[bsp][stm]: add stm32g0 usbd fs support

Author: FlyyingPiggy2020

bsp/stm32/libraries/HAL_Drivers/drivers/config/g0/usbd_config.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2026-06-10     Luxianfan    add FS USB support
+ */
+#ifndef __USBD_CONFIG_H__
+#define __USBD_CONFIG_H__
+
+#include <rtconfig.h>
+
+#ifdef BSP_USBD_TYPE_HS
+//#define USBD_IRQ_TYPE    OTG_HS_IRQn
+//#define USBD_IRQ_HANDLER OTG_HS_IRQHandler
+//#define USBD_INSTANCE    USB_OTG_HS
+#else
+#define USBD_IRQ_TYPE    USB_UCPD1_2_IRQn
+#define USBD_IRQ_HANDLER USB_UCPD1_2_IRQHandler
+#define USBD_INSTANCE    USB_DRD_FS
+#endif
+
+#ifdef BSP_USBD_SPEED_HS
+//#define USBD_PCD_SPEED PCD_SPEED_HIGH
+//#elif BSP_USBD_SPEED_HSINFS
+//#define USBD_PCD_SPEED PCD_SPEED_HIGH_IN_FULL
+#else
+#define USBD_PCD_SPEED PCD_SPEED_FULL
+#endif
+
+#ifdef BSP_USBD_PHY_ULPI
+//#define USBD_PCD_PHY_MODULE PCD_PHY_ULPI
+//#elif BSP_USBD_PHY_UTMI
+//#define USBD_PCD_PHY_MODULE PCD_PHY_UTMI
+#else
+#define USBD_PCD_PHY_MODULE PCD_PHY_EMBEDDED
+#endif
+
+#endif

bsp/stm32/libraries/HAL_Drivers/drivers/drv_config.h

@@ -105,6 +105,7 @@ extern "C" {
 #include "g0/adc_config.h"
 #include "g0/tim_config.h"
 #include "g0/pwm_config.h"
+#include "g0/usbd_config.h"
 #elif  defined(SOC_SERIES_STM32G4)
 #include "g4/dma_config.h"
 #include "g4/uart_config.h"

bsp/stm32/libraries/HAL_Drivers/drivers/drv_usbd.c

@@ -213,13 +213,23 @@ static rt_err_t _init(rt_device_t device)
     pcd->Init.ep0_mps = EP_MPS_64;
 #if !defined(SOC_SERIES_STM32F1)
     pcd->Init.phy_itface = USBD_PCD_PHY_MODULE;
+#endif
+#if defined(SOC_SERIES_STM32G0)
+    pcd->Init.Host_channels = 8;
+    pcd->Init.Sof_enable = DISABLE;
+    pcd->Init.low_power_enable = DISABLE;
+    pcd->Init.lpm_enable = DISABLE;
+    pcd->Init.battery_charging_enable = DISABLE;
+    pcd->Init.vbus_sensing_enable = DISABLE;
+    pcd->Init.bulk_doublebuffer_enable = DISABLE;
+    pcd->Init.iso_singlebuffer_enable = DISABLE;
 #endif
     /* Initialize LL Driver */
     HAL_PCD_Init(pcd);
     /* USB interrupt Init */
     HAL_NVIC_SetPriority(USBD_IRQ_TYPE, 2, 0);
     HAL_NVIC_EnableIRQ(USBD_IRQ_TYPE);
-#if !defined(SOC_SERIES_STM32F1)
+#if !defined(SOC_SERIES_STM32F1) && !defined(SOC_SERIES_STM32G0)
     HAL_PCDEx_SetRxFiFo(pcd, 0x80);
     HAL_PCDEx_SetTxFiFo(pcd, 0, 0x40);
     HAL_PCDEx_SetTxFiFo(pcd, 1, 0x40);