Forum Discussion

Pragya's avatar
Pragya
Icon for New Contributor rankNew Contributor
1 year ago

Query regarding accessing marvell phy device (88e1111) through i2c

I'm using Stratix 10M board, we are trying to access marvell phy device 88e1111 through i2c. We want 100mbps SGMII with autoneg disabled. This is the sequence that I've tried : Write 2100 to reg 0 ...
Pragya's avatar
Pragya
Icon for New Contributor rankNew Contributor
1 year ago

We are using finisar 8251 part, there they have CONFIG6 bit hardwired to 100 to support i2c access. ANd also after writing to the registers, we are getting back the ack signal.