Component · Embedded Software & Tools
Common Clock Framework
The Linux subsystem that models an SoC's clock tree as gates, dividers and multiplexers with reference counting, so drivers request rates rather than poke registers.
It automatically gates clocks nothing is using.
- Also known as
- CCF, clk framework
- Type
- Component
- Domain
- Embedded Software & Tools, Embedded Linux and drivers
Notes
Forgetting to enable a clock is the most common reason a freshly written Linux driver reads all zeros from its registers.
Related terms
Part of the Embedded Software & Tools glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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