diff --git a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml
index ade733cd60f7..b3c45c046ba5 100644
--- a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml
+++ b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml
@@ -42,6 +42,8 @@ examples:
 
     spi {
       spi-slave;
+      #address-cells = <0>;
+      #size-cells = <0>;
       ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>;
 
       slave {