[PATCH] riscv: dts: spacemit: orangepi-rv2: Add cpu scaling for K1, SoC

[Vincent Legoll]

[RESEND] as I cannot see yesterday's


Hello,



I tested (on OrangePi RV2) the attached patch applied over

spacemit/for-next + Shuwei Wu's V3 series.


This is a copy/paste of Shuwei Wu's work, so I don't know

if I can submit this with my SoB or if it should be done

differently, please advise.


Anyways, you can add my:

Tested-by: Vincent Legoll <vincent.legoll at gmail.com> # OrangePi-RV2


To the relevant patches from your series, if that's useful,

because it looks like it is working properly:


On Void linux (musl libc):


uname -a
Linux opirv2 7.1.0-rc1-00043-gb860bca13be4 #14 SMP PREEMPT Sat Jun 13 
11:02:13 CEST 2026 riscv64 GNU/Linux

awk --version | head -1
GNU Awk 5.3.2, API 4.0

echo userspace > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor

echo 1600000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
time awk 'BEGIN{for(i=0;i<1000000;i++){}}'
real    0m0.300s
user    0m0.299s
sys     0m0.001s

echo 1228800 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
time awk 'BEGIN{for(i=0;i<1000000;i++){}}'
real    0m0.432s
user    0m0.429s
sys     0m0.004s

echo 1000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
time awk 'BEGIN{for(i=0;i<1000000;i++){}}'
real    0m0.476s
user    0m0.476s
sys     0m0.001s

echo 819000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
time awk 'BEGIN{for(i=0;i<1000000;i++){}}'
real    0m0.582s
user    0m0.581s
sys     0m0.001s

echo 614400 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
time awk 'BEGIN{for(i=0;i<1000000;i++){}}'
real    0m0.778s
user    0m0.773s
sys     0m0.005s

-- 

Vincent Legoll

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