Devfreq is a kernel framework that lets non-CPU devices such as memory controllers, GPUs, and SoC interconnects scale their operating frequency up and down based on load. It provides shared governor logic (simple-on-demand, performance, powersave, userspace) that individual SoC drivers plug into rather than reimplementing themselves.
This is not a hardware driver but the devfreq subsystem itself, providing the common frequency-scaling infrastructure and governors that SoC-specific drivers build on top of. As core infrastructure used widely across ARM platforms, it is not a candidate for removal.
repository signals
24files
9,988source lines
122commits, 5y
+3,536 / −1,073lines added / removed, 5y
55authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 122 total · active in 37/61 months
sources
No sources cited.
codex reasoning notes (technical)
Not a driver directory: this is the devfreq subsystem directory containing framework/governor code and mixed support files, not a single kernel-bound hardware driver family.