1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
index 8d625f903856..6cd57863c1db 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
@@ -52,6 +52,8 @@ properties:
 required:
   - compatible
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>