On Sat, 2019-05-11 at 19:16 +0200, Martin Blumenstingl wrote: > Hi Kevin, > > On Sat, May 11, 2019 at 12:45 AM Kevin Hilman <khilman@xxxxxxxxxxxx> wrote: > > Jerome Brunet <jbrunet@xxxxxxxxxxxx> writes: > > > > > Enable the network interface of the SEI510 which use the internal PHY. > > > > > > Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> > > > > I tried testing this series on SEI510, but I must still be missing some > > defconfig options, as the default defconfig doesn't lead to a working > > interface. > > > > > > I tried adding this kconfig fragment[1], and the dwmac probes/inits but > > I must still be missing something, as the dwmac is still failing to find > > a PHY. Boot log: https://termbin.com/ivf3 > > > > I have the same result testing on the u200. > I wonder if we're simply missing the pinctrl definitions in the ethmac node: > pinctrl-0 = <ð_rmii_pins>; > pinctrl-names = "default"; > > I don't know how the SoC works internally but I am assuming that the > MDIO pins are routed to the "internal PHY" (within the chip). > also we need the eth_rmii_pins anyways for the RXD/TXD pins which are > connected to the physical Ethernet port on the board. > bonus question: while writing this email I'm surprised to see that on > GXL we don't use the rmii pins anywhere, why is Ethernet working fine > there? AFAIK, the pinmux is for the external pad Martin The internal phy does not use those pads. > > > Martin
