diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
index a39efcbeebff..7554ab2368e5 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
@@ -379,6 +379,11 @@ &main_pktdma {
 	bootph-all;
 };
 
+/* main_rti4 is used by C7x DSP */
+&main_rti4 {
+	status = "reserved";
+};
+
 &mcu_r5fss0 {
 	status = "okay";
 };