diff --git a/drivers/remoteproc/k3_system_controller.c b/drivers/remoteproc/k3_system_controller.c
new file mode 100644
index 0000000..214ea18
--- /dev/null
+++ b/drivers/remoteproc/k3_system_controller.c
@@ -0,0 +1,323 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Texas Instruments' K3 System Controller Driver
+ *
+ * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <remoteproc.h>
+#include <errno.h>
+#include <mailbox.h>
+#include <linux/soc/ti/k3-sec-proxy.h>
+
+#define K3_MSG_R5_TO_M3_M3FW			0x8105
+#define K3_MSG_M3_TO_R5_CERT_RESULT		0x8805
+#define K3_MSG_M3_TO_R5_BOOT_NOTIFICATION	0x000A
+
+#define K3_FLAGS_MSG_CERT_AUTH_PASS		0x555555
+#define K3_FLAGS_MSG_CERT_AUTH_FAIL		0xffffff
+
+/**
+ * struct k3_sysctrler_msg_hdr - Generic Header for Messages and responses.
+ * @cmd_id:	Message ID. One of K3_MSG_*
+ * @host_id:	Host ID of the message
+ * @seq_ne:	Message identifier indicating a transfer sequence.
+ * @flags:	Flags for the message.
+ */
+struct k3_sysctrler_msg_hdr {
+	u16 cmd_id;
+	u8 host_id;
+	u8 seq_nr;
+	u32 flags;
+} __packed;
+
+/**
+ * struct k3_sysctrler_load_msg - Message format for Firmware loading
+ * @hdr:		Generic message hdr
+ * @buffer_address:	Address at which firmware is located.
+ * @buffer_size:	Size of the firmware.
+ */
+struct k3_sysctrler_load_msg {
+	struct k3_sysctrler_msg_hdr hdr;
+	u32 buffer_address;
+	u32 buffer_size;
+} __packed;
+
+/**
+ * struct k3_sysctrler_boot_notification_msg - Message format for boot
+ *					       notification
+ * @checksum:		Checksum for the entire message
+ * @reserved:		Reserved for future use.
+ * @hdr:		Generic message hdr
+ */
+struct k3_sysctrler_boot_notification_msg {
+	u16 checksum;
+	u16 reserved;
+	struct k3_sysctrler_msg_hdr hdr;
+} __packed;
+
+/**
+ * struct k3_sysctrler_desc - Description of SoC integration.
+ * @host_id:	Host identifier representing the compute entity
+ * @max_rx_timeout_ms:	Timeout for communication with SoC (in Milliseconds)
+ * @max_msg_size: Maximum size of data per message that can be handled.
+ */
+struct k3_sysctrler_desc {
+	u8 host_id;
+	int max_rx_timeout_us;
+	int max_msg_size;
+};
+
+/**
+ * struct k3_sysctrler_privdata - Structure representing System Controller data.
+ * @chan_tx:	Transmit mailbox channel
+ * @chan_rx:	Receive mailbox channel
+ * @desc:	SoC description for this instance
+ * @seq_nr:	Counter for number of messages sent.
+ */
+struct k3_sysctrler_privdata {
+	struct mbox_chan chan_tx;
+	struct mbox_chan chan_rx;
+	struct k3_sysctrler_desc *desc;
+	u32 seq_nr;
+};
+
+static inline
+void k3_sysctrler_load_msg_setup(struct k3_sysctrler_load_msg *fw,
+				 struct k3_sysctrler_privdata *priv,
+				 ulong addr, ulong size)
+{
+	fw->hdr.cmd_id = K3_MSG_R5_TO_M3_M3FW;
+	fw->hdr.host_id = priv->desc->host_id;
+	fw->hdr.seq_nr = priv->seq_nr++;
+	fw->hdr.flags = 0x0;
+	fw->buffer_address = addr;
+	fw->buffer_size = size;
+}
+
+static int k3_sysctrler_load_response(u32 *buf)
+{
+	struct k3_sysctrler_load_msg *fw;
+
+	fw = (struct k3_sysctrler_load_msg *)buf;
+
+	/* Check for proper response ID */
+	if (fw->hdr.cmd_id != K3_MSG_M3_TO_R5_CERT_RESULT) {
+		dev_err(dev, "%s: Command expected 0x%x, but received 0x%x\n",
+			__func__, K3_MSG_M3_TO_R5_CERT_RESULT, fw->hdr.cmd_id);
+		return -EINVAL;
+	}
+
+	/* Check for certificate authentication result */
+	if (fw->hdr.flags == K3_FLAGS_MSG_CERT_AUTH_FAIL) {
+		dev_err(dev, "%s: Firmware certificate authentication failed\n",
+			__func__);
+		return -EINVAL;
+	} else if (fw->hdr.flags != K3_FLAGS_MSG_CERT_AUTH_PASS) {
+		dev_err(dev, "%s: Firmware Load response Invalid %d\n",
+			__func__, fw->hdr.flags);
+		return -EINVAL;
+	}
+
+	debug("%s: Firmware authentication passed\n", __func__);
+
+	return 0;
+}
+
+static int k3_sysctrler_boot_notification_response(u32 *buf)
+{
+	struct k3_sysctrler_boot_notification_msg *boot;
+
+	boot = (struct k3_sysctrler_boot_notification_msg *)buf;
+
+	/* ToDo: Verify checksum */
+
+	/* Check for proper response ID */
+	if (boot->hdr.cmd_id != K3_MSG_M3_TO_R5_BOOT_NOTIFICATION) {
+		dev_err(dev, "%s: Command expected 0x%x, but received 0x%x\n",
+			__func__, K3_MSG_M3_TO_R5_BOOT_NOTIFICATION,
+			boot->hdr.cmd_id);
+		return -EINVAL;
+	}
+
+	debug("%s: Boot notification received\n", __func__);
+
+	return 0;
+}
+
+/**
+ * k3_sysctrler_load() - Loadup the K3 remote processor
+ * @dev:	corresponding K3 remote processor device
+ * @addr:	Address in memory where image binary is stored
+ * @size:	Size in bytes of the image binary
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_sysctrler_load(struct udevice *dev, ulong addr, ulong size)
+{
+	struct k3_sysctrler_privdata *priv = dev_get_priv(dev);
+	struct k3_sysctrler_load_msg firmware;
+	struct k3_sec_proxy_msg msg;
+	int ret;
+
+	debug("%s: Loading binary from 0x%08lX, size 0x%08lX\n",
+	      __func__, addr, size);
+
+	memset(&firmware, 0, sizeof(firmware));
+	memset(&msg, 0, sizeof(msg));
+
+	/* Setup the message */
+	k3_sysctrler_load_msg_setup(&firmware, priv, addr, size);
+	msg.len = sizeof(firmware);
+	msg.buf = (u32 *)&firmware;
+
+	/* Send the message */
+	ret = mbox_send(&priv->chan_tx, &msg);
+	if (ret) {
+		dev_err(dev, "%s: Firmware Loading failed. ret = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	/* Receive the response */
+	ret = mbox_recv(&priv->chan_rx, &msg, priv->desc->max_rx_timeout_us);
+	if (ret) {
+		dev_err(dev, "%s: Firmware Load response failed. ret = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	/* Process the response */
+	ret = k3_sysctrler_load_response(msg.buf);
+	if (ret)
+		return ret;
+
+	debug("%s: Firmware Loaded successfully on dev %s\n",
+	      __func__, dev->name);
+
+	return 0;
+}
+
+/**
+ * k3_sysctrler_start() - Start the remote processor
+ *		Note that while technically the K3 system controller starts up
+ *		automatically after its firmware got loaded we still want to
+ *		utilize the rproc start operation for other startup-related
+ *		tasks.
+ * @dev:	device to operate upon
+ *
+ * Return: 0 if all went ok, else return appropriate error
+ */
+static int k3_sysctrler_start(struct udevice *dev)
+{
+	struct k3_sysctrler_privdata *priv = dev_get_priv(dev);
+	struct k3_sec_proxy_msg msg;
+	int ret;
+
+	debug("%s(dev=%p)\n", __func__, dev);
+
+	/* Receive the boot notification. Note that it is sent only once. */
+	ret = mbox_recv(&priv->chan_rx, &msg, priv->desc->max_rx_timeout_us);
+	if (ret) {
+		dev_err(dev, "%s: Boot Notification response failed. ret = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	/* Process the response */
+	ret = k3_sysctrler_boot_notification_response(msg.buf);
+	if (ret)
+		return ret;
+
+	debug("%s: Boot notification received successfully on dev %s\n",
+	      __func__, dev->name);
+
+	return 0;
+}
+
+static const struct dm_rproc_ops k3_sysctrler_ops = {
+	.load = k3_sysctrler_load,
+	.start = k3_sysctrler_start,
+};
+
+/**
+ * k3_of_to_priv() - generate private data from device tree
+ * @dev:	corresponding k3 remote processor device
+ * @priv:	pointer to driver specific private data
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_of_to_priv(struct udevice *dev,
+			 struct k3_sysctrler_privdata *priv)
+{
+	int ret;
+
+	ret = mbox_get_by_name(dev, "tx", &priv->chan_tx);
+	if (ret) {
+		dev_err(dev, "%s: Acquiring Tx channel failed. ret = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	ret = mbox_get_by_name(dev, "rx", &priv->chan_rx);
+	if (ret) {
+		dev_err(dev, "%s: Acquiring Rx channel failed. ret = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * k3_sysctrler_probe() - Basic probe
+ * @dev:	corresponding k3 remote processor device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_sysctrler_probe(struct udevice *dev)
+{
+	struct k3_sysctrler_privdata *priv;
+	int ret;
+
+	debug("%s(dev=%p)\n", __func__, dev);
+
+	priv = dev_get_priv(dev);
+
+	ret = k3_of_to_priv(dev, priv);
+	if (ret) {
+		dev_err(dev, "%s: Probe failed with error %d\n", __func__, ret);
+		return ret;
+	}
+
+	priv->desc = (void *)dev_get_driver_data(dev);
+	priv->seq_nr = 0;
+
+	return 0;
+}
+
+static const struct k3_sysctrler_desc k3_sysctrler_am654_desc = {
+	.host_id = 4,				/* HOST_ID_R5_1 */
+	.max_rx_timeout_us = 400000,
+	.max_msg_size = 60,
+};
+
+static const struct udevice_id k3_sysctrler_ids[] = {
+	{
+		.compatible = "ti,am654-system-controller",
+		.data = (ulong)&k3_sysctrler_am654_desc,
+	},
+	{}
+};
+
+U_BOOT_DRIVER(k3_sysctrler) = {
+	.name = "k3_system_controller",
+	.of_match = k3_sysctrler_ids,
+	.id = UCLASS_REMOTEPROC,
+	.ops = &k3_sysctrler_ops,
+	.probe = k3_sysctrler_probe,
+	.priv_auto_alloc_size = sizeof(struct k3_sysctrler_privdata),
+};