Re: [PATCH] arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+

[Neil Armstrong]

Hi,

On 18/10/2022 23:16, Martin Blumenstingl wrote:
> Hello Anand,
>
> On Tue, Oct 18, 2022 at 9:53 PM Anand Moon <linux.amoon@xxxxxxxxx> wrote:
> > Odroid N2/N2+ support active cooling via gpio-fan controller.
> > Add fan controls and tip point for cpu and ddr thermal sensor
> > on this boards.
> In the schematics for board rev 0.6 [0] I cannot find any information
> about a fan connector.
> The schematics for board rev 0.3 [1] on the other hand document a PWM
> based fan connector on page 16.

It seems the fan connector is on page 41 on rev 0.6 and it seems to be the same.

> So now I am not sure whether your patch only applies to certain board
> revisions, the schematics are incorrect, etc.
>
> Can you please provide some details about the fan connector on
> Odroid-N2/N2+ and which hardware revisions are supported (and which
> aren't) by your patch?
>
>
> Thank you!
> Martin
>
>
> [0] https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.6_20210121.pdf
> [1] https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.3_20190117.pdf

Neil