i2c_dw_init(9)

🌸 NAME 🌸

i2c_dw_init(9) — “Initialize the DesignWare I2C hardware,” straight out of the Kernel API Manual. This is the function that sets up the DesignWare I2C hardware so it can do its main-character thing. ✨

✨ SYNOPSIS ✨

int i2c_dw_init (struct dw_i2c_dev *dev );

🎀 ARGUMENTS 🎀

• dev — device private data. That’s the whole argument, bestie — just hand over the private data and let the function cook. 💅

🦋 DESCRIPTION 🦋

Okay so this function configures and enables the DesigWare I2C hardware. Yep, that spelling is straight from the original description and I’m keeping it exactly — details are sacred around here. 💖 It’s the setup-and-enable pass for the hardware, periodt.

🔥 RETURN 🔥

• 0 on success — slay. ✅
• negative errno otherwise — not slay, but at least it tells you something went wrong. 😭

🌈 SEE ALSO 🌈

• Kernel file ./drivers/i2c/busses/i2c-designware-common.c — the source file, bestie. Go read it if you want the deep lore. 👀
• i2c_dw_init_regmap(9) — sibling function, iconic.
• i2c_dw_set_mode(9) — another sibling, also iconic.

Okay that’s the whole page, no cap. 🫶 This one is from the Kernel API Manual, source path ./drivers/i2c/busses, dated October 2026. i2c_dw_init(9) out — bye bestie! 💖✨