Hi Jacopo, On Thursday, September 14, 2017 1, linux-renesas-soc-owner@xxxxxxxxxxxxxxx wrote: > Before going any further with this, I would like to better understand > if: > > 1) is an interrupt signal from PHY to ETHER mandatory? There is no > mention of in the ETHER pin description list of an interrupt pin, and > my understanding was the E-DMAC does not need any. > 2) where is that interrupt pin described in dts for genmai and other > RZ devices? I've never used that PHY interrupt pin on the RZ/A board. In fact, on some board, it's tied to a GPIO pin (not even an interrupt pin). I guess in theory it could tell you when the cable has been connected/disconnected, but it does that now anyway (meaning the PHY must be polled somehow). Chris
