diff options
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 362 |
1 files changed, 307 insertions, 55 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 673bafb8be58..c74da29253e8 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -3,6 +3,12 @@ # GPIO infrastructure and drivers # +config GPIOLIB_LEGACY + def_bool y + +config HAVE_SHARED_GPIOS + bool + menuconfig GPIOLIB bool "GPIO Support" help @@ -39,13 +45,10 @@ config GPIOLIB_IRQCHIP select IRQ_DOMAIN bool -config OF_GPIO_MM_GPIOCHIP - bool - help - This adds support for the legacy 'struct of_mm_gpio_chip' interface - from PowerPC. Existing drivers using this interface need to select - this symbol, but new drivers should use the generic gpio-regmap - infrastructure instead. +config GPIO_SHARED + def_bool y + depends on HAVE_SHARED_GPIOS || COMPILE_TEST + select AUXILIARY_BUS config DEBUG_GPIO bool "Debug GPIO calls" @@ -69,9 +72,16 @@ config GPIO_SYSFS use the character device /dev/gpiochipN with the appropriate ioctl() operations instead. +config GPIO_SYSFS_LEGACY + bool "Enable legacy functionalities of the sysfs interface" + depends on GPIO_SYSFS + default y if GPIO_SYSFS + help + Say Y here if you want to enable the legacy, global GPIO + numberspace-based functionalities of the sysfs interface. + 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 +113,15 @@ 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 +159,7 @@ 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 +212,7 @@ 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 +225,22 @@ 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 +264,8 @@ 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. @@ -272,7 +303,7 @@ config GPIO_EN7523 config GPIO_EP93XX def_bool y - depends on ARCH_EP93XX + depends on ARCH_EP93XX || COMPILE_TEST select GPIO_GENERIC select GPIOLIB_IRQCHIP @@ -312,11 +343,29 @@ 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 +393,7 @@ 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 @@ -360,8 +408,7 @@ config GPIO_IMX_SCU config GPIO_IXP4XX bool "Intel IXP4xx GPIO" - depends on ARCH_IXP4XX - depends on OF + depends on (ARCH_IXP4XX && OF) || COMPILE_TEST select GPIO_GENERIC select GPIOLIB_IRQCHIP select IRQ_DOMAIN_HIERARCHY @@ -389,6 +436,7 @@ config GPIO_LOONGSON_64BIT depends on LOONGARCH || COMPILE_TEST depends on OF_GPIO select GPIO_GENERIC + select GPIOLIB_IRQCHIP help Say yes here to support the GPIO functionality of a number of Loongson series of chips. The Loongson GPIO controller supports @@ -401,6 +449,7 @@ 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. @@ -427,7 +476,6 @@ config GPIO_MENZ127 config GPIO_MM_LANTIQ bool "Lantiq Memory mapped GPIOs" depends on LANTIQ && SOC_XWAY - select OF_GPIO_MM_GPIOCHIP help This enables support for memory mapped GPIOs on the External Bus Unit (EBU) found on Lantiq SoCs. The GPIOs are output only as they are @@ -436,7 +484,6 @@ config GPIO_MM_LANTIQ config GPIO_MPC5200 def_bool y depends on PPC_MPC52xx - select OF_GPIO_MM_GPIOCHIP config GPIO_MPC8XXX bool "MPC512x/MPC8xxx/QorIQ GPIO support" @@ -444,7 +491,7 @@ 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 +506,9 @@ 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 +525,25 @@ 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 + select GPIOLIB_IRQCHIP + help + Say Y here to support Nuvoton NPCM7XX/NPCM8XX SGPIO functionality. + config GPIO_OCTEON tristate "Cavium OCTEON GPIO" depends on CAVIUM_OCTEON_SOC @@ -487,9 +553,9 @@ 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 @@ -497,15 +563,22 @@ 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. @@ -553,6 +626,19 @@ config GPIO_ROCKCHIP help Say yes here to support GPIO on Rockchip SoCs. +config GPIO_RTD + tristate "Realtek DHC GPIO support" + depends on ARCH_REALTEK || COMPILE_TEST + default y + select GPIOLIB_IRQCHIP + help + This option enables support for GPIOs found on Realtek DHC(Digital + Home Center) SoCs family, including RTD1295, RTD1315E, RTD1319, + RTD1319D, RTD1395, RTD1619 and RTD1619B. + + Say yes here to support GPIO functionality and GPIO interrupt on + Realtek DHC SoCs. + config GPIO_SAMA5D2_PIOBU tristate "SAMA5D2 PIOBU GPIO support" depends on MFD_SYSCON @@ -594,6 +680,15 @@ 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 @@ -638,7 +733,8 @@ config GPIO_TANGIER If built as a module its name will be gpio-tangier. config GPIO_TB10X - bool + bool "Abilis Systems TB10x GPIO controller" + depends on ARC_PLAT_TB10X || COMPILE_TEST select GPIO_GENERIC select GENERIC_IRQ_CHIP select OF_GPIO @@ -655,13 +751,13 @@ 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" @@ -691,9 +787,11 @@ 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. @@ -736,7 +834,6 @@ 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. @@ -767,14 +864,14 @@ 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 @@ -786,7 +883,7 @@ config GPIO_ZYNQMP_MODEPIN config GPIO_LOONGSON1 tristate "Loongson1 GPIO support" - depends on MACH_LOONGSON32 + depends on MACH_LOONGSON32 || COMPILE_TEST select GPIO_GENERIC help Say Y or M here to support GPIO on Loongson1 SoCs. @@ -803,7 +900,7 @@ 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 @@ -1096,14 +1193,18 @@ config GPIO_PCA953X 4 bits: pca9536, pca9537 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, - pca9556, pca9557, pca9574, tca6408, tca9554, xra1202 + pca9556, pca9557, pca9574, tca6408, tca9554, xra1202, + pcal6408, pcal9554b, tca9538 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, - tca6416 + tca6416, pca6416, pcal6416, pcal9535, pcal9555a, max7318, + tca9539 + + 18 bits: tca6418 - 24 bits: tca6424 + 24 bits: tca6424, pcal6524 - 40 bits: pca9505, pca9698 + 40 bits: pca9505, pca9698, pca9506 config GPIO_PCA953X_IRQ bool "Interrupt controller support for PCA953x" @@ -1173,6 +1274,14 @@ 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 + select GPIOLIB_IRQCHIP + 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 @@ -1220,6 +1329,26 @@ 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 @@ -1275,7 +1404,7 @@ 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 @@ -1283,7 +1412,7 @@ config HTC_EGPIO config GPIO_ELKHARTLAKE tristate "Intel Elkhart Lake PSE GPIO support" - depends on X86 || COMPILE_TEST + depends on INTEL_EHL_PSE_IO select GPIO_TANGIER help Select this option to enable GPIO support for Intel Elkhart Lake @@ -1312,9 +1441,9 @@ config GPIO_KEMPLD config GPIO_LJCA tristate "INTEL La Jolla Cove Adapter GPIO support" - depends on MFD_LJCA + depends on USB_LJCA select GPIOLIB_IRQCHIP - default MFD_LJCA + default USB_LJCA help Select this option to enable GPIO driver for the INTEL La Jolla Cove Adapter (LJCA) board. @@ -1350,12 +1479,34 @@ config GPIO_LP87565 This driver can also be built as a module. If so, the module will be called gpio-lp87565. +config GPIO_MACSMC + tristate "Apple Mac SMC GPIO" + depends on MFD_MACSMC + help + Support for GPIOs controlled by the SMC microcontroller on Apple Mac + systems. + + This driver can also be built as a module. If so, the module will be + called gpio-macsmc. + config GPIO_MADERA tristate "Cirrus Logic Madera class codecs" depends on PINCTRL_MADERA help Support for GPIOs on Cirrus Logic Madera class codecs. +config GPIO_MAX7360 + tristate "MAX7360 GPIO support" + depends on MFD_MAX7360 + select GPIO_REGMAP + select REGMAP_IRQ + help + Allows to use MAX7360 I/O Expander PWM lines as GPIO and keypad COL + lines as GPO. + + This driver can also be built as a module. If so, the module will be + called gpio-max7360. + config GPIO_MAX77620 tristate "GPIO support for PMIC MAX77620 and MAX20024" depends on MFD_MAX77620 @@ -1373,8 +1524,33 @@ 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_NCT6694 + tristate "Nuvoton NCT6694 GPIO controller support" + depends on MFD_NCT6694 + select GENERIC_IRQ_CHIP + select GPIOLIB_IRQCHIP + help + This driver supports 8 GPIO pins per bank that can all be interrupt + sources. + + This driver can also be built as a module. If so, the module will be + called gpio-nct6694. + config GPIO_PALMAS - bool "TI PALMAS series PMICs GPIO" + tristate "TI PALMAS series PMICs GPIO" depends on MFD_PALMAS help Select this option to enable GPIO driver for the TI PALMAS @@ -1388,6 +1564,15 @@ config GPIO_PMIC_EIC_SPRD help Say yes here to support Spreadtrum PMIC EIC device. +config GPIO_QIXIS_FPGA + tristate "NXP QIXIS FPGA GPIO support" + depends on MFD_SIMPLE_MFD_I2C || COMPILE_TEST + select GPIO_REGMAP + help + This enables support for the GPIOs found in the QIXIS FPGA which is + integrated on some NXP Layerscape boards such as LX2160ARDB and + LS1046AQDS. + config GPIO_RC5T583 bool "RICOH RC5T583 GPIO" depends on MFD_RC5T583 @@ -1410,7 +1595,7 @@ config GPIO_SL28CPLD called gpio-sl28cpld. config GPIO_STMPE - bool "STMPE GPIOs" + tristate "STMPE GPIOs" depends on MFD_STMPE depends on OF_GPIO select GPIOLIB_IRQCHIP @@ -1430,12 +1615,13 @@ 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 @@ -1506,7 +1692,7 @@ 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 @@ -1581,7 +1767,7 @@ 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. @@ -1702,7 +1888,6 @@ 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 @@ -1767,12 +1952,32 @@ 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. + +config GPIO_USBIO + tristate "Intel USBIO GPIO support" + depends on USB_USBIO + default USB_USBIO + help + Select this option to enable GPIO driver for the INTEL + USBIO driver stack. + + This driver can also be built as a module. If so, the module + will be called gpio_usbio. + 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. @@ -1790,9 +1995,11 @@ config GPIO_LATCH connected to other GPIOs. config GPIO_MOCKUP - tristate "GPIO Testing Driver" + tristate "GPIO Testing Driver (DEPRECATED)" select IRQ_SIM help + This module is DEPRECATED. Please consider using gpio-sim instead. + This enables GPIO Testing driver, which provides a way to test GPIO subsystem through sysfs (or char device) and debugfs. User could use it through the script in @@ -1813,10 +2020,55 @@ 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. +config GPIO_SHARED_PROXY + tristate "Proxy driver for non-exclusive GPIOs" + default m + depends on GPIO_SHARED || COMPILE_TEST + select AUXILIARY_BUS + help + This enables the GPIO shared proxy driver - an abstraction layer + for GPIO pins that are shared by multiple devices. + +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 |