From: Sergei Shtylyov <[email protected]>

Define the Eagle board  dependent part of the EtherAVB device node.
Enable DHCP  and NFS root for the kernel booting.

Based  on the original (and large) patch by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <[email protected]>
Signed-off-by: Sergei Shtylyov <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
---
 arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts 
b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index a4d1d4f24675..a711e77cc6a5 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -18,10 +18,11 @@
 
        aliases {
                serial0 = &scif0;
+               ethernet0 = &avb;
        };
 
        chosen {
-               bootargs = "ignore_loglevel";
+               bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
                stdout-path = "serial0:115200n8";
        };
 
@@ -43,3 +44,14 @@
 &scif0 {
        status = "okay";
 };
+
+&avb {
+       renesas,no-ether-link;
+       phy-handle = <&phy0>;
+       status = "okay";
+
+       phy0: ethernet-phy@0 {
+               rxc-skew-ps = <1500>;
+               reg = <0>;
+       };
+};
-- 
2.11.0

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