Documentation: DT: lis302: update wakeup binding

This updated the documentation of the DT binding to
describe the added wakeup threshold and second wakeup
engine.

It also adds a note, that the axis values may be
negative.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/misc/lis302.txt b/Documentation/devicetree/bindings/misc/lis302.txt
index 6def86f6b053bea992004509bd812c4e56627aed..2a19bff9693fc55a7b61bb45dcf32963bc7f224a 100644 (file)
--- a/Documentation/devicetree/bindings/misc/lis302.txt
+++ b/Documentation/devicetree/bindings/misc/lis302.txt
@@ -46,11 +46,18 @@ Optional properties for all bus drivers:
                                interrupt 2
  - st,wakeup-{x,y,z}-{lo,hi}:  set wakeup condition on x/y/z axis for
                                upper/lower limit
+ - st,wakeup-threshold:                set wakeup threshold
+ - st,wakeup2-{x,y,z}-{lo,hi}: set wakeup condition on x/y/z axis for
+                               upper/lower limit for second wakeup
+                               engine.
+ - st,wakeup2-threshold:       set wakeup threshold for second wakeup
+                               engine.
  - st,highpass-cutoff-hz=:     1, 2, 4 or 8 for 1Hz, 2Hz, 4Hz or 8Hz of
                                highpass cut-off frequency
  - st,hipass{1,2}-disable:     disable highpass 1/2.
  - st,default-rate=:           set the default rate
- - st,axis-{x,y,z}=:           set the axis to map to the three coordinates
+ - st,axis-{x,y,z}=:           set the axis to map to the three coordinates.
+                               Negative values can be used for inverted axis.
  - st,{min,max}-limit-{x,y,z}  set the min/max limits for x/y/z axis
                                (used by self-test)