:orphan:

.. title:: choice: Core clock to SPI flash clock ratio

.. _choice_81:

.. describe:: choice: Core clock to SPI flash clock ratio

*Core clock to SPI flash clock ratio*

Type: ``bool``

Help
====

.. code-block:: none

    This sets the clock ratio (core clock / SPI clock)

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

\ :option:`NPCX_HEADER <CONFIG_NPCX_HEADER>` && \ :option:`SOC_FAMILY_NPCX <CONFIG_SOC_FAMILY_NPCX>`

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

Default
=======

- \ :option:`NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1 <CONFIG_NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1>`

Choice options
==============

- \ :option:`NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1 <CONFIG_NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1>`
- \ :option:`NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_2 <CONFIG_NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_2>`

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



At ``<Zephyr SoC>/arm/nuvoton_npcx/Kconfig:86``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:28`` → ``<Zephyr SoC>/Kconfig:11`` → ``<BuildDir>/kconfig/Kconfig.soc.arch:2``

Menu path: (Top) → Hardware Configuration → Enable the output binary with NPCX binary header

.. code-block:: kconfig

    choice
    	bool "Core clock to SPI flash clock ratio"
    	default NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1
    	depends on NPCX_HEADER && SOC_FAMILY_NPCX
    	help
    	  This sets the clock ratio (core clock / SPI clock)

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