From: LABBE Corentin <clabbe.montj...@gmail.com>

The dwmac-sun8i hardware is present on the Banana Pi M2+
It uses an external PHY rtl8211e via RGMII.

This patch create the needed regulator, emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
---
 arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts | 38 +++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts 
b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
index c0c49dd..a4f7b99 100644
--- a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
@@ -91,6 +91,18 @@
                pinctrl-0 = <&wifi_en_bpi_m2p>;
                reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
        };
+
+       reg_gmac_3v3: gmac-3v3 {
+                     compatible = "regulator-fixed";
+                     pinctrl-names = "default";
+                     pinctrl-0 = <&gmac_power_pin_orangepi>;
+                     regulator-name = "gmac-3v3";
+                     regulator-min-microvolt = <3300000>;
+                     regulator-max-microvolt = <3300000>;
+                     startup-delay-us = <100000>;
+                     enable-active-high;
+                     gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
+             };
 };
 
 &ehci1 {
@@ -187,3 +199,29 @@
        /* USB VBUS is on as long as VCC-IO is on */
        status = "okay";
 };
+
+&pio {
+       gmac_power_pin_orangepi: gmac_power_pin@0 {
+                allwinner,pins = "PD6";
+                allwinner,function = "gpio_out";
+                allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+                allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+        };
+};
+
+&mdio {
+       ext_rgmii_phy: ethernet-phy@1 {
+               reg = <0>;
+       };
+};
+
+&emac {
+       pinctrl-names = "default";
+       pinctrl-0 = <&emac_rgmii_pins>;
+       phy-supply = <&reg_gmac_3v3>;
+       phy-handle = <&ext_rgmii_phy>;
+       phy-mode = "rgmii";
+
+       allwinner,leds-active-low;
+       status = "okay";
+};
-- 
2.10.2

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