:orphan:

.. title:: CONFIG_ETH_MCUX_RMII_EXT_CLK

.. kconfig:: CONFIG_ETH_MCUX_RMII_EXT_CLK

CONFIG_ETH_MCUX_RMII_EXT_CLK
############################

*Enable RMII clock from external sources*

Type: ``bool``

Help
====

.. code-block:: none

    Setting this option will configure MCUX clock block to feed RMII
    reference clock from external source (ENET_1588_CLKIN)

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

(\ :kconfig:`NETWORKING <CONFIG_NETWORKING>` && \ :kconfig:`BOARD_IP_K66F <CONFIG_BOARD_IP_K66F>`) || (\ :kconfig:`ETH_MCUX <CONFIG_ETH_MCUX>` && \ :kconfig:`NET_L2_ETHERNET <CONFIG_NET_L2_ETHERNET>`)

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

Default
=======

- y if \ :kconfig:`ETH_MCUX <CONFIG_ETH_MCUX>`

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



At ``<Boards>/arm/ip_k66f/Kconfig.defconfig:31``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config ETH_MCUX_RMII_EXT_CLK
    	bool
    	default y if ETH_MCUX
    	depends on NETWORKING && BOARD_IP_K66F

----

At ``<Driver>/ethernet/Kconfig.mcux:25``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:42`` → ``<Driver>/Kconfig:20`` → ``<Driver>/ethernet/Kconfig:49``

Menu path: (Top) → Device Drivers → Ethernet Drivers → MCUX Ethernet driver

.. code-block:: kconfig

    config ETH_MCUX_RMII_EXT_CLK
    	bool "Enable RMII clock from external sources"
    	depends on ETH_MCUX && NET_L2_ETHERNET
    	help
    	  Setting this option will configure MCUX clock block to feed RMII
    	  reference clock from external source (ENET_1588_CLKIN)

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