This is not a complete pattern, only the chart I used for my Jogans-socks as inspiration for your own sock creations added by some notes which will be helpful.

Knit your sock as usual top down or toe up and add the gansey pattern you like. I love to knit them toe up.
Helpful links:
Brainless by Yarnissima
Basic Toe Ups by Ingrid Hiddessen
both in English and German

Have fun!