diff --git a/dts/arm/nxp/nxp_k6x.dtsi b/dts/arm/nxp/nxp_k6x.dtsi
index 000a729a9ff..b53bbd58baf 100644
--- a/dts/arm/nxp/nxp_k6x.dtsi
+++ b/dts/arm/nxp/nxp_k6x.dtsi
@@ -71,7 +71,10 @@
 			#size-cells = <1>;
 
 			flash0: flash@0 {
+				compatible = "soc-nv-flash";
 				reg = <0 0x100000>;
+
+				write-block-size = <8>;
 			};
 		};