octeon_i2c_reg_write(9)

✨ octeon_i2c_reg_write(9) ✨

okay bestie, welcome to the Kernel API Manual corner of the group chat 💖 this one is short, iconic, and lowkey all about writing an I2C core register.

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🌸 NAME 🌸

octeon_i2c_reg_write — write an I2C core register. that's the whole vibe, no cap 💅

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🦋 SYNOPSIS 🦋

void octeon_i2c_reg_write (struct octeon_i2c *i2c , u64 eop_reg , u8
data );

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💜 ARGUMENTS 💜

• i2c — the struct octeon_i2c bestie in question 🫶
• eop_reg — register selector, aka which register we're picking 🎀
• data — the value to be written ✨

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🎀 DESCRIPTION 🎀

okay so here's the tea: the I2C core registers are accessed indirectly via the OCTEON_REG_SW_TWSI CSR. that's it. that's the whole indirect-access situation, fr fr 🌈

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/i2c/busses/i2c-octeon-core.h 📁
• octeon_i2c_reg_read(9)
• octeon_i2c_read_int(9)
• octeon_i2c_write_int(9)
• octeon_i2c_is_otx2(9)

go read these too, iykyk 👑

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mwah 💋 source/version: ./drivers/i2c/busses, dated October 2026, page: octeon_i2c_reg_write(9) — periodt 💖