diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile
index 17ea3613e142..d522de8e8a92 100644
--- a/drivers/firmware/imx/Makefile
+++ b/drivers/firmware/imx/Makefile
@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_IMX_DSP)		+= imx-dsp.o
-obj-$(CONFIG_IMX_SCU)		+= imx-scu.o misc.o imx-scu-irq.o rm.o
+obj-$(CONFIG_IMX_SCU)		+= imx-scu.o misc.o imx-scu-irq.o rm.o seco.o
 obj-$(CONFIG_IMX_SCU_PD)	+= scu-pd.o
diff --git a/drivers/firmware/imx/seco.c b/drivers/firmware/imx/seco.c
new file mode 100644
index 000000000000..a24037f3354f
--- /dev/null
+++ b/drivers/firmware/imx/seco.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 NXP
+ *
+ * File containing client-side RPC functions for the SECO service. These
+ * function are ported to clients that communicate to the SC.
+ */
+
+#include <linux/firmware/imx/sci.h>
+
+struct imx_sc_msg_seco_get_build_id {
+	struct imx_sc_rpc_msg hdr;
+	u32 version;
+	u32 commit;
+};
+
+int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version,
+			   uint32_t *commit)
+{
+	struct imx_sc_msg_seco_get_build_id msg = {0};
+	struct imx_sc_rpc_msg *hdr = &msg.hdr;
+
+	hdr->ver = IMX_SC_RPC_VERSION;
+	hdr->svc = IMX_SC_RPC_SVC_SECO;
+	hdr->func = IMX_SC_SECO_FUNC_BUILD_INFO;
+	hdr->size = 1;
+
+	imx_scu_call_rpc(ipc, &msg, true);
+
+	if (version)
+		*version = msg.version;
+	if (commit)
+		*commit = msg.commit;
+
+	return 0;
+}
+EXPORT_SYMBOL(imx_sc_seco_build_info);
+
+struct imx_sc_msg_seco_sab_msg {
+	struct imx_sc_rpc_msg hdr;
+	u32 smsg_addr_hi;
+	u32 smsg_addr_lo;
+};
+
+int imx_sc_seco_sab_msg(struct imx_sc_ipc *ipc, u64 smsg_addr)
+{
+	struct imx_sc_msg_seco_sab_msg msg;
+	struct imx_sc_rpc_msg *hdr = &msg.hdr;
+	int ret;
+
+	hdr->ver = IMX_SC_RPC_VERSION;
+	hdr->svc = IMX_SC_RPC_SVC_SECO;
+	hdr->func = IMX_SC_SECO_FUNC_SAB_MSG;
+	hdr->size = 3;
+
+	msg.smsg_addr_hi = smsg_addr >> 32;
+	msg.smsg_addr_lo = smsg_addr;
+
+	ret = imx_scu_call_rpc(ipc, &msg, true);
+	return ret;
+}
+EXPORT_SYMBOL(imx_sc_seco_sab_msg);
diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h
index b710e72005d6..713400ec3595 100644
--- a/include/linux/firmware/imx/ipc.h
+++ b/include/linux/firmware/imx/ipc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright 2018 NXP
+ * Copyright 2018,2020 NXP
  *
  * Header file for the IPC implementation.
  */
@@ -24,7 +24,8 @@ enum imx_sc_rpc_svc {
 	IMX_SC_RPC_SVC_PAD = 6,
 	IMX_SC_RPC_SVC_MISC = 7,
 	IMX_SC_RPC_SVC_IRQ = 8,
-	IMX_SC_RPC_SVC_ABORT = 9
+	IMX_SC_RPC_SVC_SECO = 9,
+	IMX_SC_RPC_SVC_ABORT = 10,
 };
 
 struct imx_sc_rpc_msg {
diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h
index 3c459f54a88f..5d5e3094181e 100644
--- a/include/linux/firmware/imx/sci.h
+++ b/include/linux/firmware/imx/sci.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2016 Freescale Semiconductor, Inc.
- * Copyright 2017~2018 NXP
+ * Copyright 2017~2018,2020 NXP
  *
  * Header file containing the public System Controller Interface (SCI)
  * definitions.
@@ -15,6 +15,7 @@
 #include <linux/firmware/imx/svc/misc.h>
 #include <linux/firmware/imx/svc/pm.h>
 #include <linux/firmware/imx/svc/rm.h>
+#include <linux/firmware/imx/svc/seco.h>
 
 int imx_scu_enable_general_irq_channel(struct device *dev);
 int imx_scu_irq_register_notifier(struct notifier_block *nb);
diff --git a/include/linux/firmware/imx/svc/seco.h b/include/linux/firmware/imx/svc/seco.h
new file mode 100644
index 000000000000..c8294d177b0b
--- /dev/null
+++ b/include/linux/firmware/imx/svc/seco.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2020 NXP
+ *
+ * Header file containing the public API for the System Controller (SC)
+ * Security Controller (SECO) function.
+ *
+ * SECO_SVC (SVC) Security Controller Service
+ *
+ * Module for the Security Controller (SECO) service.
+ */
+
+#ifndef _SC_SECO_API_H
+#define _SC_SECO_API_H
+
+#include <linux/errno.h>
+#include <linux/firmware/imx/sci.h>
+
+/*
+ * This type is used to indicate RPC RM function calls.
+ */
+enum imx_sc_seco_func {
+	IMX_SC_SECO_FUNC_UNKNOWN = 0,
+	IMX_SC_SECO_FUNC_BUILD_INFO = 16,
+	IMX_SC_SECO_FUNC_SAB_MSG = 23,
+};
+
+#if IS_ENABLED(CONFIG_IMX_SCU)
+int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version,
+			   uint32_t *commit);
+int imx_sc_seco_sab_msg(struct imx_sc_ipc *ipc, u64 smsg_addr);
+#else /* IS_ENABLED(CONFIG_IMX_SCU) */
+static inline
+int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version,
+			   uint32_t *commit)
+{
+	return -ENOTSUP;
+}
+
+static inline
+int imx_sc_seco_sab_msg(struct imx_sc_ipc *ipc, u64 smsg_addr)
+{
+	return -ENOTSUP;
+}
+#endif /* IS_ENABLED(CONFIG_IMX_SCU) */
+
+#endif /* _SC_SECO_API_H */