From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

commit 8a8c81aa605cec4a086bd46a9b9214b9671f8f42 upstream.

Enable Ethernet AVB on iWave RZ/G1H carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1590420129-7531-4-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index 1f5c35c66d91..8ce82ad3d946 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -14,6 +14,7 @@
 
 	aliases {
 		serial2 = &scifa2;
+		ethernet0 = &avb;
 	};
 
 	chosen {
@@ -22,7 +23,27 @@
 	};
 };
 
+&avb {
+	pinctrl-0 = <&avb_pins>;
+	pinctrl-names = "default";
+
+	phy-handle = <&phy3>;
+	phy-mode = "gmii";
+	renesas,no-ether-link;
+	status = "okay";
+
+	phy3: ethernet-phy@3 {
+		reg = <3>;
+		micrel,led-mode = <1>;
+	};
+};
+
 &pfc {
+	avb_pins: avb {
+		groups = "avb_mdio", "avb_gmii";
+		function = "avb";
+	};
+
 	scifa2_pins: scifa2 {
 		groups = "scifa2_data_c";
 		function = "scifa2";
-- 
2.17.1