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[esp32] Document sram1_as_iram option#6294

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esp32-sram1-as-iram
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[esp32] Document sram1_as_iram option#6294
bdraco wants to merge 1 commit intonextfrom
esp32-sram1-as-iram

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@bdraco bdraco commented Mar 17, 2026

Description

Document the new sram1_as_iram advanced option for the original ESP32, which enables
CONFIG_ESP_SYSTEM_ESP32_SRAM1_REGION_AS_IRAM to reclaim 40KB of SRAM1 as additional IRAM.

Pull request in esphome with YAML changes (if applicable):

Checklist

  • I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
    or

  • I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  • Link added in /src/content/docs/components/index.mdx when creating new documents for new components or cookbook.

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@bdraco bdraco force-pushed the esp32-sram1-as-iram branch from fc39ae2 to 5025eba Compare March 17, 2026 01:19
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