Help¶

This is a driver for accessing a simple, fixed purpose, 32-bit memory-mapped i/o register using the same APIs as GPIO drivers. This is useful when an SoC or board has registers that aren’t part of a GPIO IP block and these registers are used to control things that Zephyr normally expects to be specified using a GPIO pin, e.g. for driving an LED, or chip-select line for an SPI device.

Direct dependencies¶

GPIO

(Includes any dependencies from ifs and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Symbols that select this symbol¶

SOC_SERIES_MPS2

Kconfig definition¶

At <Zephyr>/drivers/gpio/Kconfig.mmio32:4

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:32 → <Zephyr>/drivers/Kconfig:34 → <Zephyr>/drivers/gpio/Kconfig:36

Menu path: (Top) → Device Drivers → GPIO Drivers

config GPIO_MMIO32
    bool
    depends on GPIO
    help
      This is a driver for accessing a simple, fixed purpose, 32-bit
      memory-mapped i/o register using the same APIs as GPIO drivers. This
      is useful when an SoC or board has registers that aren't part of a
      GPIO IP block and these registers are used to control things that
      Zephyr normally expects to be specified using a GPIO pin, e.g. for
      driving an LED, or chip-select line for an SPI device.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)