meta-digi/meta-digi-dey/recipes-core/initscripts/initscripts-1.0/device_table.txt

#
# GPIO device nodes (LED2 and BUTTON2)
#
/dev/gpio       d    755    0    0
/dev/gpio/1     c    644    0    0    240   1
/dev/gpio/73    c    644    0    0    240   73
/dev/gpio/97    c    644    0    0    240   97
/dev/gpio/100   c    644    0    0    240   100
/dev/gpio/204   c    644    0    0    240   204