ARM: sunxi: Add EMAC Controller to Hackberry dt

The Hackberry has a PHY that needs to be powered up through a GPIO, so
we need to use a fixed regulator here.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/arm/boot/dts/sun4i-a10-hackberry.dts b/arch/arm/boot/dts/sun4i-a10-hackberry.dts
index b9efac1..3514b37 100644 (file)
--- a/arch/arm/boot/dts/sun4i-a10-hackberry.dts
+++ b/arch/arm/boot/dts/sun4i-a10-hackberry.dts
@@ -23,10 +23,51 @@
        };
 
        soc@01c20000 {
+               emac: ethernet@01c0b000 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&emac_pins_a>;
+                       phy = <&phy0>;
+                       status = "okay";
+               };
+
+               mdio@01c0b080 {
+                       phy-supply = <&reg_emac_3v3>;
+                       status = "okay";
+
+                       phy0: ethernet-phy@0 {
+                               reg = <0>;
+                       };
+               };
+
+               pio: pinctrl@01c20800 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&hackberry_hogs>;
+
+                       hackberry_hogs: hogs@0 {
+                               allwinner,pins = "PH19";
+                               allwinner,function = "gpio_out";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
+               };
+
                uart0: serial@01c28000 {
                        pinctrl-names = "default";
                        pinctrl-0 = <&uart0_pins_a>;
                        status = "okay";
                };
        };
+
+       regulators {
+               compatible = "simple-bus";
+
+               reg_emac_3v3: emac-3v3 {
+                       compatible = "regulator-fixed";
+                       regulator-name = "emac-3v3";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       enable-active-high;
+                       gpio = <&pio 7 19 0>;
+               };
+       };
 };