On Wed, Jan 24, 2018 at 10:29 AM, Fabio Estevam <festevam at gmail.com> wrote: > Try looking at existing supported boards that use KSZ9021, such as > board/boundary/nitrogen6x/nitrogen6x.c for example. Or also the mx6 udoo board (board/udoo/udoo.c) : http://download.udoo.org/files/schematics/UDOO_REV_D_schematics.pdf