boards: add option to disable SPI Flash MTD automatic bringup on Espressif devices#18551
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xiaoxiang781216 merged 2 commits intoapache:masterfrom Mar 18, 2026
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The ESPRESSIF_SPIFLASH_AUTO_BRINGUP option allows disabling automatic bringup. This causes /dev/mtdblock0 to show up instead of always mounting a file system. Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
The ESP32*_SPIFLASH_AUTO_BRINGUP option allows disabling automatic bringup. This causes /dev/mtdblock0 to show up instead of always mounting a file system. Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
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Summary
The ESP32*_SPIFLASH_AUTO_BRINGUP option allows disabling automatic bringup.
This causes /dev/mtdblock0 to show up instead of always mounting a file system.
The ESPRESSIF_SPIFLASH_AUTO_BRINGUP option allows disabling automatic bringup.
This causes /dev/mtdblock0 to show up instead of always mounting a file system.
This PR adds a Kconfig option to facilitate enabling or disabling automatic SPI Flash mounting during board bringup.
Impact
Impact on user: No.
Impact on build: No.
Impact on hardware: Only affects Espressif RISC-V and Xtensa devices.
Impact on documentation: NO.
Impact on security: No.
Impact on compatibility: No.
Testing
Building
Tested on internal CI and ran
refresh.shscript.Running
Tested on all SoCs with
ostestandspiflash.All builds succeed and tests passing.
To validate, build: