ptp_qoriq_auto_config(9)

✨ ptp_qoriq_auto_config ✨

okay so bestie, this is a page from the Kernel API Manual and it's literally all about ptp_qoriq_auto_config — the function that pulls a whole set of default configs out of thin air when nobody bothered to put them in the device tree 🎀

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🌸 NAME 🌸

ptp_qoriq_auto_config — calculate a set of default configurations 💅

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✨ SYNOPSIS ✨

int ptp_qoriq_auto_config (struct ptp_qoriq *ptp_qoriq , struct device_node *node );

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🦋 ARGUMENTS 🦋

• ptp_qoriq — pointer to ptp_qoriq, no cap, that's the whole vibe 🫶
• node — pointer to device_node, iconic, we love a node

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💖 DESCRIPTION 💖

so here's the tea ☕ — if the dts properties listed below are not provided, this function gets called to calculate a set of default configurations for them. it's giving "don't worry bestie, i got you" energy fr fr 😭

the properties in question, and yes you need all of them noted:

• "fsl,tclk-period"
• "fsl,tmr-prsc"
• "fsl,tmr-add"
• "fsl,tmr-fiper1"
• "fsl,tmr-fiper2"
• "fsl,tmr-fiper3" — required only for DPAA2 and ENETC hardware 👑
• "fsl,max-adj"

and it returns 0 if success ✨ that's it, that's the good ending, periodt.

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/ptp/ptp_qoriq.c
• ptp_qoriq_nominal_freq(9)

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and that's the whole page bestie, go off 💜 this lil masterpiece lives in ./drivers/ptp, dropped in October 2026, straight from the Kernel API Manual — slay, fr fr 🦋✨🎀