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Linux/DP83TC811S-Q1: DP83TC811S-Q1 driver porting bring up issue
Part Number: DP83TC811S-Q1
I find that the DP83TC811S-Q1 0x13 register bit14 is 1, that means overvoltage event, how to solve
EFL (Ethernet & FPD Link) Applications Engineer
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In reply to Rob Rodrigues:
I write the 0x13 as 0x0000, but when I read 0x13, it always display 0x4000, it means overvoltage. But I have disabled the overvoltage interrupt, why?
mdiobus_write(regnum=0x13, val=0x0000)=0 //write
mdiobus_read( regnum=0x13)=0x4000 //read
In reply to user3870325:
How to switch DP83TC811S-Q1 master and slave mode？please help to give correct methods to switch master and slave mode
I also see some people used those method as belows: but I do not know why do this?
master: echo 0xd 0x1 > /sys/class/net/eth0/device/phy_regnum echo 0xe 0x0834 > /sys/class/net/eth0/device/phy_regnum echo 0xd 0x4001 > /sys/class/net/eth0/device/phy_regnum echo 0xe 0xc000> /sys/class/net/eth0/device/phy_regnum ;; slave: echo 0xd 0x1 > /sys/class/net/eth0/device/phy_regnum echo 0xe 0x0834 > /sys/class/net/eth0/device/phy_regnum echo 0xd 0x4001 > /sys/class/net/eth0/device/phy_regnum echo 0xe 0x8000> /sys/class/net/eth0/device/phy_regnum
I understand. Thanks for your reply.
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