boards: stm32f769i_disco: enable USB

This board uses a ULPI PHY to provide HS (USB 2.0) connectivitiy instead of
the internal PHY, which only supports FW (USB 1.x).

Signed-off-by: Armin Brauns <[email protected]>

Author: arbrauns

boards/st/stm32f769i_disco/stm32f769i_disco.dts

@@ -32,6 +32,11 @@
 		zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_RAM) )>;
 	};
 
+	otghs_ulpi_phy: otghs_ulpis_phy {
+		compatible = "usb-ulpi-phy";
+		#phy-cells = <0>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		red_led_1:led_1 {
@@ -238,3 +243,22 @@ arduino_serial: &usart6 {};
 		};
 	};
 };
+
+zephyr_udc0: &usbotg_hs {
+	pinctrl-0 = <&usb_otg_hs_ulpi_ck_pa5
+			&usb_otg_hs_ulpi_d0_pa3
+			&usb_otg_hs_ulpi_d1_pb0
+			&usb_otg_hs_ulpi_d2_pb1
+			&usb_otg_hs_ulpi_d3_pb10
+			&usb_otg_hs_ulpi_d4_pb11
+			&usb_otg_hs_ulpi_d5_pb12
+			&usb_otg_hs_ulpi_d6_pb13
+			&usb_otg_hs_ulpi_d7_pb5
+			&usb_otg_hs_ulpi_stp_pc0
+			&usb_otg_hs_ulpi_dir_pi11
+			&usb_otg_hs_ulpi_nxt_ph4>;
+	pinctrl-names = "default";
+	maximum-speed = "high-speed";
+	phys = <&otghs_ulpi_phy>;
+	status = "okay";
+};