Kconfig - OpenGrok cross reference for /linux-6.12.1/drivers/gpio/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
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
115 # put drivers in the right section, in alphabetical order
127 	  Enables support for the idio-16 library functions. The idio-16 library
129 	  ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16.
131 	  If built as a module its name will be gpio-idio-16.
137 	tristate "GPIO driver for 74xx-ICs with MMIO access"
141 	  Say yes here to support GPIO functionality for 74xx-compatible ICs
158 	  If driver is built as a module it will be called gpio-altera.
280 	  Airoha EN7523 SoC. It supports two banks of 32 GPIOs.
305 	  and write pin state) for GPIO implemented in a number of GE single
315 	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
319 	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
322 	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
325 	tristate "Intel Granite Rapids-D vGPIO support"
332 	  - Intel Granite Rapids-D
340 	  be called gpio-graniterapids.
359 	  This GPIO controller supports double-edge interrupt and multi-core
378 	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
409 	bool "Loongson-2/3 GPIO support"
412 	  Driver for GPIO functionality on Loongson-2F/3A/3B processors.
422 	  up to 60 GPIOS in total, 4 of which are dedicated GPIO pins, and
445 	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
455 	bool "Lantiq Memory mapped GPIOs"
459 	  This enables support for memory mapped GPIOs on the External Bus Unit
460 	  (EBU) found on Lantiq SoCs. The GPIOs are output only as they are
461 	  created by attaching a 16-bit latch to the bus.
477 	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
516 	  It handles up to 32 GPIOs per bank, that can all be interrupt sources.
532 	  Say yes here to support the on-chip GPIO lines on the OCTEON
559 	tristate "Renesas R-Car and RZ/G GPIO support"
563 	  Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs.
582 	  banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs
583 	  are grouped in four 8-bit wide ports.
590 	  A 32-bit single register GPIO fixed in/out implementation.  This
608 	  This option enables support for GPIOs found on Realtek DHC(Digital
622 	  Say yes here to use the PIOBU pins as GPIOs.
624 	  PIOBU pins on the SAMA5D2 can be used as GPIOs.
625 	  The difference from regular GPIOs is that they
626 	  maintain their value during backup/self-refresh.
644 	  via a SIOX bus and have a number of fixed-direction I/O lines.
651 	  This driver supports GPIOs via CREG on various Synopsys SoCs.
652 	  This is a single-register MMIO GPIO driver for complex cases
653 	  where only several fields in register belong to GPIO lines and
672 	bool "XWAY STP GPIOs"
679 	  Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and
694 	   - Elkhart Lake
695 	   - Merrifield
697 	  If built as a module its name will be gpio-tangier.
726 	tristate "TS-4800 DIO blocks and compatibles"
731 	  This driver support TS-4800 FPGA GPIO controllers.
734 	tristate "Cavium ThunderX/OCTEON-TX GPIO"
741 	  Say yes here to support the on-chip GPIO lines on the ThunderX
742 	  and OCTEON-TX families of SoCs.
750 	  Say yes here to support UniPhier GPIOs.
758 	  Say yes here to support i.MX or Vybrid vf610 GPIOs.
778 	bool "APM X-Gene GPIO controller support"
781 	  This driver is to support the GPIO block within the APM X-Gene SoC
787 	tristate "APM X-Gene GPIO standby controller support"
793 	  This driver supports the GPIO block within the APM X-Gene
823 	bool "LSI ZEVIO SoC memory mapped GPIOs"
826 	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
836 	tristate "ZynqMP ps-mode pin GPIO configuration driver"
840 	  Say yes here to support the ZynqMP ps-mode pin GPIO configuration
843 	  This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE
844 	  is 4-bits boot mode pins. It sets and gets the status of
845 	  the ps-mode pin. Every pin can be configured as input/output.
855 	tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)"
858 	  as found on G-series SOCs (e.g. GX-412TC).
861 	  needs to be provided with platform-specific configuration.
872 	  ARMv7-based SoCs.
881 	  IDT 79RC3243X-based devices like Mikrotik RB532.
884 	  be called gpio-idt3243x.
888 menu "Port-mapped I/O GPIO drivers"
900 	  Additional drivers must be enabled in order to use the
911 	  in the early 1970s but compatible interfaces are nowadays typically
912 	  found embedded in larger VLSI processing chips and FPGA components.
914 	  If built as a module its name will be gpio-i8255.
917 	tristate "ACCES 104-DIO-48E GPIO support"
926 	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
927 	  104-DIO-24E). The base port addresses for the devices may be
932 	tristate "ACCES 104-IDIO-16 GPIO support"
938 	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
939 	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
945 	tristate "ACCES 104-IDI-48 GPIO support"
953 	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
954 	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
960 	tristate "Fintek and Nuvoton Super-I/O GPIO support"
962 	  This option enables support for GPIOs found on Fintek Super-I/O
964 	  As well as Nuvoton Super-I/O chip NCT6126D.
967 	  be called f7188x-gpio.
970 	tristate "Diamond Systems GPIO-MM GPIO support"
976 	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
978 	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
1007 	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
1009 	  modes (S3 and higher). The remaining four GPIOs are powered by
1010 	  the Intel SCH suspend power supply. These GPIOs remain
1011 	  active during S3. The suspend-powered GPIOs can be used to wake the
1012 	  system from the Suspend-to-RAM state.
1014 	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
1018 	  Twenty-one are powered by the core power rail and 9 from the
1021 	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
1027 	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
1031 	  be called gpio-sch311x.
1034 	tristate "TS-5500 DIO blocks and compatibles"
1039 	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
1046 	  This option enables support for GPIOs found on Winbond Super I/O
1051 	  You will need to provide a module parameter "gpios", or a
1052 	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
1056 	  be called gpio-winbond.
1077 	tristate "Avionic Design N-bit GPIO expander"
1081 	  This option enables support for N GPIOs found on Avionic Design
1096 	  be called gpio-fxl6408.
1103 	  GPIO driver for ADI DS4520 I2C-based GPIO expander.
1107 	  be called gpio-ds4520.
1114 	  Expander. This is used at least on the Cambria GW2358-4.
1120 	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
1123 	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
1125 	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
1127 	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
1138 	  number for these GPIOs.
1146 	  controller. It requires the driver to be built in the kernel.
1152 	  Say yes here to provide access to several register-oriented
1177 	tristate "PCA9570 4-Bit I2C GPO expander"
1182 	  be called gpio-pca9570.
1189 	  Say yes here to provide access to most "quasi-bidirectional" I2C
1201 	  Your board setup code will need to declare the expanders in
1202 	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
1204 	  other GPIOs, but only accessible from task contexts.
1206 	  This driver provides an in-kernel interface to those GPIOs using
1207 	  platform-neutral GPIO calls.
1210 	tristate "TPIC2810 8-Bit I2C GPO expander"
1215 	  be called gpio-tpic2810.
1223 	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
1233 	  This option enables support for on-chip GPIO found
1240 	  This option enables support for the GPIO function found in the Analog
1255 	  Support for GPIOs on Wolfson Arizona class devices.
1265 	  will be called gpio-bd71815.
1271 	  Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs
1272 	  available on the ROHM PMIC in total. The GPIOs are limited to
1277 	  will be called gpio-bd71828.
1283 	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
1284 	  available on the ROHM PMIC in total, both of which can also
1288 	  will be called gpio-bd9571mwv.
1294 	  GPIO driver for the ChromeOS Embedded Controller (EC). GPIOs
1298 	  will be called gpio-cros-ec.
1307 	  Say Yes if you have a Intel SoC-based tablet with Crystal Cove PMIC
1311 	  called gpio-crystalcove.
1339 	  If driver is built as a module it will be called gpio-da9055.
1351 	  will be called gpio-dln2.
1370 	  be called gpio-elkhartlake.
1373 	tristate "Janz VMOD-TTL Digital IO Module"
1376 	  This enables support for the Janz VMOD-TTL Digital IO module.
1377 	  This driver provides support for driving the pins in output
1388 	  called gpio-kempld.
1400 	  will be called gpio-ljca.
1407 	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1418 	  called gpio-lp873x.
1424 	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1428 	  called gpio-lp87565.
1434 	  Support for GPIOs on Cirrus Logic Madera class codecs.
1442 	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1443 	  driver also provides interrupt support for each of the GPIOs.
1484 	  This enables support for the GPIOs found on the Kontron sl28 CPLD.
1487 	  called gpio-sl28cpld.
1490 	bool "STMPE GPIOs"
1495 	  This enables support for the GPIOs found on the STMPE I/O
1499 	bool "TC3589X GPIOs"
1504 	  This enables support for the GPIOs found on the TC3589X
1511 	Add support for the GPIO IP in the timberdale FPGA.
1518 	  This enables support for the GPIOs found on the Delta
1519 	  Networks TN48M switch Lattice CPLD. It provides 12 pins in total,
1520 	  they are input-only or output-only type.
1523 	  module will be called gpio-tn48m.
1580 	  There are 7 GPIOs and few sensor-related GPIOs supported
1581 	  by the TPS68470. While the 7 GPIOs can be configured as
1582 	  input or output as appropriate, the sensor related GPIOs
1583 	  are "output only" GPIOs.
1586 	tristate "TQ-Systems TQMx86 GPIO"
1594 	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1597 	  Say yes here to access the GPIO signals of various multi-function
1614 	  Say Yes if you have an Intel SoC-based tablet with Whiskey Cove PMIC
1618 	  called gpio-wcove.
1621 	tristate "WM831x GPIOs"
1628 	tristate "WM8350 GPIOs"
1635 	tristate "WM8994 GPIOs"
1666 	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1671 	  Documentation/driver-api/gpio/bt8xxgpio.rst
1706 	  This controller should be used in parallel with pinctrl-mlxbf3 to
1707 	  control the desired GPIOs.
1708 	  This driver can also be built as a module called mlxbf3-gpio.
1717 	  Hub) which is for IVI (In-Vehicle Infotainment) use.
1737 	tristate "ACCES PCI-IDIO-16 GPIO support"
1741 	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1747 	tristate "ACCES PCIe-IDIO-24 GPIO support"
1753 	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1754 	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1760 	tristate "RDC R-321x GPIO support"
1764 	  Support for the RDC R321x SoC GPIOs over southbridge
1781 	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1784 	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1793 	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1802 	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1805 	tristate "Freescale MC33880 high-side/low-side switch"
1807 	  SPI driver for Freescale MC33880 high-side/low-side switch.
1811 	tristate "Generic parallel-in/serial-out shift register"
1813 	  GPIO driver for SPI compatible parallel-in/serial-out shift
1817 	tristate "EXAR XRA1403 16-bit GPIO expander"
1820 	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
1827 	  This is the driver needed for configuring the GPIOs via the Moxtet
1829 	  so that phylink can use corresponding GPIOs.
1857 	    - Assign permissions for a collection of GPIO lines to a user,
1858 	    - Export a collection of GPIO lines to a virtual machine,
1859 	    - Provide a generic driver for a GPIO-operated device in an
1867 	  connected to other GPIOs.
1873 	  This module is DEPRECATED. Please consider using gpio-sim instead.
1877 	  User could use it through the script in
1878 	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
1886 	  Say Y here to enable guest support for virtio-based GPIO controllers.
1888 	  These virtual GPIOs can be routed to real GPIOs or attached to
1896 	  This enables the GPIO simulator - a configfs-based GPIO testing
1908 	  GPIOs. Use the 'tools/gpio/gpio-sloppy-logic-analyzer' script with
1911 	  analyzer which can be affected by latencies, non-deterministic code
1916 	  'gpio-sloppy-logic-analyzer'.
1924 	  Say Y here to enable the configurable, configfs-based virtual GPIO
1927 	  This driver is aimed as a helper in spotting any regressions in
1928 	  hot-unplug handling in GPIOLIB.