dt-bindings: property-units: Add picoseconds type

Add the '-ps' picosecond unit suffix for property names.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/property-units.txt b/Documentation/devicetree/bindings/property-units.txt
index c80a110c1e26672c0693ecbccbe187f7fc2116b0..218f99fa311f1881628549174c026e91c7bf11d7 100644 (file)
--- a/Documentation/devicetree/bindings/property-units.txt
+++ b/Documentation/devicetree/bindings/property-units.txt
@@ -17,6 +17,7 @@ Time/Frequency
 -ms            : millisecond
 -us            : microsecond
 -ns            : nanosecond
+-ps            : picosecond
 
 Distance
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