dts: zynq7000: remove legacy MDIO properties, add MDIO nodes

Remove all instances of DT properties relating to the legacy
MDIO/PHY support.

Add the new MDIO nodes for GEM0 and GEM1.

Signed-off-by: Immo Birnbaum <mail@birnbaum.immo>

Author: ibirnbaum

dts/arm/xilinx/zynq7000.dtsi

@@ -58,9 +58,6 @@
 				     <GIC_SPI 23 IRQ_TYPE_LEVEL
 					IRQ_DEFAULT_PRIORITY>;
 			interrupt-names = "irq_0", "irq_1";
-			mdio-phy-address = <XLNX_GEM_PHY_AUTO_DETECT>;
-			phy-poll-interval = <1000>;
-			link-speed = <XLNX_GEM_LINK_SPEED_100MBIT>;
 			amba-ahb-dbus-width = <XLNX_GEM_AMBA_AHB_DBUS_WIDTH_32BIT>;
 			amba-ahb-burst-length = <XLNX_GEM_AMBA_AHB_BURST_SINGLE>;
 			hw-rx-buffer-size = <XLNX_GEM_HW_RX_BUFFER_SIZE_8KB>;
@@ -72,7 +69,13 @@
 			tx-buffer-size = <512>;
 			discard-rx-fcs;
 			unicast-hash;
-			full-duplex;
+		};
+
+		gem0_mdio: gem0_mdio {
+			compatible = "xlnx,gem-mdio";
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
 		};
 
 		gem1: ethernet@e000c000 {
@@ -85,9 +88,6 @@
 				     <GIC_SPI 46 IRQ_TYPE_LEVEL
 					IRQ_DEFAULT_PRIORITY>;
 			interrupt-names = "irq_0", "irq_1";
-			mdio-phy-address = <XLNX_GEM_PHY_AUTO_DETECT>;
-			phy-poll-interval = <1000>;
-			link-speed = <XLNX_GEM_LINK_SPEED_100MBIT>;
 			amba-ahb-dbus-width = <XLNX_GEM_AMBA_AHB_DBUS_WIDTH_32BIT>;
 			amba-ahb-burst-length = <XLNX_GEM_AMBA_AHB_BURST_SINGLE>;
 			hw-rx-buffer-size = <XLNX_GEM_HW_RX_BUFFER_SIZE_8KB>;
@@ -99,7 +99,13 @@
 			tx-buffer-size = <512>;
 			discard-rx-fcs;
 			unicast-hash;
-			full-duplex;
+		};
+
+		gem1_mdio: gem1_mdio {
+			compatible = "xlnx,gem-mdio";
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
 		};
 
 		uart0: uart@e0000000 {