Help¶

User can config it based on hardware design. For ESP32-D2WD chip, the psram can only be 1.8V psram,
so this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17.

Direct dependencies¶

ESP_SPIRAM && SOC_ESP32 && <choice: SoC/CPU/Configuration Selection>

(Includes any dependencies from ifs and menus.)

Default¶

9

Kconfig definition¶

At <Zephyr>/soc/xtensa/esp32/Kconfig.soc:132

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:28 → <Zephyr>/soc/Kconfig:6 → <BuildDir>/kconfig/Kconfig.soc:1

Menu path: (Top) → SoC/CPU/Configuration Selection → ESP32 → Support for external, SPI-connected RAM → SPI RAM config → PSRAM clock and cs IO for ESP32-D2WD

config D2WD_PSRAM_CLK_IO
    int "PSRAM CLK IO number"
    range 0 33
    default 9
    depends on ESP_SPIRAM && SOC_ESP32 && <choice>
    help
      User can config it based on hardware design. For ESP32-D2WD chip, the psram can only be 1.8V psram,
      so this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)