mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 18:46:47 +07:00
0ba19cfc2a
This patch introduces a separate GPIO driver for Intel WhiskeyCove PMIC. This driver is based on gpio-crystalcove.c. Changes in v7: - Fixed various coding style comments from Andy Shevchenko Changes in v6: - Removed unnecessary wcove_gpio_remove() - Used devm_gpiochip_remove() instead of gpiochip_remove() - Various coding style changes per Mika's comment Changes in v5: - Revisited the interrupt handler code to iterate until all pending interrupts are handled. This change is to avoid missing interrupt when we're inside the interrupt handler. - Used regmap_bulk_read() to read address adjacent registers. Changes in v4: - Converted CTLI_INTCNT_XX macros to less verbose ones INT_DETECT_XX. - Add comments about why there is no .pm for the driver. - Header files re-ordered. - Various coding style change to address Andy's comments. Changes in v3: - Fixed the year in copyright line(2015-->2016). - Removed DRV_NAME macro. - Added kernel-doc for regmap_irq_chip of the wcove_gpio structure. - Line length fix. Changes in v2: - Typo fix (Whsikey --> Whiskey). - Included linux/gpio/driver.h instead of linux/gpio.h - Implemented .set_single_ended(). - Added GPIO register description. - Replaced container_of() with gpiochip_get_data(). - Removed unnecessary "if (gpio > WCOVE_VGPIO_NUM" check. - Removed the device id table and added MODULE_ALIAS(). Signed-off-by: Ajay Thomas <ajay.thomas.david.rajamanickam@intel.com> Signed-off-by: Bin Gao <bin.gao@intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1157 lines
32 KiB
Plaintext
1157 lines
32 KiB
Plaintext
#
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# GPIO infrastructure and drivers
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#
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config ARCH_HAVE_CUSTOM_GPIO_H
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bool
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help
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Selecting this config option from the architecture Kconfig allows
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the architecture to provide a custom asm/gpio.h implementation
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overriding the default implementations. New uses of this are
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strongly discouraged.
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menuconfig GPIOLIB
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bool "GPIO Support"
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select ANON_INODES
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help
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This enables GPIO support through the generic GPIO library.
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You only need to enable this, if you also want to enable
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one or more of the GPIO drivers below.
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If unsure, say N.
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if GPIOLIB
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config GPIO_DEVRES
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def_bool y
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depends on HAS_IOMEM
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config OF_GPIO
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def_bool y
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depends on OF
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config GPIO_ACPI
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def_bool y
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depends on ACPI
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config GPIOLIB_IRQCHIP
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select IRQ_DOMAIN
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bool
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config DEBUG_GPIO
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bool "Debug GPIO calls"
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depends on DEBUG_KERNEL
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help
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Say Y here to add some extra checks and diagnostics to GPIO calls.
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These checks help ensure that GPIOs have been properly initialized
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before they are used, and that sleeping calls are not made from
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non-sleeping contexts. They can make bitbanged serial protocols
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slower. The diagnostics help catch the type of setup errors
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that are most common when setting up new platforms or boards.
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config GPIO_SYSFS
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bool "/sys/class/gpio/... (sysfs interface)"
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depends on SYSFS
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help
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Say Y here to add a sysfs interface for GPIOs.
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This is mostly useful to work around omissions in a system's
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kernel support. Those are common in custom and semicustom
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hardware assembled using standard kernels with a minimum of
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custom patches. In those cases, userspace code may import
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a given GPIO from the kernel, if no kernel driver requested it.
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Kernel drivers may also request that a particular GPIO be
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exported to userspace; this can be useful when debugging.
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config GPIO_GENERIC
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tristate
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# put drivers in the right section, in alphabetical order
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# This symbol is selected by both I2C and SPI expanders
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config GPIO_MAX730X
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tristate
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menu "Memory mapped GPIO drivers"
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config GPIO_74XX_MMIO
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tristate "GPIO driver for 74xx-ICs with MMIO access"
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depends on OF_GPIO
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select GPIO_GENERIC
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help
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Say yes here to support GPIO functionality for 74xx-compatible ICs
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with MMIO access. Compatible models include:
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1 bit: 741G125 (Input), 741G74 (Output)
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2 bits: 742G125 (Input), 7474 (Output)
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4 bits: 74125 (Input), 74175 (Output)
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6 bits: 74365 (Input), 74174 (Output)
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8 bits: 74244 (Input), 74273 (Output)
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16 bits: 741624 (Input), 7416374 (Output)
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config GPIO_ALTERA
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tristate "Altera GPIO"
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depends on OF_GPIO
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select GPIOLIB_IRQCHIP
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help
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Say Y or M here to build support for the Altera PIO device.
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If driver is built as a module it will be called gpio-altera.
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config GPIO_AMDPT
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tristate "AMD Promontory GPIO support"
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depends on ACPI
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select GPIO_GENERIC
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help
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driver for GPIO functionality on Promontory IOHub
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Require ACPI ASL code to enumerate as a platform device.
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config GPIO_ATH79
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tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
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default y if ATH79
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depends on ATH79 || COMPILE_TEST
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select GPIO_GENERIC
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select GPIOLIB_IRQCHIP
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help
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Select this option to enable GPIO driver for
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Atheros AR71XX/AR724X/AR913X SoC devices.
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config GPIO_AXP209
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tristate "X-Powers AXP209 PMIC GPIO Support"
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depends on MFD_AXP20X
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help
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Say yes to enable GPIO support for the AXP209 PMIC
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config GPIO_BCM_KONA
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bool "Broadcom Kona GPIO"
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depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
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help
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Turn on GPIO support for Broadcom "Kona" chips.
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config GPIO_BRCMSTB
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tristate "BRCMSTB GPIO support"
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default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
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depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
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select GPIO_GENERIC
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select GPIOLIB_IRQCHIP
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help
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Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
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config GPIO_CLPS711X
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tristate "CLPS711X GPIO support"
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depends on ARCH_CLPS711X || COMPILE_TEST
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select GPIO_GENERIC
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help
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Say yes here to support GPIO on CLPS711X SoCs.
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config GPIO_DAVINCI
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bool "TI Davinci/Keystone GPIO support"
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default y if ARCH_DAVINCI
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depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
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help
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Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
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config GPIO_DWAPB
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tristate "Synopsys DesignWare APB GPIO driver"
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select GPIO_GENERIC
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select GENERIC_IRQ_CHIP
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help
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Say Y or M here to build support for the Synopsys DesignWare APB
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GPIO block.
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config GPIO_EM
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tristate "Emma Mobile GPIO"
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depends on ARM && OF_GPIO
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help
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Say yes here to support GPIO on Renesas Emma Mobile SoCs.
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config GPIO_EP93XX
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def_bool y
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depends on ARCH_EP93XX
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select GPIO_GENERIC
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config GPIO_ETRAXFS
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bool "Axis ETRAX FS General I/O"
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depends on CRIS || COMPILE_TEST
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depends on OF
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select GPIO_GENERIC
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select GPIOLIB_IRQCHIP
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help
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Say yes here to support the GPIO controller on Axis ETRAX FS SoCs.
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config GPIO_GE_FPGA
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bool "GE FPGA based GPIO"
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depends on GE_FPGA
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select GPIO_GENERIC
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help
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Support for common GPIO functionality provided on some GE Single Board
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Computers.
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This driver provides basic support (configure as input or output, read
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and write pin state) for GPIO implemented in a number of GE single
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board computers.
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config GPIO_GENERIC_PLATFORM
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tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
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select GPIO_GENERIC
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help
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Say yes here to support basic platform_device memory-mapped GPIO controllers.
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config GPIO_GRGPIO
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tristate "Aeroflex Gaisler GRGPIO support"
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depends on OF
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select GPIO_GENERIC
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select IRQ_DOMAIN
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help
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Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
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VHDL IP core library.
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config GPIO_ICH
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tristate "Intel ICH GPIO"
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depends on PCI && X86
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select MFD_CORE
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select LPC_ICH
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help
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Say yes here to support the GPIO functionality of a number of Intel
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ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
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ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
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Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
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If unsure, say N.
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config GPIO_IOP
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tristate "Intel IOP GPIO"
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depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
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help
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Say yes here to support the GPIO functionality of a number of Intel
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IOP32X or IOP33X.
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If unsure, say N.
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config GPIO_LOONGSON
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bool "Loongson-2/3 GPIO support"
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depends on CPU_LOONGSON2 || CPU_LOONGSON3
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help
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driver for GPIO functionality on Loongson-2F/3A/3B processors.
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config GPIO_LPC18XX
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tristate "NXP LPC18XX/43XX GPIO support"
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default y if ARCH_LPC18XX
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depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
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help
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Select this option to enable GPIO driver for
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NXP LPC18XX/43XX devices.
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config GPIO_LYNXPOINT
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tristate "Intel Lynxpoint GPIO support"
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depends on ACPI && X86
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select GPIOLIB_IRQCHIP
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help
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driver for GPIO functionality on Intel Lynxpoint PCH chipset
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Requires ACPI device enumeration code to set up a platform device.
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config GPIO_MB86S7X
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bool "GPIO support for Fujitsu MB86S7x Platforms"
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depends on ARCH_MB86S7X || COMPILE_TEST
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help
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Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
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config GPIO_MENZ127
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tristate "MEN 16Z127 GPIO support"
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depends on MCB
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select GPIO_GENERIC
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help
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Say yes here to support the MEN 16Z127 GPIO Controller
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config GPIO_MM_LANTIQ
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bool "Lantiq Memory mapped GPIOs"
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depends on LANTIQ && SOC_XWAY
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help
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This enables support for memory mapped GPIOs on the External Bus Unit
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(EBU) found on Lantiq SoCs. The gpios are output only as they are
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created by attaching a 16bit latch to the bus.
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config GPIO_MOXART
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bool "MOXART GPIO support"
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depends on ARCH_MOXART || COMPILE_TEST
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select GPIO_GENERIC
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help
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Select this option to enable GPIO driver for
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MOXA ART SoC devices.
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config GPIO_MPC5200
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def_bool y
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depends on PPC_MPC52xx
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config GPIO_MPC8XXX
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bool "MPC512x/MPC8xxx/QorIQ GPIO support"
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depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
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FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
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COMPILE_TEST
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select GPIO_GENERIC
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select IRQ_DOMAIN
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help
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Say Y here if you're going to use hardware that connects to the
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MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
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config GPIO_MVEBU
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def_bool y
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depends on PLAT_ORION
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depends on OF
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select GENERIC_IRQ_CHIP
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config GPIO_MXC
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def_bool y
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depends on ARCH_MXC
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select GPIO_GENERIC
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select GENERIC_IRQ_CHIP
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config GPIO_MXS
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def_bool y
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depends on ARCH_MXS
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select GPIO_GENERIC
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select GENERIC_IRQ_CHIP
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config GPIO_OCTEON
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tristate "Cavium OCTEON GPIO"
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depends on GPIOLIB && CAVIUM_OCTEON_SOC
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default y
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help
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Say yes here to support the on-chip GPIO lines on the OCTEON
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family of SOCs.
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config GPIO_OMAP
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tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
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default y if ARCH_OMAP
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depends on ARM
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select GENERIC_IRQ_CHIP
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select GPIOLIB_IRQCHIP
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help
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Say yes here to enable GPIO support for TI OMAP SoCs.
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config GPIO_PL061
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bool "PrimeCell PL061 GPIO support"
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depends on ARM_AMBA
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select IRQ_DOMAIN
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select GPIOLIB_IRQCHIP
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help
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Say yes here to support the PrimeCell PL061 GPIO device
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config GPIO_PXA
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bool "PXA GPIO support"
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depends on ARCH_PXA || ARCH_MMP
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help
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Say yes here to support the PXA GPIO device
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config GPIO_RCAR
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tristate "Renesas R-Car GPIO"
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depends on ARCH_RENESAS || COMPILE_TEST
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select GPIOLIB_IRQCHIP
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help
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Say yes here to support GPIO on Renesas R-Car SoCs.
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config GPIO_SPEAR_SPICS
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bool "ST SPEAr13xx SPI Chip Select as GPIO support"
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depends on PLAT_SPEAR
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select GENERIC_IRQ_CHIP
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help
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Say yes here to support ST SPEAr SPI Chip Select as GPIO device
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config GPIO_STA2X11
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bool "STA2x11/ConneXt GPIO support"
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depends on MFD_STA2X11
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select GENERIC_IRQ_CHIP
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help
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Say yes here to support the STA2x11/ConneXt GPIO device.
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The GPIO module has 128 GPIO pins with alternate functions.
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config GPIO_STP_XWAY
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bool "XWAY STP GPIOs"
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depends on SOC_XWAY
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help
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This enables support for the Serial To Parallel (STP) unit found on
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XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
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that can be up to 24 bit. This peripheral is aimed at driving leds.
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Some of the gpios/leds can be auto updated by the soc with dsl and
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phy status.
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config GPIO_SYSCON
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tristate "GPIO based on SYSCON"
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depends on MFD_SYSCON && OF
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help
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Say yes here to support GPIO functionality though SYSCON driver.
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config GPIO_TB10X
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bool
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select GENERIC_IRQ_CHIP
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select OF_GPIO
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config GPIO_TEGRA
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bool "NVIDIA Tegra GPIO support"
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default ARCH_TEGRA
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depends on ARCH_TEGRA || COMPILE_TEST
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depends on OF
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help
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Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
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config GPIO_TS4800
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tristate "TS-4800 DIO blocks and compatibles"
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depends on OF_GPIO
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depends on SOC_IMX51 || COMPILE_TEST
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select GPIO_GENERIC
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help
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This driver support TS-4800 FPGA GPIO controllers.
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config GPIO_TZ1090
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bool "Toumaz Xenif TZ1090 GPIO support"
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depends on SOC_TZ1090
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select GENERIC_IRQ_CHIP
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default y
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help
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Say yes here to support Toumaz Xenif TZ1090 GPIOs.
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config GPIO_TZ1090_PDC
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bool "Toumaz Xenif TZ1090 PDC GPIO support"
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depends on SOC_TZ1090
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default y
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help
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Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs.
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config GPIO_VF610
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def_bool y
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depends on ARCH_MXC && SOC_VF610
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select GPIOLIB_IRQCHIP
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help
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Say yes here to support Vybrid vf610 GPIOs.
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config GPIO_VR41XX
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tristate "NEC VR4100 series General-purpose I/O Uint support"
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depends on CPU_VR41XX
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help
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Say yes here to support the NEC VR4100 series General-purpose I/O Uint
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config GPIO_VX855
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tristate "VIA VX855/VX875 GPIO"
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depends on PCI
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select MFD_CORE
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select MFD_VX855
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help
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Support access to the VX855/VX875 GPIO lines through the gpio library.
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This driver provides common support for accessing the device,
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additional drivers must be enabled in order to use the
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functionality of the device.
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config GPIO_XGENE
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bool "APM X-Gene GPIO controller support"
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depends on ARM64 && OF_GPIO
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help
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This driver is to support the GPIO block within the APM X-Gene SoC
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platform's generic flash controller. The GPIO pins are muxed with
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the generic flash controller's address and data pins. Say yes
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here to enable the GFC GPIO functionality.
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config GPIO_XGENE_SB
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tristate "APM X-Gene GPIO standby controller support"
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depends on ARCH_XGENE && OF_GPIO
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select GPIO_GENERIC
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select GPIOLIB_IRQCHIP
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help
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This driver supports the GPIO block within the APM X-Gene
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Standby Domain. Say yes here to enable the GPIO functionality.
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config GPIO_XILINX
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tristate "Xilinx GPIO support"
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depends on OF_GPIO
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help
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Say yes here to support the Xilinx FPGA GPIO device
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config GPIO_XLP
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tristate "Netlogic XLP GPIO support"
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depends on OF_GPIO && (CPU_XLP || ARCH_VULCAN || COMPILE_TEST)
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select GPIOLIB_IRQCHIP
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help
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This driver provides support for GPIO interface on Netlogic XLP MIPS64
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SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
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XLP9XX and XLP5XX.
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If unsure, say N.
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config GPIO_XTENSA
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bool "Xtensa GPIO32 support"
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depends on XTENSA
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depends on HAVE_XTENSA_GPIO32
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depends on !SMP
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help
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Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
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and EXPSTATE (output) ports
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config GPIO_ZEVIO
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bool "LSI ZEVIO SoC memory mapped GPIOs"
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depends on ARM && OF_GPIO
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help
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Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
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config GPIO_ZYNQ
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tristate "Xilinx Zynq GPIO support"
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depends on ARCH_ZYNQ || ARCH_ZYNQMP
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select GPIOLIB_IRQCHIP
|
|
help
|
|
Say yes here to support Xilinx Zynq GPIO controller.
|
|
|
|
config GPIO_ZX
|
|
bool "ZTE ZX GPIO support"
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Say yes here to support the GPIO device on ZTE ZX SoCs.
|
|
|
|
config GPIO_LOONGSON1
|
|
tristate "Loongson1 GPIO support"
|
|
depends on MACH_LOONGSON32
|
|
select GPIO_GENERIC
|
|
help
|
|
Say Y or M here to support GPIO on Loongson1 SoCs.
|
|
|
|
endmenu
|
|
|
|
menu "Port-mapped I/O GPIO drivers"
|
|
depends on X86 # Unconditional I/O space access
|
|
|
|
config GPIO_104_DIO_48E
|
|
tristate "ACCES 104-DIO-48E GPIO support"
|
|
depends on ISA_BUS_API
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
|
|
104-DIO-24E). The base port addresses for the devices may be
|
|
configured via the base module parameter. The interrupt line numbers
|
|
for the devices may be configured via the irq module parameter.
|
|
|
|
config GPIO_104_IDIO_16
|
|
tristate "ACCES 104-IDIO-16 GPIO support"
|
|
depends on ISA_BUS_API
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
|
|
104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
|
|
base port addresses for the devices may be configured via the base
|
|
module parameter. The interrupt line numbers for the devices may be
|
|
configured via the irq module parameter.
|
|
|
|
config GPIO_104_IDI_48
|
|
tristate "ACCES 104-IDI-48 GPIO support"
|
|
depends on ISA_BUS_API
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
|
|
104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
|
|
the devices may be configured via the base module parameter. The
|
|
interrupt line numbers for the devices may be configured via the irq
|
|
module parameter.
|
|
|
|
config GPIO_F7188X
|
|
tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
|
|
help
|
|
This option enables support for GPIOs found on Fintek Super-I/O
|
|
chips F71869, F71869A, F71882FG, F71889F and F81866.
|
|
|
|
To compile this driver as a module, choose M here: the module will
|
|
be called f7188x-gpio.
|
|
|
|
config GPIO_IT87
|
|
tristate "IT87xx GPIO support"
|
|
help
|
|
Say yes here to support GPIO functionality of IT87xx Super I/O chips.
|
|
|
|
This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
|
|
supports the IT8761E, IT8620E and IT8628E Super I/O chip as well.
|
|
|
|
To compile this driver as a module, choose M here: the module will
|
|
be called gpio_it87
|
|
|
|
config GPIO_SCH
|
|
tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
|
|
depends on PCI
|
|
select MFD_CORE
|
|
select LPC_SCH
|
|
help
|
|
Say yes here to support GPIO interface on Intel Poulsbo SCH,
|
|
Intel Tunnel Creek processor, Intel Centerton processor or
|
|
Intel Quark X1000 SoC.
|
|
|
|
The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
|
|
powered by the core power rail and are turned off during sleep
|
|
modes (S3 and higher). The remaining four GPIOs are powered by
|
|
the Intel SCH suspend power supply. These GPIOs remain
|
|
active during S3. The suspend powered GPIOs can be used to wake the
|
|
system from the Suspend-to-RAM state.
|
|
|
|
The Intel Tunnel Creek processor has 5 GPIOs powered by the
|
|
core power rail and 9 from suspend power supply.
|
|
|
|
The Intel Centerton processor has a total of 30 GPIO pins.
|
|
Twenty-one are powered by the core power rail and 9 from the
|
|
suspend power supply.
|
|
|
|
The Intel Quark X1000 SoC has 2 GPIOs powered by the core
|
|
power well and 6 from the suspend power well.
|
|
|
|
config GPIO_SCH311X
|
|
tristate "SMSC SCH311x SuperI/O GPIO"
|
|
help
|
|
Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
|
|
SCH3116 "Super I/O" chipsets.
|
|
|
|
To compile this driver as a module, choose M here: the module will
|
|
be called gpio-sch311x.
|
|
|
|
config GPIO_TS5500
|
|
tristate "TS-5500 DIO blocks and compatibles"
|
|
depends on TS5500 || COMPILE_TEST
|
|
help
|
|
This driver supports Digital I/O exposed by pin blocks found on some
|
|
Technologic Systems platforms. It includes, but is not limited to, 3
|
|
blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
|
|
LCD port.
|
|
|
|
config GPIO_WS16C48
|
|
tristate "WinSystems WS16C48 GPIO support"
|
|
depends on ISA_BUS_API
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Enables GPIO support for the WinSystems WS16C48. The base port
|
|
addresses for the devices may be configured via the base module
|
|
parameter. The interrupt line numbers for the devices may be
|
|
configured via the irq module parameter.
|
|
|
|
endmenu
|
|
|
|
menu "I2C GPIO expanders"
|
|
depends on I2C
|
|
|
|
config GPIO_ADP5588
|
|
tristate "ADP5588 I2C GPIO expander"
|
|
help
|
|
This option enables support for 18 GPIOs found
|
|
on Analog Devices ADP5588 GPIO Expanders.
|
|
|
|
config GPIO_ADP5588_IRQ
|
|
bool "Interrupt controller support for ADP5588"
|
|
depends on GPIO_ADP5588=y
|
|
help
|
|
Say yes here to enable the adp5588 to be used as an interrupt
|
|
controller. It requires the driver to be built in the kernel.
|
|
|
|
config GPIO_ADNP
|
|
tristate "Avionic Design N-bit GPIO expander"
|
|
depends on OF_GPIO
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
This option enables support for N GPIOs found on Avionic Design
|
|
I2C GPIO expanders. The register space will be extended by powers
|
|
of two, so the controller will need to accommodate for that. For
|
|
example: if a controller provides 48 pins, 6 registers will be
|
|
enough to represent all pins, but the driver will assume a
|
|
register layout for 64 pins (8 registers).
|
|
|
|
config GPIO_MAX7300
|
|
tristate "Maxim MAX7300 GPIO expander"
|
|
select GPIO_MAX730X
|
|
help
|
|
GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
|
|
|
|
config GPIO_MAX732X
|
|
tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
|
|
help
|
|
Say yes here to support the MAX7319, MAX7320-7327 series of I2C
|
|
Port Expanders. Each IO port on these chips has a fixed role of
|
|
Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
|
|
Input and Output (designed by 'P'). The combinations are listed
|
|
below:
|
|
|
|
8 bits: max7319 (8I), max7320 (8O), max7321 (8P),
|
|
max7322 (4I4O), max7323 (4P4O)
|
|
|
|
16 bits: max7324 (8I8O), max7325 (8P8O),
|
|
max7326 (4I12O), max7327 (4P12O)
|
|
|
|
Board setup code must specify the model to use, and the start
|
|
number for these GPIOs.
|
|
|
|
config GPIO_MAX732X_IRQ
|
|
bool "Interrupt controller support for MAX732x"
|
|
depends on GPIO_MAX732X=y
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Say yes here to enable the max732x to be used as an interrupt
|
|
controller. It requires the driver to be built in the kernel.
|
|
|
|
config GPIO_MC9S08DZ60
|
|
bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
|
|
depends on I2C=y && MACH_MX35_3DS
|
|
help
|
|
Select this to enable the MC9S08DZ60 GPIO driver
|
|
|
|
config GPIO_PCA953X
|
|
tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
|
|
help
|
|
Say yes here to provide access to several register-oriented
|
|
SMBus I/O expanders, made mostly by NXP or TI. Compatible
|
|
models include:
|
|
|
|
4 bits: pca9536, pca9537
|
|
|
|
8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
|
|
pca9556, pca9557, pca9574, tca6408, xra1202
|
|
|
|
16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
|
|
tca6416
|
|
|
|
24 bits: tca6424
|
|
|
|
40 bits: pca9505, pca9698
|
|
|
|
config GPIO_PCA953X_IRQ
|
|
bool "Interrupt controller support for PCA953x"
|
|
depends on GPIO_PCA953X=y
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Say yes here to enable the pca953x to be used as an interrupt
|
|
controller. It requires the driver to be built in the kernel.
|
|
|
|
config GPIO_PCF857X
|
|
tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
|
|
select GPIOLIB_IRQCHIP
|
|
select IRQ_DOMAIN
|
|
help
|
|
Say yes here to provide access to most "quasi-bidirectional" I2C
|
|
GPIO expanders used for additional digital outputs or inputs.
|
|
Most of these parts are from NXP, though TI is a second source for
|
|
some of them. Compatible models include:
|
|
|
|
8 bits: pcf8574, pcf8574a, pca8574, pca8574a,
|
|
pca9670, pca9672, pca9674, pca9674a,
|
|
max7328, max7329
|
|
|
|
16 bits: pcf8575, pcf8575c, pca8575,
|
|
pca9671, pca9673, pca9675
|
|
|
|
Your board setup code will need to declare the expanders in
|
|
use, and assign numbers to the GPIOs they expose. Those GPIOs
|
|
can then be used from drivers and other kernel code, just like
|
|
other GPIOs, but only accessible from task contexts.
|
|
|
|
This driver provides an in-kernel interface to those GPIOs using
|
|
platform-neutral GPIO calls.
|
|
|
|
config GPIO_SX150X
|
|
bool "Semtech SX150x I2C GPIO expander"
|
|
depends on I2C=y
|
|
select GPIOLIB_IRQCHIP
|
|
default n
|
|
help
|
|
Say yes here to provide support for Semtech SX150-series I2C
|
|
GPIO expanders. Compatible models include:
|
|
|
|
8 bits: sx1508q
|
|
16 bits: sx1509q
|
|
|
|
config GPIO_TPIC2810
|
|
tristate "TPIC2810 8-Bit I2C GPO expander"
|
|
help
|
|
Say yes here to enable the GPO driver for the TI TPIC2810 chip.
|
|
|
|
To compile this driver as a module, choose M here: the module will
|
|
be called gpio-tpic2810.
|
|
|
|
endmenu
|
|
|
|
menu "MFD GPIO expanders"
|
|
|
|
config GPIO_ADP5520
|
|
tristate "GPIO Support for ADP5520 PMIC"
|
|
depends on PMIC_ADP5520
|
|
help
|
|
This option enables support for on-chip GPIO found
|
|
on Analog Devices ADP5520 PMICs.
|
|
|
|
config GPIO_ARIZONA
|
|
tristate "Wolfson Microelectronics Arizona class devices"
|
|
depends on MFD_ARIZONA
|
|
help
|
|
Support for GPIOs on Wolfson Arizona class devices.
|
|
|
|
config GPIO_CRYSTAL_COVE
|
|
tristate "GPIO support for Crystal Cove PMIC"
|
|
depends on INTEL_SOC_PMIC
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Support for GPIO pins on Crystal Cove PMIC.
|
|
|
|
Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
|
|
inside.
|
|
|
|
This driver can also be built as a module. If so, the module will be
|
|
called gpio-crystalcove.
|
|
|
|
config GPIO_CS5535
|
|
tristate "AMD CS5535/CS5536 GPIO support"
|
|
depends on MFD_CS5535
|
|
help
|
|
The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
|
|
can be used for quite a number of things. The CS5535/6 is found on
|
|
AMD Geode and Lemote Yeeloong devices.
|
|
|
|
If unsure, say N.
|
|
|
|
config GPIO_DA9052
|
|
tristate "Dialog DA9052 GPIO"
|
|
depends on PMIC_DA9052
|
|
help
|
|
Say yes here to enable the GPIO driver for the DA9052 chip.
|
|
|
|
config GPIO_DA9055
|
|
tristate "Dialog Semiconductor DA9055 GPIO"
|
|
depends on MFD_DA9055
|
|
help
|
|
Say yes here to enable the GPIO driver for the DA9055 chip.
|
|
|
|
The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
|
|
be controller by this driver.
|
|
|
|
If driver is built as a module it will be called gpio-da9055.
|
|
|
|
config GPIO_DLN2
|
|
tristate "Diolan DLN2 GPIO support"
|
|
depends on MFD_DLN2
|
|
select GPIOLIB_IRQCHIP
|
|
|
|
help
|
|
Select this option to enable GPIO driver for the Diolan DLN2
|
|
board.
|
|
|
|
This driver can also be built as a module. If so, the module
|
|
will be called gpio-dln2.
|
|
|
|
config GPIO_JANZ_TTL
|
|
tristate "Janz VMOD-TTL Digital IO Module"
|
|
depends on MFD_JANZ_CMODIO
|
|
help
|
|
This enables support for the Janz VMOD-TTL Digital IO module.
|
|
This driver provides support for driving the pins in output
|
|
mode only. Input mode is not supported.
|
|
|
|
config GPIO_KEMPLD
|
|
tristate "Kontron ETX / COMexpress GPIO"
|
|
depends on MFD_KEMPLD
|
|
help
|
|
This enables support for the PLD GPIO interface on some Kontron ETX
|
|
and COMexpress (ETXexpress) modules.
|
|
|
|
This driver can also be built as a module. If so, the module will be
|
|
called gpio-kempld.
|
|
|
|
config GPIO_LP3943
|
|
tristate "TI/National Semiconductor LP3943 GPIO expander"
|
|
depends on MFD_LP3943
|
|
help
|
|
GPIO driver for LP3943 MFD.
|
|
LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
|
|
Open drain outputs are required for this usage.
|
|
|
|
config GPIO_MAX77620
|
|
tristate "GPIO support for PMIC MAX77620 and MAX20024"
|
|
depends on MFD_MAX77620
|
|
help
|
|
GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
|
|
MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
|
|
driver also provides interrupt support for each of the gpios.
|
|
Say yes here to enable the max77620 to be used as gpio controller.
|
|
|
|
config GPIO_MSIC
|
|
bool "Intel MSIC mixed signal gpio support"
|
|
depends on MFD_INTEL_MSIC
|
|
help
|
|
Enable support for GPIO on intel MSIC controllers found in
|
|
intel MID devices
|
|
|
|
config GPIO_PALMAS
|
|
bool "TI PALMAS series PMICs GPIO"
|
|
depends on MFD_PALMAS
|
|
help
|
|
Select this option to enable GPIO driver for the TI PALMAS
|
|
series chip family.
|
|
|
|
config GPIO_RC5T583
|
|
bool "RICOH RC5T583 GPIO"
|
|
depends on MFD_RC5T583
|
|
help
|
|
Select this option to enable GPIO driver for the Ricoh RC5T583
|
|
chip family.
|
|
This driver provides the support for driving/reading the gpio pins
|
|
of RC5T583 device through standard gpio library.
|
|
|
|
config GPIO_STMPE
|
|
bool "STMPE GPIOs"
|
|
depends on MFD_STMPE
|
|
depends on OF_GPIO
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
This enables support for the GPIOs found on the STMPE I/O
|
|
Expanders.
|
|
|
|
config GPIO_TC3589X
|
|
bool "TC3589X GPIOs"
|
|
depends on MFD_TC3589X
|
|
depends on OF_GPIO
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
This enables support for the GPIOs found on the TC3589X
|
|
I/O Expander.
|
|
|
|
config GPIO_TIMBERDALE
|
|
bool "Support for timberdale GPIO IP"
|
|
depends on MFD_TIMBERDALE
|
|
---help---
|
|
Add support for the GPIO IP in the timberdale FPGA.
|
|
|
|
config GPIO_TPS65086
|
|
tristate "TI TPS65086 GPO"
|
|
depends on MFD_TPS65086
|
|
help
|
|
This driver supports the GPO on TI TPS65086x PMICs.
|
|
|
|
config GPIO_TPS65218
|
|
tristate "TPS65218 GPIO"
|
|
depends on MFD_TPS65218
|
|
help
|
|
Select this option to enable GPIO driver for the TPS65218
|
|
chip family.
|
|
|
|
config GPIO_TPS6586X
|
|
bool "TPS6586X GPIO"
|
|
depends on MFD_TPS6586X
|
|
help
|
|
Select this option to enable GPIO driver for the TPS6586X
|
|
chip family.
|
|
|
|
config GPIO_TPS65910
|
|
bool "TPS65910 GPIO"
|
|
depends on MFD_TPS65910
|
|
help
|
|
Select this option to enable GPIO driver for the TPS65910
|
|
chip family.
|
|
|
|
config GPIO_TPS65912
|
|
tristate "TI TPS65912 GPIO"
|
|
depends on MFD_TPS65912
|
|
help
|
|
This driver supports TPS65912 gpio chip
|
|
|
|
config GPIO_TWL4030
|
|
tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
|
|
depends on TWL4030_CORE
|
|
help
|
|
Say yes here to access the GPIO signals of various multi-function
|
|
power management chips from Texas Instruments.
|
|
|
|
config GPIO_TWL6040
|
|
tristate "TWL6040 GPO"
|
|
depends on TWL6040_CORE
|
|
help
|
|
Say yes here to access the GPO signals of twl6040
|
|
audio chip from Texas Instruments.
|
|
|
|
config GPIO_UCB1400
|
|
tristate "Philips UCB1400 GPIO"
|
|
depends on UCB1400_CORE
|
|
help
|
|
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
|
|
help
|
|
Say yes here to access the GPIO signals of WM831x power management
|
|
chips from Wolfson Microelectronics.
|
|
|
|
config GPIO_WM8350
|
|
tristate "WM8350 GPIOs"
|
|
depends on MFD_WM8350
|
|
help
|
|
Say yes here to access the GPIO signals of WM8350 power management
|
|
chips from Wolfson Microelectronics.
|
|
|
|
config GPIO_WM8994
|
|
tristate "WM8994 GPIOs"
|
|
depends on MFD_WM8994
|
|
help
|
|
Say yes here to access the GPIO signals of WM8994 audio hub
|
|
CODECs from Wolfson Microelectronics.
|
|
|
|
endmenu
|
|
|
|
menu "PCI GPIO expanders"
|
|
depends on PCI
|
|
|
|
config GPIO_AMD8111
|
|
tristate "AMD 8111 GPIO driver"
|
|
help
|
|
The AMD 8111 south bridge contains 32 GPIO pins which can be used.
|
|
|
|
Note, that usually system firmware/ACPI handles GPIO pins on their
|
|
own and users might easily break their systems with uncarefull usage
|
|
of this driver!
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|
|
|
If unsure, say N
|
|
|
|
config GPIO_BT8XX
|
|
tristate "BT8XX GPIO abuser"
|
|
depends on VIDEO_BT848=n
|
|
help
|
|
The BT8xx frame grabber chip has 24 GPIO pins that can be abused
|
|
as a cheap PCI GPIO card.
|
|
|
|
This chip can be found on Miro, Hauppauge and STB TV-cards.
|
|
|
|
The card needs to be physically altered for using it as a
|
|
GPIO card. For more information on how to build a GPIO card
|
|
from a BT8xx TV card, see the documentation file at
|
|
Documentation/bt8xxgpio.txt
|
|
|
|
If unsure, say N.
|
|
|
|
config GPIO_INTEL_MID
|
|
bool "Intel MID GPIO support"
|
|
depends on X86_INTEL_MID
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Say Y here to support Intel MID GPIO.
|
|
|
|
config GPIO_MERRIFIELD
|
|
tristate "Intel Merrifield GPIO support"
|
|
depends on X86_INTEL_MID
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
Say Y here to support Intel Merrifield GPIO.
|
|
|
|
config GPIO_ML_IOH
|
|
tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
|
|
select GENERIC_IRQ_CHIP
|
|
help
|
|
ML7213 is companion chip for Intel Atom E6xx series.
|
|
This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
|
|
Hub) which is for IVI(In-Vehicle Infotainment) use.
|
|
This driver can access the IOH's GPIO device.
|
|
|
|
config GPIO_PCH
|
|
tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
|
|
depends on X86_32 || MIPS || COMPILE_TEST
|
|
select GENERIC_IRQ_CHIP
|
|
help
|
|
This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
|
|
which is an IOH(Input/Output Hub) for x86 embedded processor.
|
|
This driver can access PCH GPIO device.
|
|
|
|
This driver also can be used for LAPIS Semiconductor IOH(Input/
|
|
Output Hub), ML7223 and ML7831.
|
|
ML7223 IOH is for MP(Media Phone) use.
|
|
ML7831 IOH is for general purpose use.
|
|
ML7223/ML7831 is companion chip for Intel Atom E6xx series.
|
|
ML7223/ML7831 is completely compatible for Intel EG20T PCH.
|
|
|
|
config GPIO_RDC321X
|
|
tristate "RDC R-321x GPIO support"
|
|
select MFD_CORE
|
|
select MFD_RDC321X
|
|
help
|
|
Support for the RDC R321x SoC GPIOs over southbridge
|
|
PCI configuration space.
|
|
|
|
config GPIO_SODAVILLE
|
|
bool "Intel Sodaville GPIO support"
|
|
depends on X86 && OF
|
|
select GPIO_GENERIC
|
|
select GENERIC_IRQ_CHIP
|
|
help
|
|
Say Y here to support Intel Sodaville GPIO.
|
|
|
|
endmenu
|
|
|
|
menu "SPI GPIO expanders"
|
|
depends on SPI_MASTER
|
|
|
|
config GPIO_74X164
|
|
tristate "74x164 serial-in/parallel-out 8-bits shift register"
|
|
depends on OF
|
|
help
|
|
Driver for 74x164 compatible serial-in/parallel-out 8-outputs
|
|
shift registers. This driver can be used to provide access
|
|
to more gpio outputs.
|
|
|
|
config GPIO_MAX7301
|
|
tristate "Maxim MAX7301 GPIO expander"
|
|
select GPIO_MAX730X
|
|
help
|
|
GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
|
|
|
|
config GPIO_MC33880
|
|
tristate "Freescale MC33880 high-side/low-side switch"
|
|
help
|
|
SPI driver for Freescale MC33880 high-side/low-side switch.
|
|
This provides GPIO interface supporting inputs and outputs.
|
|
|
|
config GPIO_PISOSR
|
|
tristate "Generic parallel-in/serial-out shift register"
|
|
help
|
|
GPIO driver for SPI compatible parallel-in/serial-out shift
|
|
registers. These are input only devices.
|
|
|
|
endmenu
|
|
|
|
menu "SPI or I2C GPIO expanders"
|
|
depends on (SPI_MASTER && !I2C) || I2C
|
|
|
|
config GPIO_MCP23S08
|
|
tristate "Microchip MCP23xxx I/O expander"
|
|
select GPIOLIB_IRQCHIP
|
|
help
|
|
SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
|
|
I/O expanders.
|
|
This provides a GPIO interface supporting inputs and outputs.
|
|
The I2C versions of the chips can be used as interrupt-controller.
|
|
|
|
endmenu
|
|
|
|
menu "USB GPIO expanders"
|
|
depends on USB
|
|
|
|
config GPIO_VIPERBOARD
|
|
tristate "Viperboard GPIO a & b support"
|
|
depends on MFD_VIPERBOARD
|
|
help
|
|
Say yes here to access the GPIO signals of Nano River
|
|
Technologies Viperboard. There are two GPIO chips on the
|
|
board: gpioa and gpiob.
|
|
See viperboard API specification and Nano
|
|
River Tech's viperboard.h for detailed meaning
|
|
of the module parameters.
|
|
|
|
endmenu
|
|
|
|
endif
|