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Diffstat (limited to 'drivers/gpio/Kconfig')
-rw-r--r--drivers/gpio/Kconfig216
1 files changed, 184 insertions, 32 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1301cec94f12..44f922e10db2 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -70,8 +70,7 @@ config GPIO_SYSFS
ioctl() operations instead.
config GPIO_CDEV
- bool
- prompt "Character device (/dev/gpiochipN) support" if EXPERT
+ bool "Character device (/dev/gpiochipN) support" if EXPERT
default y
help
Say Y here to add the character device /dev/gpiochipN interface
@@ -103,6 +102,15 @@ config GPIO_REGMAP
select REGMAP
tristate
+config GPIO_SWNODE_UNDEFINED
+ bool
+ help
+ This adds a special place holder for software nodes to contain an
+ undefined GPIO reference, this is primarily used by SPI to allow a
+ list of GPIO chip selects to mark a certain chip select as being
+ controlled the SPI device's internal chip select mechanism and not
+ a GPIO.
+
# put drivers in the right section, in alphabetical order
# This symbol is selected by both I2C and SPI expanders
@@ -140,9 +148,7 @@ config GPIO_74XX_MMIO
config GPIO_ALTERA
tristate "Altera GPIO"
- depends on OF_GPIO
select GPIOLIB_IRQCHIP
- select OF_GPIO_MM_GPIOCHIP
help
Say Y or M here to build support for the Altera PIO device.
@@ -195,6 +201,7 @@ config GPIO_RASPBERRYPI_EXP
config GPIO_BCM_KONA
bool "Broadcom Kona GPIO"
depends on ARCH_BCM_MOBILE || COMPILE_TEST
+ select GPIOLIB_IRQCHIP
help
Turn on GPIO support for Broadcom "Kona" chips.
@@ -207,10 +214,22 @@ config GPIO_BCM_XGS_IPROC
help
Say yes here to enable GPIO support for Broadcom XGS iProc SoCs.
+config GPIO_BLZP1600
+ tristate "Blaize BLZP1600 GPIO support"
+ default y if ARCH_BLAIZE
+ depends on ARCH_BLAIZE || COMPILE_TEST
+ depends on OF_GPIO
+ select GPIO_GENERIC
+ select GPIOLIB_IRQCHIP
+ help
+ Say Y or M here to add support for the Blaize BLZP1600 GPIO device.
+ The controller is based on the Verisilicon Microelectronics GPIO APB v0.2
+ IP block.
+
config GPIO_BRCMSTB
tristate "BRCMSTB GPIO support"
default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
- depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
+ depends on OF_GPIO && (ARCH_BRCMSTB || ARCH_BCM2835 || BMIPS_GENERIC || COMPILE_TEST)
select GPIO_GENERIC
select IRQ_DOMAIN
help
@@ -234,7 +253,8 @@ config GPIO_CLPS711X
config GPIO_DAVINCI
tristate "TI Davinci/Keystone GPIO support"
default y if ARCH_DAVINCI
- depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)
+ depends on ((ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3)) || COMPILE_TEST
+ select GPIOLIB_IRQCHIP
help
Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
@@ -312,11 +332,29 @@ config GPIO_GENERIC_PLATFORM
help
Say yes here to support basic platform_device memory-mapped GPIO controllers.
+config GPIO_GRANITERAPIDS
+ tristate "Intel Granite Rapids-D vGPIO support"
+ depends on X86 || COMPILE_TEST
+ select GPIOLIB_IRQCHIP
+ help
+ Select this to enable virtual GPIO support on platforms with the
+ following SoCs:
+
+ - Intel Granite Rapids-D
+
+ The driver enables basic GPIO functionality and implements interrupt
+ support. The virtual GPIO driver controls GPIO lines via a firmware
+ interface. The physical GPIO pins reside on device that is external
+ from the main SoC package, such as a BMC or a CPLD.
+
+ To compile this driver as a module, choose M here: the module will
+ be called gpio-graniterapids.
+
config GPIO_GRGPIO
tristate "Aeroflex Gaisler GRGPIO support"
- depends on OF_GPIO
+ depends on OF || COMPILE_TEST
select GPIO_GENERIC
- select IRQ_DOMAIN
+ select GPIOLIB_IRQCHIP
help
Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
VHDL IP core library.
@@ -344,8 +382,7 @@ config GPIO_HLWD
config GPIO_ICH
tristate "Intel ICH GPIO"
- depends on X86
- depends on LPC_ICH
+ depends on (X86 && LPC_ICH) || (COMPILE_TEST && HAS_IOPORT)
help
Say yes here to support the GPIO functionality of a number of Intel
ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
@@ -401,6 +438,7 @@ config GPIO_LPC18XX
default y if ARCH_LPC18XX
depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
select IRQ_DOMAIN_HIERARCHY
+ select GPIOLIB_IRQCHIP
help
Select this option to enable GPIO driver for
NXP LPC18XX/43XX devices.
@@ -444,7 +482,7 @@ config GPIO_MPC8XXX
FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
COMPILE_TEST
select GPIO_GENERIC
- select IRQ_DOMAIN
+ select GPIOLIB_IRQCHIP
help
Say Y here if you're going to use hardware that connects to the
MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
@@ -459,9 +497,9 @@ config GPIO_MT7621
Say yes here to support the Mediatek MT7621 SoC GPIO device.
config GPIO_MVEBU
- def_bool y
- depends on PLAT_ORION || ARCH_MVEBU
- depends on OF_GPIO
+ bool "Marvell Orion and EBU GPIO support" if COMPILE_TEST
+ depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
+ default PLAT_ORION || ARCH_MVEBU
select GENERIC_IRQ_CHIP
select REGMAP_MMIO
@@ -478,6 +516,18 @@ config GPIO_MXS
select GPIO_GENERIC
select GENERIC_IRQ_CHIP
+config GPIO_NOMADIK
+ bool "Nomadik GPIO driver"
+ depends on ARCH_U8500 || ARCH_NOMADIK || MACH_EYEQ5 || COMPILE_TEST
+ select GPIOLIB_IRQCHIP
+ help
+ Say yes here to support the Nomadik SoC GPIO block. This block is also
+ used by the Mobileye EyeQ5 SoC.
+
+ It handles up to 32 GPIOs per bank, that can all be interrupt sources.
+ It is deeply interconnected with the associated pinctrl driver as GPIO
+ registers handle muxing ("alternate functions") as well.
+
config GPIO_NPCM_SGPIO
bool "Nuvoton SGPIO support"
depends on ARCH_NPCM || COMPILE_TEST
@@ -494,9 +544,9 @@ config GPIO_OCTEON
family of SOCs.
config GPIO_OMAP
- tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
+ tristate "TI OMAP GPIO support"
+ depends on ARCH_OMAP || COMPILE_TEST
default y if ARCH_OMAP
- depends on ARM
select GENERIC_IRQ_CHIP
select GPIOLIB_IRQCHIP
help
@@ -504,15 +554,22 @@ config GPIO_OMAP
config GPIO_PL061
tristate "PrimeCell PL061 GPIO support"
- depends on ARM_AMBA
+ depends on ARM_AMBA || COMPILE_TEST
select IRQ_DOMAIN
select GPIOLIB_IRQCHIP
help
Say yes here to support the PrimeCell PL061 GPIO device.
+config GPIO_POLARFIRE_SOC
+ bool "Microchip FPGA GPIO support"
+ select REGMAP_MMIO
+ help
+ Say yes here to support the GPIO controllers on Microchip FPGAs.
+
config GPIO_PXA
bool "PXA GPIO support"
depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST
+ select GPIOLIB_IRQCHIP
help
Say yes here to support the PXA GPIO device.
@@ -562,7 +619,7 @@ config GPIO_ROCKCHIP
config GPIO_RTD
tristate "Realtek DHC GPIO support"
- depends on ARCH_REALTEK
+ depends on ARCH_REALTEK || COMPILE_TEST
default y
select GPIOLIB_IRQCHIP
help
@@ -614,6 +671,15 @@ config GPIO_SNPS_CREG
where only several fields in register belong to GPIO lines and
each GPIO line owns a field with different length and on/off value.
+config GPIO_SPACEMIT_K1
+ tristate "SPACEMIT K1 GPIO support"
+ depends on ARCH_SPACEMIT || COMPILE_TEST
+ depends on OF_GPIO
+ select GPIO_GENERIC
+ select GPIOLIB_IRQCHIP
+ help
+ Say yes here to support the SpacemiT's K1 GPIO device.
+
config GPIO_SPEAR_SPICS
bool "ST SPEAr13xx SPI Chip Select as GPIO support"
depends on PLAT_SPEAR
@@ -675,13 +741,13 @@ config GPIO_TEGRA
config GPIO_TEGRA186
tristate "NVIDIA Tegra186 GPIO support"
- default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
- depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
+ default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC
+ depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || ARCH_TEGRA_234_SOC || COMPILE_TEST
depends on OF_GPIO
select GPIOLIB_IRQCHIP
select IRQ_DOMAIN_HIERARCHY
help
- Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
+ Say yes here to support GPIO pins on NVIDIA Tegra186, 194 and 234 SoCs.
config GPIO_TS4800
tristate "TS-4800 DIO blocks and compatibles"
@@ -711,9 +777,11 @@ config GPIO_UNIPHIER
Say yes here to support UniPhier GPIOs.
config GPIO_VF610
- def_bool y
- depends on ARCH_MXC
+ tristate "VF610 GPIO support"
+ default y if SOC_VF610
+ depends on ARCH_MXC || COMPILE_TEST
select GPIOLIB_IRQCHIP
+ select GPIO_GENERIC
help
Say yes here to support i.MX or Vybrid vf610 GPIOs.
@@ -756,7 +824,6 @@ config GPIO_XGENE_SB
config GPIO_XILINX
tristate "Xilinx GPIO support"
select GPIOLIB_IRQCHIP
- depends on OF_GPIO
help
Say yes here to support the Xilinx FPGA GPIO device.
@@ -787,14 +854,14 @@ config GPIO_ZEVIO
config GPIO_ZYNQ
tristate "Xilinx Zynq GPIO support"
- depends on ARCH_ZYNQ || ARCH_ZYNQMP
+ depends on ARCH_ZYNQ || ARCH_ZYNQMP || COMPILE_TEST
select GPIOLIB_IRQCHIP
help
Say yes here to support Xilinx Zynq GPIO controller.
config GPIO_ZYNQMP_MODEPIN
tristate "ZynqMP ps-mode pin GPIO configuration driver"
- depends on ZYNQMP_FIRMWARE
+ depends on ZYNQMP_FIRMWARE || COMPILE_TEST
default ZYNQMP_FIRMWARE
help
Say yes here to support the ZynqMP ps-mode pin GPIO configuration
@@ -823,7 +890,7 @@ config GPIO_AMD_FCH
config GPIO_MSC313
bool "MStar MSC313 GPIO support"
- depends on ARCH_MSTARV7
+ depends on ARCH_MSTARV7 || COMPILE_TEST
default ARCH_MSTARV7
select GPIOLIB_IRQCHIP
select IRQ_DOMAIN_HIERARCHY
@@ -1193,6 +1260,13 @@ config GPIO_ADP5520
This option enables support for on-chip GPIO found
on Analog Devices ADP5520 PMICs.
+config GPIO_ADP5585
+ tristate "GPIO Support for ADP5585"
+ depends on MFD_ADP5585
+ help
+ This option enables support for the GPIO function found in the Analog
+ Devices ADP5585.
+
config GPIO_ALTERA_A10SR
tristate "Altera Arria10 System Resource GPIO"
depends on MFD_ALTERA_A10SR
@@ -1240,6 +1314,26 @@ config GPIO_BD9571MWV
This driver can also be built as a module. If so, the module
will be called gpio-bd9571mwv.
+config GPIO_CGBC
+ tristate "Congatec Board Controller GPIO support"
+ depends on MFD_CGBC
+ help
+ Select this option to enable GPIO support for the Congatec Board
+ Controller.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-cgbc.
+
+config GPIO_CROS_EC
+ tristate "ChromeOS EC GPIO support"
+ depends on CROS_EC
+ help
+ GPIO driver for the ChromeOS Embedded Controller (EC). GPIOs
+ cannot be set unless the system is unlocked.
+
+ This driver can also be built as a module. If so, the module
+ will be called gpio-cros-ec.
+
config GPIO_CRYSTAL_COVE
tristate "GPIO support for Crystal Cove PMIC"
depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
@@ -1295,7 +1389,7 @@ config GPIO_DLN2
config HTC_EGPIO
bool "HTC EGPIO support"
- depends on ARM
+ depends on ARM || COMPILE_TEST
help
This driver supports the CPLD egpio chip present on
several HTC phones. It provides basic support for input
@@ -1393,6 +1487,19 @@ config GPIO_MAX77650
GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor.
These chips have a single pin that can be configured as GPIO.
+config GPIO_MAX77759
+ tristate "Maxim Integrated MAX77759 GPIO support"
+ depends on MFD_MAX77759
+ default MFD_MAX77759
+ select GPIOLIB_IRQCHIP
+ help
+ GPIO driver for MAX77759 PMIC from Maxim Integrated.
+ There are two GPIOs available on these chips in total, both of
+ which can also generate interrupts.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-max77759.
+
config GPIO_PALMAS
bool "TI PALMAS series PMICs GPIO"
depends on MFD_PALMAS
@@ -1450,12 +1557,13 @@ config GPIO_TC3589X
config GPIO_TIMBERDALE
bool "Support for timberdale GPIO IP"
depends on MFD_TIMBERDALE
+ select GPIOLIB_IRQCHIP
help
Add support for the GPIO IP in the timberdale FPGA.
config GPIO_TN48M_CPLD
tristate "Delta Networks TN48M switch CPLD GPIO driver"
- depends on MFD_TN48M_CPLD
+ depends on MFD_TN48M_CPLD || COMPILE_TEST
select GPIO_REGMAP
help
This enables support for the GPIOs found on the Delta
@@ -1526,7 +1634,7 @@ config GPIO_TPS68470
are "output only" GPIOs.
config GPIO_TQMX86
- tristate "TQ-Systems QTMX86 GPIO"
+ tristate "TQ-Systems TQMx86 GPIO"
depends on MFD_TQMX86 || COMPILE_TEST
depends on HAS_IOPORT_MAP
select GPIOLIB_IRQCHIP
@@ -1601,7 +1709,7 @@ config GPIO_AMD8111
config GPIO_BT8XX
tristate "BT8XX GPIO abuser"
- depends on VIDEO_BT848=n
+ depends on VIDEO_BT848=n || COMPILE_TEST
help
The BT8xx frame grabber chip has 24 GPIO pins that can be abused
as a cheap PCI GPIO card.
@@ -1722,7 +1830,6 @@ menu "SPI GPIO expanders"
config GPIO_74X164
tristate "74x164 serial-in/parallel-out 8-bits shift register"
- depends on OF_GPIO
help
Driver for 74x164 compatible serial-in/parallel-out 8-outputs
shift registers. This driver can be used to provide access
@@ -1787,12 +1894,21 @@ config GPIO_VIPERBOARD
River Tech's viperboard.h for detailed meaning
of the module parameters.
+config GPIO_MPSSE
+ tristate "FTDI MPSSE GPIO support"
+ select GPIOLIB_IRQCHIP
+ help
+ GPIO driver for FTDI's MPSSE interface. These can do input and
+ output. Each MPSSE provides 16 IO pins.
+
endmenu
menu "Virtual GPIO drivers"
config GPIO_AGGREGATOR
tristate "GPIO Aggregator"
+ select CONFIGFS_FS
+ select DEV_SYNC_PROBE
help
Say yes here to enable the GPIO Aggregator, which provides a way to
aggregate existing GPIO lines into a new virtual GPIO chip.
@@ -1835,10 +1951,46 @@ config GPIO_SIM
tristate "GPIO Simulator Module"
select IRQ_SIM
select CONFIGFS_FS
+ select DEV_SYNC_PROBE
help
This enables the GPIO simulator - a configfs-based GPIO testing
driver.
endmenu
+menu "GPIO Debugging utilities"
+
+config GPIO_SLOPPY_LOGIC_ANALYZER
+ tristate "Sloppy GPIO logic analyzer"
+ depends on (GPIOLIB || COMPILE_TEST) && CPUSETS && DEBUG_FS && EXPERT
+ help
+ This option enables support for a sloppy logic analyzer using polled
+ GPIOs. Use the 'tools/gpio/gpio-sloppy-logic-analyzer' script with
+ this driver. The script will make it easier to use and will also
+ isolate a CPU for the polling task. Note that this is a last resort
+ analyzer which can be affected by latencies, non-deterministic code
+ paths, or NMIs. However, for e.g. remote development, it may be useful
+ to get a first view and aid further debugging.
+
+ If this driver is built as a module it will be called
+ 'gpio-sloppy-logic-analyzer'.
+
+config GPIO_VIRTUSER
+ tristate "GPIO Virtual User Testing Module"
+ select DEBUG_FS
+ select CONFIGFS_FS
+ select IRQ_WORK
+ select DEV_SYNC_PROBE
+ help
+ Say Y here to enable the configurable, configfs-based virtual GPIO
+ consumer testing driver.
+
+ This driver is aimed as a helper in spotting any regressions in
+ hot-unplug handling in GPIOLIB.
+
+endmenu
+
endif
+
+config DEV_SYNC_PROBE
+ tristate