digraph board { rankdir=TB n00000001 [label="{{ 0} | amd isp4\n | { 1}}", shape=Mrecord, style=filled, fillcolor=green] n00000001:port1 -> n00000004 [style=bold] n00000004 [label="Preview\n/dev/video0", shape=box, style=filled, fillcolor=yellow] n0000000a [label="{{} | ov05c10 22-0010\n/dev/v4l-subdev0 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] n0000000a:port0 -> n00000001:port0 [style=bold] }