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Tab5 power expander driver and devicetree parsing improvements (#507)

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* **New Features**
  * PI4IOE5V6408 I2C I/O expander driver with public GPIO APIs
  * CLI tool to list devicetree dependencies

* **Device Tree Updates**
  * M5Stack Tab5 configured with two I2C IO expanders; PI4IOE5V6408 binding added

* **Build / Tooling**
  * Devicetree code generation integrated into build; generated artifacts and dynamic dependency resolution exposed

* **Refactor**
  * Kernel/run APIs updated to accept a null‑terminated devicetree modules array; many module symbols renamed

* **Documentation**
  * Added README and Apache‑2.0 license for new driver module
This commit is contained in:
Ken Van Hoeylandt
2026-02-17 22:59:30 +01:00
committed by GitHub
parent f0f764baff
commit d2048e01b6
82 changed files with 749 additions and 253 deletions
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Drivers/pi4ioe5v6408-module/README.md
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# PI4IOE5V6408 I/O expander
A driver for the `PI4IOE5V6408` low-voltage translating 8-bit I2C-bus I/O expander by Diodes Incorporated.
See https://www.diodes.com/part/view/PI4IOE5V6408
And: https://www.digikey.com/htmldatasheets/production/3031904/0/0/1/pi4ioe5v6408.html
License: [Apache v2.0](LICENSE-Apache-2.0.md)