ARM: dts: iwg22d-sodimm: Add Ethernet AVB support

Define the iWave RainboW-G22D board dependent part of the Ethernet
AVB device node.

On some older versions of the platform (before R4.0) the phy address
may be 1 or 3. The address is fixed to 3 for R4.0 onwards (which
will be the first mainstream release), hence using 3 in the dts.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 442a5cb..aac84c6 100644 (file)
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -17,9 +17,11 @@
 
        aliases {
                serial0 = &scif4;
+               ethernet0 = &avb;
        };
 
        chosen {
+               bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
                stdout-path = "serial0:115200n8";
        };
 };
@@ -29,6 +31,11 @@
                groups = "scif4_data_b";
                function = "scif4";
        };
+
+       avb_pins: avb {
+               groups = "avb_mdio", "avb_gmii";
+               function = "avb";
+       };
 };
 
 &scif4 {
@@ -37,3 +44,22 @@
 
        status = "okay";
 };
+
+&avb {
+       pinctrl-0 = <&avb_pins>;
+       pinctrl-names = "default";
+
+       phy-handle = <&phy3>;
+       phy-mode = "gmii";
+       renesas,no-ether-link;
+       status = "okay";
+
+       phy3: ethernet-phy@3 {
+       /*
+        * On some older versions of the platform (before R4.0) the phy address
+        * may be 1 or 3. The address is fixed to 3 for R4.0 onwards.
+        */
+               reg = <3>;
+               micrel,led-mode = <1>;
+       };
+};