[linux-sunxi] Re: [PATCH 2/3] ARM: dts: sun6i: Turn on gmac on Colombus

Chen-Yu Tsai wens at csie.org
Thu Aug 20 07:54:51 PDT 2015


On Thu, Aug 20, 2015 at 2:23 PM, Hans de Goede <hdegoede at redhat.com> wrote:
> Hi,
>
> On 08/19/2015 05:17 PM, Maxime Ripard wrote:
>>
>> On Fri, Aug 07, 2015 at 05:22:34PM +0200, Hans de Goede wrote:
>>>
>>> We've everything we need to support the gmac on Colombus, turn it on.
>>>
>>> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
>>
>>
>> I recall that the phy was powered by one of the AXP221 regulators,
>> does it require some additional stuff (like a recent u-boot), or does
>> it just work and my memory is bad :) ?
>
>
> I think it just works, it MAY be connected to aldo1 but according to
> the git history for the u-boot defconfig that one is used for wifi not
> for the gmac, and we do not enable any other "spare" regulators in the
> u-boot config.
>
> I do not have any schematics, so no way to say for sure.
>
> I can confirm that the GMAC work fine with the latest u-boot
> master. Looking in the history we've always enabled ALDO1
> on the Colombus in upstream u-boot, so this should all just work.

Could you test it with ALDO1 disabled in U-boot? That should give us
an answer.

ChenYu



More information about the linux-arm-kernel mailing list