QSFP Driver for Hard Processor System¶
Last updated: January 28, 2025
Upstream Status: Not Upstreamed
Devices supported: Agilex 7
Introduction¶
The QSFP driver is responsible for interacting with the onboard QSFP module. It reads the QSFP Serial Electrically Erasable Programmable Read-Only Memory (SEEP) and controls the power and interrupt pins of the QSFP.
Driver Sources¶
The source code for this driver can be found at https://github.com/altera-opensource/linux-socfpga/blob/socfpga-5.15.90-lts-ftile-1588ptp/drivers/net/phy/qsfp.c.
Driver Capabilities¶
- Registers QSFP driver to kernel.
- Reads the registers through the I2C bus and provide information to high level software stack.
Kernel Configurations¶
CONFIG_QSFP
Device Tree¶
Example Device tree location:
Known Issues¶
None known
Example Designs¶
This driver is used in the Agilex 7 SoC F-Tile Design Example for 25GbE and 10GbE with IEEE1588PTP.
Notices & Disclaimers¶
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Created: May 25, 2024