overriding the default implementations. New uses of this are
strongly discouraged.
-config ARCH_WANT_OPTIONAL_GPIOLIB
- bool
- help
- Select this config option from the architecture Kconfig, if
- it is possible to use gpiolib on the architecture, but let the
- user decide whether to actually build it or not.
- Select this instead of ARCH_REQUIRE_GPIOLIB, if your architecture does
- not depend on GPIOs being available, but rather let the user
- decide whether he needs it or not.
-
-config ARCH_REQUIRE_GPIOLIB
- bool
- select GPIOLIB
- help
- Platforms select gpiolib if they use this infrastructure
- for all their GPIOs, usually starting with ones integrated
- into SOC processors.
- Selecting this from the architecture code will cause the gpiolib
- code to always get built in.
-
-
menuconfig GPIOLIB
bool "GPIO Support"
select ANON_INODES
config OF_GPIO
def_bool y
depends on OF
+ depends on HAS_IOMEM
config GPIO_ACPI
def_bool y
exported to userspace; this can be useful when debugging.
config GPIO_GENERIC
+ depends on HAS_IOMEM # Only for IOMEM drivers
tristate
# put drivers in the right section, in alphabetical order
tristate
menu "Memory mapped GPIO drivers"
+ depends on HAS_IOMEM
config GPIO_74XX_MMIO
tristate "GPIO driver for 74xx-ICs with MMIO access"
driver for GPIO functionality on Promontory IOHub
Require ACPI ASL code to enumerate as a platform device.
+config GPIO_ASPEED
+ tristate "Aspeed GPIO support"
+ depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
+ select GPIOLIB_IRQCHIP
+ help
+ Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
+
config GPIO_ATH79
tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
default y if ATH79
Select this option to enable GPIO driver for
Atheros AR71XX/AR724X/AR913X SoC devices.
+config GPIO_AXP209
+ tristate "X-Powers AXP209 PMIC GPIO Support"
+ depends on MFD_AXP20X
+ help
+ Say yes to enable GPIO support for the AXP209 PMIC
+
config GPIO_BCM_KONA
bool "Broadcom Kona GPIO"
depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
config GPIO_ETRAXFS
bool "Axis ETRAX FS General I/O"
depends on CRIS || COMPILE_TEST
- depends on OF
+ depends on OF_GPIO
select GPIO_GENERIC
select GPIOLIB_IRQCHIP
help
config GPIO_GRGPIO
tristate "Aeroflex Gaisler GRGPIO support"
- depends on OF
+ depends on OF_GPIO
select GPIO_GENERIC
select IRQ_DOMAIN
help
config GPIO_IOP
tristate "Intel IOP GPIO"
- depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
+ depends on ARCH_IOP32X || ARCH_IOP33X || COMPILE_TEST
+ select GPIO_GENERIC
help
Say yes here to support the GPIO functionality of a number of Intel
IOP32X or IOP33X.
(EBU) found on Lantiq SoCs. The gpios are output only as they are
created by attaching a 16bit latch to the bus.
+config GPIO_MOCKUP
+ tristate "GPIO Testing Driver"
+ depends on GPIOLIB
+ select GPIO_SYSFS
+ help
+ This enables GPIO Testing driver, which provides a way to test GPIO
+ subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
+ must be selected for this test.
+ User could use it through the script in
+ tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
+ it.
+
config GPIO_MOXART
bool "MOXART GPIO support"
depends on ARCH_MOXART || COMPILE_TEST
config GPIO_MVEBU
def_bool y
depends on PLAT_ORION
- depends on OF
+ depends on OF_GPIO
select GENERIC_IRQ_CHIP
config GPIO_MXC
bool "NVIDIA Tegra GPIO support"
default ARCH_TEGRA
depends on ARCH_TEGRA || COMPILE_TEST
- depends on OF
+ depends on OF_GPIO
help
Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
To compile this driver as a module, choose M here: the module will
be called f7188x-gpio.
+config GPIO_GPIO_MM
+ tristate "Diamond Systems GPIO-MM GPIO support"
+ depends on ISA_BUS_API
+ help
+ Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
+
+ The Diamond Systems GPIO-MM device features 48 lines of digital I/O
+ via the emulation of dual 82C55A PPI chips. This driver provides GPIO
+ support for these 48 channels of digital I/O.
+
+ The base port addresses for the devices may be configured via the base
+ array module parameter.
+
config GPIO_IT87
tristate "IT87xx GPIO support"
help
To compile this driver as a module, choose M here: the module will
be called gpio-tpic2810.
+config GPIO_TS4900
+ tristate "Technologic Systems FPGA I2C GPIO"
+ select REGMAP_I2C
+ help
+ Say yes here to enabled the GPIO driver for Technologic's FPGA core.
+ Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
+
endmenu
menu "MFD GPIO expanders"
LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
Open drain outputs are required for this usage.
+config GPIO_LP873X
+ tristate "TI LP873X GPO"
+ depends on MFD_TI_LP873X
+ help
+ This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
+ on LP873X PMICs.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-lp873x.
+
config GPIO_MAX77620
tristate "GPIO support for PMIC MAX77620 and MAX20024"
depends on MFD_MAX77620
This enables support for the Philips UCB1400 GPIO pins.
The UCB1400 is an AC97 audio codec.
+config GPIO_WHISKEY_COVE
+ tristate "GPIO support for Whiskey Cove PMIC"
+ depends on INTEL_SOC_PMIC
+ select GPIOLIB_IRQCHIP
+ help
+ Support for GPIO pins on Whiskey Cove PMIC.
+
+ Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
+ inside.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-wcove.
+
config GPIO_WM831X
tristate "WM831x GPIOs"
depends on MFD_WM831X
config GPIO_74X164
tristate "74x164 serial-in/parallel-out 8-bits shift register"
- depends on OF
+ 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
config GPIO_MCP23S08
tristate "Microchip MCP23xxx I/O expander"
+ depends on OF_GPIO
select GPIOLIB_IRQCHIP
help
SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
projects / cascardo / linux.git / blobdiff