ARM: dts: Enable support for USB 3.0 PHY controller for exynos5420

Add device tree nodes for USB 3.0 PHY present alongwith
USB 3.0 controller Exynos 5420 SoC. This phy driver is
based on generic phy framework.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 384f7a2..31d99b0a 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -47,6 +47,8 @@
 		spi0 = &spi_0;
 		spi1 = &spi_1;
 		spi2 = &spi_2;
+		usbdrdphy0 = &usbdrd_phy0;
+		usbdrdphy1 = &usbdrd_phy1;
 	};
 
 	cpus {
@@ -755,4 +757,22 @@
 		clock-names = "secss";
 		samsung,power-domain = <&g2d_pd>;
 	};
+
+	usbdrd_phy0: phy@12100000 {
+		compatible = "samsung,exynos5420-usbdrd-phy";
+		reg = <0x12100000 0x100>;
+		clocks = <&clock CLK_USBD300>, <&clock CLK_SCLK_USBPHY300>;
+		clock-names = "phy", "ref";
+		samsung,pmu-syscon = <&pmu_system_controller>;
+		#phy-cells = <1>;
+	};
+
+	usbdrd_phy1: phy@12500000 {
+		compatible = "samsung,exynos5420-usbdrd-phy";
+		reg = <0x12500000 0x100>;
+		clocks = <&clock CLK_USBD301>, <&clock CLK_SCLK_USBPHY301>;
+		clock-names = "phy", "ref";
+		samsung,pmu-syscon = <&pmu_system_controller>;
+		#phy-cells = <1>;
+	};
 };