PCHGPIO(4)

💅 PCHGPIO(4) — like, the Intel PCH GPIO controller era

okay so first things first, bestie: this is a page from the Kernel Interfaces Manual, section 4, and the star of the show is PCHGPIO(4). yes the title is in all caps, it's giving very "I'm on the cover of a manual" energy, we love that for it. 🎀

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✨ NAME ✨

pchgpio — the Intel PCH GPIO controller, aka the little chip-handler that could 🦋

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✨ SYNOPSIS ✨

pchgpio* at acpi?

literally that's it, that's the whole vibe check. one line. iconic. 👑

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✨ DESCRIPTION ✨

so the pchgpio driver is out here providing support for the GPIO controllers you'll find on Intel PCHs. 🧚 that's its whole thing, and honestly? it ate. 🔥

here's the tea though: it does not provide any direct device driver entry points. nope, not a single one. instead it just makes its functions available to acpi(4) — like a bestie who doesn't want the spotlight but absolutely carries the group project. 🫶 lowkey selfless of it, ngl.

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✨ SEE ALSO ✨

go check out its friends, they're all linked in the group chat 💬

• acpi(4)
• intro(4)

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✨ HISTORY ✨

the pchgpio driver first appeared in OpenBSD 6.9 — so it's been around a minute. a little vintage moment, honestly, we stan a seasoned icon 🌸

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✨ AUTHORS ✨

this whole thing was written by Mark Kettenis <kettenis@openbsd.org> and James Hastings — shoutout to the main characters who made it happen 👑💖

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fr fr, this page is short but it's complete, no cap. tiny page, huge main character energy. 💅

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and that's a wrap, bestie! 🎀 this cutie comes to you from Debian, dated November 15, 2020 — mwah, slay, periodt. 💜🌈