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config RT_DVFS_ROCKCHIP_CPUFREQ
    bool "Rockchip CPUfreq driver"
    depends on RT_USING_DVFS
    depends on RT_USING_OFW
    default y
    help
      Rockchip CPUfreq with OPP table parsing and optional nvmem
      bin/leakage voltage selection. Uses SCMI clock and DT cpu-supply
      regulator (e.g. FAN53555). Thermal throttling uses
      thermal-cool-dvfs on the cpufreq device.