what's the CPU max frequence?

[murphy1]

I am working on MCIMX6Y2DVM05AB, datasheet show it's max frequence is 528Mhz, but I get the real time cpu frequence using "cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq" , I get 900000, means CPU run at 900Mhz, why the max frequence is not 528M? I am confused about this.

[murphy1]

I know the problem now, as for imx6ull, the default max cpu frequence in linux device tree is 900Mhz, so I need to limit the frequence to 528Mhz in user space or device tree.

[kunalkotecha1]

Hi murphy,

Please double check the part number information and also try mapping the same with the U-boot logs. At boot time U-boot will print the board revision and other details. Are those matching with your part number? Can you please send the U-boot logs?

Regards,

Kunal