:orphan:

.. title:: SPI_FLASH_AT45

.. option:: CONFIG_SPI_FLASH_AT45

*AT45 family flash driver*

Type: ``bool``

Help
====

This driver can handle several instances of AT45 family chips that
are enabled by specifying devicetree nodes with the "compatible"
property set to "atmel,at45" and other required properties like
JEDEC ID, chip capacity, block and page size etc. configured
accordingly.

The driver is only capable of using "power of 2" binary page sizes
in those chips and at initialization configures them to work in
that mode (unless it is already done).

Direct dependencies
===================

\ :option:`SPI <CONFIG_SPI>` && \ :option:`FLASH <CONFIG_FLASH>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Symbols selected by this symbol
===============================

- \ :option:`FLASH_HAS_DRIVER_ENABLED <CONFIG_FLASH_HAS_DRIVER_ENABLED>`
- \ :option:`FLASH_HAS_PAGE_LAYOUT <CONFIG_FLASH_HAS_PAGE_LAYOUT>`

Kconfig definition
==================

.. highlight:: kconfig

At ``drivers/flash/Kconfig.at45:4``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:60`` → ``drivers/flash/Kconfig:61``

Menu path: (Top) → Device Drivers → Flash hardware support

.. parsed-literal::

    menuconfig SPI_FLASH_AT45
    	bool "AT45 family flash driver"
    	select \ :option:`FLASH_HAS_DRIVER_ENABLED <CONFIG_FLASH_HAS_DRIVER_ENABLED>`
    	select \ :option:`FLASH_HAS_PAGE_LAYOUT <CONFIG_FLASH_HAS_PAGE_LAYOUT>`
    	depends on \ :option:`SPI <CONFIG_SPI>` && \ :option:`FLASH <CONFIG_FLASH>`
    	help
    	  This driver can handle several instances of AT45 family chips that
    	  are enabled by specifying devicetree nodes with the "compatible"
    	  property set to "atmel,at45" and other required properties like
    	  JEDEC ID, chip capacity, block and page size etc. configured
    	  accordingly.
	  
    	  The driver is only capable of using "power of 2" binary page sizes
    	  in those chips and at initialization configures them to work in
    	  that mode (unless it is already done).

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*