IMXESDHC(4)

🎀 imxesdhc(4) 🎀

okay bestie, welcome to the Kernel Interfaces Manual 💖 this is the page for imxesdhc(4), and it's literally about the i.MX SD host controller. ngl, if you're on i.MX silicon this is lowkey essential. let's go 🫶

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🌸 NAME 🌸

imxesdhc — the i.MX SD host controller. that's the whole name, no cap. it's giving "built into the chip" energy. 💅

✨ SYNOPSIS ✨

the kernel config setup is highkey exactly this, bestie — copy it character for character:

imxesdhc* at fdt?
sdmmc* at imxesdhc?

💅 DESCRIPTION 💅

okay so the imxesdhc driver provides support for the MMC/SD/SDIO controller integrated in i.MX 6, i.MX 7 and i.MX 8 processors. it's literally the support squad for that controller. periodt 💅

and the sdmmc(4) subsystem is the main character performing the SD/MMC transactions — it communicates with MMC, SD, SDHC, or SDIO devices inserted into the SD slot. the way that whole stack talks to your card is iconic, fr fr 🦋

🔗 SEE ALSO 🔗

go give these a read, bestie — they're in the same group chat:

• intro(4)
• sdmmc(4)

iykyk 💜 and yes, I'm obsessed with a good cross-reference.

🕰️ HISTORY 🕰️

the imxesdhc driver first appeared in OpenBSD 5.5. that's the lore, and it ate. periodt ✨

👑 AUTHORS 👑

the imxesdhc driver was written by Patrick Wildt <patrick@blueri.se>. iconic author behavior 👑💖 not me being normal about a kernel driver credit, impossible.

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okay that's the whole vibe check 🫶 this page is from Debian, dated May 28, 2021, and the manual tag is IMXESDHC(4). slay, bye bestie 💅✨