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1SPEAr cpufreq driver2-------------------3 4SPEAr SoC cpufreq driver for CPU frequency scaling.5It supports both uniprocessor (UP) and symmetric multiprocessor (SMP) systems6which share clock across all CPUs.7 8Required properties:9- cpufreq_tbl: Table of frequencies CPU could be transitioned into, in the10 increasing order.11 12Optional properties:13- clock-latency: Specify the possible maximum transition latency for clock, in14 unit of nanoseconds.15 16Both required and optional properties listed above must be defined under node17/cpus/cpu@0.18 19Examples:20--------21cpus {22 23 <...>24 25 cpu@0 {26 compatible = "arm,cortex-a9";27 reg = <0>;28 29 <...>30 31 cpufreq_tbl = < 16600032 20000033 25000034 30000035 40000036 50000037 600000 >;38 };39 40 <...>41 42};43