ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCI

Enable support for HSUSB, USB2.0 and xHCI on iWave RZ/G1H carrier board.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/1595005225-11519-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm/boot/dts/r8a7742-iwg21d-q7.dts

@@ -131,6 +131,30 @@ sgtl5000: codec@a {
 	};
 };
 
+&hsusb {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&pci0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	/* Disable hsusb to enable USB2.0 host mode support on J2 */
+	/* status = "okay"; */
+};
+
+&pci1 {
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&pci2 {
+	/* Disable xhci to enable USB2.0 host mode support on J23 bottom port */
+	/* status = "okay"; */
+};
+
 &pfc {
 	avb_pins: avb {
 		groups = "avb_mdio", "avb_gmii";
@@ -168,6 +192,16 @@ sound_pins: sound {
 		groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
 		function = "ssi";
 	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		groups = "usb1_pwen";
+		function = "usb1";
+	};
 };
 
 &rcar_sound {
@@ -222,3 +256,11 @@ &sdhi2 {
 &ssi4 {
 	shared-pin;
 };
+
+&usbphy {
+	status = "okay";
+};
+
+&xhci {
+	status = "okay";
+};