ARM: SPEAr: DT: Modify DT bindings for STMMAC

This patch modifies the DT bindings for the GMAC IP existings for the
SPEAr family. The DT bindings now additionally pass the phy mode as a
configuration parameter for the ethernet device.
Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

arch/arm/boot/dts/spear1310-evb.dts

@@ -148,6 +148,7 @@ partition@E40000 {
 		};
 
 		gmac0: eth@e2000000 {
+			phy-mode = "gmii";
 			status = "okay";
 		};
 

arch/arm/boot/dts/spear1310.dtsi

@@ -55,6 +55,7 @@ gmac1: eth@5c400000 {
 			reg = <0x5c400000 0x8000>;
 			interrupts = <0 95 0x4>;
 			interrupt-names = "macirq";
+			phy-mode = "mii";
 			status = "disabled";
 		};
 
@@ -63,6 +64,7 @@ gmac2: eth@5c500000 {
 			reg = <0x5c500000 0x8000>;
 			interrupts = <0 96 0x4>;
 			interrupt-names = "macirq";
+			phy-mode = "mii";
 			status = "disabled";
 		};
 
@@ -71,6 +73,7 @@ gmac3: eth@5c600000 {
 			reg = <0x5c600000 0x8000>;
 			interrupts = <0 97 0x4>;
 			interrupt-names = "macirq";
+			phy-mode = "rmii";
 			status = "disabled";
 		};
 
@@ -79,6 +82,7 @@ gmac4: eth@5c700000 {
 			reg = <0x5c700000 0x8000>;
 			interrupts = <0 98 0x4>;
 			interrupt-names = "macirq";
+			phy-mode = "rgmii";
 			status = "disabled";
 		};
 

arch/arm/boot/dts/spear1340-evb.dts

@@ -156,6 +156,7 @@ partition@1200000 {
 		};
 
 		gmac0: eth@e2000000 {
+			phy-mode = "rgmii";
 			status = "okay";
 		};
 

arch/arm/boot/dts/spear3xx.dtsi

@@ -53,6 +53,7 @@ gmac: eth@e0800000 {
 			reg = <0xe0800000 0x8000>;
 			interrupts = <23 22>;
 			interrupt-names = "macirq", "eth_wake_irq";
+			phy-mode = "mii";
 			status = "disabled";
 		};
 

arch/arm/boot/dts/spear600.dtsi

@@ -59,6 +59,7 @@ gmac: ethernet@e0800000 {
 			interrupt-parent = <&vic1>;
 			interrupts = <24 23>;
 			interrupt-names = "macirq", "eth_wake_irq";
+			phy-mode = "gmii";
 			status = "disabled";
 		};