[PATCH] rockchip: rockpro64: Set cooling levels for pwm-fan

[Kurt Miller]

On Fri, 2020-05-29 at 13:00 -0600, Simon Glass wrote:
> Hi Kurt,
> 
> On Fri, 29 May 2020 at 06:42, Kurt Miller <kurt at intricatesoftware.com> wrote:
> > 
> > 
> > On Fri, 2020-05-29 at 09:27 +0100, Peter Robinson wrote:
> > > 
> > > On Thu, May 28, 2020 at 8:32 PM Kurt Miller <kurt at intricatesoftware.com> wrote:
> > > > 
> > > > 
> > > > 
> > > > The cooling levels are tuned to the fan that comes with the rockpro64 NAS
> > > > case. A gpu_thermal zone was not added because having two active cooling
> > > > maps control one physical fan causes them to compete for the fan speed
> > > > which results in erratic fan behavior.
> > > Is there any reason this shouldn't go to the linux kernel first and
> > > then be synced back to the standard rk3399-rockpro64.dtsi?
> > Is that a requirement? I do my primary development on OpenBSD and
> > while I use Linux for work tasks, I don't have available time right
> > now to push these changes to Linux kernel first.
> > 
> The problem is that we need to keep Linux and U-Boot in sync. If a DT
> change is submitted only to one then it isn't clear who is taking on
> the task of syncing them up.
> 
> You don't actually need to be using Linux to send a DT change - just
> clone Linux, apply your patch and send to devicetree at vger.kernel.org.
> I wonder if it would be good enough to cc that group and the Linux
> maintainer on these patches, assuming the files are currently in sync?
> But probably a new patch is needed.
> 

Thank you for the pointers. I'll give that a try.

Best,
-Kurt