root@am62xx-evm:~# cd /sys/devices/system/cpu/cpufreq/policy0/
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# ls -l
total 0
-r--r--r-- 1 root root 4096 Jan  1 00:00 affected_cpus
-r-------- 1 root root 4096 Jan  1 00:00 cpuinfo_cur_freq
-r--r--r-- 1 root root 4096 Jan  1 00:00 cpuinfo_max_freq
-r--r--r-- 1 root root 4096 Jan  1 00:00 cpuinfo_min_freq
-r--r--r-- 1 root root 4096 Jan  1 00:00 cpuinfo_transition_latency
-r--r--r-- 1 root root 4096 Jan  1 00:00 related_cpus
-r--r--r-- 1 root root 4096 Jan  1 00:00 scaling_available_frequencies
-r--r--r-- 1 root root 4096 Jan  1 00:00 scaling_available_governors
-r--r--r-- 1 root root 4096 Jan  1 00:00 scaling_cur_freq
-r--r--r-- 1 root root 4096 Jan  1 00:00 scaling_driver
-rw-r--r-- 1 root root 4096 Jan  1 00:04 scaling_governor
-rw-r--r-- 1 root root 4096 Jan  1 00:00 scaling_max_freq
-rw-r--r-- 1 root root 4096 Jan  1 00:00 scaling_min_freq
-rw-r--r-- 1 root root 4096 Jan  1 00:08 scaling_setspeed
drwxr-xr-x 2 root root    0 Jan  1 00:00 stats
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat cpuinfo_cur_freq ###Current CPU Frequency in kHz
1000000
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat scaling_available_governors ###Available Governors
ondemand userspace performance schedutil
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat scaling_governor ###Currently Governor = schedutil
schedutil
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# echo userspace > scaling_governor ###schedutil --> userspace
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat scaling_governor
userspace
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat scaling_available_frequencies ###Available CPU Speeds in khz
200000 400000 600000 800000 1000000 1250000 1400000
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# echo 1000000 > scaling_setspeed ###Change speed (in khz)
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# cat cpuinfo_cur_freq
1000000
root@am62xx-evm:/sys/devices/system/cpu/cpufreq/policy0# k3conf --cpuinfo ###Verified that speed is changed

具有 0.85V 核心电压的器件的最大运行速度为 1400MHz，具有 0.75V 核心电压的器件的最大运行速度为 1250MHz。