Kconfig - OpenGrok cross reference for /linux-6.8/drivers/gpio/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
10 	  You only need to enable this if you also want to enable
18 	int "Maximum number of GPIOs for fast path"
47 	  this symbol, but new drivers should use the generic gpio-regmap
55 	  These checks help ensure that GPIOs have been properly initialized
57 	  non-sleeping contexts.  They can make bitbanged serial protocols
66 	  Say Y here to add the legacy sysfs interface for GPIOs.
78 	  for GPIOs. The character device allows userspace to control GPIOs
118 	  Enables support for the idio-16 library functions. The idio-16 library
120 	  ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
122 	  If built as a module its name will be gpio-idio-16.
128 	tristate "GPIO driver for 74xx-ICs with MMIO access"
132 	  Say yes here to support GPIO functionality for 74xx-compatible ICs
149 	  If driver is built as a module it will be called gpio-altera.
181 	  Select this option to enable GPIO driver for
208 	  Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
217 	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
225 	  Say yes here to enable support for Cadence GPIO controller.
239 	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
271 	  Airoha EN7523 SoC. It supports two banks of 32 GPIOs.
284 	  Selecting this option will enable handling of GPIO pins present
306 	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
310 	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
313 	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
332 	  This GPIO controller supports double-edge interrupt and multi-core
351 	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
382 	bool "Loongson-2/3 GPIO support"
385 	  Driver for GPIO functionality on Loongson-2F/3A/3B processors.
395 	  up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and
405 	  Select this option to enable GPIO driver for
412 	  Select this option to enable GPIO driver for
428 	bool "Lantiq Memory mapped GPIOs"
432 	  This enables support for memory mapped GPIOs on the External Bus Unit
433 	  (EBU) found on Lantiq SoCs. The GPIOs are output only as they are
434 	  created by attaching a 16-bit latch to the bus.
450 	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
493 	  Say yes here to support the on-chip GPIO lines on the OCTEON
503 	  Say yes here to enable GPIO support for TI OMAP SoCs.
520 	tristate "Renesas R-Car and RZ/G GPIO support"
524 	  Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs.
543 	  banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs
544 	  are grouped in four 8-bit wide ports.
551 	  A 32-bit single register GPIO fixed in/out implementation.  This
569 	  This option enables support for GPIOs found on Realtek DHC(Digital
583 	  Say yes here to use the PIOBU pins as GPIOs.
585 	  PIOBU pins on the SAMA5D2 can be used as GPIOs.
586 	  The difference from regular GPIOs is that they
587 	  maintain their value during backup/self-refresh.
605 	  via a SIOX bus and have a number of fixed-direction I/O lines.
612 	  This driver supports GPIOs via CREG on various Synopsys SoCs.
613 	  This is a single-register MMIO GPIO driver for complex cases
633 	bool "XWAY STP GPIOs"
640 	  Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and
655 	   - Elkhart Lake
656 	   - Merrifield
658 	  If built as a module its name will be gpio-tangier.
687 	tristate "TS-4800 DIO blocks and compatibles"
692 	  This driver support TS-4800 FPGA GPIO controllers.
695 	tristate "Cavium ThunderX/OCTEON-TX GPIO"
702 	  Say yes here to support the on-chip GPIO lines on the ThunderX
703 	  and OCTEON-TX families of SoCs.
711 	  Say yes here to support UniPhier GPIOs.
718 	  Say yes here to support i.MX or Vybrid vf610 GPIOs.
738 	bool "APM X-Gene GPIO controller support"
741 	  This driver is to support the GPIO block within the APM X-Gene SoC
744 	  here to enable the GFC GPIO functionality.
747 	tristate "APM X-Gene GPIO standby controller support"
753 	  This driver supports the GPIO block within the APM X-Gene
754 	  Standby Domain. Say yes here to enable the GPIO functionality.
783 	bool "LSI ZEVIO SoC memory mapped GPIOs"
796 	tristate "ZynqMP ps-mode pin GPIO configuration driver"
800 	  Say yes here to support the ZynqMP ps-mode pin GPIO configuration
803 	  This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE
804 	  is 4-bits boot mode pins. It sets and gets the status of
805 	  the ps-mode pin. Every pin can be configured as input/output.
815 	tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
818 	  as found on G-series SOCs (e.g. GX-412TC).
821 	  needs to be provided with platform-specific configuration.
832 	  ARMv7-based SoCs.
840 	  Select this option to enable GPIO driver for
841 	  IDT 79RC3243X-based devices like Mikrotik RB532.
844 	  be called gpio-idt3243x.
848 menu "Port-mapped I/O GPIO drivers"
874 	  If built as a module its name will be gpio-i8255.
877 	tristate "ACCES 104-DIO-48E GPIO support"
886 	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
887 	  104-DIO-24E). The base port addresses for the devices may be
892 	tristate "ACCES 104-IDIO-16 GPIO support"
898 	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
899 	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
905 	tristate "ACCES 104-IDI-48 GPIO support"
913 	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
914 	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
920 	tristate "Fintek and Nuvoton Super-I/O GPIO support"
922 	  This option enables support for GPIOs found on Fintek Super-I/O
924 	  As well as Nuvoton Super-I/O chip NCT6126D.
927 	  be called f7188x-gpio.
930 	tristate "Diamond Systems GPIO-MM GPIO support"
936 	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
938 	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
967 	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
969 	  modes (S3 and higher). The remaining four GPIOs are powered by
970 	  the Intel SCH suspend power supply. These GPIOs remain
971 	  active during S3. The suspend-powered GPIOs can be used to wake the
972 	  system from the Suspend-to-RAM state.
974 	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
978 	  Twenty-one are powered by the core power rail and 9 from the
981 	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
987 	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
991 	  be called gpio-sch311x.
994 	tristate "TS-5500 DIO blocks and compatibles"
999 	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
1006 	  This option enables support for GPIOs found on Winbond Super I/O
1011 	  You will need to provide a module parameter "gpios", or a
1012 	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
1013 	  ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
1016 	  be called gpio-winbond.
1037 	tristate "Avionic Design N-bit GPIO expander"
1041 	  This option enables support for N GPIOs found on Avionic Design
1056 	  be called gpio-fxl6408.
1063 	  GPIO driver for ADI DS4520 I2C-based GPIO expander.
1064 	  Say yes here to enable the GPIO driver for the ADI DS4520 chip.
1067 	  be called gpio-ds4520.
1074 	  Expander. This is used at least on the Cambria GW2358-4.
1080 	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1083 	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
1085 	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
1087 	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
1098 	  number for these GPIOs.
1105 	  Say yes here to enable the max732x to be used as an interrupt
1112 	  Say yes here to provide access to several register-oriented
1133 	  Say yes here to enable the pca953x to be used as an interrupt
1137 	tristate "PCA9570 4-Bit I2C GPO expander"
1139 	  Say yes here to enable the GPO driver for the NXP PCA9570 chip.
1142 	  be called gpio-pca9570.
1149 	  Say yes here to provide access to most "quasi-bidirectional" I2C
1162 	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
1164 	  other GPIOs, but only accessible from task contexts.
1166 	  This driver provides an in-kernel interface to those GPIOs using
1167 	  platform-neutral GPIO calls.
1170 	tristate "TPIC2810 8-Bit I2C GPO expander"
1172 	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
1175 	  be called gpio-tpic2810.
1183 	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
1193 	  This option enables support for on-chip GPIO found
1208 	  Support for GPIOs on Wolfson Arizona class devices.
1218 	  will be called gpio-bd71815.
1224 	  Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1225 	  available on the ROHM PMIC in total. The GPIOs are limited to
1227 	  OTP. Enable this only if you want to use these pins as outputs.
1230 	  will be called gpio-bd71828.
1236 	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
1241 	  will be called gpio-bd9571mwv.
1250 	  Say Yes if you have a Intel SoC-based tablet with Crystal Cove PMIC
1254 	  called gpio-crystalcove.
1271 	  Say yes here to enable the GPIO driver for the DA9052 chip.
1277 	  Say yes here to enable the GPIO driver for the DA9055 chip.
1282 	  If driver is built as a module it will be called gpio-da9055.
1290 	  Select this option to enable GPIO driver for the Diolan DLN2
1294 	  will be called gpio-dln2.
1309 	  Select this option to enable GPIO support for Intel Elkhart Lake
1313 	  be called gpio-elkhartlake.
1316 	tristate "Janz VMOD-TTL Digital IO Module"
1319 	  This enables support for the Janz VMOD-TTL Digital IO module.
1331 	  called gpio-kempld.
1339 	  Select this option to enable GPIO driver for the INTEL
1343 	  will be called gpio-ljca.
1350 	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1361 	  called gpio-lp873x.
1367 	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1371 	  called gpio-lp87565.
1377 	  Support for GPIOs on Cirrus Logic Madera class codecs.
1385 	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1386 	  driver also provides interrupt support for each of the GPIOs.
1387 	  Say yes here to enable the max77620 to be used as GPIO controller.
1400 	  Select this option to enable GPIO driver for the TI PALMAS
1415 	  Select this option to enable GPIO driver for the Ricoh RC5T583
1427 	  This enables support for the GPIOs found on the Kontron sl28 CPLD.
1430 	  called gpio-sl28cpld.
1433 	bool "STMPE GPIOs"
1438 	  This enables support for the GPIOs found on the STMPE I/O
1442 	bool "TC3589X GPIOs"
1447 	  This enables support for the GPIOs found on the TC3589X
1461 	  This enables support for the GPIOs found on the Delta
1463 	  they are input-only or output-only type.
1466 	  module will be called gpio-tn48m.
1478 	  Select this option to enable GPIO driver for the TPS65218
1486 	  Select this option to enable GPIO driver for the TPS65219 chip
1501 	  Select this option to enable GPIO driver for the TPS6586X
1508 	  Select this option to enable GPIO driver for the TPS65910
1521 	  Select this option to enable GPIO driver for the TPS68470
1523 	  There are 7 GPIOs and few sensor-related GPIOs supported
1524 	  by the TPS68470. While the 7 GPIOs can be configured as
1525 	  input or output as appropriate, the sensor related GPIOs
1526 	  are "output only" GPIOs.
1529 	tristate "TQ-Systems QTMX86 GPIO"
1537 	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1540 	  Say yes here to access the GPIO signals of various multi-function
1557 	  Say Yes if you have an Intel SoC-based tablet with Whiskey Cove PMIC
1561 	  called gpio-wcove.
1564 	tristate "WM831x GPIOs"
1571 	tristate "WM8350 GPIOs"
1578 	tristate "WM8994 GPIOs"
1609 	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1614 	  Documentation/driver-api/gpio/bt8xxgpio.rst
1649 	  This controller should be used in parallel with pinctrl-mlxbf3 to
1650 	  control the desired GPIOs.
1651 	  This driver can also be built as a module called mlxbf3-gpio.
1660 	  Hub) which is for IVI (In-Vehicle Infotainment) use.
1680 	tristate "ACCES PCI-IDIO-16 GPIO support"
1684 	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1690 	tristate "ACCES PCIe-IDIO-24 GPIO support"
1696 	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1697 	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1703 	tristate "RDC R-321x GPIO support"
1707 	  Support for the RDC R321x SoC GPIOs over southbridge
1724 	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1727 	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1736 	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1745 	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1748 	tristate "Freescale MC33880 high-side/low-side switch"
1750 	  SPI driver for Freescale MC33880 high-side/low-side switch.
1754 	tristate "Generic parallel-in/serial-out shift register"
1756 	  GPIO driver for SPI compatible parallel-in/serial-out shift
1760 	tristate "EXAR XRA1403 16-bit GPIO expander"
1763 	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
1770 	  This is the driver needed for configuring the GPIOs via the Moxtet
1772 	  so that phylink can use corresponding GPIOs.
1797 	  Say yes here to enable the GPIO Aggregator, which provides a way to
1800 	    - Assign permissions for a collection of GPIO lines to a user,
1801 	    - Export a collection of GPIO lines to a virtual machine,
1802 	    - Provide a generic driver for a GPIO-operated device in an
1809 	  Say yes here to enable a driver for GPIO multiplexers based on latches
1810 	  connected to other GPIOs.
1816 	  This module is DEPRECATED. Please consider using gpio-sim instead.
1821 	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
1829 	  Say Y here to enable guest support for virtio-based GPIO controllers.
1831 	  These virtual GPIOs can be routed to real GPIOs or attached to
1839 	  This enables the GPIO simulator - a configfs-based GPIO testing