arm64: dts: renesas: eagle: add EtherAVB support
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 <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index a4d1d4f..a711e77 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>;
+ };
+};