cpu/esp32: add periph_usbdev for ESP32-S2 and ESP32S3

cpu/esp32/Kconfig.esp32s2

@@ -17,6 +17,7 @@ config CPU_FAM_ESP32S2
     select HAS_PERIPH_GPIO_LL_IRQ
     select HAS_PERIPH_GPIO_LL_IRQ_LEVEL_TRIGGERED_HIGH
     select HAS_PERIPH_GPIO_LL_IRQ_LEVEL_TRIGGERED_LOW
+    select HAS_PERIPH_USBDEV
     select HAS_PUF_SRAM
 
     select PACKAGE_ESP32_SDK if TEST_KCONFIG

cpu/esp32/Kconfig.esp32s3

@@ -23,6 +23,7 @@ config CPU_FAM_ESP32S3
     select HAS_PERIPH_GPIO_LL_IRQ
     select HAS_PERIPH_GPIO_LL_IRQ_LEVEL_TRIGGERED_HIGH
     select HAS_PERIPH_GPIO_LL_IRQ_LEVEL_TRIGGERED_LOW
+    select HAS_PERIPH_USBDEV
     select HAS_PUF_SRAM
 
     select PACKAGE_ESP32_SDK if TEST_KCONFIG

cpu/esp32/Makefile.dep

@@ -157,6 +157,11 @@ ifneq (,$(filter periph_rtt,$(USEMODULE)))
   USEMODULE += periph_rtt_hw_rtc
 endif
 
+ifneq (,$(filter periph_usbdev,$(USEMODULE)))
+  USEMODULE += esp_idf_usb
+  USEMODULE += ztimer_msec
+endif
+
 ifneq (,$(filter shell,$(USEMODULE)))
   USEMODULE += ps
 endif

cpu/esp32/Makefile.features

@@ -41,6 +41,10 @@ else ifneq (,$(filter esp32c3 esp32s3,$(CPU_FAM)))
   FEATURES_PROVIDED += esp_ble_esp32c3
 endif
 
+ifneq (,$(filter esp32s2 esp32s3,$(CPU_FAM)))
+  FEATURES_PROVIDED += periph_usbdev
+endif
+
 ifneq (,$(filter esp32-wrover% esp32s2%r2 esp32s3%r2 esp32s3%r8 esp32s3%r8v,$(CPU_MODEL)))
   FEATURES_PROVIDED += esp_spi_ram
   ifneq (,$(filter esp32s3%r8 esp32s3%r8v,$(CPU_MODEL)))

cpu/esp32/Makefile.include

@@ -50,6 +50,7 @@ PSEUDOMODULES += esp_wifi_enterprise
 
 INCLUDES += -I$(RIOTCPU)/$(CPU)/esp-idf/include
 INCLUDES += -I$(RIOTCPU)/$(CPU)/esp-idf/include/log
+INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/include
 
 INCLUDES += -I$(ESP32_SDK_DIR)/components
 INCLUDES += -I$(ESP32_SDK_DIR)/components/bootloader_support/include
@@ -98,6 +99,10 @@ ifneq (,$(filter esp_idf_spi_flash,$(USEMODULE)))
   INCLUDES += -I$(ESP32_SDK_DIR)/components/spi_flash/include
 endif
 
+ifneq (,$(filter esp_idf_usb,$(USEMODULE)))
+  INCLUDES += -I$(ESP32_SDK_DIR)/components/usb/include
+endif
+
 ifneq (,$(filter esp_wifi_any,$(USEMODULE)))
   INCLUDES += -I$(ESP32_SDK_DIR)/components/bootloader_support/include
   INCLUDES += -I$(ESP32_SDK_DIR)/components/esp_eth/include

cpu/esp32/esp-idf/Kconfig

@@ -28,5 +28,6 @@ rsource "heap/Kconfig"
 rsource "nvs_flash/Kconfig"
 rsource "spi_flash/Kconfig"
 rsource "spi_ram/Kconfig"
+rsource "usb/Kconfig"
 rsource "wifi/Kconfig"
 rsource "wpa_supplicant/Kconfig"

cpu/esp32/esp-idf/Makefile

@@ -48,6 +48,10 @@ ifneq (,$(filter esp_idf_spi_ram,$(USEMODULE)))
   DIRS += spi_ram
 endif
 
+ifneq (,$(filter esp_idf_usb,$(USEMODULE)))
+  DIRS += usb
+endif
+
 ifneq (,$(filter esp_idf_wifi,$(USEMODULE)))
   DIRS += wifi
 endif

cpu/esp32/esp-idf/usb/Kconfig

@@ -0,0 +1,13 @@
+# Copyright (c) 2022 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+config MODULE_ESP_IDF_USB
+    bool
+    depends on TEST_KCONFIG
+    depends on MODULE_ESP_IDF
+    help
+        ESP-IDF code for USB.

cpu/esp32/esp-idf/usb/Makefile

@@ -0,0 +1,17 @@
+MODULE = esp_idf_usb
+
+# source files to be compiled for this module
+ESP32_SDK_SRC = \
+  components/hal/usb_hal.c \
+  components/hal/usb_phy_hal.c \
+  components/soc/$(CPU_FAM)/usb_periph.c \
+  components/soc/$(CPU_FAM)/usb_phy_periph.c \
+  components/usb/usb_phy.c \
+  #
+
+include $(RIOTBASE)/Makefile.base
+
+ESP32_SDK_BIN = $(BINDIR)/$(MODULE)
+
+include ../esp_idf.mk
+include ../esp_idf_cflags.mk

cpu/esp32/include/irq_arch.h

@@ -39,6 +39,7 @@ extern "C" {
 #define CPU_INUM_GPIO       2   /**< Level interrupt with low priority 1 */
 #define CPU_INUM_CAN        3   /**< Level interrupt with low priority 1 */
 #define CPU_INUM_UART       4   /**< Level interrupt with low priority 1 */
+#define CPU_INUM_USB        8   /**< Level interrupt with low priority 1 */
 #define CPU_INUM_RTT        9   /**< Level interrupt with low priority 1 */
 #define CPU_INUM_I2C        12  /**< Level interrupt with low priority 1 */
 #define CPU_INUM_WDT        13  /**< Level interrupt with low priority 1 */

cpu/esp32/include/sdkconfig_esp32s2.h

@@ -105,9 +105,7 @@ extern "C" {
 /**
  * ESP32-S2 specific PHY configuration
  */
-#define CONFIG_USB_OTG_SUPPORTED 0
-#define CONFIG_USB_HOST_CONTROL_TRANSFER_MAX_SIZE 256
-#define CONFIG_USB_HOST_HW_BUFFER_BIAS_BALANCED 1
+#define CONFIG_USB_OTG_SUPPORTED                1
 
 /**
  * ESP32-S2 specific SPI RAM configuration

cpu/esp32/include/sdkconfig_esp32s3.h

@@ -110,9 +110,7 @@ extern "C" {
  * ESP32-S3 specific PHY configuration
  */
 #define CONFIG_ESP_PHY_ENABLE_USB               1
-#define CONFIG_USB_OTG_SUPPORTED 0
-#define CONFIG_USB_HOST_CONTROL_TRANSFER_MAX_SIZE 256
-#define CONFIG_USB_HOST_HW_BUFFER_BIAS_BALANCED 1
+#define CONFIG_USB_OTG_SUPPORTED                1
 
 /**
  * ESP32-S3 specific SPI RAM configuration

cpu/esp32/irq_arch.c

@@ -79,7 +79,10 @@ static const struct intr_handle_data_t _irq_data_table[] = {
 #if !defined(CPU_FAM_ESP32)
     { ETS_SYSTIMER_TARGET2_EDGE_INTR_SOURCE, CPU_INUM_SYSTIMER, 2 },
 #endif
-    { ETS_INTERNAL_SW1_INTR_SOURCE, CPU_INUM_BLE, 2 }
+    { ETS_INTERNAL_SW1_INTR_SOURCE, CPU_INUM_BLE, 2 },
+#if defined(CPU_FAM_ESP32S2) || defined(CPU_FAM_ESP32S3)
+    { ETS_USB_INTR_SOURCE, CPU_INUM_USB, 1 },
+#endif
 };
 
 #define IRQ_DATA_TABLE_SIZE        ARRAY_SIZE(_irq_data_table)