ARM: dts: rmobile: r8a77990: Add USB2.0(EHCI) DT nodes on Ebisu

Add device tree nodes for USB2.0(EHCI) on R-Car E3 Ebisu board.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
diff --git a/arch/arm/dts/r8a77990-ebisu.dts b/arch/arm/dts/r8a77990-ebisu.dts
index 8b0d24b..5e3c195 100644
--- a/arch/arm/dts/r8a77990-ebisu.dts
+++ b/arch/arm/dts/r8a77990-ebisu.dts
@@ -65,6 +65,10 @@
 	};
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &extal_clk {
 	clock-frequency = <48000000>;
 };
@@ -101,6 +105,18 @@
 		function = "sdhi3";
 		power-source = <1800>;
 	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
+};
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-name = "default";
+
+	status = "okay";
 };
 
 &sdhi0 {
diff --git a/arch/arm/dts/r8a77990.dtsi b/arch/arm/dts/r8a77990.dtsi
index 6d2d5e1..ad20ea1 100644
--- a/arch/arm/dts/r8a77990.dtsi
+++ b/arch/arm/dts/r8a77990.dtsi
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/clock/renesas-cpg-mssr.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/r8a77990-sysc.h>
 
 / {
 	compatible = "renesas,r8a77990";
@@ -165,6 +166,43 @@
 			resets = <&cpg 906>;
 		};
 
+		ohci0: usb@ee080000 {
+			compatible = "generic-ohci";
+			reg = <0 0xee080000 0 0x100>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			phys = <&usb2_phy0>;
+			phy-names = "usb";
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
+			status = "disabled";
+		};
+
+		ehci0: usb@ee080100 {
+			compatible = "generic-ehci";
+			reg = <0 0xee080100 0 0x100>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			phys = <&usb2_phy0>;
+			phy-names = "usb";
+			companion = <&ohci0>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
+			status = "disabled";
+		};
+
+		usb2_phy0: usb-phy@ee080200 {
+			compatible = "renesas,usb2-phy-r8a7790",
+				     "renesas,rcar-gen3-usb2-phy";
+			reg = <0 0xee080200 0 0x700>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 703>;
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
+			#phy-cells = <0>;
+			status = "disabled";
+		};
+
 		pfc: pin-controller@e6060000 {
 			compatible = "renesas,pfc-r8a77990";
 			reg = <0 0xe6060000 0 0x508>;