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Enable MDIO Clause 45 operations for ADIN6310

Thread Summary

The user inquired about enabling Clause 45 commands on the EVAL-ADIN6310 to manage Marvell 88Q2221 Automotive Ethernet PHYs. The final answer states that ADI does not plan to add Clause 45 support for non-ADI PHYs and suggests using Clause 22 commands to indirectly access the Clause 45 registers.
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Category: Software
Product Number: ADIN6310
Software Version: ADIN6310 TSN Driver Library Rev. 5.1.0-GA

Hi ADI,

We are trying to use an ADIN6310 (EVAL-ADIN6310) together with Marvell 88Q2221 Automotive Ethernet PHY that only supports Clause 45 commands for MDIO access.

From the documentation it only follows that using concatenated device and register address in SES_ReadPhyReg() ADIN6310 enables C45 register space access using four C22 operations, which we observe on the EVAL-ADIN6310.

Is it possible to enable Clause 45 commands to manage Marvell 88Q222X PHYs?

Best regards,

Vladimir

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