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dt-bindings: thermal: Add cpu frequency cooling device

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Add cpu frequency cooling device to register with thermal framework.
This will enable userspace to limit CPU frequency.

Change-Id: I45b7afe70cf7e4dda3579f2a765604c908681a78
This commit is contained in:
Ram Chandrasekar
2021-05-24 15:08:27 -07:00
parent 31fa6cdb69
commit d3b13c07a6
1 changed files with 24 additions and 0 deletions
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bindings/thermal/qti-cpufreq-cdev.txt Normal file
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QTI CPU frequency cooling devices.
The CPU frequency cooling device will be used by userspace thermal daemon to
vote for frequency cap under thermal conditions. This driver will register a
cooling device for each CPU phandle specified in the devicetree.
Properties:
- compatible:
Usage: required
Value type: <string>
Definition: should be "qcom,cpufreq-cdev"
Cooling device node:
- qcom,cpus:
Usage: required
Value type: <list of CPU Phandles>
Definition: List of Phandles to the CPUs. Each CPU will be registered
as a separate cooling device with thermal framework.
Example:
qcom,cpufreq-cdev {
compatible = "qcom,cpufreq-cdev";
qcom,cpus = <&CPU0 &CPU4 &CPU7>;
};