Seems the voltage bit defenitions in sdmmcreg.h for voltages below 2V
are not quite right. At least I can't find them in any of the MMC and
SD card documentation I can find on the interwebs. Instead there is a
single "low voltage bit" that indicates support for the 1.65-1.95V or
1.70-1.95V range
> Date: Mon, 11 Jan 2016 00:50:23 +1100
> From: Jonathan Gray
>
> On Sun, Jan 10, 2016 at 12:34:56PM +0100, Mark Kettenis wrote:
> > Seems the voltage bit defenitions in sdmmcreg.h for voltages below 2V
> > are not quite right. At least I can't find them in any of the MMC and
>