why bsp33 /sys/devices/system/cpu/cpufreq is empty?

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why bsp33 /sys/devices/system/cpu/cpufreq is empty?

567 Views
tomhan
Contributor II

hi,

I has set config as follow,but cpufreq is empty:

 

# CONFIG_UCLAMP_TASK is not set
# CONFIG_ENERGY_MODEL is not set
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_ATTR_SET=y
CONFIG_CPU_FREQ_STAT=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y

#
# CPU frequency scaling drivers
#
# CONFIG_CPUFREQ_DT is not set
CONFIG_ARM_SCMI_CPUFREQ=y
CONFIG_PM_OPP=y

 

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3 Replies

547 Views
MayanksPatel
NXP Employee
NXP Employee

Hi @tomhan,

Thank you for reaching out to us.

Can you please share board details here for which board you are trying cpufreq?

 

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543 Views
tomhan
Contributor II

hi,

s32g274a bsp33,thanks

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516 Views
MayanksPatel
NXP Employee
NXP Employee

Hi @tomhan,

BSP33 release does not support Frequency Scaling. In BSP35 added support for this.

 

Thanks,

Mayank S Patel

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