Thanks for fast reply. I did similar change before. I decompiled
am335-boneblack.dtb and changed following section to:
oppnitro@1000000000 {
opp-hz = <0x0 0x3b9aca00>;
opp-microvolt = <0x1437c8 0x13d044 0x149f4c>;
opp-supported-hw = <0x06 0x0100>;
};
But after reboot nothing changed. Obviously you meant to do it some other
way.
Dne pátek 23. března 2018 15:06:16 UTC+1 RobertCNelson napsal(a):
>
> On Fri, Mar 23, 2018 at 9:01 AM, Filip Kotouček <[email protected]
> <javascript:>> wrote:
> > Hello,
> >
> > I have problem with setting cpu freq to 1 GHz. I'm using OSD335x RED
> board.
> > I downloaded latest Beaglebone image and installed different kernel. I
> need
> > to use UIO driver which is not present in latest kernel.
>
> So this is fixed as of yesterday...
>
>
> > Setting frequency via cpufreq-set -f has no effect. I already tried to
> use
> > DC power supply, but same result. I found that different kernels has
> > different settings. Is it possible to change dts to fix it and force cpu
> to
> > run @1 GHz?
>
> add this node:
>
> &cpu0_opp_table {
> oppnitro@1000000000 {
> opp-supported-hw = <0x06 0x0100>;
> };
> };
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
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