Apart from what Krzysztof already said: On 12-10-21, 10:51, Krzysztof Kozlowski wrote: > On 11/10/2021 18:57, Hector Martin wrote: > > + pcluster_opp: opp-table-1 { > > + compatible = "operating-points-v2"; > > + opp-shared; > > + > > + opp01 { > > + opp-hz = /bits/ 64 <600000000>; > > + opp-microvolt = <781000>; > > + opp-level = <1>; The opp-level thing wasn't designed to work this way, though it may work just fine. It was designed as a unique key for power-domains, which don't have opp-hz. The OPP core currently looks at 3 different values, which can act as a unique key to identify the OPP. clk-rate, bandwidth and level. I think this is the first platform which has both hz and level in the CPUs OPP table. What exactly is level in this case ? Again, it may work fine, I just don't know where it may end up breaking :) -- viresh