On Thu, Nov 1, 2018 at 1:21 PM A.s. Dong <aisheng.dong@xxxxxxx> wrote: > But for SD card with a single supply, GPIO regulator seems enough to me. > That's also the using in past years. Are things changed? Ok, now it clear you are describing the micro SD port and not the eMMC, so: Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>