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[esp32_touch] Add ESP32-P4 support, document voltage_attenuation as ESP32-only#6104

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[esp32_touch] Add ESP32-P4 support, document voltage_attenuation as ESP32-only#6104
swoboda1337 wants to merge 2 commits intoesphome:nextfrom
swoboda1337:esp32_touch_p4_docs

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@swoboda1337 swoboda1337 commented Feb 17, 2026

Description

Update esp32_touch documentation to reflect the driver migration in esphome/esphome#14033:

  • Add ESP32-P4 as a supported processor throughout
  • Add ESP32-P4 pin table (GPIO2 - GPIO15)
  • Document voltage_attenuation as ESP32 V1 only (properly supported via the new combined high voltage enum)
  • Move low_voltage_reference and high_voltage_reference under an "ESP32, ESP32-S2 and ESP32-S3 only" heading (not available on P4)
  • Note that filter/waterproof options now also apply to ESP32-P4
  • Note that denoise is ESP32-S2/S3 only (not available on P4)
  • Note that IIR_256 filter mode is S2/S3 only
  • Update S2/S3 variants section to include P4

Related issue (if applicable): N/A

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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voltage_attenuation is now properly supported by the new unified driver
on ESP32 V1, not deprecated.

Co-Authored-By: Claude Opus 4.6 <[email protected]>
@swoboda1337 swoboda1337 changed the title [esp32_touch] Add ESP32-P4 support, deprecate voltage_attenuation [esp32_touch] Add ESP32-P4 support, document voltage_attenuation as ESP32-only Feb 18, 2026
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