ENUM SSP_DUPLEX(9)

🦋 enum ssp_duplex(9) — Kernel API Manual 🦋

✨ NAME ✨

okay so enum ssp_duplex is literally the vibe check for whether we’re doing Full/Half Duplex on microwire — and bestie, it’s only available in the ST Micro variant. 💅

🌈 SYNOPSIS 🌈

enum ssp_duplex {
    SSP_MICROWIRE_CHANNEL_FULL_DUPLEX ,
    SSP_MICROWIRE_CHANNEL_HALF_DUPLEX

};

🎀 Constants 🎀

• SSP_MICROWIRE_CHANNEL_FULL_DUPLEX — SSPTXD becomes bi-directional, and SSPRXD is not used. 🔥
• SSP_MICROWIRE_CHANNEL_HALF_DUPLEX — SSPTXD is an output, and SSPRXD is an input. 🫶

💖 SEE ALSO 💖

Kernel file ./include/linux/amba/pl022.h — plus the whole enum squad:

• enum ssp_interface(9)
• enum ssp_hierarchy(9)
• enum ssp_rx_endian(9)
• enum ssp_tx_endian(9)
• enum ssp_data_size(9)
• enum ssp_mode(9)
• enum ssp_rx_level_trig(9)
• enum ssp_clkdelay(9)

like, go read those too, iykyk 🌸

Catch you in ./include/linux/amba, October 2026 — mwah 💋 that’s the source/version and date, bestie, no cap.