:orphan:

.. title:: CONFIG_DEFAULT_PSRAM_CLK_IO

.. kconfig:: CONFIG_DEFAULT_PSRAM_CLK_IO

CONFIG_DEFAULT_PSRAM_CLK_IO
###########################

*PSRAM CLK IO number*

Type: ``int``

Help
====

.. code-block:: none

    The PSRAM CLOCK IO can be any unused GPIO, user can config
    it based on hardware design.

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

\ :kconfig:`ESP_SPIRAM <CONFIG_ESP_SPIRAM>` && \ :kconfig:`ESP_SPIRAM <CONFIG_ESP_SPIRAM>` && \ :kconfig:`SOC_ESP32S2 <CONFIG_SOC_ESP32S2>` && \ :ref:`<choice: SoC/CPU/Configuration Selection> <choice_45>`

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

Default
=======

- 30

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



At ``<SoC>/xtensa/esp32s2/Kconfig.soc:132``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:38`` → ``<SoC>/Kconfig:9``

Menu path: (Top) → SoC/CPU/Configuration Selection → ESP32S2 → Support for external, SPI-connected RAM → SPI RAM config → PSRAM clock and cs IO for ESP32S2

.. code-block:: kconfig

    config DEFAULT_PSRAM_CLK_IO
    	int "PSRAM CLK IO number"
    	range 0 33
    	default 30
    	depends on ESP_SPIRAM && ESP_SPIRAM && SOC_ESP32S2 && <choice>
    	help
    	  The PSRAM CLOCK IO can be any unused GPIO, user can config
    	  it based on hardware design.

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