Hi Andrew, 
 
>> Use a phy-handle in the port properties.
Thanks !!

John

On 2018/12/21 4:56, Andrew Lunn wrote:
> On Thu, Dec 20, 2018 at 08:26:56PM -0500, John Rama wrote:
>> Hi, Guys, 
>>
>> I have one question. I'm working following configuration, and implementing a 
>> device driver.
>> Basically, port 1-7 is working fine. I'm now having problem on port8.
>>
>> - System                                                       
>>   - i.MX6 and Marvel 88q5050 Switch(PHY addr is 0x10)          
>>   - port1-5 has integrated PHY
>>   - port7 is connected to Marvel 88e1510 PHY(PHY addr is 0x1)  
>>   - port8 is connected to Marvel 88e1510 PHY(PHY addr is 0x0), 
>>     but it's the slave of MDIO bus whose master is the switch. 
>>                                                                
>>                            0x10                                
>>     +------------+         +-----------------+                 
>>     |            |         | Marvel 88q5050  |                 
>>     |            | RGMII   |           port1 |                 
>>     |   IMX6     +---------+ port6           |                 
>>     |            |         |           port2 |                 
>>     |            | MDIO    |                 |                 
>>     |            +-+-------+           port3 |                 
>>     |            | |       |                 |                 
>>     +------------+ |       |           port4 |                 
>>                    |       |                 |                 
>>                  +-+-+     |           port5 |     +---+       
>>                  |   |SGMII|                 |RGMII|   |       
>>                  |PHY|-----| port7     port8 +-----+PHY+       
>>                  |   |     |                 |MDIO |   |       
>>                  +---+     |                 +-----+   |       
>>             Marvel 88e1510 +-----------------+     +---+       
>>                  0x1                           Marvel 88e1510  
>>                                                     0x0        
>>
>> - Question
>> In the system above, how should we tell DSA driver the PHY address of the 
>> PHY which is connected to port8 ?
> 
> Hi John
> 
> Use a phy-handle in the port properties.
> 
>     Andrew
> 

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