[PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i

[Corentin Labbe]

The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts 
b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@
        compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
 
        aliases {
+               ethernet0 = &emac;
                serial0 = &uart0;
        };
 
@@ -88,6 +89,23 @@
        /* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 };
 
+&emac {
+       pinctrl-names = "default";
+       pinctrl-0 = <&emac_rgmii_pins>;
+       phy-handle = <&ext_rgmii_phy>;
+       phy-mode = "rgmii";
+       allwinner,rx-delay-ps = <700>;
+       allwinner,tx-delay-ps = <700>;
+
+       status = "okay";
+};
+
+&mdio {
+       ext_rgmii_phy: ethernet-phy@1 {
+               reg = <1>;
+       };
+};
+
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins>;
-- 
2.13.6