Messages in this thread | | | Date | Tue, 22 Feb 2022 11:23:03 +0000 | Subject | Re: [RFC][PATCH 1/2] dt-bindings: power: add Energy Model bindings | From | Lukasz Luba <> |
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On 2/22/22 11:15, Viresh Kumar wrote: > On 22-02-22, 11:03, Lukasz Luba wrote: >> OK, I misunderstood that. If that is possible than it would >> be great. I'm assuming you are taking about OPP v2. > > Yes. > >> I can relax the >> requirement that I need to provide this DT-EM for arm32, since they >> have a legacy OPP v1. > > OPP V2 or V1 doesn't have anything to do with arm32/64. Anyone can implement the > newer V2 version (basically whoever wants something more than a simple freq/volt > pair). So arm32 SoC's that want to use the DT-EM thing, should migrate to > opp-v2, we can't support that with opp-v1. > >> So we might have an entry similar that interconnect for the >> bandwidth, but for us it would be 'opp-power-uw'? > > I will rather say similar to opp-microvolt or opp-microamp, so it better be > opp-microwatt. > >> Let me have a look about some examples how that could be just >> added/extended in the opp table but from board file. >> If you have some handy link, I would be grateful. > > The file I provided earlier: > > arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts > > This is updating opp-microvolt property of a single OPP node in the whole table. > Pretty much like this only. >
Thanks, I'll use that example for the v2
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