BYTGPIO(4)

💖 BYTGPIO 💖

okay so bestie, this is the manual for bytgpio — the Intel Bay Trail SoC GPIO controller driver. yes it's a kernel interfaces manual, yes it's from BYTGPIO(4), and yes we're gonna get through it together 🫶

✨ NAME ✨

bytgpio — Intel Bay Trail SoC GPIO controller, aka the little guy that handles all your pins 💅

🌸 SYNOPSIS 🌸

device gpio
device bytgpio

that's it. two lines. iconic behavior honestly ✨

🦋 DESCRIPTION 🦋

So. The bytgpio is a driver for the GPIO controller that lives inside Intel's Bay Trail SoC family. She's in there, doing her thing 🎀

The Bay Trail SoC has three banks of GPIO pins, and they're exposed to userland as /dev/gpiocN, where N is 0, 1, and 2. Three banks, three device nodes, no cap.

And the pins in each bank? They come pre-named to match the names on boards schematics, which is genuinely so thoughtful of them:

• GPIO_S0_SCnn
• GPIO_S0_NCnn
• GPIO_S5_nn

like they really said "here's your naming convention, you're welcome" 💖

👑 SEE ALSO 👑

• gpio(3)
• gpio(4)
• gpioctl(8)

go read those too, fr fr 📚

🌈 HISTORY 🌈

The bytgpio manual page first appeared in FreeBSD 11.1. a little legend was born ✨

🎀 AUTHORS 🎀

This driver and this man page were written by Oleksandr Tymoshenko <gonzo@FreeBSD.org>. absolute main character energy, we love to see it 👑

aaaand that's the whole page bestie, you ate that 💅

this edition came from Debian, dated May 9, 2017 — mwah, go forth and poke some pins 🌸🦋💖