Add FEC support for Engicam i.CoreM6 dql modules.
Observed similar 'eth0: link is not ready' issue which was
discussed in [1] due rmii mode with external ref_clk, so added
clock node along with the properties mentioned by Shawn in [2]
FEC link log:
------------
$ ifconfig eth0 up
[ 27.905187] SMSC LAN8710/LAN8720 2188000.ethernet:00: attached PHY driver
[SMSC LAN8710/LAN8720] (mii_bus:phy_addr=2188000.ethernet:00, irq=-1)
[ 27.918982] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[1] https://patchwork.kernel.org/patch/3491061/
[2] https://patchwork.kernel.org/patch/3490511/
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
i.CoreM6 Quad/Dual modules are system on module solutions manufactured
by Engicam with following characteristics:
CPU NXP i.MX6 DQ, 800MHz
RAM 1GB, 32, 64 bit, DDR3-800/1066
NAND SLC,512MB
Power supply Single 5V
MAX LCD RES FULLHD
and more info at
http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Jagan Teki