diff --git a/overlay/tegra234-p3740-0002+p3701-0008-safety.dts b/overlay/tegra234-p3740-0002+p3701-0008-safety.dts
index ba14535..ff16553 100644
--- a/overlay/tegra234-p3740-0002+p3701-0008-safety.dts
+++ b/overlay/tegra234-p3740-0002+p3701-0008-safety.dts
@@ -68,6 +68,13 @@
 				status = "okay";
 				channelid_list = <3>;
 			};
+
+			hsierrrptinj {
+				compatible = "nvidia,tegra23x-hsierrrptinj";
+				mboxes = <&hsp_top0 (TEGRA_HSP_MBOX_TYPE_SM | TEGRA_HSP_MBOX_TYPE_SM_128BIT) TEGRA_HSP_SM_TX(1)>;
+				mbox-names = "hsierrrptinj-tx";
+				status = "okay";
+			};
 		};
 	};