460SJames Hogan	default y
42479bb6460SJames Hogan	help
42579bb6460SJames Hogan	  Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
42679bb6460SJames Hogan
4277f2691a1SStefan Agnerconfig GPIO_VF610
4287f2691a1SStefan Agner	def_bool y
4297f2691a1SStefan Agner	depends on ARCH_MXC && SOC_VF610
4307f2691a1SStefan Agner	select GPIOLIB_IRQCHIP
4317f2691a1SStefan Agner	help
4327f2691a1SStefan Agner	  Say yes here to support Vybrid vf610 GPIOs.
4337f2691a1SStefan Agner
434223fa272SLinus Walleijconfig GPIO_VR41XX
435223fa272SLinus Walleij	tristate "NEC VR4100 series General-purpose I/O Uint support"
436223fa272SLinus Walleij	depends on CPU_VR41XX
437223fa272SLinus Walleij	help
438223fa272SLinus Walleij	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
439223fa272SLinus Walleij
440223fa272SLinus Walleijconfig GPIO_VX855
441223fa272SLinus Walleij	tristate "VIA VX855/VX875 GPIO"
442223fa272SLinus Walleij	depends on PCI
443223fa272SLinus Walleij	select MFD_CORE
444223fa272SLinus Walleij	select MFD_VX855
445223fa272SLinus Walleij	help
446223fa272SLinus Walleij	  Support access to the VX855/VX875 GPIO lines through the gpio library.
447223fa272SLinus Walleij
448223fa272SLinus Walleij	  This driver provides common support for accessing the device,
449223fa272SLinus Walleij	  additional drivers must be enabled in order to use the
450223fa272SLinus Walleij	  functionality of the device.
451223fa272SLinus Walleij
45229cbf458SFeng Kanconfig GPIO_XGENE
45329cbf458SFeng Kan	bool "APM X-Gene GPIO controller support"
45429cbf458SFeng Kan	depends on ARM64 && OF_GPIO
45529cbf458SFeng Kan	help
45629cbf458SFeng Kan	  This driver is to support the GPIO block within the APM X-Gene SoC
45729cbf458SFeng Kan	  platform's generic flash controller. The GPIO pins are muxed with
45829cbf458SFeng Kan	  the generic flash controller's address and data pins. Say yes
45929cbf458SFeng Kan	  here to enable the GFC GPIO functionality.
46029cbf458SFeng Kan
461b2b35e10SY Voconfig GPIO_XGENE_SB
462b2b35e10SY Vo	tristate "APM X-Gene GPIO standby controller support"
463b2b35e10SY Vo	depends on ARCH_XGENE && OF_GPIO
464b2b35e10SY Vo	select GPIO_GENERIC
465e5f7e312SMatthias Brugger	select GPIOLIB_IRQCHIP
466b2b35e10SY Vo	help
467b2b35e10SY Vo	  This driver supports the GPIO block within the APM X-Gene
468b2b35e10SY Vo	  Standby Domain. Say yes here to enable the GPIO functionality.
469b2b35e10SY Vo
4700bcb6069SJohn Linnconfig GPIO_XILINX
471c54c58baSRicardo Ribalda Delgado	tristate "Xilinx GPIO support"
47279786721SSoren Brinkmann	depends on OF_GPIO
4730bcb6069SJohn Linn	help
4740bcb6069SJohn Linn	  Say yes here to support the Xilinx FPGA GPIO device
4750bcb6069SJohn Linn
476ff718800SKamlakant Patelconfig GPIO_XLP
477ff718800SKamlakant Patel	tristate "Netlogic XLP GPIO support"
478dd98756dSKamlakant Patel	depends on OF_GPIO && (CPU_XLP || ARCH_VULCAN || COMPILE_TEST)
479ff718800SKamlakant Patel	select GPIOLIB_IRQCHIP
480ff718800SKamlakant Patel	help
481ff718800SKamlakant Patel	  This driver provides support for GPIO interface on Netlogic XLP MIPS64
482ff718800SKamlakant Patel	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
483ff718800SKamlakant Patel	  XLP9XX and XLP5XX.
484ff718800SKamlakant Patel
485ff718800SKamlakant Patel	  If unsure, say N.
486ff718800SKamlakant Patel
4873b31d0ecSBaruch Siachconfig GPIO_XTENSA
4883b31d0ecSBaruch Siach	bool "Xtensa GPIO32 support"
4893b31d0ecSBaruch Siach	depends on XTENSA
490a1a2bdecSBaruch Siach	depends on HAVE_XTENSA_GPIO32
4913b31d0ecSBaruch Siach	depends on !SMP
4923b31d0ecSBaruch Siach	help
4933b31d0ecSBaruch Siach	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
4943b31d0ecSBaruch Siach	  and EXPSTATE (output) ports
4953b31d0ecSBaruch Siach
496223fa272SLinus Walleijconfig GPIO_ZEVIO
497223fa272SLinus Walleij	bool "LSI ZEVIO SoC memory mapped GPIOs"
498223fa272SLinus Walleij	depends on ARM && OF_GPIO
49927fdd325SYoichi Yuasa	help
500223fa272SLinus Walleij	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
50127fdd325SYoichi Yuasa
502223fa272SLinus Walleijconfig GPIO_ZYNQ
503223fa272SLinus Walleij	tristate "Xilinx Zynq GPIO support"
504bdf7a4aeSAnurag Kumar Vulisha	depends on ARCH_ZYNQ || ARCH_ZYNQMP
5057f87210eSMika Westerberg	select GPIOLIB_IRQCHIP
5061d09aaa6SMathias Nyman	help
507223fa272SLinus Walleij	  Say yes here to support Xilinx Zynq GPIO controller.
5081d09aaa6SMathias Nyman
5090963670aSLinus Walleijconfig GPIO_ZX
5100963670aSLinus Walleij	bool "ZTE ZX GPIO support"
5110963670aSLinus Walleij	select GPIOLIB_IRQCHIP
5120963670aSLinus Walleij	help
5130963670aSLinus Walleij	  Say yes here to support the GPIO device on ZTE ZX SoCs.
5140963670aSLinus Walleij
515bd37c999SKelvin Cheungconfig GPIO_LOONGSON1
516bd37c999SKelvin Cheung	tristate "Loongson1 GPIO support"
517bd37c999SKelvin Cheung	depends on MACH_LOONGSON32
518bd37c999SKelvin Cheung	select GPIO_GENERIC
519bd37c999SKelvin Cheung	help
520bd37c999SKelvin Cheung	  Say Y or M here to support GPIO on Loongson1 SoCs.
521bd37c999SKelvin Cheung
522177b0381SLinus Walleijendmenu
523177b0381SLinus Walleij
524bc6a73bbSLinus Walleijmenu "Port-mapped I/O GPIO drivers"
5257768feb0SLinus Walleij	depends on X86 # Unconditional I/O space access
526bc6a73bbSLinus Walleij
5271b06d64fSWilliam Breathitt Grayconfig GPIO_104_DIO_48E
5281b06d64fSWilliam Breathitt Gray	tristate "ACCES 104-DIO-48E GPIO support"
529f4ae9169SWilliam Breathitt Gray	depends on ISA_BUS_API
5301b06d64fSWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
5311b06d64fSWilliam Breathitt Gray	help
5324c23db0fSWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
5334c23db0fSWilliam Breathitt Gray	  104-DIO-24E). The base port addresses for the devices may be
5344c23db0fSWilliam Breathitt Gray	  configured via the base module parameter. The interrupt line numbers
5354c23db0fSWilliam Breathitt Gray	  for the devices may be configured via the irq module parameter.
5361b06d64fSWilliam Breathitt Gray
537bc6a73bbSLinus Walleijconfig GPIO_104_IDIO_16
538bc6a73bbSLinus Walleij	tristate "ACCES 104-IDIO-16 GPIO support"
539f4ae9169SWilliam Breathitt Gray	depends on ISA_BUS_API
540a1184147SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
541bc6a73bbSLinus Walleij	help
54286ea8a95SWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
54386ea8a95SWilliam Breathitt Gray	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
54486ea8a95SWilliam Breathitt Gray	  base port addresses for the devices may be configured via the base
54586ea8a95SWilliam Breathitt Gray	  module parameter. The interrupt line numbers for the devices may be
54686ea8a95SWilliam Breathitt Gray	  configured via the irq module parameter.
547bc6a73bbSLinus Walleij
5486ddcf9b4SWilliam Breathitt Grayconfig GPIO_104_IDI_48
5496ddcf9b4SWilliam Breathitt Gray	tristate "ACCES 104-IDI-48 GPIO support"
550f4ae9169SWilliam Breathitt Gray	depends on ISA_BUS_API
5516ddcf9b4SWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
5526ddcf9b4SWilliam Breathitt Gray	help
55372bf7443SWilliam Breathitt Gray	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
55472bf7443SWilliam Breathitt Gray	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
55572bf7443SWilliam Breathitt Gray	  the devices may be configured via the base module parameter. The
55672bf7443SWilliam Breathitt Gray	  interrupt line numbers for the devices may be configured via the irq
55772bf7443SWilliam Breathitt Gray	  module parameter.
5586ddcf9b4SWilliam Breathitt Gray
559bc6a73bbSLinus Walleijconfig GPIO_F7188X
5601920906fSPeter Hung	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
561bc6a73bbSLinus Walleij	help
562bc6a73bbSLinus Walleij	  This option enables support for GPIOs found on Fintek Super-I/O
5631920906fSPeter Hung	  chips F71869, F71869A, F71882FG, F71889F and F81866.
564bc6a73bbSLinus Walleij
565bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
566bc6a73bbSLinus Walleij	  be called f7188x-gpio.
567bc6a73bbSLinus Walleij
5686ea5dcdfSWilliam Breathitt Grayconfig GPIO_GPIO_MM
5696ea5dcdfSWilliam Breathitt Gray	tristate "Diamond Systems GPIO-MM GPIO support"
5706ea5dcdfSWilliam Breathitt Gray	depends on ISA_BUS_API
5716ea5dcdfSWilliam Breathitt Gray	help
5726ea5dcdfSWilliam Breathitt Gray	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
5736ea5dcdfSWilliam Breathitt Gray
5746ea5dcdfSWilliam Breathitt Gray	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
5756ea5dcdfSWilliam Breathitt Gray	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO
5766ea5dcdfSWilliam Breathitt Gray	  support for these 48 channels of digital I/O.
5776ea5dcdfSWilliam Breathitt Gray
5786ea5dcdfSWilliam Breathitt Gray	  The base port addresses for the devices may be configured via the base
5796ea5dcdfSWilliam Breathitt Gray	  array module parameter.
5806ea5dcdfSWilliam Breathitt Gray
581bc6a73bbSLinus Walleijconfig GPIO_IT87
582bc6a73bbSLinus Walleij	tristate "IT87xx GPIO support"
583bc6a73bbSLinus Walleij	help
584bc6a73bbSLinus Walleij	  Say yes here to support GPIO functionality of IT87xx Super I/O chips.
585bc6a73bbSLinus Walleij
586bc6a73bbSLinus Walleij	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
5878fccdb58SMartin Blumenstingl	  supports the IT8761E, IT8620E and IT8628E Super I/O chip as well.
588bc6a73bbSLinus Walleij
589bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
590bc6a73bbSLinus Walleij	  be called gpio_it87
591bc6a73bbSLinus Walleij
592bc6a73bbSLinus Walleijconfig GPIO_SCH
593bc6a73bbSLinus Walleij	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
5947768feb0SLinus Walleij	depends on PCI
595bc6a73bbSLinus Walleij	select MFD_CORE
596bc6a73bbSLinus Walleij	select LPC_SCH
597bc6a73bbSLinus Walleij	help
598bc6a73bbSLinus Walleij	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
599bc6a73bbSLinus Walleij	  Intel Tunnel Creek processor, Intel Centerton processor or
600bc6a73bbSLinus Walleij	  Intel Quark X1000 SoC.
601bc6a73bbSLinus Walleij
602bc6a73bbSLinus Walleij	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
603bc6a73bbSLinus Walleij	  powered by the core power rail and are turned off during sleep
604bc6a73bbSLinus Walleij	  modes (S3 and higher). The remaining four GPIOs are powered by
605bc6a73bbSLinus Walleij	  the Intel SCH suspend power supply. These GPIOs remain
606bc6a73bbSLinus Walleij	  active during S3. The suspend powered GPIOs can be used to wake the
607bc6a73bbSLinus Walleij	  system from the Suspend-to-RAM state.
608bc6a73bbSLinus Walleij
609bc6a73bbSLinus Walleij	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
610bc6a73bbSLinus Walleij	  core power rail and 9 from suspend power supply.
611bc6a73bbSLinus Walleij
612bc6a73bbSLinus Walleij	  The Intel Centerton processor has a total of 30 GPIO pins.
613bc6a73bbSLinus Walleij	  Twenty-one are powered by the core power rail and 9 from the
614bc6a73bbSLinus Walleij	  suspend power supply.
615bc6a73bbSLinus Walleij
616bc6a73bbSLinus Walleij	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
617bc6a73bbSLinus Walleij	  power well and 6 from the suspend power well.
618bc6a73bbSLinus Walleij
619bc6a73bbSLinus Walleijconfig GPIO_SCH311X
620bc6a73bbSLinus Walleij	tristate "SMSC SCH311x SuperI/O GPIO"
621bc6a73bbSLinus Walleij	help
622bc6a73bbSLinus Walleij	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
623bc6a73bbSLinus Walleij	  SCH3116 "Super I/O" chipsets.
624bc6a73bbSLinus Walleij
625bc6a73bbSLinus Walleij	  To compile this driver as a module, choose M here: the module will
626bc6a73bbSLinus Walleij	  be called gpio-sch311x.
627bc6a73bbSLinus Walleij
628bc6a73bbSLinus Walleijconfig GPIO_TS5500
629bc6a73bbSLinus Walleij	tristate "TS-5500 DIO blocks and compatibles"
630bc6a73bbSLinus Walleij	depends on TS5500 || COMPILE_TEST
631bc6a73bbSLinus Walleij	help
632bc6a73bbSLinus Walleij	  This driver supports Digital I/O exposed by pin blocks found on some
633bc6a73bbSLinus Walleij	  Technologic Systems platforms. It includes, but is not limited to, 3
634bc6a73bbSLinus Walleij	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
635bc6a73bbSLinus Walleij	  LCD port.
636bc6a73bbSLinus Walleij
6379c26df9bSWilliam Breathitt Grayconfig GPIO_WS16C48
6389c26df9bSWilliam Breathitt Gray	tristate "WinSystems WS16C48 GPIO support"
639f4ae9169SWilliam Breathitt Gray	depends on ISA_BUS_API
6409c26df9bSWilliam Breathitt Gray	select GPIOLIB_IRQCHIP
6419c26df9bSWilliam Breathitt Gray	help
642cc736607SWilliam Breathitt Gray	  Enables GPIO support for the WinSystems WS16C48. The base port
643cc736607SWilliam Breathitt Gray	  addresses for the devices may be configured via the base module
644cc736607SWilliam Breathitt Gray	  parameter. The interrupt line numbers for the devices may be
645cc736607SWilliam Breathitt Gray	  configured via the irq module parameter.
6469c26df9bSWilliam Breathitt Gray
647bc6a73bbSLinus Walleijendmenu
648bc6a73bbSLinus Walleij
649177b0381SLinus Walleijmenu "I2C GPIO expanders"
650177b0381SLinus Walleij	depends on I2C
651a9c5fff5SDavid Brownell
652bf5a16baSLinus Walleijconfig GPIO_ADP5588
653bf5a16baSLinus Walleij	tristate "ADP5588 I2C GPIO expander"
65431ba56f2SMark Brown	help
655bf5a16baSLinus Walleij	  This option enables support for 18 GPIOs found
656bf5a16baSLinus Walleij	  on Analog Devices ADP5588 GPIO Expanders.
657e952805dSWolfram Sang
658bf5a16baSLinus Walleijconfig GPIO_ADP5588_IRQ
659bf5a16baSLinus Walleij	bool "Interrupt controller support for ADP5588"
660bf5a16baSLinus Walleij	depends on GPIO_ADP5588=y
661bbcd6d54SEric Miao	help
662bf5a16baSLinus Walleij	  Say yes here to enable the adp5588 to be used as an interrupt
663bf5a16baSLinus Walleij	  controller. It requires the driver to be built in the kernel.
664a9c5fff5SDavid Brownell
665bf5a16baSLinus Walleijconfig GPIO_ADNP
666bf5a16baSLinus Walleij	tristate "Avionic Design N-bit GPIO expander"
667269a46f8SLinus Walleij	depends on OF_GPIO
668104fb1d5SZhu, Lejun	select GPIOLIB_IRQCHIP
669104fb1d5SZhu, Lejun	help
670bf5a16baSLinus Walleij	  This option enables support for N GPIOs found on Avionic Design
671bf5a16baSLinus Walleij	  I2C GPIO expanders. The register space will be extended by powers
672bf5a16baSLinus Walleij	  of two, so the controller will need to accommodate for that. For
673bf5a16baSLinus Walleij	  example: if a controller provides 48 pins, 6 registers will be
674bf5a16baSLinus Walleij	  enough to represent all pins, but the driver will assume a
675bf5a16baSLinus Walleij	  register layout for 64 pins (8 registers).
6760cc59b9dSMilo Kim
677a9c5fff5SDavid Brownellconfig GPIO_MAX7300
678bbcd6d54SEric Miao	tristate "Maxim MAX7300 GPIO expander"
679bbcd6d54SEric Miao	select GPIO_MAX730X
680bbcd6d54SEric Miao	help
6812b861f4bSAxel Lin	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
682a9c5fff5SDavid Brownell
683bbcd6d54SEric Miaoconfig GPIO_MAX732X
684bbcd6d54SEric Miao	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
685bbcd6d54SEric Miao	help
686bbcd6d54SEric Miao	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
687bbcd6d54SEric Miao	  Port Expanders. Each IO port on these chips has a fixed role of
688bbcd6d54SEric Miao	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
689bbcd6d54SEric Miao	  Input and Output (designed by 'P'). The combinations are listed
690bbcd6d54SEric Miao	  below:
691bbcd6d54SEric Miao
692bbcd6d54SEric Miao	  8 bits:	max7319 (8I), max7320 (8O), max7321 (8P),
693bbcd6d54SEric Miao		  	max7322 (4I4O), max7323 (4P4O)
694bbcd6d54SEric Miao
695bbcd6d54SEric Miao	  16 bits:	max7324 (8I8O), max7325 (8P8O),
696bbcd6d54SEric Miao		  	max7326 (4I12O), max7327 (4P12O)
697bbcd6d54SEric Miao
698bbcd6d54SEric Miao	  Board setup code must specify the model to use, and the start
699bbcd6d54SEric Miao	  number for these GPIOs.
700bbcd6d54SEric Miao
701a80a0bbeSMarc Zyngierconfig GPIO_MAX732X_IRQ
702a80a0bbeSMarc Zyngier	bool "Interrupt controller support for MAX732x"
7030244ad00SMartin Schwidefsky	depends on GPIO_MAX732X=y
704984f6643SLinus Walleij	select GPIOLIB_IRQCHIP
705a80a0bbeSMarc Zyngier	help
706a80a0bbeSMarc Zyngier	  Say yes here to enable the max732x to be used as an interrupt
707a80a0bbeSMarc Zyngier	  controller. It requires the driver to be built in the kernel.
708a80a0bbeSMarc Zyngier
709608589b1Swu guoxingconfig GPIO_MC9S08DZ60
710608589b1Swu guoxing	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
7114c30aa33SAxel Lin	depends on I2C=y && MACH_MX35_3DS
712608589b1Swu guoxing	help
713608589b1Swu guoxing	  Select this to enable the MC9S08DZ60 GPIO driver
714608589b1Swu guoxing
715f3dc3630SGuennadi Liakhovetskiconfig GPIO_PCA953X
716eb32b5aaSAaron Sierra	tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
7179e60fdcfSeric miao	help
7187059d4b0SDavid Brownell	  Say yes here to provide access to several register-oriented
7197059d4b0SDavid Brownell	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
7207059d4b0SDavid Brownell	  models include:
7217059d4b0SDavid Brownell
7227059d4b0SDavid Brownell	  4 bits:	pca9536, pca9537
7237059d4b0SDavid Brownell
724c29985ddSAxel Lin	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
725e73760a6SAaron Sierra			pca9556, pca9557, pca9574, tca6408, xra1202
7267059d4b0SDavid Brownell
727c29985ddSAxel Lin	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
728c29985ddSAxel Lin			tca6416
7299e60fdcfSeric miao
7301e191695SAaron Sierra	  24 bits:	tca6424
7311e191695SAaron Sierra
732eb32b5aaSAaron Sierra	  40 bits:	pca9505, pca9698
7331e191695SAaron Sierra
73489ea8bbeSMarc Zyngierconfig GPIO_PCA953X_IRQ
73589ea8bbeSMarc Zyngier	bool "Interrupt controller support for PCA953x"
73689ea8bbeSMarc Zyngier	depends on GPIO_PCA953X=y
7377bcbce55SLinus Walleij	select GPIOLIB_IRQCHIP
73889ea8bbeSMarc Zyngier	help
73989ea8bbeSMarc Zyngier	  Say yes here to enable the pca953x to be used as an interrupt
74089ea8bbeSMarc Zyngier	  controller. It requires the driver to be built in the kernel.
74189ea8bbeSMarc Zyngier
74215fae37dSDavid Brownellconfig GPIO_PCF857X
7431673ad52SDavid Brownell	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
744a39294bdSGeert Uytterhoeven	select GPIOLIB_IRQCHIP
745901acf5bSArnd Bergmann	select IRQ_DOMAIN
74615fae37dSDavid Brownell	help
74715fae37dSDavid Brownell	  Say yes here to provide access to most "quasi-bidirectional" I2C
74815fae37dSDavid Brownell	  GPIO expanders used for additional digital outputs or inputs.
74915fae37dSDavid Brownell	  Most of these parts are from NXP, though TI is a second source for
75015fae37dSDavid Brownell	  some of them.  Compatible models include:
75115fae37dSDavid Brownell
75215fae37dSDavid Brownell	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
7531673ad52SDavid Brownell	            pca9670, pca9672, pca9674, pca9674a,
7541673ad52SDavid Brownell	  	    max7328, max7329
75515fae37dSDavid Brownell
75615fae37dSDavid Brownell	  16 bits:  pcf8575, pcf8575c, pca8575,
75715fae37dSDavid Brownell	            pca9671, pca9673, pca9675
75815fae37dSDavid Brownell
75915fae37dSDavid Brownell	  Your board setup code will need to declare the expanders in
76015fae37dSDavid Brownell	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
76115fae37dSDavid Brownell	  can then be used from drivers and other kernel code, just like
76215fae37dSDavid Brownell	  other GPIOs, but only accessible from task contexts.
76315fae37dSDavid Brownell
76415fae37dSDavid Brownell	  This driver provides an in-kernel interface to those GPIOs using
76515fae37dSDavid Brownell	  platform-neutral GPIO calls.
76615fae37dSDavid Brownell
767c34f16b7SGregory Beanconfig GPIO_SX150X
768c34f16b7SGregory Bean	bool "Semtech SX150x I2C GPIO expander"
769c34f16b7SGregory Bean	depends on I2C=y
770093e9435SWei Chen	select GPIOLIB_IRQCHIP
771c34f16b7SGregory Bean	default n
772c34f16b7SGregory Bean	help
773c34f16b7SGregory Bean	  Say yes here to provide support for Semtech SX150-series I2C
774c34f16b7SGregory Bean	  GPIO expanders. Compatible models include:
775c34f16b7SGregory Bean
776c34f16b7SGregory Bean	  8 bits:  sx1508q
777c34f16b7SGregory Bean	  16 bits: sx1509q
778c34f16b7SGregory Bean
779b866526dSAndrew F. Davisconfig GPIO_TPIC2810
780b866526dSAndrew F. Davis	tristate "TPIC2810 8-Bit I2C GPO expander"
781b866526dSAndrew F. Davis	help
782b866526dSAndrew F. Davis	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
783b866526dSAndrew F. Davis
784b866526dSAndrew F. Davis	  To compile this driver as a module, choose M here: the module will
785b866526dSAndrew F. Davis	  be called gpio-tpic2810.
786b866526dSAndrew F. Davis
7879c668632SLucile Quirionconfig GPIO_TS4900
7889c668632SLucile Quirion	tristate "Technologic Systems FPGA I2C GPIO"
7899c668632SLucile Quirion	select REGMAP_I2C
7909c668632SLucile Quirion	help
7919c668632SLucile Quirion	  Say yes here to enabled the GPIO driver for Technologic's FPGA core.
7929c668632SLucile Quirion	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
7939c668632SLucile Quirion
794177b0381SLinus Walleijendmenu
795177b0381SLinus Walleij
796177b0381SLinus Walleijmenu "MFD GPIO expanders"
797be9cab5bSLinus Walleij
798be9cab5bSLinus Walleijconfig GPIO_ADP5520
799be9cab5bSLinus Walleij	tristate "GPIO Support for ADP5520 PMIC"
800be9cab5bSLinus Walleij	depends on PMIC_ADP5520
801be9cab5bSLinus Walleij	help
802be9cab5bSLinus Walleij	  This option enables support for on-chip GPIO found
803be9cab5bSLinus Walleij	  on Analog Devices ADP5520 PMICs.
804be9cab5bSLinus Walleij
805be9cab5bSLinus Walleijconfig GPIO_ARIZONA
806be9cab5bSLinus Walleij	tristate "Wolfson Microelectronics Arizona class devices"
807be9cab5bSLinus Walleij	depends on MFD_ARIZONA
808be9cab5bSLinus Walleij	help
809be9cab5bSLinus Walleij	  Support for GPIOs on Wolfson Arizona class devices.
810be9cab5bSLinus Walleij
811be9cab5bSLinus Walleijconfig GPIO_CRYSTAL_COVE
812be9cab5bSLinus Walleij	tristate "GPIO support for Crystal Cove PMIC"
813be9cab5bSLinus Walleij	depends on INTEL_SOC_PMIC
814be9cab5bSLinus Walleij	select GPIOLIB_IRQCHIP
815be9cab5bSLinus Walleij	help
816be9cab5bSLinus Walleij	  Support for GPIO pins on Crystal Cove PMIC.
817be9cab5bSLinus Walleij
818be9cab5bSLinus Walleij	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
819be9cab5bSLinus Walleij	  inside.
820be9cab5bSLinus Walleij
821be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module will be
822be9cab5bSLinus Walleij	  called gpio-crystalcove.
823be9cab5bSLinus Walleij
824be9cab5bSLinus Walleijconfig GPIO_CS5535
825be9cab5bSLinus Walleij	tristate "AMD CS5535/CS5536 GPIO support"
826be9cab5bSLinus Walleij	depends on MFD_CS5535
827be9cab5bSLinus Walleij	help
828be9cab5bSLinus Walleij	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
829be9cab5bSLinus Walleij	  can be used for quite a number of things.  The CS5535/6 is found on
830be9cab5bSLinus Walleij	  AMD Geode and Lemote Yeeloong devices.
831be9cab5bSLinus Walleij
832be9cab5bSLinus Walleij	  If unsure, say N.
833be9cab5bSLinus Walleij
834be9cab5bSLinus Walleijconfig GPIO_DA9052
835be9cab5bSLinus Walleij	tristate "Dialog DA9052 GPIO"
836be9cab5bSLinus Walleij	depends on PMIC_DA9052
837be9cab5bSLinus Walleij	help
838be9cab5bSLinus Walleij	  Say yes here to enable the GPIO driver for the DA9052 chip.
839be9cab5bSLinus Walleij
840be9cab5bSLinus Walleijconfig GPIO_DA9055
841be9cab5bSLinus Walleij	tristate "Dialog Semiconductor DA9055 GPIO"
842be9cab5bSLinus Walleij	depends on MFD_DA9055
843be9cab5bSLinus Walleij	help
844be9cab5bSLinus Walleij	  Say yes here to enable the GPIO driver for the DA9055 chip.
845be9cab5bSLinus Walleij
846be9cab5bSLinus Walleij	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
847be9cab5bSLinus Walleij	  be controller by this driver.
848be9cab5bSLinus Walleij
849be9cab5bSLinus Walleij	  If driver is built as a module it will be called gpio-da9055.
850be9cab5bSLinus Walleij
851be9cab5bSLinus Walleijconfig GPIO_DLN2
852be9cab5bSLinus Walleij	tristate "Diolan DLN2 GPIO support"
853be9cab5bSLinus Walleij	depends on MFD_DLN2
854be9cab5bSLinus Walleij	select GPIOLIB_IRQCHIP
855be9cab5bSLinus Walleij
856be9cab5bSLinus Walleij	help
857be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the Diolan DLN2
858be9cab5bSLinus Walleij	  board.
859be9cab5bSLinus Walleij
860be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module
861be9cab5bSLinus Walleij	  will be called gpio-dln2.
862be9cab5bSLinus Walleij
863be9cab5bSLinus Walleijconfig GPIO_JANZ_TTL
864be9cab5bSLinus Walleij	tristate "Janz VMOD-TTL Digital IO Module"
865be9cab5bSLinus Walleij	depends on MFD_JANZ_CMODIO
866be9cab5bSLinus Walleij	help
867be9cab5bSLinus Walleij	  This enables support for the Janz VMOD-TTL Digital IO module.
868be9cab5bSLinus Walleij	  This driver provides support for driving the pins in output
869be9cab5bSLinus Walleij	  mode only. Input mode is not supported.
870be9cab5bSLinus Walleij
871be9cab5bSLinus Walleijconfig GPIO_KEMPLD
872be9cab5bSLinus Walleij	tristate "Kontron ETX / COMexpress GPIO"
873be9cab5bSLinus Walleij	depends on MFD_KEMPLD
874be9cab5bSLinus Walleij	help
875be9cab5bSLinus Walleij	  This enables support for the PLD GPIO interface on some Kontron ETX
876be9cab5bSLinus Walleij	  and COMexpress (ETXexpress) modules.
877be9cab5bSLinus Walleij
878be9cab5bSLinus Walleij	  This driver can also be built as a module. If so, the module will be
879be9cab5bSLinus Walleij	  called gpio-kempld.
880be9cab5bSLinus Walleij
881be9cab5bSLinus Walleijconfig GPIO_LP3943
882be9cab5bSLinus Walleij	tristate "TI/National Semiconductor LP3943 GPIO expander"
883be9cab5bSLinus Walleij	depends on MFD_LP3943
884be9cab5bSLinus Walleij	help
885be9cab5bSLinus Walleij	  GPIO driver for LP3943 MFD.
886be9cab5bSLinus Walleij	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
887be9cab5bSLinus Walleij	  Open drain outputs are required for this usage.
888be9cab5bSLinus Walleij
88902c5ba1eSLaxman Dewanganconfig GPIO_MAX77620
89002c5ba1eSLaxman Dewangan	tristate "GPIO support for PMIC MAX77620 and MAX20024"
89102c5ba1eSLaxman Dewangan	depends on MFD_MAX77620
89202c5ba1eSLaxman Dewangan	help
89302c5ba1eSLaxman Dewangan	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
89402c5ba1eSLaxman Dewangan	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
89502c5ba1eSLaxman Dewangan	  driver also provides interrupt support for each of the gpios.
89602c5ba1eSLaxman Dewangan	  Say yes here to enable the max77620 to be used as gpio controller.
89702c5ba1eSLaxman Dewangan
898be9cab5bSLinus Walleijconfig GPIO_MSIC
899be9cab5bSLinus Walleij	bool "Intel MSIC mixed signal gpio support"
900be9cab5bSLinus Walleij	depends on MFD_INTEL_MSIC
901be9cab5bSLinus Walleij	help
902be9cab5bSLinus Walleij	  Enable support for GPIO on intel MSIC controllers found in
903be9cab5bSLinus Walleij	  intel MID devices
904be9cab5bSLinus Walleij
905be9cab5bSLinus Walleijconfig GPIO_PALMAS
906be9cab5bSLinus Walleij	bool "TI PALMAS series PMICs GPIO"
907be9cab5bSLinus Walleij	depends on MFD_PALMAS
908be9cab5bSLinus Walleij	help
909be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TI PALMAS
910be9cab5bSLinus Walleij	  series chip family.
911be9cab5bSLinus Walleij
912a9c5fff5SDavid Brownellconfig GPIO_RC5T583
913a9c5fff5SDavid Brownell	bool "RICOH RC5T583 GPIO"
914a9c5fff5SDavid Brownell	depends on MFD_RC5T583
915a9c5fff5SDavid Brownell	help
916a9c5fff5SDavid Brownell	  Select this option to enable GPIO driver for the Ricoh RC5T583
917a9c5fff5SDavid Brownell	  chip family.
918a9c5fff5SDavid Brownell	  This driver provides the support for driving/reading the gpio pins
919a9c5fff5SDavid Brownell	  of RC5T583 device through standard gpio library.
920a9c5fff5SDavid Brownell
92103f822f5SRabin Vincentconfig GPIO_STMPE
92203f822f5SRabin Vincent	bool "STMPE GPIOs"
92303f822f5SRabin Vincent	depends on MFD_STMPE
9241dfb4a0dSLinus Walleij	depends on OF_GPIO
925fe44e70dSLinus Walleij	select GPIOLIB_IRQCHIP
92603f822f5SRabin Vincent	help
92703f822f5SRabin Vincent	  This enables support for the GPIOs found on the STMPE I/O
92803f822f5SRabin Vincent	  Expanders.
92903f822f5SRabin Vincent
930f4e8afdcSSundar Iyerconfig GPIO_TC3589X
931f4e8afdcSSundar Iyer	bool "TC3589X GPIOs"
932f4e8afdcSSundar Iyer	depends on MFD_TC3589X
9331422731dSLinus Walleij	depends on OF_GPIO
934cf42f1cfSLinus Walleij	select GPIOLIB_IRQCHIP
935d88b25beSRabin Vincent	help
936f4e8afdcSSundar Iyer	  This enables support for the GPIOs found on the TC3589X
937d88b25beSRabin Vincent	  I/O Expander.
938d88b25beSRabin Vincent
939be9cab5bSLinus Walleijconfig GPIO_TIMBERDALE
940be9cab5bSLinus Walleij	bool "Support for timberdale GPIO IP"
941be9cab5bSLinus Walleij	depends on MFD_TIMBERDALE
942be9cab5bSLinus Walleij	---help---
943be9cab5bSLinus Walleij	Add support for the GPIO IP in the timberdale FPGA.
944be9cab5bSLinus Walleij
94599f0fd54SAndrew F. Davisconfig GPIO_TPS65086
94699f0fd54SAndrew F. Davis	tristate "TI TPS65086 GPO"
94799f0fd54SAndrew F. Davis	depends on MFD_TPS65086
94899f0fd54SAndrew F. Davis	help
94999f0fd54SAndrew F. Davis	  This driver supports the GPO on TI TPS65086x PMICs.
95099f0fd54SAndrew F. Davis
951c366c76aSNicolas Saenz Julienneconfig GPIO_TPS65218
952c366c76aSNicolas Saenz Julienne	tristate "TPS65218 GPIO"
953c366c76aSNicolas Saenz Julienne	depends on MFD_TPS65218
954c366c76aSNicolas Saenz Julienne	help
955c366c76aSNicolas Saenz Julienne	  Select this option to enable GPIO driver for the TPS65218
956c366c76aSNicolas Saenz Julienne	  chip family.
957c366c76aSNicolas Saenz Julienne
958be9cab5bSLinus Walleijconfig GPIO_TPS6586X
959be9cab5bSLinus Walleij	bool "TPS6586X GPIO"
960be9cab5bSLinus Walleij	depends on MFD_TPS6586X
961be9cab5bSLinus Walleij	help
962be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TPS6586X
963be9cab5bSLinus Walleij	  chip family.
964be9cab5bSLinus Walleij
965be9cab5bSLinus Walleijconfig GPIO_TPS65910
966be9cab5bSLinus Walleij	bool "TPS65910 GPIO"
967be9cab5bSLinus Walleij	depends on MFD_TPS65910
968be9cab5bSLinus Walleij	help
969be9cab5bSLinus Walleij	  Select this option to enable GPIO driver for the TPS65910
970be9cab5bSLinus Walleij	  chip family.
971be9cab5bSLinus Walleij
972668a6cc7SMargarita Olayaconfig GPIO_TPS65912
973668a6cc7SMargarita Olaya	tristate "TI TPS65912 GPIO"
974ca801a22SAndrew F. Davis	depends on MFD_TPS65912
975668a6cc7SMargarita Olaya	help
976668a6cc7SMargarita Olaya	  This driver supports TPS65912 gpio chip
977668a6cc7SMargarita Olaya
978e9d35947SDavid Brownellconfig GPIO_TWL4030
979e9d35947SDavid Brownell	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
980e9d35947SDavid Brownell	depends on TWL4030_CORE
981e9d35947SDavid Brownell	help
982e9d35947SDavid Brownell	  Say yes here to access the GPIO signals of various multi-function
983e9d35947SDavid Brownell	  power management chips from Texas Instruments.
984e9d35947SDavid Brownell
98570ffd691SPeter Ujfalusiconfig GPIO_TWL6040
98670ffd691SPeter Ujfalusi	tristate "TWL6040 GPO"
98770ffd691SPeter Ujfalusi	depends on TWL6040_CORE
98870ffd691SPeter Ujfalusi	help
98970ffd691SPeter Ujfalusi	  Say yes here to access the GPO signals of twl6040
99070ffd691SPeter Ujfalusi	  audio chip from Texas Instruments.
99170ffd691SPeter Ujfalusi
992be9cab5bSLinus Walleijconfig GPIO_UCB1400
993be9cab5bSLinus Walleij	tristate "Philips UCB1400 GPIO"
994be9cab5bSLinus Walleij	depends on UCB1400_CORE
995be9cab5bSLinus Walleij	help
996be9cab5bSLinus Walleij	  This enables support for the Philips UCB1400 GPIO pins.
997be9cab5bSLinus Walleij	  The UCB1400 is an AC97 audio codec.
998be9cab5bSLinus Walleij
9990ba19cfcSBin Gaoconfig GPIO_WHISKEY_COVE
10000ba19cfcSBin Gao	tristate "GPIO support for Whiskey Cove PMIC"
10010ba19cfcSBin Gao	depends on INTEL_SOC_PMIC
10020ba19cfcSBin Gao	select GPIOLIB_IRQCHIP
10030ba19cfcSBin Gao	help
10040ba19cfcSBin Gao	  Support for GPIO pins on Whiskey Cove PMIC.
10050ba19cfcSBin Gao
10060ba19cfcSBin Gao	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
10070ba19cfcSBin Gao	  inside.
10080ba19cfcSBin Gao
10090ba19cfcSBin Gao	  This driver can also be built as a module. If so, the module will be
10100ba19cfcSBin Gao	  called gpio-wcove.
10110ba19cfcSBin Gao
1012e4b736f1SMark Brownconfig GPIO_WM831X
1013e4b736f1SMark Brown	tristate "WM831x GPIOs"
1014e4b736f1SMark Brown	depends on MFD_WM831X
1015e4b736f1SMark Brown	help
1016e4b736f1SMark Brown	  Say yes here to access the GPIO signals of WM831x power management
1017e4b736f1SMark Brown	  chips from Wolfson Microelectronics.
1018e4b736f1SMark Brown
101938f6ce45SMark Brownconfig GPIO_WM8350
102038f6ce45SMark Brown	tristate "WM8350 GPIOs"
102138f6ce45SMark Brown	depends on MFD_WM8350
102238f6ce45SMark Brown	help
102338f6ce45SMark Brown	  Say yes here to access the GPIO signals of WM8350 power management
102438f6ce45SMark Brown	  chips from Wolfson Microelectronics.
102538f6ce45SMark Brown
10262955c309SMark Brownconfig GPIO_WM8994
10272955c309SMark Brown	tristate "WM8994 GPIOs"
10282955c309SMark Brown	depends on MFD_WM8994
10292955c309SMark Brown	help
10302955c309SMark Brown	  Say yes here to access the GPIO signals of WM8994 audio hub
10312955c309SMark Brown	  CODECs from Wolfson Microelectronics.
10322955c309SMark Brown
1033177b0381SLinus Walleijendmenu
1034177b0381SLinus Walleij
1035177b0381SLinus Walleijmenu "PCI GPIO expanders"
1036177b0381SLinus Walleij	depends on PCI
1037ff1d5c2fSMichael Buesch
103892c33ef7SLinus Walleijconfig GPIO_AMD8111
103992c33ef7SLinus Walleij	tristate "AMD 8111 GPIO driver"
1040ff1d5c2fSMichael Buesch	help
104192c33ef7SLinus Walleij	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
10425f0a96b0SAndres Salomon
104392c33ef7SLinus Walleij	  Note, that usually system firmware/ACPI handles GPIO pins on their
104492c33ef7SLinus Walleij	  own and users might easily break their systems with uncarefull usage
104592c33ef7SLinus Walleij	  of this driver!
1046ff1d5c2fSMichael Buesch
104792c33ef7SLinus Walleij	  If unsure, say N
10485f0a96b0SAndres Salomon
1049ff1d5c2fSMichael Bueschconfig GPIO_BT8XX
1050ff1d5c2fSMichael Buesch	tristate "BT8XX GPIO abuser"
105103744529SAndrew F. Davis	depends on VIDEO_BT848=n
1052ff1d5c2fSMichael Buesch	help
105322520edcSGeert Uytterhoeven	  The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1054ff1d5c2fSMichael Buesch	  as a cheap PCI GPIO card.
1055ff1d5c2fSMichael Buesch
1056ff1d5c2fSMichael Buesch	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1057ff1d5c2fSMichael Buesch
1058ff1d5c2fSMichael Buesch	  The card needs to be physically altered for using it as a
1059ff1d5c2fSMichael Buesch	  GPIO card. For more information on how to build a GPIO card
1060ff1d5c2fSMichael Buesch	  from a BT8xx TV card, see the documentation file at
1061ff1d5c2fSMichael Buesch	  Documentation/bt8xxgpio.txt
1062ff1d5c2fSMichael Buesch
1063ff1d5c2fSMichael Buesch	  If unsure, say N.
1064ff1d5c2fSMichael Buesch
106584743ea3SDavid Cohenconfig GPIO_INTEL_MID
1066c78e3cf1SAndy Shevchenko	bool "Intel MID GPIO support"
1067c78e3cf1SAndy Shevchenko	depends on X86_INTEL_MID
1068fc346270SLinus Walleij	select GPIOLIB_IRQCHIP
10698bf02617SAlek Du	help
1070c78e3cf1SAndy Shevchenko	  Say Y here to support Intel MID GPIO.
10718bf02617SAlek Du
1072ccf6fd6dSAndy Shevchenkoconfig GPIO_MERRIFIELD
1073ccf6fd6dSAndy Shevchenko	tristate "Intel Merrifield GPIO support"
1074ccf6fd6dSAndy Shevchenko	depends on X86_INTEL_MID
1075ccf6fd6dSAndy Shevchenko	select GPIOLIB_IRQCHIP
1076ccf6fd6dSAndy Shevchenko	help
1077ccf6fd6dSAndy Shevchenko	  Say Y here to support Intel Merrifield GPIO.
10780c36ec31SJuergen Beisert
107992c33ef7SLinus Walleijconfig GPIO_ML_IOH
108092c33ef7SLinus Walleij	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
108192c33ef7SLinus Walleij	select GENERIC_IRQ_CHIP
108292c33ef7SLinus Walleij	help
108392c33ef7SLinus Walleij	  ML7213 is companion chip for Intel Atom E6xx series.
108492c33ef7SLinus Walleij	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
108592c33ef7SLinus Walleij	  Hub) which is for IVI(In-Vehicle Infotainment) use.
108692c33ef7SLinus Walleij	  This driver can access the IOH's GPIO device.
108792c33ef7SLinus Walleij
108804c17aa8STomoya MORINAGAconfig GPIO_PCH
1089868fea05STomoya MORINAGA	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
109003744529SAndrew F. Davis	depends on X86_32 || MIPS || COMPILE_TEST
109138eb18a6STomoya MORINAGA	select GENERIC_IRQ_CHIP
109204c17aa8STomoya MORINAGA	help
109304c17aa8STomoya MORINAGA	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
109404c17aa8STomoya MORINAGA	  which is an IOH(Input/Output Hub) for x86 embedded processor.
109504c17aa8STomoya MORINAGA	  This driver can access PCH GPIO device.
109604c17aa8STomoya MORINAGA
1097868fea05STomoya MORINAGA	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1098868fea05STomoya MORINAGA	  Output Hub), ML7223 and ML7831.
1099bc786cceSTomoya MORINAGA	  ML7223 IOH is for MP(Media Phone) use.
1100868fea05STomoya MORINAGA	  ML7831 IOH is for general purpose use.
1101868fea05STomoya MORINAGA	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1102868fea05STomoya MORINAGA	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1103bc786cceSTomoya MORINAGA
11049956d02dSFlorian Fainelliconfig GPIO_RDC321X
11059956d02dSFlorian Fainelli	tristate "RDC R-321x GPIO support"
1106e4be3cb7SRandy Dunlap	select MFD_CORE
11079956d02dSFlorian Fainelli	select MFD_RDC321X
11089956d02dSFlorian Fainelli	help
11099956d02dSFlorian Fainelli	  Support for the RDC R321x SoC GPIOs over southbridge
11109956d02dSFlorian Fainelli	  PCI configuration space.
11119956d02dSFlorian Fainelli
111235570ac6SRichard Röjforsconfig GPIO_SODAVILLE
1113a9c5fff5SDavid Brownell	bool "Intel Sodaville GPIO support"
111403744529SAndrew F. Davis	depends on X86 && OF
11150c36ec31SJuergen Beisert	select GPIO_GENERIC
11160c36ec31SJuergen Beisert	select GENERIC_IRQ_CHIP
1117e952805dSWolfram Sang	help
11180c36ec31SJuergen Beisert	  Say Y here to support Intel Sodaville GPIO.
1119e952805dSWolfram Sang
1120177b0381SLinus Walleijendmenu
1121e58b9e27SDavid Brownell
1122177b0381SLinus Walleijmenu "SPI GPIO expanders"
1123177b0381SLinus Walleij	depends on SPI_MASTER
1124e58b9e27SDavid Brownell
1125a7ec2e7fSLinus Walleijconfig GPIO_74X164
1126a7ec2e7fSLinus Walleij	tristate "74x164 serial-in/parallel-out 8-bits shift register"
11270963670aSLinus Walleij	depends on OF
1128a7ec2e7fSLinus Walleij	help
1129a7ec2e7fSLinus Walleij	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1130a7ec2e7fSLinus Walleij	  shift registers. This driver can be used to provide access
1131a7ec2e7fSLinus Walleij	  to more gpio outputs.
1132e58b9e27SDavid Brownell
1133e58b9e27SDavid Brownellconfig GPIO_MAX7301
1134e58b9e27SDavid Brownell	tristate "Maxim MAX7301 GPIO expander"
11351e5db006SRichard Röjfors	select GPIO_MAX730X
11361e5db006SRichard Röjfors	help
11371e5db006SRichard Röjfors	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
11381e5db006SRichard Röjfors
11390963670aSLinus Walleijconfig GPIO_MC33880
11400963670aSLinus Walleij	tristate "Freescale MC33880 high-side/low-side switch"
11410963670aSLinus Walleij	help
11420963670aSLinus Walleij	  SPI driver for Freescale MC33880 high-side/low-side switch.
11430963670aSLinus Walleij	  This provides GPIO interface supporting inputs and outputs.
11440963670aSLinus Walleij
1145df6df93cSAndrew F. Davisconfig GPIO_PISOSR
1146df6df93cSAndrew F. Davis	tristate "Generic parallel-in/serial-out shift register"
1147df6df93cSAndrew F. Davis	help
1148df6df93cSAndrew F. Davis	  GPIO driver for SPI compatible parallel-in/serial-out shift
1149df6df93cSAndrew F. Davis	  registers. These are input only devices.
1150df6df93cSAndrew F. Davis
11510963670aSLinus Walleijendmenu
11520963670aSLinus Walleij
11530963670aSLinus Walleijmenu "SPI or I2C GPIO expanders"
11540963670aSLinus Walleij	depends on (SPI_MASTER && !I2C) || I2C
11550963670aSLinus Walleij
1156e58b9e27SDavid Brownellconfig GPIO_MCP23S08
1157752ad5e8SPeter Korsgaard	tristate "Microchip MCP23xxx I/O expander"
1158dad3d272SPhil Reid	select GPIOLIB_IRQCHIP
1159e58b9e27SDavid Brownell	help
1160752ad5e8SPeter Korsgaard	  SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
1161752ad5e8SPeter Korsgaard	  I/O expanders.
11620b7bb77fSPeter Korsgaard	  This provides a GPIO interface supporting inputs and outputs.
11634e47f91bSLars Poeschel	  The I2C versions of the chips can be used as interrupt-controller.
1164e58b9e27SDavid Brownell
1165177b0381SLinus Walleijendmenu
1166ead6db08SMiguel Gaio
1167177b0381SLinus Walleijmenu "USB GPIO expanders"
1168177b0381SLinus Walleij	depends on USB
11699d5b72deSLars Poeschel
11709d5b72deSLars Poeschelconfig GPIO_VIPERBOARD
11719d5b72deSLars Poeschel	tristate "Viperboard GPIO a & b support"
117203744529SAndrew F. Davis	depends on MFD_VIPERBOARD
11739d5b72deSLars Poeschel	help
11749d5b72deSLars Poeschel	  Say yes here to access the GPIO signals of Nano River
11759d5b72deSLars Poeschel	  Technologies Viperboard. There are two GPIO chips on the
11769d5b72deSLars Poeschel	  board: gpioa and gpiob.
11779d5b72deSLars Poeschel          See viperboard API specification and Nano
11789d5b72deSLars Poeschel          River Tech's viperboard.h for detailed meaning
11799d5b72deSLars Poeschel          of the module parameters.
11809d5b72deSLars Poeschel
1181177b0381SLinus Walleijendmenu
11826732127fSDaniel Baluta
11837444a72eSMichael Bueschendif
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