What happened with the cadence qspi driver in linux kernel 4 ?

Hi everybody!!

I'm writting my own dts file and didnt find the docu (dts-bindings and driver) for the qspi cadence IP!

Who knows what happend with the qspi cadence driver in kernel 4.0.0? (drivers/spi/spi-cadence-qspi.c)

where is it!?:confused: its gone!

bye!