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2b5066a3a1
IPQ5424 have different OPPs available for the CPU based on SoC variant. This can be determined through use of an eFuse register present in the silicon. Added support for ipq5424 on nvmem driver which helps to determine OPPs at runtime based on the eFuse register which has the CPU frequency limits. opp-supported-hw dt binding can be used to indicate the available OPPs for each limit. nvmem driver also creates the "cpufreq-dt" platform_device after passing the version matching data to the OPP framework so that the cpufreq-dt handles the actual cpufreq implementation. Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com> Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> [ Changed '!=' based check to '==' based check ] Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>