Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  5 ttyprintk
  7 vcs
 10 misc
 13 input
 21 sg
 29 fb
 89 i2c
108 ppp
128 ptm
136 pts
180 usb
189 usb_device
204 ttyAMA
204 ttyMAX
207 ttymxc
226 drm
237 hidraw
238 rpmb
239 ttyDBC
240 ttyOWL
241 ttyMSM
242 bsg
243 watchdog
244 remoteproc
245 ptp
246 pps
247 rtc
248 dma_heap
249 dax
250 dimmctl
251 ndctl
252 tpm
253 ttyMV
254 gpiochip
261 accel

Block devices:
  7 loop
  8 sd
  9 md
 11 sr
 65 sd
 66 sd
 67 sd
 68 sd
 69 sd
 70 sd
 71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
179 mmc
252 device-mapper
253 virtblk
254 mdp
259 blkext