| # |
| # GPIO infrastructure and drivers |
| # |
| |
| config ARCH_HAVE_CUSTOM_GPIO_H |
| bool |
| help |
| Selecting this config option from the architecture Kconfig allows |
| the architecture to provide a custom asm/gpio.h implementation |
| 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" |
| depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB |
| help |
| This enables GPIO support through the generic GPIO library. |
| You only need to enable this, if you also want to enable |
| one or more of the GPIO drivers below. |
| |
| If unsure, say N. |
| |
| if GPIOLIB |
| |
| config GPIO_DEVRES |
| def_bool y |
| depends on HAS_IOMEM |
| |
| config OF_GPIO |
| def_bool y |
| depends on OF |
| |
| config GPIO_ACPI |
| def_bool y |
| depends on ACPI |
| |
| config GPIOLIB_IRQCHIP |
| select IRQ_DOMAIN |
| bool |
| |
| config DEBUG_GPIO |
| bool "Debug GPIO calls" |
| depends on DEBUG_KERNEL |
| help |
| Say Y here to add some extra checks and diagnostics to GPIO calls. |
| These checks help ensure that GPIOs have been properly initialized |
| before they are used, and that sleeping calls are not made from |
| non-sleeping contexts. They can make bitbanged serial protocols |
| slower. The diagnostics help catch the type of setup errors |
| that are most common when setting up new platforms or boards. |
| |
| config GPIO_SYSFS |
| bool "/sys/class/gpio/... (sysfs interface)" |
| depends on SYSFS |
| help |
| Say Y here to add a sysfs interface for GPIOs. |
| |
| This is mostly useful to work around omissions in a system's |
| kernel support. Those are common in custom and semicustom |
| hardware assembled using standard kernels with a minimum of |
| custom patches. In those cases, userspace code may import |
| a given GPIO from the kernel, if no kernel driver requested it. |
| |
| Kernel drivers may also request that a particular GPIO be |
| exported to userspace; this can be useful when debugging. |
| |
| config GPIO_GENERIC |
| tristate |
| |
| # put drivers in the right section, in alphabetical order |
| |
| # This symbol is selected by both I2C and SPI expanders |
| config GPIO_MAX730X |
| tristate |
| |
| menu "Memory mapped GPIO drivers" |
| |
| config GPIO_74XX_MMIO |
| tristate "GPIO driver for 74xx-ICs with MMIO access" |
| depends on OF_GPIO |
| select GPIO_GENERIC |
| help |
| Say yes here to support GPIO functionality for 74xx-compatible ICs |
| with MMIO access. Compatible models include: |
| 1 bit: 741G125 (Input), 741G74 (Output) |
| 2 bits: 742G125 (Input), 7474 (Output) |
| 4 bits: 74125 (Input), 74175 (Output) |
| 6 bits: 74365 (Input), 74174 (Output) |
| 8 bits: 74244 (Input), 74273 (Output) |
| 16 bits: 741624 (Input), 7416374 (Output) |
| |
| config GPIO_ALTERA |
| tristate "Altera GPIO" |
| depends on OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y or M here to build support for the Altera PIO device. |
| |
| If driver is built as a module it will be called gpio-altera. |
| |
| config GPIO_AMDPT |
| tristate "AMD Promontory GPIO support" |
| depends on ACPI |
| help |
| driver for GPIO functionality on Promontory IOHub |
| Require ACPI ASL code to enumerate as a platform device. |
| |
| config GPIO_ATH79 |
| tristate "Atheros AR71XX/AR724X/AR913X GPIO support" |
| default y if ATH79 |
| depends on ATH79 || COMPILE_TEST |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Select this option to enable GPIO driver for |
| Atheros AR71XX/AR724X/AR913X SoC devices. |
| |
| config GPIO_BCM_KONA |
| bool "Broadcom Kona GPIO" |
| depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST) |
| help |
| Turn on GPIO support for Broadcom "Kona" chips. |
| |
| config GPIO_BRCMSTB |
| tristate "BRCMSTB GPIO support" |
| default y if (ARCH_BRCMSTB || BMIPS_GENERIC) |
| depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. |
| |
| config GPIO_CLPS711X |
| tristate "CLPS711X GPIO support" |
| depends on ARCH_CLPS711X || COMPILE_TEST |
| select GPIO_GENERIC |
| help |
| Say yes here to support GPIO on CLPS711X SoCs. |
| |
| config GPIO_DAVINCI |
| bool "TI Davinci/Keystone GPIO support" |
| default y if ARCH_DAVINCI |
| depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE) |
| help |
| Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. |
| |
| config GPIO_DWAPB |
| tristate "Synopsys DesignWare APB GPIO driver" |
| select GPIO_GENERIC |
| select GENERIC_IRQ_CHIP |
| help |
| Say Y or M here to build support for the Synopsys DesignWare APB |
| GPIO block. |
| |
| config GPIO_EM |
| tristate "Emma Mobile GPIO" |
| depends on ARM && OF_GPIO |
| help |
| Say yes here to support GPIO on Renesas Emma Mobile SoCs. |
| |
| config GPIO_EP93XX |
| def_bool y |
| depends on ARCH_EP93XX |
| select GPIO_GENERIC |
| |
| config GPIO_ETRAXFS |
| bool "Axis ETRAX FS General I/O" |
| depends on CRIS || COMPILE_TEST |
| depends on OF |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support the GPIO controller on Axis ETRAX FS SoCs. |
| |
| config GPIO_GE_FPGA |
| bool "GE FPGA based GPIO" |
| depends on GE_FPGA |
| select GPIO_GENERIC |
| help |
| Support for common GPIO functionality provided on some GE Single Board |
| Computers. |
| |
| This driver provides basic support (configure as input or output, read |
| and write pin state) for GPIO implemented in a number of GE single |
| board computers. |
| |
| config GPIO_GENERIC_PLATFORM |
| tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" |
| select GPIO_GENERIC |
| help |
| Say yes here to support basic platform_device memory-mapped GPIO controllers. |
| |
| config GPIO_GRGPIO |
| tristate "Aeroflex Gaisler GRGPIO support" |
| depends on OF |
| select GPIO_GENERIC |
| select IRQ_DOMAIN |
| help |
| Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB |
| VHDL IP core library. |
| |
| config GPIO_ICH |
| tristate "Intel ICH GPIO" |
| depends on PCI && X86 |
| select MFD_CORE |
| select LPC_ICH |
| help |
| Say yes here to support the GPIO functionality of a number of Intel |
| ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 |
| ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg |
| Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). |
| |
| If unsure, say N. |
| |
| config GPIO_IOP |
| tristate "Intel IOP GPIO" |
| depends on ARM && (ARCH_IOP32X || ARCH_IOP33X) |
| help |
| Say yes here to support the GPIO functionality of a number of Intel |
| IOP32X or IOP33X. |
| |
| If unsure, say N. |
| |
| config GPIO_LOONGSON |
| bool "Loongson-2/3 GPIO support" |
| depends on CPU_LOONGSON2 || CPU_LOONGSON3 |
| help |
| driver for GPIO functionality on Loongson-2F/3A/3B processors. |
| |
| config GPIO_LPC18XX |
| bool "NXP LPC18XX/43XX GPIO support" |
| default y if ARCH_LPC18XX |
| depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) |
| help |
| Select this option to enable GPIO driver for |
| NXP LPC18XX/43XX devices. |
| |
| config GPIO_LYNXPOINT |
| tristate "Intel Lynxpoint GPIO support" |
| depends on ACPI && X86 |
| select GPIOLIB_IRQCHIP |
| help |
| driver for GPIO functionality on Intel Lynxpoint PCH chipset |
| Requires ACPI device enumeration code to set up a platform device. |
| |
| config GPIO_MB86S7X |
| bool "GPIO support for Fujitsu MB86S7x Platforms" |
| depends on ARCH_MB86S7X || COMPILE_TEST |
| help |
| Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. |
| |
| config GPIO_MENZ127 |
| tristate "MEN 16Z127 GPIO support" |
| depends on MCB |
| select GPIO_GENERIC |
| help |
| Say yes here to support the MEN 16Z127 GPIO Controller |
| |
| config GPIO_MM_LANTIQ |
| bool "Lantiq Memory mapped GPIOs" |
| depends on LANTIQ && SOC_XWAY |
| 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 |
| created by attaching a 16bit latch to the bus. |
| |
| config GPIO_MOXART |
| bool "MOXART GPIO support" |
| depends on ARCH_MOXART || COMPILE_TEST |
| select GPIO_GENERIC |
| help |
| Select this option to enable GPIO driver for |
| MOXA ART SoC devices. |
| |
| config GPIO_MPC5200 |
| def_bool y |
| depends on PPC_MPC52xx |
| |
| config GPIO_MPC8XXX |
| bool "MPC512x/MPC8xxx/QorIQ GPIO support" |
| depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ |
| FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ |
| COMPILE_TEST |
| select GPIO_GENERIC |
| help |
| Say Y here if you're going to use hardware that connects to the |
| MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. |
| |
| config GPIO_MVEBU |
| def_bool y |
| depends on PLAT_ORION |
| depends on OF |
| select GENERIC_IRQ_CHIP |
| |
| config GPIO_MXC |
| def_bool y |
| depends on ARCH_MXC |
| select GPIO_GENERIC |
| select GENERIC_IRQ_CHIP |
| |
| config GPIO_MXS |
| def_bool y |
| depends on ARCH_MXS |
| select GPIO_GENERIC |
| select GENERIC_IRQ_CHIP |
| |
| config GPIO_OCTEON |
| tristate "Cavium OCTEON GPIO" |
| depends on GPIOLIB && CAVIUM_OCTEON_SOC |
| default y |
| help |
| Say yes here to support the on-chip GPIO lines on the OCTEON |
| family of SOCs. |
| |
| config GPIO_OMAP |
| tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST |
| default y if ARCH_OMAP |
| depends on ARM |
| select GENERIC_IRQ_CHIP |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to enable GPIO support for TI OMAP SoCs. |
| |
| config GPIO_PL061 |
| bool "PrimeCell PL061 GPIO support" |
| depends on ARM_AMBA |
| select IRQ_DOMAIN |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support the PrimeCell PL061 GPIO device |
| |
| config GPIO_PXA |
| bool "PXA GPIO support" |
| depends on ARCH_PXA || ARCH_MMP |
| help |
| Say yes here to support the PXA GPIO device |
| |
| config GPIO_RCAR |
| tristate "Renesas R-Car GPIO" |
| depends on ARCH_RENESAS || COMPILE_TEST |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support GPIO on Renesas R-Car SoCs. |
| |
| config GPIO_SPEAR_SPICS |
| bool "ST SPEAr13xx SPI Chip Select as GPIO support" |
| depends on PLAT_SPEAR |
| select GENERIC_IRQ_CHIP |
| help |
| Say yes here to support ST SPEAr SPI Chip Select as GPIO device |
| |
| config GPIO_STA2X11 |
| bool "STA2x11/ConneXt GPIO support" |
| depends on MFD_STA2X11 |
| select GENERIC_IRQ_CHIP |
| help |
| Say yes here to support the STA2x11/ConneXt GPIO device. |
| The GPIO module has 128 GPIO pins with alternate functions. |
| |
| config GPIO_STP_XWAY |
| bool "XWAY STP GPIOs" |
| depends on SOC_XWAY |
| help |
| This enables support for the Serial To Parallel (STP) unit found on |
| XWAY SoC. The STP allows the SoC to drive a shift registers cascade, |
| that can be up to 24 bit. This peripheral is aimed at driving leds. |
| Some of the gpios/leds can be auto updated by the soc with dsl and |
| phy status. |
| |
| config GPIO_SYSCON |
| tristate "GPIO based on SYSCON" |
| depends on MFD_SYSCON && OF |
| help |
| Say yes here to support GPIO functionality though SYSCON driver. |
| |
| config GPIO_TB10X |
| bool |
| select GENERIC_IRQ_CHIP |
| select OF_GPIO |
| |
| config GPIO_TS4800 |
| tristate "TS-4800 DIO blocks and compatibles" |
| depends on OF_GPIO |
| depends on SOC_IMX51 || COMPILE_TEST |
| select GPIO_GENERIC |
| help |
| This driver support TS-4800 FPGA GPIO controllers. |
| |
| config GPIO_TZ1090 |
| bool "Toumaz Xenif TZ1090 GPIO support" |
| depends on SOC_TZ1090 |
| select GENERIC_IRQ_CHIP |
| default y |
| help |
| Say yes here to support Toumaz Xenif TZ1090 GPIOs. |
| |
| config GPIO_TZ1090_PDC |
| bool "Toumaz Xenif TZ1090 PDC GPIO support" |
| depends on SOC_TZ1090 |
| default y |
| help |
| Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs. |
| |
| config GPIO_VF610 |
| def_bool y |
| depends on ARCH_MXC && SOC_VF610 |
| select GPIOLIB_IRQCHIP |
| help |
| Say yes here to support Vybrid vf610 GPIOs. |
| |
| config GPIO_VR41XX |
| tristate "NEC VR4100 series General-purpose I/O Uint support" |
| depends on CPU_VR41XX |
| help |
| Say yes here to support the NEC VR4100 series General-purpose I/O Uint |
| |
| config GPIO_VX855 |
| tristate "VIA VX855/VX875 GPIO" |
| depends on PCI |
| select MFD_CORE |
| select MFD_VX855 |
| help |
| Support access to the VX855/VX875 GPIO lines through the gpio library. |
| |
| This driver provides common support for accessing the device, |
| additional drivers must be enabled in order to use the |
| functionality of the device. |
| |
| config GPIO_XGENE |
| bool "APM X-Gene GPIO controller support" |
| depends on ARM64 && OF_GPIO |
| help |
| This driver is to support the GPIO block within the APM X-Gene SoC |
| platform's generic flash controller. The GPIO pins are muxed with |
| the generic flash controller's address and data pins. Say yes |
| here to enable the GFC GPIO functionality. |
| |
| config GPIO_XGENE_SB |
| tristate "APM X-Gene GPIO standby controller support" |
| depends on ARCH_XGENE && OF_GPIO |
| select GPIO_GENERIC |
| select GPIOLIB_IRQCHIP |
| help |
| This driver supports the GPIO block within the APM X-Gene |
| Standby Domain. Say yes here to enable the GPIO functionality. |
| |
| config GPIO_XILINX |
| tristate "Xilinx GPIO support" |
| depends on OF_GPIO |
| help |
| Say yes here to support the Xilinx FPGA GPIO device |
| |
| config GPIO_XLP |
| tristate "Netlogic XLP GPIO support" |
| depends on CPU_XLP && OF_GPIO |
| select GPIOLIB_IRQCHIP |
| help |
| This driver provides support for GPIO interface on Netlogic XLP MIPS64 |
| SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX, |
| XLP9XX and XLP5XX. |
| |
| If unsure, say N. |
| |
| config GPIO_XTENSA |
| bool "Xtensa GPIO32 support" |
| depends on XTENSA |
| depends on HAVE_XTENSA_GPIO32 |
| depends on !SMP |
| help |
| Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input) |
| and EXPSTATE (output) ports |
| |
| config GPIO_ZEVIO |
| bool "LSI ZEVIO SoC memory mapped GPIOs" |
| depends on ARM && OF_GPIO |
| help |
| Say yes here to support the GPIO controller in LSI ZEVIO SoCs. |
| |
| config GPIO_ZYNQ |
| tristate "Xilinx Zynq GPIO support" |
| depends on ARCH_ZYNQ || ARCH_ZYNQMP |
| 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. |
| |
| 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" |
| select GPIOLIB_IRQCHIP |
| help |
| Enables GPIO support for the ACCES 104-DIO-48E family. The base port |
| address for the device may be configured via the dio_48e_base module |
| parameter. The interrupt line number for the device may be configured |
| via the dio_48e_irq module parameter. |
| |
| config GPIO_104_IDIO_16 |
| tristate "ACCES 104-IDIO-16 GPIO support" |
| select GPIOLIB_IRQCHIP |
| help |
| Enables GPIO support for the ACCES 104-IDIO-16 family. The base port |
| address for the device may be set via the idio_16_base module |
| parameter. The interrupt line number for the device may be set via the |
| idio_16_irq module parameter. |
| |
| config GPIO_104_IDI_48 |
| tristate "ACCES 104-IDI-48 GPIO support" |
| select GPIOLIB_IRQCHIP |
| help |
| Enables GPIO support for the ACCES 104-IDI-48 family. The base port |
| address for the device may be configured via the idi_48_base module |
| parameter. The interrupt line number for the device may be configured |
| via the idi_48_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 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" |
| select GPIOLIB_IRQCHIP |
| help |
| Enables GPIO support for the WinSystems WS16C48. The base port address |
| for the device may be configured via the ws16c48_base module |
| parameter. The interrupt line number for the device may be configured |
| via the ws16c48_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_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_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! |
| |
| 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 |
| select GPIOLIB_IRQCHIP |
| help |
| Say Y here to support Intel Mid 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" |
| 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 |