diff --git a/arch/arm/dts/k3-am69-r5-sk.dts b/arch/arm/dts/k3-am69-r5-sk.dts
index f177f563527..4d6aab5ccc3 100644
--- a/arch/arm/dts/k3-am69-r5-sk.dts
+++ b/arch/arm/dts/k3-am69-r5-sk.dts
@@ -97,6 +97,12 @@
 	      <0x0 0x58000000 0x0 0x8000000>;
 };
 
+&fss {
+	/* enable ranges missing from the FSS node */
+	ranges = <0x0 0x47000000 0x0 0x47000000 0x0 0x00068400>,
+	         <0x0 0x50000000 0x0 0x50000000 0x0 0x08000000>;
+};
+
 &mcu_ringacc {
 	ti,sci = <&dm_tifs>;
 };