Hi Andrei,

On Tue, Nov 20, 2018 at 9:08 AM [off-list ref] wrote:

On SAMA5D2 SoC the PIOBU pins do not lose their
voltage during Backup/Self-refresh mode. This can
be useful, for example, when the voltage must remain
positive for a peripheral during Backup/Self-refresh
mode (suspend-to ram is the Linux equivalent state).

v2:

This version looks good to me, I'm just waiting for a DT
binding review.

Yours,
Linus Walleij