Hi Lucas, On Mon, May 10, 2021 at 4:00 PM Lucas Stach <l.stach@xxxxxxxxxxxxxx> wrote: > > From: Lucas Stach <dev@xxxxxxxxxx> > > This adds the description of the Nitrogen8 System on Module. The module > is quite simple with only a few (almost) fixed regulators and a eMMC > on-board. > > The eMMC is currently limited to 50MHz modes via the pinctrl, as the board > has not wired up the data strobe line, which prevents HS400 mode from > working. As both the controller and the eMMC support this mode, it is > automatically selected when we allow the faster modes, leading to failing > transfers. Until we have a proper solution to only disable HS400 mode, > keep the eMMC at the slow bus modes. > > Signed-off-by: Lucas Stach <dev@xxxxxxxxxx> Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>