pcib1@pci0:0:0:0: class=0x060400 rev=0x00 hdr=0x01 vendor=0x14e4 device=0x2711 subvendor=0x0000 subdevice=0x0000 vendor = 'Broadcom Inc. and subsidiaries' device = 'BCM2711 PCIe Bridge' class = bridge subclass = PCI-PCI cap 01[48] = powerspec 3 supports D0 D3 current D0 cap 10[ac] = PCI-Express 2 root port max data 128(512) RO NS max read 512 link x1(x1) speed 5.0(5.0) ClockPM disabled ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected ecap 000b[180] = Vendor [1] ID 0000 Rev 0 Length 40 ecap 001e[240] = L1 PM Substates 1 bcm_xhci0@pci0:1:0:0: class=0x0c0330 rev=0x01 hdr=0x00 vendor=0x1106 device=0x3483 subvendor=0x1106 subdevice=0x3483 vendor = 'VIA Technologies, Inc.' device = 'VL805/806 xHCI USB 3.0 Controller' class = serial bus subclass = USB bar [10] = type Memory, range 64, base 0xc0000000, size 4096, enabled cap 01[80] = powerspec 3 supports D0 D3 current D0 cap 05[90] = MSI supports 4 messages, 64 bit enabled with 1 message cap 10[c4] = PCI-Express 2 endpoint max data 128(256) RO NS max read 512 link x1(x1) speed 5.0(5.0) ASPM L0s/L1(L0s/L1) ClockPM disabled ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected