diff --git a/drivers/misc/mods/Makefile b/drivers/misc/mods/Makefile
index 165d50b2..f7b5b037 100644
--- a/drivers/misc/mods/Makefile
+++ b/drivers/misc/mods/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_MODS)                 := mods.o
 mods-y                             := mods_krnl.o
 mods-y                             += mods_mem.o
 mods-y                             += mods_irq.o
+mods-$(CONFIG_ARCH_TEGRA)          += mods_tz.o
 mods-$(CONFIG_COMMON_CLK)          += mods_clock.o
 mods-$(CONFIG_ARCH_TEGRA)          += mods_tegraprod.o
 mods-$(CONFIG_ARCH_TEGRA_19x_SOC)  += mods_ras.o
diff --git a/drivers/misc/mods/mods_internal.h b/drivers/misc/mods/mods_internal.h
index e0544f8f..73117a3e 100644
--- a/drivers/misc/mods/mods_internal.h
+++ b/drivers/misc/mods/mods_internal.h
@@ -693,6 +693,9 @@ int esc_mods_tegra_prod_set_prod_by_name(struct mods_client *client,
 int esc_mods_tegra_prod_set_prod_exact(struct mods_client *client,
 	struct MODS_TEGRA_PROD_SET_TUPLE *tuple);
 
+/* trustzone app call */
+int esc_mods_send_trustzone_msg(struct mods_client         *client,
+	struct MODS_TZ_PARAMS      *p);
 #endif
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/misc/mods/mods_krnl.c b/drivers/misc/mods/mods_krnl.c
index 7aa6e281..9c7ceebb 100644
--- a/drivers/misc/mods/mods_krnl.c
+++ b/drivers/misc/mods/mods_krnl.c
@@ -2541,6 +2541,11 @@ static long mods_krnl_ioctl(struct file  *fp,
 			   esc_mods_tegra_prod_iterate_dt,
 			   MODS_TEGRA_PROD_ITERATOR);
 		break;
+
+	case MODS_ESC_SEND_TZ_MSG:
+		MODS_IOCTL(MODS_ESC_SEND_TZ_MSG,
+			esc_mods_send_trustzone_msg, MODS_TZ_PARAMS);
+		break;
 #endif
 
 	case MODS_ESC_ACQUIRE_ACCESS_TOKEN:
diff --git a/drivers/misc/mods/mods_tz.c b/drivers/misc/mods/mods_tz.c
new file mode 100644
index 00000000..f61a04c3
--- /dev/null
+++ b/drivers/misc/mods/mods_tz.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include "mods_internal.h"
+
+#include <linux/trusty/trusty_ipc.h>
+
+#define MODS_PORT "com.nvidia.srv.mods"
+
+int esc_mods_send_trustzone_msg(struct mods_client         *client,
+				struct MODS_TZ_PARAMS      *p)
+{
+	int ret;
+	void *chan_ctx = NULL;
+
+	ret = te_open_trusted_session(MODS_PORT, &chan_ctx);
+	if (ret < 0) {
+		cl_error("Couldn't open connection mods service\n");
+		goto error;
+	}
+
+	ret = te_launch_trusted_oper(p->buf, p->buf_size, p->cmd, chan_ctx);
+	if (ret < 0) {
+		cl_error("Trusted operation failed\n");
+		goto error;
+	}
+
+error:
+	p->status = ret;
+	if (chan_ctx)
+		te_close_trusted_session(chan_ctx);
+	return ret;
+}
+
diff --git a/include/uapi/misc/mods.h b/include/uapi/misc/mods.h
index 03f8dfd7..fda0f329 100644
--- a/include/uapi/misc/mods.h
+++ b/include/uapi/misc/mods.h
@@ -1780,6 +1780,21 @@ struct MODS_IOMMU_DMA_MAP_MEMORY {
 	__u64 physical_address;
 };
 
+#define MAX_TZ_BUFFER_SIZE 512
+/* Used by MODS_ESC_SEND_TZ_MSG.
+ *
+ * Available only on Tegra.
+ */
+struct MODS_TZ_PARAMS {
+	/* IN */
+	__u8 buf[MAX_TZ_BUFFER_SIZE];
+	__u32 buf_size;
+	__u32 cmd;
+
+	/* OUT */
+	int status;
+};
+
 #define MODS_IOMMU_MAP_CONTIGUOUS 1
 
 #pragma pack(pop)
@@ -1979,5 +1994,6 @@ struct MODS_IOMMU_DMA_MAP_MEMORY {
 #define MODS_ESC_MODS_GET_DRIVER_STATS MODSIO(R, 135, MODS_GET_DRIVER_STATS)
 #define MODS_ESC_BPMP_SET_PCIE_STATE MODSIO(W, 136, MODS_SET_PCIE_STATE)
 #define MODS_ESC_BPMP_INIT_PCIE_EP_PLL MODSIO(W, 137, MODS_INIT_PCIE_EP_PLL)
+#define MODS_ESC_SEND_TZ_MSG MODSIO(WR, 139, MODS_TZ_PARAMS)
 
 #endif /* _UAPI_MODS_H_  */