:orphan:

.. title:: SPI_DW_FIFO_DEPTH

.. option:: CONFIG_SPI_DW_FIFO_DEPTH

*RX and TX FIFO Depth*

Type: ``int``

Help
====

.. code-block:: none

    Corresponds to the SSI_TX_FIFO_DEPTH and
    SSI_RX_FIFO_DEPTH of the DesignWare Synchronous
    Serial Interface. Depth ranges from 2-256.

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

(\ :option:`SPI_DW <CONFIG_SPI_DW>` && \ :option:`SPI <CONFIG_SPI>` && \ :option:`BOARD_EM_STARTERKIT <CONFIG_BOARD_EM_STARTERKIT>`) || (\ :option:`SPI_DW <CONFIG_SPI_DW>` && \ :option:`SPI <CONFIG_SPI>` && \ :option:`BOARD_HSDK <CONFIG_BOARD_HSDK>`) || \ :option:`SOC_INTEL_S1000 <CONFIG_SOC_INTEL_S1000>` || (\ :option:`SPI_DW <CONFIG_SPI_DW>` && \ :option:`SPI <CONFIG_SPI>`)

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

Defaults
========

- 32
- 32
- 32

Kconfig definitions
===================



At ``<Zephyr Boards>/arc/em_starterkit/Kconfig.defconfig:56``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. code-block:: kconfig

    config SPI_DW_FIFO_DEPTH
    	int
    	default 32
    	depends on SPI_DW && SPI && BOARD_EM_STARTERKIT

----

At ``<Zephyr Boards>/arc/hsdk/Kconfig.defconfig:33``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. code-block:: kconfig

    config SPI_DW_FIFO_DEPTH
    	int
    	default 32
    	depends on SPI_DW && SPI && BOARD_HSDK

----

At ``<Zephyr SoC>/xtensa/intel_s1000/Kconfig.defconfig:27``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:19`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. code-block:: kconfig

    config SPI_DW_FIFO_DEPTH
    	int
    	default 32
    	depends on SOC_INTEL_S1000

----

At ``<Zephyr Driver>/spi/Kconfig.dw:28``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``<Zephyr Driver>/Kconfig:38`` → ``<Zephyr Driver>/spi/Kconfig:40``

Menu path: (Top) → Device Drivers → SPI hardware bus support → Designware SPI controller driver

.. code-block:: kconfig

    config SPI_DW_FIFO_DEPTH
    	int "RX and TX FIFO Depth"
    	depends on SPI_DW && SPI
    	help
    	  Corresponds to the SSI_TX_FIFO_DEPTH and
    	  SSI_RX_FIFO_DEPTH of the DesignWare Synchronous
    	  Serial Interface. Depth ranges from 2-256.

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