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-rw-r--r--xyz/openbmc_project/Control/CFMLimit.interface.yaml10
1 files changed, 10 insertions, 0 deletions
diff --git a/xyz/openbmc_project/Control/CFMLimit.interface.yaml b/xyz/openbmc_project/Control/CFMLimit.interface.yaml
new file mode 100644
index 0000000..5946f3c
--- /dev/null
+++ b/xyz/openbmc_project/Control/CFMLimit.interface.yaml
@@ -0,0 +1,10 @@
+description: >
+ Implement to provide a CFM upper limit for fan control.
+ This can be used with a CFM algorithm to calculate the
+ maximum allowed fan speed for a system.
+
+properties:
+ - name: Limit
+ type: double
+ description: >
+ The CFM limit, 0 means disabled.
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