riscv: dts: starfive: jh7110-pine64-star64: enable usb0 host function

Pine64 Star64 board routes all four USB-A ports to USB0 on the SoC.
Set JH7110 on-chip USB host mode and vbus pin assignment accordingly.

Signed-off-by: E Shattow <e@freeshell.de>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

Author: E Shattow

arch/riscv/boot/dts/starfive/jh7110-pine64-star64.dts

@@ -80,7 +80,23 @@
 	status = "okay";
 };
 
+&sysgpio {
+	usb0_pins: usb0-0 {
+		vbus-pins {
+			pinmux = <GPIOMUX(25,  GPOUT_SYS_USB_DRIVE_VBUS,
+					       GPOEN_ENABLE,
+					       GPI_NONE)>;
+			bias-disable;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
+};
+
 &usb0 {
-	dr_mode = "peripheral";
+	dr_mode = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins>;
 	status = "okay";
 };