diff options
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 8030fd91a3cc..e1376466d8b0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -66,8 +66,33 @@ config GPIO_SYSFS This ABI is deprecated. If you want to use GPIO from userspace, use the character device /dev/gpiochipN with the appropriate - ioctl() operations instead. The character device is always - available. + ioctl() operations instead. + +config GPIO_CDEV + bool + prompt "Character device (/dev/gpiochipN) support" if EXPERT + default y + help + Say Y here to add the character device /dev/gpiochipN interface + for GPIOs. The character device allows userspace to control GPIOs + using ioctl() operations. + + Only say N if you are sure that the GPIO character device is not + required. + + If unsure, say Y. + +config GPIO_CDEV_V1 + bool "Support GPIO ABI Version 1" + default y + depends on GPIO_CDEV + help + Say Y here to support version 1 of the GPIO CDEV ABI. + + This ABI version is deprecated. + Please use the latest ABI for new developments. + + If unsure, say Y. config GPIO_GENERIC depends on HAS_IOMEM # Only for IOMEM drivers @@ -202,7 +227,7 @@ config GPIO_DAVINCI config GPIO_DWAPB tristate "Synopsys DesignWare APB GPIO driver" select GPIO_GENERIC - select GENERIC_IRQ_CHIP + select GPIOLIB_IRQCHIP help Say Y or M here to build support for the Synopsys DesignWare APB GPIO block. @@ -397,7 +422,7 @@ config GPIO_MVEBU select REGMAP_MMIO config GPIO_MXC - def_bool y + tristate "i.MX GPIO support" depends on ARCH_MXC || COMPILE_TEST select GPIO_GENERIC select GENERIC_IRQ_CHIP |