diff --git a/devicemodel/core/main.c b/devicemodel/core/main.c
index bc6de4d1b..6963a0271 100644
--- a/devicemodel/core/main.c
+++ b/devicemodel/core/main.c
@@ -92,6 +92,7 @@ bool lapic_pt;
 bool is_rtvm;
 bool pt_tpm2;
 bool pt_rtct;
+bool vtpm2;
 bool is_winvm;
 bool skip_pci_mem64bar_workaround = false;
 
@@ -945,7 +946,8 @@ main(int argc, char *argv[])
 			pt_rtct = true;
 			break;
 		case CMD_OPT_ACPIDEV_PT:
-			if (parse_pt_acpidev(optarg) != 0)
+			/* FIXME: check acpi TPM device rules in acpi device famework init functions */
+			if (vtpm2 || parse_pt_acpidev(optarg) != 0)
 				errx(EX_USAGE, "invalid pt acpi dev param %s", optarg);
 			break;
 		case CMD_OPT_MMIODEV_PT:
diff --git a/devicemodel/hw/platform/tpm/tpm.c b/devicemodel/hw/platform/tpm/tpm.c
index 353624082..6a656c0f5 100644
--- a/devicemodel/hw/platform/tpm/tpm.c
+++ b/devicemodel/hw/platform/tpm/tpm.c
@@ -73,6 +73,7 @@ int acrn_parse_vtpm2(char *arg)
 			return -1;
 		strncpy(sock_path, value, len + 1);
 	}
+	vtpm2 = true;
 
 	return 0;
 }
diff --git a/devicemodel/include/dm.h b/devicemodel/include/dm.h
index 3e8e6b23d..89f3df68d 100644
--- a/devicemodel/include/dm.h
+++ b/devicemodel/include/dm.h
@@ -52,6 +52,7 @@ extern bool lapic_pt;
 extern bool is_rtvm;
 extern bool pt_tpm2;
 extern bool pt_rtct;
+extern bool vtpm2;
 extern bool is_winvm;
 
 int vmexit_task_switch(struct vmctx *ctx, struct vhm_request *vhm_req,