Kconfig - OpenGrok cross reference for /linux-6.15/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.
77 	  for GPIOs. The character device allows userspace to control GPIOs
126 	  Enables support for the idio-16 library functions. The idio-16 library
128 	  ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
130 	  If built as a module its name will be gpio-idio-16.
136 	tristate "GPIO driver for 74xx-ICs with MMIO access"
140 	  Say yes here to support GPIO functionality for 74xx-compatible ICs
155 	  If driver is built as a module it will be called gpio-altera.
187 	  Select this option to enable GPIO driver for
214 	  Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
223 	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
231 	  Say yes here to enable support for Cadence GPIO controller.
245 	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
277 	  Airoha EN7523 SoC. It supports two banks of 32 GPIOs.
290 	  Selecting this option will enable handling of GPIO pins present
312 	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
316 	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
319 	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
322 	tristate "Intel Granite Rapids-D vGPIO support"
326 	  Select this to enable virtual GPIO support on platforms with the
329 	  - Intel Granite Rapids-D
337 	  be called gpio-graniterapids.
356 	  This GPIO controller supports double-edge interrupt and multi-core
375 	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
406 	bool "Loongson-2/3 GPIO support"
409 	  Driver for GPIO functionality on Loongson-2F/3A/3B processors.
419 	  up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and
429 	  Select this option to enable GPIO driver for
436 	  Select this option to enable GPIO driver for
452 	bool "Lantiq Memory mapped GPIOs"
456 	  This enables support for memory mapped GPIOs on the External Bus Unit
457 	  (EBU) found on Lantiq SoCs. The GPIOs are output only as they are
458 	  created by attaching a 16-bit latch to the bus.
474 	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
513 	  It handles up to 32 GPIOs per bank, that can all be interrupt sources.
529 	  Say yes here to support the on-chip GPIO lines on the OCTEON
539 	  Say yes here to enable GPIO support for TI OMAP SoCs.
562 	tristate "Renesas R-Car and RZ/G GPIO support"
566 	  Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs.
585 	  banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs
586 	  are grouped in four 8-bit wide ports.
593 	  A 32-bit single register GPIO fixed in/out implementation.  This
611 	  This option enables support for GPIOs found on Realtek DHC(Digital
625 	  Say yes here to use the PIOBU pins as GPIOs.
627 	  PIOBU pins on the SAMA5D2 can be used as GPIOs.
628 	  The difference from regular GPIOs is that they
629 	  maintain their value during backup/self-refresh.
647 	  via a SIOX bus and have a number of fixed-direction I/O lines.
654 	  This driver supports GPIOs via CREG on various Synopsys SoCs.
655 	  This is a single-register MMIO GPIO driver for complex cases
675 	bool "XWAY STP GPIOs"
682 	  Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and
697 	   - Elkhart Lake
698 	   - Merrifield
700 	  If built as a module its name will be gpio-tangier.
729 	tristate "TS-4800 DIO blocks and compatibles"
734 	  This driver support TS-4800 FPGA GPIO controllers.
737 	tristate "Cavium ThunderX/OCTEON-TX GPIO"
744 	  Say yes here to support the on-chip GPIO lines on the ThunderX
745 	  and OCTEON-TX families of SoCs.
753 	  Say yes here to support UniPhier GPIOs.
762 	  Say yes here to support i.MX or Vybrid vf610 GPIOs.
782 	bool "APM X-Gene GPIO controller support"
785 	  This driver is to support the GPIO block within the APM X-Gene SoC
788 	  here to enable the GFC GPIO functionality.
791 	tristate "APM X-Gene GPIO standby controller support"
797 	  This driver supports the GPIO block within the APM X-Gene
798 	  Standby Domain. Say yes here to enable the GPIO functionality.
826 	bool "LSI ZEVIO SoC memory mapped GPIOs"
839 	tristate "ZynqMP ps-mode pin GPIO configuration driver"
843 	  Say yes here to support the ZynqMP ps-mode pin GPIO configuration
846 	  This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE
847 	  is 4-bits boot mode pins. It sets and gets the status of
848 	  the ps-mode pin. Every pin can be configured as input/output.
858 	tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
861 	  as found on G-series SOCs (e.g. GX-412TC).
864 	  needs to be provided with platform-specific configuration.
875 	  ARMv7-based SoCs.
883 	  Select this option to enable GPIO driver for
884 	  IDT 79RC3243X-based devices like Mikrotik RB532.
887 	  be called gpio-idt3243x.
891 menu "Port-mapped I/O GPIO drivers"
917 	  If built as a module its name will be gpio-i8255.
920 	tristate "ACCES 104-DIO-48E GPIO support"
929 	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
930 	  104-DIO-24E). The base port addresses for the devices may be
935 	tristate "ACCES 104-IDIO-16 GPIO support"
941 	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
942 	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
948 	tristate "ACCES 104-IDI-48 GPIO support"
956 	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
957 	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
963 	tristate "Fintek and Nuvoton Super-I/O GPIO support"
965 	  This option enables support for GPIOs found on Fintek Super-I/O
967 	  As well as Nuvoton Super-I/O chip NCT6126D.
970 	  be called f7188x-gpio.
973 	tristate "Diamond Systems GPIO-MM GPIO support"
979 	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
981 	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
1010 	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
1012 	  modes (S3 and higher). The remaining four GPIOs are powered by
1013 	  the Intel SCH suspend power supply. These GPIOs remain
1014 	  active during S3. The suspend-powered GPIOs can be used to wake the
1015 	  system from the Suspend-to-RAM state.
1017 	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
1021 	  Twenty-one are powered by the core power rail and 9 from the
1024 	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
1030 	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
1034 	  be called gpio-sch311x.
1037 	tristate "TS-5500 DIO blocks and compatibles"
1042 	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
1049 	  This option enables support for GPIOs found on Winbond Super I/O
1054 	  You will need to provide a module parameter "gpios", or a
1055 	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
1056 	  ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
1059 	  be called gpio-winbond.
1080 	tristate "Avionic Design N-bit GPIO expander"
1084 	  This option enables support for N GPIOs found on Avionic Design
1099 	  be called gpio-fxl6408.
1106 	  GPIO driver for ADI DS4520 I2C-based GPIO expander.
1107 	  Say yes here to enable the GPIO driver for the ADI DS4520 chip.
1110 	  be called gpio-ds4520.
1117 	  Expander. This is used at least on the Cambria GW2358-4.
1123 	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1126 	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
1128 	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
1130 	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
1141 	  number for these GPIOs.
1148 	  Say yes here to enable the max732x to be used as an interrupt
1155 	  Say yes here to provide access to several register-oriented
1176 	  Say yes here to enable the pca953x to be used as an interrupt
1180 	tristate "PCA9570 4-Bit I2C GPO expander"
1182 	  Say yes here to enable the GPO driver for the NXP PCA9570 chip.
1185 	  be called gpio-pca9570.
1192 	  Say yes here to provide access to most "quasi-bidirectional" I2C
1205 	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
1207 	  other GPIOs, but only accessible from task contexts.
1209 	  This driver provides an in-kernel interface to those GPIOs using
1210 	  platform-neutral GPIO calls.
1213 	tristate "TPIC2810 8-Bit I2C GPO expander"
1215 	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
1218 	  be called gpio-tpic2810.
1226 	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
1236 	  This option enables support for on-chip GPIO found
1258 	  Support for GPIOs on Wolfson Arizona class devices.
1268 	  will be called gpio-bd71815.
1274 	  Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1275 	  available on the ROHM PMIC in total. The GPIOs are limited to
1277 	  OTP. Enable this only if you want to use these pins as outputs.
1280 	  will be called gpio-bd71828.
1286 	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
1291 	  will be called gpio-bd9571mwv.
1297 	  Select this option to enable GPIO support for the Congatec Board
1301 	  called gpio-cgbc.
1307 	  GPIO driver for the ChromeOS Embedded Controller (EC). GPIOs
1311 	  will be called gpio-cros-ec.
1320 	  Say Yes if you have a Intel SoC-based tablet with Crystal Cove PMIC
1324 	  called gpio-crystalcove.
1341 	  Say yes here to enable the GPIO driver for the DA9052 chip.
1347 	  Say yes here to enable the GPIO driver for the DA9055 chip.
1352 	  If driver is built as a module it will be called gpio-da9055.
1360 	  Select this option to enable GPIO driver for the Diolan DLN2
1364 	  will be called gpio-dln2.
1379 	  Select this option to enable GPIO support for Intel Elkhart Lake
1383 	  be called gpio-elkhartlake.
1386 	tristate "Janz VMOD-TTL Digital IO Module"
1389 	  This enables support for the Janz VMOD-TTL Digital IO module.
1401 	  called gpio-kempld.
1409 	  Select this option to enable GPIO driver for the INTEL
1413 	  will be called gpio-ljca.
1420 	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1431 	  called gpio-lp873x.
1437 	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1441 	  called gpio-lp87565.
1447 	  Support for GPIOs on Cirrus Logic Madera class codecs.
1455 	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1456 	  driver also provides interrupt support for each of the GPIOs.
1457 	  Say yes here to enable the max77620 to be used as GPIO controller.
1470 	  Select this option to enable GPIO driver for the TI PALMAS
1485 	  Select this option to enable GPIO driver for the Ricoh RC5T583
1497 	  This enables support for the GPIOs found on the Kontron sl28 CPLD.
1500 	  called gpio-sl28cpld.
1503 	bool "STMPE GPIOs"
1508 	  This enables support for the GPIOs found on the STMPE I/O
1512 	bool "TC3589X GPIOs"
1517 	  This enables support for the GPIOs found on the TC3589X
1531 	  This enables support for the GPIOs found on the Delta
1533 	  they are input-only or output-only type.
1536 	  module will be called gpio-tn48m.
1548 	  Select this option to enable GPIO driver for the TPS65218
1556 	  Select this option to enable GPIO driver for the TPS65219 chip
1571 	  Select this option to enable GPIO driver for the TPS6586X
1578 	  Select this option to enable GPIO driver for the TPS65910
1591 	  Select this option to enable GPIO driver for the TPS68470
1593 	  There are 7 GPIOs and few sensor-related GPIOs supported
1594 	  by the TPS68470. While the 7 GPIOs can be configured as
1595 	  input or output as appropriate, the sensor related GPIOs
1596 	  are "output only" GPIOs.
1599 	tristate "TQ-Systems TQMx86 GPIO"
1607 	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1610 	  Say yes here to access the GPIO signals of various multi-function
1627 	  Say Yes if you have an Intel SoC-based tablet with Whiskey Cove PMIC
1631 	  called gpio-wcove.
1634 	tristate "WM831x GPIOs"
1641 	tristate "WM8350 GPIOs"
1648 	tristate "WM8994 GPIOs"
1679 	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1684 	  Documentation/driver-api/gpio/bt8xxgpio.rst
1719 	  This controller should be used in parallel with pinctrl-mlxbf3 to
1720 	  control the desired GPIOs.
1721 	  This driver can also be built as a module called mlxbf3-gpio.
1730 	  Hub) which is for IVI (In-Vehicle Infotainment) use.
1750 	tristate "ACCES PCI-IDIO-16 GPIO support"
1754 	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1760 	tristate "ACCES PCIe-IDIO-24 GPIO support"
1766 	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1767 	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1773 	tristate "RDC R-321x GPIO support"
1777 	  Support for the RDC R321x SoC GPIOs over southbridge
1794 	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1796 	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1805 	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1814 	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1817 	tristate "Freescale MC33880 high-side/low-side switch"
1819 	  SPI driver for Freescale MC33880 high-side/low-side switch.
1823 	tristate "Generic parallel-in/serial-out shift register"
1825 	  GPIO driver for SPI compatible parallel-in/serial-out shift
1829 	tristate "EXAR XRA1403 16-bit GPIO expander"
1832 	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
1839 	  This is the driver needed for configuring the GPIOs via the Moxtet
1841 	  so that phylink can use corresponding GPIOs.
1873 	  Say yes here to enable the GPIO Aggregator, which provides a way to
1876 	    - Assign permissions for a collection of GPIO lines to a user,
1877 	    - Export a collection of GPIO lines to a virtual machine,
1878 	    - Provide a generic driver for a GPIO-operated device in an
1885 	  Say yes here to enable a driver for GPIO multiplexers based on latches
1886 	  connected to other GPIOs.
1892 	  This module is DEPRECATED. Please consider using gpio-sim instead.
1897 	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
1905 	  Say Y here to enable guest support for virtio-based GPIO controllers.
1907 	  These virtual GPIOs can be routed to real GPIOs or attached to
1916 	  This enables the GPIO simulator - a configfs-based GPIO testing
1928 	  GPIOs. Use the 'tools/gpio/gpio-sloppy-logic-analyzer' script with
1931 	  analyzer which can be affected by latencies, non-deterministic code
1936 	  'gpio-sloppy-logic-analyzer'.
1945 	  Say Y here to enable the configurable, configfs-based virtual GPIO
1949 	  hot-unplug handling in GPIOLIB.