diff --git a/arch/arm64/boot/dts/ti/k3-am623-pfc-750-84xx-wosm.dtsi b/arch/arm64/boot/dts/ti/k3-am623-pfc-750-84xx-wosm.dtsi
index d4425da2fbd7..b3e3a9e75c88 100644
--- a/arch/arm64/boot/dts/ti/k3-am623-pfc-750-84xx-wosm.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am623-pfc-750-84xx-wosm.dtsi
@@ -39,8 +39,9 @@
 	memory@80000000 {
 		device_type = "memory";
 
-		/* 2 GiB RAM - Workaround: reduced from 4 GiB due to incompatibilities */
-		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
+		/* 4 GiB RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
+		      <0x00000008 0x80000000 0x00000000 0x80000000>;
 	};
 
 	vcc_1v8_sys: regulator-4 {