> Yes. I agree. We will logical OR MII_ADDR_C45 into the address from PHY > drivers. Is there any standard property exist for non-ethernet-phy DRIVERS > to decide the whether PHY node support C45 or C22?
Why do you even need this in the device tree? If the driver needs to access a register > 31, it knows it must use C45. If it is less than 32, it can use either C22 or C45. Andrew