[U-Boot] [PATCH 4/7] sunxi: power: Change A23/A33 VDD-SYS default from 1.2V to 1.1V

[Chen-Yu Tsai]

On Sat, Oct 3, 2015 at 10:26 PM, Hans de Goede <hdegoede at redhat.com> wrote:
> Change the axp223 dcdc2 / VDD-SYS default from 1.2V to 1.1V, 1.1V is the
> value recommended by Allwinner and is what most fex files specify.
>
> This has been tested on a number of A23/A33 tablets including on an
> A23 Ippo-q8h-v1.2 PCB tablet which has a fex file which specifies 1.2V
> (which is where our original 1.2V default comes from).
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

We should also be able to drop the VDD-SYS voltage for A31/A31s, which is
from DCDC4, as well.

Furthermore, DCDC2 on AXP221/sun6i is normally powering the GPU,
in spite of the reference design using it for the CPU.

Regards
ChenYu