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Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/max6650.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/max6650.txt b/Documentation/devicetree/bindings/hwmon/max6650.txt index d6c10e3680cb..f6bd87d8e284 100644 --- a/Documentation/devicetree/bindings/hwmon/max6650.txt +++ b/Documentation/devicetree/bindings/hwmon/max6650.txt @@ -13,6 +13,10 @@ Optional properties, default is to retain the chip's current setting: - maxim,fan-prescale : Pre-scaling value, as per datasheet [1]. Lower values allow more fine-grained control of slower fans. Valid: 1, 2, 4, 8, 16. +- maxim,fan-target-rpm: Initial requested fan rotation speed. If specified, the + driver selects closed-loop mode and the requested speed. + This ensures the fan is already running before userspace + takes over. Example: fan-max6650: max6650@1b { @@ -20,4 +24,5 @@ Example: compatible = "maxim,max6650"; maxim,fan-microvolt = <12000000>; maxim,fan-prescale = <4>; + maxim,fan-target-rpm = <1200>; }; |