diff --git a/include/usb/usb_ch9.h b/include/usb/usb_ch9.h
new file mode 100644
index 00000000000..b83c0bcea72
--- /dev/null
+++ b/include/usb/usb_ch9.h
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2020 PHYTEC Messtechnik GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief USB Chapter 9 structures and definitions
+ *
+ * This file contains the USB Chapter 9 structures definitions
+ * and follows, with few exceptions, the USB Specification 2.0.
+ */
+
+#include <version.h>
+#include <sys/util.h>
+
+#ifndef ZEPHYR_INCLUDE_USB_CH9_H_
+#define ZEPHYR_INCLUDE_USB_CH9_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct usb_req_type_field {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	uint8_t recipient : 5;
+	uint8_t type : 2;
+	uint8_t direction : 1;
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	uint8_t direction : 1;
+	uint8_t type : 2;
+	uint8_t recipient : 5;
+#endif
+} __packed;
+
+/** USB Setup Data packet defined in spec. Table 9-2 */
+struct usb_setup_packet {
+	union {
+		uint8_t bmRequestType;
+		struct usb_req_type_field RequestType;
+	};
+	uint8_t bRequest;
+	uint16_t wValue;
+	uint16_t wIndex;
+	uint16_t wLength;
+};
+
+/** USB Setup packet RequestType Direction values (from Table 9-2) */
+#define USB_REQTYPE_DIR_TO_DEVICE	0
+#define USB_REQTYPE_DIR_TO_HOST		1
+
+/** USB Setup packet RequestType Type values (from Table 9-2) */
+#define USB_REQTYPE_TYPE_STANDARD	0
+#define USB_REQTYPE_TYPE_CLASS		1
+#define USB_REQTYPE_TYPE_VENDOR		2
+#define USB_REQTYPE_TYPE_RESERVED	3
+
+/** USB Setup packet RequestType Recipient values (from Table 9-2) */
+#define USB_REQTYPE_RECIPIENT_DEVICE	0
+#define USB_REQTYPE_RECIPIENT_INTERFACE	1
+#define USB_REQTYPE_RECIPIENT_ENDPOINT	2
+#define USB_REQTYPE_RECIPIENT_OTHER	3
+
+/** Get data transfer direction from bmRequestType */
+#define USB_REQTYPE_GET_DIR(bmRequestType) (((bmRequestType) >> 7) & 0x01U)
+/** Get request type from bmRequestType */
+#define USB_REQTYPE_GET_TYPE(bmRequestType) (((bmRequestType) >> 5) & 0x03U)
+/** Get request recipient from bmRequestType */
+#define USB_REQTYPE_GET_RECIPIENT(bmRequestType) ((bmRequestType) & 0x1FU)
+
+/**
+ * @brief Check if request transfer direction is to host.
+ *
+ * @param setup Pointer to USB Setup packet
+ * @return true If transfer direction is to host
+ */
+static inline bool usb_reqtype_is_to_host(struct usb_setup_packet *setup)
+{
+	return setup->RequestType.direction == USB_REQTYPE_DIR_TO_HOST;
+}
+
+/**
+ * @brief Check if request transfer direction is to device.
+ *
+ * @param setup Pointer to USB Setup packet
+ * @return true If transfer direction is to device
+ */
+static inline bool usb_reqtype_is_to_device(struct usb_setup_packet *setup)
+{
+	return setup->RequestType.direction == USB_REQTYPE_DIR_TO_DEVICE;
+}
+
+/** USB Standard Request Codes defined in spec. Table 9-4 */
+#define USB_SREQ_GET_STATUS		0x00
+#define USB_SREQ_CLEAR_FEATURE		0x01
+#define USB_SREQ_SET_FEATURE		0x03
+#define USB_SREQ_SET_ADDRESS		0x05
+#define USB_SREQ_GET_DESCRIPTOR		0x06
+#define USB_SREQ_SET_DESCRIPTOR		0x07
+#define USB_SREQ_GET_CONFIGURATION	0x08
+#define USB_SREQ_SET_CONFIGURATION	0x09
+#define USB_SREQ_GET_INTERFACE		0x0A
+#define USB_SREQ_SET_INTERFACE		0x0B
+#define USB_SREQ_SYNCH_FRAME		0x0C
+
+/** Descriptor Types defined in spec. Table 9-5 */
+#define USB_DESC_DEVICE			1
+#define USB_DESC_CONFIGURATION		2
+#define USB_DESC_STRING			3
+#define USB_DESC_INTERFACE		4
+#define USB_DESC_ENDPOINT		5
+#define USB_DESC_DEVICE_QUALIFIER	6
+#define USB_DESC_OTHER_SPEED		7
+#define USB_DESC_INTERFACE_POWER	8
+/** Additional Descriptor Types defined in USB 3 spec. Table 9-5 */
+#define USB_DESC_OTG			9
+#define USB_DESC_DEBUG			10
+#define USB_DESC_INTERFACE_ASSOC	11
+#define USB_DESC_BOS			15
+#define USB_DESC_DEVICE_CAPABILITY	16
+
+/** Class-Specific Descriptor Types as defined by
+ *  USB Common Class Specification
+ */
+#define USB_DESC_CS_DEVICE		0x21
+#define USB_DESC_CS_CONFIGURATION	0x22
+#define USB_DESC_CS_STRING		0x23
+#define USB_DESC_CS_INTERFACE		0x24
+#define USB_DESC_CS_ENDPOINT		0x25
+
+/** USB Standard Feature Selectors defined in spec. Table 9-6 */
+#define USB_SFS_ENDPOINT_HALT		0x00
+#define USB_SFS_REMOTE_WAKEUP		0x01
+#define USB_SFS_TEST_MODE		0x02
+
+/** Bits used for GetStatus response defined in spec. Figure 9-4 */
+#define USB_GET_STATUS_SELF_POWERED	BIT(0)
+#define USB_GET_STATUS_REMOTE_WAKEUP	BIT(1)
+
+/** Header of an USB descriptor */
+struct usb_desc_header {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+} __packed;
+
+/** USB Standard Device Descriptor defined in spec. Table 9-8 */
+struct usb_device_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint16_t bcdUSB;
+	uint8_t bDeviceClass;
+	uint8_t bDeviceSubClass;
+	uint8_t bDeviceProtocol;
+	uint8_t bMaxPacketSize0;
+	uint16_t idVendor;
+	uint16_t idProduct;
+	uint16_t bcdDevice;
+	uint8_t iManufacturer;
+	uint8_t iProduct;
+	uint8_t iSerialNumber;
+	uint8_t bNumConfigurations;
+} __packed;
+
+/** USB Standard Configuration Descriptor defined in spec. Table 9-10 */
+struct usb_cfg_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint16_t wTotalLength;
+	uint8_t bNumInterfaces;
+	uint8_t bConfigurationValue;
+	uint8_t iConfiguration;
+	uint8_t bmAttributes;
+	uint8_t bMaxPower;
+} __packed;
+
+/** USB Standard Interface Descriptor defined in spec. Table 9-12 */
+struct usb_if_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t bInterfaceNumber;
+	uint8_t bAlternateSetting;
+	uint8_t bNumEndpoints;
+	uint8_t bInterfaceClass;
+	uint8_t bInterfaceSubClass;
+	uint8_t bInterfaceProtocol;
+	uint8_t iInterface;
+} __packed;
+
+/** USB Standard Endpoint Descriptor defined in spec. Table 9-13 */
+struct usb_ep_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t bEndpointAddress;
+	uint8_t bmAttributes;
+	uint16_t wMaxPacketSize;
+	uint8_t bInterval;
+} __packed;
+
+/** USB Unicode (UTF16LE) String Descriptor defined in spec. Table 9-15 */
+struct usb_string_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint16_t bString;
+} __packed;
+
+/** USB Association Descriptor defined in USB 3 spec. Table 9-16 */
+struct usb_association_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t bFirstInterface;
+	uint8_t bInterfaceCount;
+	uint8_t bFunctionClass;
+	uint8_t bFunctionSubClass;
+	uint8_t bFunctionProtocol;
+	uint8_t iFunction;
+} __packed;
+
+/** USB Standard Configuration Descriptor Characteristics from Table 9-10 */
+#define USB_SCD_RESERVED	BIT(7)
+#define USB_SCD_SELF_POWERED	BIT(6)
+#define USB_SCD_REMOTE_WAKEUP	BIT(5)
+#define USB_SCD_ATTRIBUTES	(USB_SCD_RESERVED |			      \
+				 COND_CODE_1(CONFIG_USB_SELF_POWERED,	      \
+					     (USB_SCD_SELF_POWERED), (0)) |   \
+				 COND_CODE_1(CONFIG_USB_DEVICE_REMOTE_WAKEUP, \
+					     (USB_SCD_REMOTE_WAKEUP), (0)))
+
+/** USB Defined Base Class Codes from https://www.usb.org/defined-class-codes */
+#define USB_BCC_AUDIO			0x01
+#define USB_BCC_CDC_CONTROL		0x02
+#define USB_BCC_HID			0x03
+#define USB_BCC_MASS_STORAGE		0x08
+#define USB_BCC_CDC_DATA		0x0A
+#define USB_BCC_VIDEO			0x0E
+#define USB_BCC_WIRELESS_CONTROLLER	0xE0
+#define USB_BCC_MISCELLANEOUS		0xEF
+#define USB_BCC_APPLICATION		0xFE
+#define USB_BCC_VENDOR			0xFF
+
+/** USB Specification Release Numbers (bcdUSB Descriptor field) */
+#define USB_SRN_1_1			0x0110
+#define USB_SRN_2_0			0x0200
+#define USB_SRN_2_1			0x0210
+
+#define USB_DEC_TO_BCD(dec)	((((dec) / 10) << 4) | ((dec) % 10))
+
+/** USB Device release number (bcdDevice Descriptor field) */
+#define USB_BCD_DRN		(USB_DEC_TO_BCD(KERNEL_VERSION_MAJOR) << 8 | \
+				 USB_DEC_TO_BCD(KERNEL_VERSION_MINOR))
+
+/** Macro to obtain descriptor type from USB_SREQ_GET_DESCRIPTOR request */
+#define USB_GET_DESCRIPTOR_TYPE(wValue)		((uint8_t)((wValue) >> 8))
+
+/** Macro to obtain descriptor index from USB_SREQ_GET_DESCRIPTOR request */
+#define USB_GET_DESCRIPTOR_INDEX(wValue)	((uint8_t)(wValue))
+
+/** USB Control Endpoints OUT and IN Address */
+#define USB_CONTROL_EP_OUT		0
+#define USB_CONTROL_EP_IN		0x80
+
+/** USB Control Endpoints maximum packet size (MPS) */
+#define USB_CONTROL_EP_MPS		64
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ZEPHYR_INCLUDE_USB_CH9_H_ */