sunxi: A64: add device tree changes for A64 Ethernet

This adds the device tree changes needed to make the GMAC stmmac driver
working for the Allwinner A64 SoCs.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 38 insertions, 0 deletions

diff --git a/target/linux/sunxi/patches-4.9/0063-arm64-allwinner-pine64-plus-Enable-dwmac-sun8i.patch b/target/linux/sunxi/patches-4.9/0063-arm64-allwinner-pine64-plus-Enable-dwmac-sun8i.patch
new file mode 100644
index 0000000000..f89b842790
--- /dev/null
+++ b/target/linux/sunxi/patches-4.9/0063-arm64-allwinner-pine64-plus-Enable-dwmac-sun8i.patch
@@ -0,0 +1,38 @@
+From 94dcfdc77fc55ed1956011ceea341911c6e760a0 Mon Sep 17 00:00:00 2001
+From: Corentin Labbe <clabbe.montjoie@gmail.com>
+Date: Wed, 31 May 2017 09:18:48 +0200
+Subject: arm64: allwinner: pine64-plus: Enable dwmac-sun8i
+
+The dwmac-sun8i hardware is present on the pine64 plus.
+It uses an external PHY rtl8211e via RGMII.
+
+Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
+Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+---
+ .../arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
++++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
+@@ -46,5 +46,20 @@
+ 	model = "Pine64+";
+ 	compatible = "pine64,pine64-plus", "allwinner,sun50i-a64";
+ 
+-	/* TODO: Camera, Ethernet PHY, touchscreen, etc. */
++	/* TODO: Camera, touchscreen, etc. */
++};
++
++&emac {
++	pinctrl-names = "default";
++	pinctrl-0 = <&rgmii_pins>;
++	phy-mode = "rgmii";
++	phy-handle = <&ext_rgmii_phy>;
++	status = "okay";
++};
++
++&mdio {
++	ext_rgmii_phy: ethernet-phy@1 {
++		compatible = "ethernet-phy-ieee802.3-c22";
++		reg = <1>;
++	};
+ };