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>

1 files changed, 8 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/misc/lis302.txt b/Documentation/devicetree/bindings/misc/lis302.txt
index 6def86f6b053..2a19bff9693f 100644
--- 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)