Taken from U-Boot, needed for the upcoming dwc2 driver.

Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
 include/usb/usbroothubdes.h | 128 ++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 include/usb/usbroothubdes.h

diff --git a/include/usb/usbroothubdes.h b/include/usb/usbroothubdes.h
new file mode 100644
index 0000000000..e743555d8e
--- /dev/null
+++ b/include/usb/usbroothubdes.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * USB virtual root hub descriptors
+ *
+ * (C) Copyright 2014
+ * Stephen Warren swar...@wwwdotorg.org
+ *
+ * Based on ohci-hcd.c
+ */
+
+#ifndef __USBROOTHUBDES_H__
+#define __USBROOTHUBDES_H__
+
+/* Device descriptor */
+static __u8 root_hub_dev_des[] = {
+       0x12,           /* __u8  bLength; */
+       0x01,           /* __u8  bDescriptorType; Device */
+       0x10,           /* __u16 bcdUSB; v1.1 */
+       0x01,
+       0x09,           /* __u8  bDeviceClass; HUB_CLASSCODE */
+       0x00,           /* __u8  bDeviceSubClass; */
+       0x00,           /* __u8  bDeviceProtocol; */
+       0x08,           /* __u8  bMaxPacketSize0; 8 Bytes */
+       0x00,           /* __u16 idVendor; */
+       0x00,
+       0x00,           /* __u16 idProduct; */
+       0x00,
+       0x00,           /* __u16 bcdDevice; */
+       0x00,
+       0x00,           /* __u8  iManufacturer; */
+       0x01,           /* __u8  iProduct; */
+       0x00,           /* __u8  iSerialNumber; */
+       0x01,           /* __u8  bNumConfigurations; */
+};
+
+/* Configuration descriptor */
+static __u8 root_hub_config_des[] = {
+       0x09,           /* __u8  bLength; */
+       0x02,           /* __u8  bDescriptorType; Configuration */
+       0x19,           /* __u16 wTotalLength; */
+       0x00,
+       0x01,           /* __u8  bNumInterfaces; */
+       0x01,           /* __u8  bConfigurationValue; */
+       0x00,           /* __u8  iConfiguration; */
+       0x40,           /* __u8  bmAttributes;
+                        *       Bit 7: Bus-powered
+                        *       6: Self-powered,
+                        *       5 Remote-wakwup,
+                        *       4..0: resvd
+                        */
+       0x00,           /* __u8  MaxPower; */
+       /* interface */
+       0x09,           /* __u8  if_bLength; */
+       0x04,           /* __u8  if_bDescriptorType; Interface */
+       0x00,           /* __u8  if_bInterfaceNumber; */
+       0x00,           /* __u8  if_bAlternateSetting; */
+       0x01,           /* __u8  if_bNumEndpoints; */
+       0x09,           /* __u8  if_bInterfaceClass; HUB_CLASSCODE */
+       0x00,           /* __u8  if_bInterfaceSubClass; */
+       0x00,           /* __u8  if_bInterfaceProtocol; */
+       0x00,           /* __u8  if_iInterface; */
+       /* endpoint */
+       0x07,           /* __u8  ep_bLength; */
+       0x05,           /* __u8  ep_bDescriptorType; Endpoint */
+       0x81,           /* __u8  ep_bEndpointAddress; IN Endpoint 1 */
+       0x03,           /* __u8  ep_bmAttributes; Interrupt */
+       0x02,           /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
+       0x00,
+       0xff,           /* __u8  ep_bInterval; 255 ms */
+};
+
+#ifdef WANT_USB_ROOT_HUB_HUB_DES
+static unsigned char root_hub_hub_des[] = {
+       0x09,           /* __u8  bLength; */
+       0x29,           /* __u8  bDescriptorType; Hub-descriptor */
+       0x02,           /* __u8  bNbrPorts; */
+       0x00,           /* __u16 wHubCharacteristics; */
+       0x00,
+       0x01,           /* __u8  bPwrOn2pwrGood; 2ms */
+       0x00,           /* __u8  bHubContrCurrent; 0 mA */
+       0x00,           /* __u8  DeviceRemovable; *** 7 Ports max *** */
+       0xff,           /* __u8  PortPwrCtrlMask; *** 7 ports max *** */
+};
+#endif
+
+static unsigned char root_hub_str_index0[] = {
+       0x04,           /* __u8  bLength; */
+       0x03,           /* __u8  bDescriptorType; String-descriptor */
+       0x09,           /* __u8  lang ID */
+       0x04,           /* __u8  lang ID */
+};
+
+static unsigned char root_hub_str_index1[] = {
+       32,             /* __u8  bLength; */
+       0x03,           /* __u8  bDescriptorType; String-descriptor */
+       'U',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       '-',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'B',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'o',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'o',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       't',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       ' ',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'R',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'o',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'o',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       't',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       ' ',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'H',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'u',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+       'b',            /* __u8  Unicode */
+       0,              /* __u8  Unicode */
+};
+
+#endif
-- 
2.24.0


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