* Generic OPP Interface SoCs have a standard set of tuples consisting of frequency and voltage pairs that the device will support per voltage domain. These are called Operating Performance Points or OPPs. Properties: - operating-points: An array of 2-tuples items, and each item consists of frequency and voltage like . freq: clock frequency in kHz vol: voltage in microvolt Examples: cpu@0 { compatible = "arm,cortex-a9"; reg = <0>; next-level-cache = <&L2>; operating-points = < /* kHz uV */ 792000 1100000 396000 950000 198000 850000 >; };