How to get flash address on dts?

[Mori Hiroki]

Hi

I modify forked Ralink WiFi driver.

I want get eeprom data offset in flash.

For example. 

https://github.com/yamori813/freebsd/blob/zrouter/sys/dts/mips/WN-G300DGR.dts


I want get "ralink,mtd-eeprom" value at wmac that is 0x1f040000.

How to get in driver ?

If you have suggestion, pelase let me know.

Thanks.

Hiroki Mori