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  1.  
  2. Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  3. Device Descriptor:
  4. bLength 18
  5. bDescriptorType 1
  6. bcdUSB 3.00
  7. bDeviceClass 9 Hub
  8. bDeviceSubClass 0
  9. bDeviceProtocol 3
  10. bMaxPacketSize0 9
  11. idVendor 0x1d6b Linux Foundation
  12. idProduct 0x0003 3.0 root hub
  13. bcdDevice 5.09
  14. iManufacturer 3 Linux 5.9.0-1-librem5 xhci-hcd
  15. iProduct 2 xHCI Host Controller
  16. iSerial 1 xhci-hcd.4.auto
  17. bNumConfigurations 1
  18. Configuration Descriptor:
  19. bLength 9
  20. bDescriptorType 2
  21. wTotalLength 0x001f
  22. bNumInterfaces 1
  23. bConfigurationValue 1
  24. iConfiguration 0
  25. bmAttributes 0xe0
  26. Self Powered
  27. Remote Wakeup
  28. MaxPower 0mA
  29. Interface Descriptor:
  30. bLength 9
  31. bDescriptorType 4
  32. bInterfaceNumber 0
  33. bAlternateSetting 0
  34. bNumEndpoints 1
  35. bInterfaceClass 9 Hub
  36. bInterfaceSubClass 0
  37. bInterfaceProtocol 0 Full speed (or root) hub
  38. iInterface 0
  39. Endpoint Descriptor:
  40. bLength 7
  41. bDescriptorType 5
  42. bEndpointAddress 0x81 EP 1 IN
  43. bmAttributes 3
  44. Transfer Type Interrupt
  45. Synch Type None
  46. Usage Type Data
  47. wMaxPacketSize 0x0004 1x 4 bytes
  48. bInterval 12
  49. bMaxBurst 0
  50. Hub Descriptor:
  51. bLength 12
  52. bDescriptorType 42
  53. nNbrPorts 1
  54. wHubCharacteristic 0x0009
  55. Per-port power switching
  56. Per-port overcurrent protection
  57. bPwrOn2PwrGood 10 * 2 milli seconds
  58. bHubContrCurrent 0 milli Ampere
  59. bHubDecLat 0.0 micro seconds
  60. wHubDelay 0 nano seconds
  61. DeviceRemovable 0x00
  62. Hub Port Status:
  63. Port 1: 0000.02a0 5Gbps power Rx.Detect
  64. Binary Object Store Descriptor:
  65. bLength 5
  66. bDescriptorType 15
  67. wTotalLength 0x000f
  68. bNumDeviceCaps 1
  69. SuperSpeed USB Device Capability:
  70. bLength 10
  71. bDescriptorType 16
  72. bDevCapabilityType 3
  73. bmAttributes 0x02
  74. Latency Tolerance Messages (LTM) Supported
  75. wSpeedsSupported 0x0008
  76. Device can operate at SuperSpeed (5Gbps)
  77. bFunctionalitySupport 3
  78. Lowest fully-functional device speed is SuperSpeed (5Gbps)
  79. bU1DevExitLat 0 micro seconds
  80. bU2DevExitLat 0 micro seconds
  81. Device Status: 0x0001
  82. Self Powered
  83.  
  84. Bus 001 Device 003: ID 0424:4041 Standard Microsystems Corp. Hub and media card controller
  85. Device Descriptor:
  86. bLength 18
  87. bDescriptorType 1
  88. bcdUSB 2.00
  89. bDeviceClass 0
  90. bDeviceSubClass 0
  91. bDeviceProtocol 0
  92. bMaxPacketSize0 64
  93. idVendor 0x0424 Standard Microsystems Corp.
  94. idProduct 0x4041 Hub and media card controller
  95. bcdDevice 2.09
  96. iManufacturer 1 Generic
  97. iProduct 2 Ultra Fast Media Reader
  98. iSerial 3 000008264001
  99. bNumConfigurations 1
  100. Configuration Descriptor:
  101. bLength 9
  102. bDescriptorType 2
  103. wTotalLength 0x0020
  104. bNumInterfaces 1
  105. bConfigurationValue 1
  106. iConfiguration 0
  107. bmAttributes 0x80
  108. (Bus Powered)
  109. MaxPower 96mA
  110. Interface Descriptor:
  111. bLength 9
  112. bDescriptorType 4
  113. bInterfaceNumber 0
  114. bAlternateSetting 0
  115. bNumEndpoints 2
  116. bInterfaceClass 8 Mass Storage
  117. bInterfaceSubClass 6 SCSI
  118. bInterfaceProtocol 80 Bulk-Only
  119. iInterface 0
  120. Endpoint Descriptor:
  121. bLength 7
  122. bDescriptorType 5
  123. bEndpointAddress 0x02 EP 2 OUT
  124. bmAttributes 2
  125. Transfer Type Bulk
  126. Synch Type None
  127. Usage Type Data
  128. wMaxPacketSize 0x0200 1x 512 bytes
  129. bInterval 1
  130. Endpoint Descriptor:
  131. bLength 7
  132. bDescriptorType 5
  133. bEndpointAddress 0x82 EP 2 IN
  134. bmAttributes 2
  135. Transfer Type Bulk
  136. Synch Type None
  137. Usage Type Data
  138. wMaxPacketSize 0x0200 1x 512 bytes
  139. bInterval 0
  140. Device Qualifier (for other device speed):
  141. bLength 10
  142. bDescriptorType 6
  143. bcdUSB 2.00
  144. bDeviceClass 0
  145. bDeviceSubClass 0
  146. bDeviceProtocol 0
  147. bMaxPacketSize0 64
  148. bNumConfigurations 1
  149. Device Status: 0x0000
  150. (Bus Powered)
  151.  
  152. Bus 001 Device 002: ID 0424:2640 Standard Microsystems Corp. USB 2.0 Hub
  153. Device Descriptor:
  154. bLength 18
  155. bDescriptorType 1
  156. bcdUSB 2.00
  157. bDeviceClass 9 Hub
  158. bDeviceSubClass 0
  159. bDeviceProtocol 1 Single TT
  160. bMaxPacketSize0 64
  161. idVendor 0x0424 Standard Microsystems Corp.
  162. idProduct 0x2640 USB 2.0 Hub
  163. bcdDevice 9.02
  164. iManufacturer 0
  165. iProduct 0
  166. iSerial 0
  167. bNumConfigurations 1
  168. Configuration Descriptor:
  169. bLength 9
  170. bDescriptorType 2
  171. wTotalLength 0x0019
  172. bNumInterfaces 1
  173. bConfigurationValue 1
  174. iConfiguration 0
  175. bmAttributes 0xe0
  176. Self Powered
  177. Remote Wakeup
  178. MaxPower 2mA
  179. Interface Descriptor:
  180. bLength 9
  181. bDescriptorType 4
  182. bInterfaceNumber 0
  183. bAlternateSetting 0
  184. bNumEndpoints 1
  185. bInterfaceClass 9 Hub
  186. bInterfaceSubClass 0
  187. bInterfaceProtocol 0 Full speed (or root) hub
  188. iInterface 0
  189. Endpoint Descriptor:
  190. bLength 7
  191. bDescriptorType 5
  192. bEndpointAddress 0x81 EP 1 IN
  193. bmAttributes 3
  194. Transfer Type Interrupt
  195. Synch Type None
  196. Usage Type Data
  197. wMaxPacketSize 0x0001 1x 1 bytes
  198. bInterval 12
  199. Hub Descriptor:
  200. bLength 9
  201. bDescriptorType 41
  202. nNbrPorts 3
  203. wHubCharacteristic 0x000d
  204. Per-port power switching
  205. Compound device
  206. Per-port overcurrent protection
  207. TT think time 8 FS bits
  208. bPwrOn2PwrGood 50 * 2 milli seconds
  209. bHubContrCurrent 1 milli Ampere
  210. DeviceRemovable 0x02
  211. PortPwrCtrlMask 0xff
  212. Hub Port Status:
  213. Port 1: 0000.0503 highspeed power enable connect
  214. Port 2: 0000.0100 power
  215. Port 3: 0000.0100 power
  216. Device Qualifier (for other device speed):
  217. bLength 10
  218. bDescriptorType 6
  219. bcdUSB 2.00
  220. bDeviceClass 9 Hub
  221. bDeviceSubClass 0
  222. bDeviceProtocol 0 Full speed (or root) hub
  223. bMaxPacketSize0 64
  224. bNumConfigurations 1
  225. Device Status: 0x0001
  226. Self Powered
  227.  
  228. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  229. Device Descriptor:
  230. bLength 18
  231. bDescriptorType 1
  232. bcdUSB 2.00
  233. bDeviceClass 9 Hub
  234. bDeviceSubClass 0
  235. bDeviceProtocol 1 Single TT
  236. bMaxPacketSize0 64
  237. idVendor 0x1d6b Linux Foundation
  238. idProduct 0x0002 2.0 root hub
  239. bcdDevice 5.09
  240. iManufacturer 3 Linux 5.9.0-1-librem5 xhci-hcd
  241. iProduct 2 xHCI Host Controller
  242. iSerial 1 xhci-hcd.4.auto
  243. bNumConfigurations 1
  244. Configuration Descriptor:
  245. bLength 9
  246. bDescriptorType 2
  247. wTotalLength 0x0019
  248. bNumInterfaces 1
  249. bConfigurationValue 1
  250. iConfiguration 0
  251. bmAttributes 0xe0
  252. Self Powered
  253. Remote Wakeup
  254. MaxPower 0mA
  255. Interface Descriptor:
  256. bLength 9
  257. bDescriptorType 4
  258. bInterfaceNumber 0
  259. bAlternateSetting 0
  260. bNumEndpoints 1
  261. bInterfaceClass 9 Hub
  262. bInterfaceSubClass 0
  263. bInterfaceProtocol 0 Full speed (or root) hub
  264. iInterface 0
  265. Endpoint Descriptor:
  266. bLength 7
  267. bDescriptorType 5
  268. bEndpointAddress 0x81 EP 1 IN
  269. bmAttributes 3
  270. Transfer Type Interrupt
  271. Synch Type None
  272. Usage Type Data
  273. wMaxPacketSize 0x0004 1x 4 bytes
  274. bInterval 12
  275. Hub Descriptor:
  276. bLength 9
  277. bDescriptorType 41
  278. nNbrPorts 1
  279. wHubCharacteristic 0x0009
  280. Per-port power switching
  281. Per-port overcurrent protection
  282. TT think time 8 FS bits
  283. bPwrOn2PwrGood 10 * 2 milli seconds
  284. bHubContrCurrent 0 milli Ampere
  285. DeviceRemovable 0x00
  286. PortPwrCtrlMask 0xff
  287. Hub Port Status:
  288. Port 1: 0000.0503 highspeed power enable connect
  289. Device Status: 0x0001
  290. Self Powered
  291.  
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