arm64: dts: qcom: qcs404-evb: Enable USB controllers

This patch enables the primary and secondary USB controllers on the
qcs404-evb.

Primary:
The primary USB controller has

- One USB3 SS PHY using gpio-usb-conn
- One USB2 HS PHY in device mode only and no connector driver
  associated.

Secondary:
The second DWC3 controller which has one USB Hi-Speed PHY attached to it.

Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20200311191517.8221-7-bryan.odonoghue@linaro.org
[bjorn: Dropped usb3 role switching and enabled vbus]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/qcs404-evb.dtsi

@@ -44,6 +44,9 @@ usb3_vbus_reg: regulator-usb3-vbus {
 		pinctrl-0 = <&usb_vbus_boost_pin>;
 		vin-supply = <&vph_pwr>;
 		enable-active-high;
+
+		/* TODO: Drop this when introducing role switching */
+		regulator-always-on;
 	};
 };
 
@@ -320,6 +323,38 @@ pinconf {
 	};
 };
 
+&usb2 {
+	status = "okay";
+};
+
+&usb2_phy_sec {
+	vdd-supply = <&vreg_l4_1p2>;
+	vdda1p8-supply = <&vreg_l5_1p8>;
+	vdda3p3-supply = <&vreg_l12_3p3>;
+	status = "okay";
+};
+
+&usb3 {
+	status = "okay";
+
+	dwc3@7580000 {
+		dr_mode = "host";
+	};
+};
+
+&usb2_phy_prim {
+	vdd-supply = <&vreg_l4_1p2>;
+	vdda1p8-supply = <&vreg_l5_1p8>;
+	vdda3p3-supply = <&vreg_l12_3p3>;
+	status = "okay";
+};
+
+&usb3_phy {
+	vdd-supply = <&vreg_l3_1p05>;
+	vdda1p8-supply = <&vreg_l5_1p8>;
+	status = "okay";
+};
+
 &wifi {
 	status = "okay";
 	vdd-0.8-cx-mx-supply = <&vreg_l2_1p275>;