[PATCH] dt-bindings: iio: imu: st,lsm6dsx: add mount-matrix property

[Martin Kepplinger]

Add the mount-matrix optional property to the binding since it's supported
and very useful when using the chip on a board.

Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
---
 Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
index b39f5217d8ff..443dce326c5e 100644
--- a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
+++ b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
@@ -93,6 +93,9 @@ properties:
   wakeup-source:
     $ref: /schemas/types.yaml#/definitions/flag
 
+  mount-matrix:
+    description: an optional 3x3 mounting rotation matrix
+
 required:
   - compatible
   - reg
@@ -114,6 +117,9 @@ examples:
             reg = <0x6b>;
             interrupt-parent = <&gpio0>;
             interrupts = <0 IRQ_TYPE_EDGE_RISING>;
+            mount-matrix =  "1",  "0",  "0",
+                            "0",  "1",  "0",
+                            "0",  "0", "-1";
         };
     };
 ...
-- 
2.30.2