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-rw-r--r--Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
index a079c9921af6..ada55f186f3c 100644
--- a/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
@@ -42,6 +42,8 @@ required:
- compatible
- ping-gpios
+additionalProperties: false
+
examples:
- |
#include <dt-bindings/gpio/gpio.h>