Hi,
so I installed pciutils package and here is the command output:
root@OpenWrt:/# lspci -v
00:00.0 PCI bridge: Ralink corp. Device 0801 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at 20200000 (32-bit, non-prefetchable) [size=64K]
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: 20000000-201fffff
Expansion ROM at <unassigned> [disabled] [size=2]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Port (Slot-), MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
lspci: Unable to load libkmod resources: error -12
01:00.0 Network controller: MEDIATEK Corp. Device 7650
Subsystem: MEDIATEK Corp. Device 7650
Flags: bus master, fast devsel, latency 0, IRQ 4
Memory at 20000000 (32-bit, non-prefetchable) [size=1M]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Expansion ROM at <unassigned> [disabled] [size=2]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-00-ff-ff-ff-ff-ff-ff
Capabilities: [150] Latency Tolerance Reporting
01:00.1 Bluetooth: MEDIATEK Corp. Device 8650
Subsystem: MEDIATEK Corp. Device 8650
Flags: bus master, fast devsel, latency 0, IRQ 4
Memory at 20100000 (32-bit, non-prefetchable) [size=1M]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Memory at <unassigned> (32-bit, non-prefetchable) [size=2]
Expansion ROM at <unassigned> [disabled] [size=2]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-00-ff-ff-ff-ff-ff-ff
Capabilities: [150] Latency Tolerance Reporting
I also modified the serial port speed in the DTS file. Original speed is 115200 and OpenWRT speed was 57600.