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, 46 insertions, 0 deletions

diff --git a/target/linux/sunxi/patches-4.9/0062-arm64-allwinner-pine64-Enable-dwmac-sun8i.patch b/target/linux/sunxi/patches-4.9/0062-arm64-allwinner-pine64-Enable-dwmac-sun8i.patch
new file mode 100644
index 0000000000..d9a825490d
--- /dev/null
+++ b/target/linux/sunxi/patches-4.9/0062-arm64-allwinner-pine64-Enable-dwmac-sun8i.patch
@@ -0,0 +1,46 @@
+From 97023943749367111b9a88e09d1b9bd157dd3326 Mon Sep 17 00:00:00 2001
+From: Corentin Labbe <clabbe.montjoie@gmail.com>
+Date: Wed, 31 May 2017 09:18:47 +0200
+Subject: arm64: allwinner: pine64: Enable dwmac-sun8i
+
+The dwmac-sun8i hardware is present on the pine64
+It uses an external PHY via RMII.
+
+Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
+Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+---
+ arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
++++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+@@ -70,6 +70,15 @@
+ 	status = "okay";
+ };
+ 
++&emac {
++	pinctrl-names = "default";
++	pinctrl-0 = <&rmii_pins>;
++	phy-mode = "rmii";
++	phy-handle = <&ext_rmii_phy1>;
++	status = "okay";
++
++};
++
+ &i2c1 {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&i2c1_pins>;
+@@ -80,6 +89,13 @@
+ 	bias-pull-up;
+ };
+ 
++&mdio {
++	ext_rmii_phy1: ethernet-phy@1 {
++		compatible = "ethernet-phy-ieee802.3-c22";
++		reg = <1>;
++	};
++};
++
+ &mmc0 {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&mmc0_pins>;