ARM: shmobile: henninger: add Ether DT support

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

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 27 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index 0053f52bc969..f82f306c074d 100644
--- a/arch/arm/boot/dts/r8a7791-henninger.dts
+++ b/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -21,7 +21,7 @@
         };
 
         chosen {
-                bootargs = "console=ttySC0,38400 ignore_loglevel";
+                bootargs = "console=ttySC0,38400 ignore_loglevel rw root=/dev/nfs ip=dhcp";
         };
 
         memory@40000000 {
@@ -40,6 +40,16 @@
                 renesas,groups = "scif0_data_d";
                 renesas,function = "scif0";
         };
+
+        ether_pins: ether {
+                renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
+                renesas,function = "eth";
+        };
+
+        phy1_pins: phy1 {
+                renesas,groups = "intc_irq0";
+                renesas,function = "intc";
+        };
 };
 
 &scif0 {
@@ -48,3 +58,19 @@
 
         status = "okay";
 };
+
+&ether {
+        pinctrl-0 = <&ether_pins &phy1_pins>;
+        pinctrl-names = "default";
+
+        phy-handle = <&phy1>;
+        renesas,ether-link-active-low;
+        status = "ok";
+
+        phy1: ethernet-phy@1 {
+                reg = <1>;
+                interrupt-parent = <&irqc0>;
+                interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+                micrel,led-mode = <1>;
+        };
+};