linux-stable/Documentation/devicetree/bindings/property-units.txt
Geert Uytterhoeven 573748081a dt-bindings: property-units: Sanitize unit naming
Make the naming of units consistent with common practices:
  - Do not capitalize the first character of units ("Celsius" is
    special, as it is not the unit name, but a reference to its
    proposer),
  - Do not use plural for units,
  - Do not abbreviate "ampere",
  - Concatenate prefixes and units (no spaces or hyphens),
  - Separate units by spaces not hyphens,
  - "milli" applies to "degree", not to "Celsius".

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-06-13 14:29:43 -06:00

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Standard Unit Suffixes for Property names
Properties which have a unit of measure are recommended to have a unit
suffix appended to the property name. The list below contains the
recommended suffixes. Other variations exist in bindings, but should not
be used in new bindings or added here. The inconsistency in the unit
prefixes is due to selecting the most commonly used variants.
It is also recommended to use the units listed here and not add additional
unit prefixes.
Time/Frequency
----------------------------------------
-mhz : megahertz
-hz : hertz (preferred)
-sec : second
-ms : millisecond
-us : microsecond
-ns : nanosecond
Distance
----------------------------------------
-mm : millimeter
Electricity
----------------------------------------
-microamp : microampere
-microamp-hours : microampere hour
-ohms : ohm
-micro-ohms : microohm
-microwatt-hours: microwatt hour
-microvolt : microvolt
-picofarads : picofarad
-femtofarads : femtofarad
Temperature
----------------------------------------
-celsius : degree Celsius
-millicelsius : millidegree Celsius
Pressure
----------------------------------------
-kpascal : kilopascal