diff --git a/drivers/firmware/arm_scmi/vendors/imx/Kconfig b/drivers/firmware/arm_scmi/vendors/imx/Kconfig
index a01bf5e47301d2f93c9bfc7eebc77e083ea4ed75..1a936fc87d2350e2a21bccd45dfbeebfa3b90286 100644
--- a/drivers/firmware/arm_scmi/vendors/imx/Kconfig
+++ b/drivers/firmware/arm_scmi/vendors/imx/Kconfig
@@ -12,6 +12,17 @@ config IMX_SCMI_BBM_EXT
 	  To compile this driver as a module, choose M here: the
 	  module will be called imx-sm-bbm.
 
+config IMX_SCMI_LMM_EXT
+	tristate "i.MX SCMI LMM EXTENSION"
+	depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF)
+	default y if ARCH_MXC
+	help
+	  This enables i.MX System Logical Machine Protocol to
+	  manage Logical Machines boot, shutdown and etc.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called imx-sm-lmm.
+
 config IMX_SCMI_MISC_EXT
 	tristate "i.MX SCMI MISC EXTENSION"
 	depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF)
diff --git a/drivers/firmware/arm_scmi/vendors/imx/Makefile b/drivers/firmware/arm_scmi/vendors/imx/Makefile
index d3ee6d5449244a4f5cdf6abcf1845f312c512325..f39a99ccaf9af757475e8b112d224669444d7ddc 100644
--- a/drivers/firmware/arm_scmi/vendors/imx/Makefile
+++ b/drivers/firmware/arm_scmi/vendors/imx/Makefile
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_IMX_SCMI_BBM_EXT) += imx-sm-bbm.o
+obj-$(CONFIG_IMX_SCMI_LMM_EXT) += imx-sm-lmm.o
 obj-$(CONFIG_IMX_SCMI_MISC_EXT) += imx-sm-misc.o
diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c
new file mode 100644
index 0000000000000000000000000000000000000000..808cbedba5de4b4314948c06c60bebea057efbe7
--- /dev/null
+++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * System control and Management Interface (SCMI) NXP LMM Protocol
+ *
+ * Copyright 2025 NXP
+ */
+
+#include <linux/bits.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/scmi_protocol.h>
+#include <linux/scmi_imx_protocol.h>
+
+#include "../../protocols.h"
+#include "../../notify.h"
+
+#define SCMI_PROTOCOL_SUPPORTED_VERSION		0x10000
+
+enum scmi_imx_lmm_protocol_cmd {
+	SCMI_IMX_LMM_ATTRIBUTES	= 0x3,
+	SCMI_IMX_LMM_BOOT = 0x4,
+	SCMI_IMX_LMM_RESET = 0x5,
+	SCMI_IMX_LMM_SHUTDOWN = 0x6,
+	SCMI_IMX_LMM_WAKE = 0x7,
+	SCMI_IMX_LMM_SUSPEND = 0x8,
+	SCMI_IMX_LMM_NOTIFY = 0x9,
+	SCMI_IMX_LMM_RESET_REASON = 0xA,
+	SCMI_IMX_LMM_POWER_ON = 0xB,
+};
+
+struct scmi_imx_lmm_priv {
+	u32 nr_lmm;
+};
+
+#define	SCMI_IMX_LMM_PROTO_ATTR_NUM_LM(x)	(((x) & 0xFFU))
+struct scmi_msg_imx_lmm_protocol_attributes {
+	__le32 attributes;
+};
+
+struct scmi_msg_imx_lmm_attributes_out {
+	__le32 lmid;
+	__le32 attributes;
+	__le32 state;
+	__le32 errstatus;
+	u8 name[LMM_MAX_NAME];
+};
+
+struct scmi_imx_lmm_shutdown_in {
+	__le32 lmid;
+#define LMM_FLAGS_GRACEFUL(x)  ((x) & BIT(0))
+	__le32 flags;
+};
+
+static int scmi_imx_lmm_validate_lmid(const struct scmi_protocol_handle *ph, u32 lmid)
+{
+	struct scmi_imx_lmm_priv *priv = ph->get_priv(ph);
+
+	if (lmid >= priv->nr_lmm)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int scmi_imx_lmm_attributes(const struct scmi_protocol_handle *ph,
+				   u32 lmid, struct scmi_imx_lmm_info *info)
+{
+	struct scmi_msg_imx_lmm_attributes_out *out;
+	struct scmi_xfer *t;
+	int ret;
+
+	ret = ph->xops->xfer_get_init(ph, SCMI_IMX_LMM_ATTRIBUTES, sizeof(u32), 0, &t);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(lmid, t->tx.buf);
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret) {
+		out = t->rx.buf;
+		info->lmid = le32_to_cpu(out->lmid);
+		info->state = le32_to_cpu(out->state);
+		info->errstatus = le32_to_cpu(out->errstatus);
+		strscpy(info->name, out->name);
+		dev_dbg(ph->dev, "i.MX LMM: Logical Machine(%d), name: %s\n",
+			info->lmid, out->name);
+	} else {
+		dev_err(ph->dev, "i.MX LMM: Failed to get info of Logical Machine(%u)\n", lmid);
+	}
+
+	ph->xops->xfer_put(ph, t);
+
+	return ret;
+}
+
+static int scmi_imx_lmm_boot(const struct scmi_protocol_handle *ph, u32 lmid)
+{
+	struct scmi_xfer *t;
+	int ret;
+
+	ret = scmi_imx_lmm_validate_lmid(ph, lmid);
+	if (ret)
+		return ret;
+
+	ret = ph->xops->xfer_get_init(ph, SCMI_IMX_LMM_BOOT, sizeof(u32),
+				      0, &t);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(lmid, t->tx.buf);
+	ret = ph->xops->do_xfer(ph, t);
+
+	ph->xops->xfer_put(ph, t);
+
+	return ret;
+}
+
+static int scmi_imx_lmm_power_on(const struct scmi_protocol_handle *ph, u32 lmid)
+{
+	struct scmi_xfer *t;
+	int ret;
+
+	ret = scmi_imx_lmm_validate_lmid(ph, lmid);
+	if (ret)
+		return ret;
+
+	ret = ph->xops->xfer_get_init(ph, SCMI_IMX_LMM_POWER_ON, sizeof(u32),
+				      0, &t);
+	if (ret)
+		return ret;
+
+	put_unaligned_le32(lmid, t->tx.buf);
+	ret = ph->xops->do_xfer(ph, t);
+
+	ph->xops->xfer_put(ph, t);
+
+	return ret;
+}
+
+static int scmi_imx_lmm_shutdown(const struct scmi_protocol_handle *ph, u32 lmid,
+				 u32 flags)
+{
+	struct scmi_imx_lmm_shutdown_in *in;
+	struct scmi_xfer *t;
+	int ret;
+
+	ret = scmi_imx_lmm_validate_lmid(ph, lmid);
+	if (ret)
+		return ret;
+
+	ret = ph->xops->xfer_get_init(ph, SCMI_IMX_LMM_SHUTDOWN, sizeof(*in),
+				      0, &t);
+	if (ret)
+		return ret;
+
+	in = t->tx.buf;
+	in->lmid = cpu_to_le32(lmid);
+	in->flags = cpu_to_le32(flags);
+	ret = ph->xops->do_xfer(ph, t);
+
+	ph->xops->xfer_put(ph, t);
+
+	return ret;
+}
+
+static const struct scmi_imx_lmm_proto_ops scmi_imx_lmm_proto_ops = {
+	.lmm_boot = scmi_imx_lmm_boot,
+	.lmm_info = scmi_imx_lmm_attributes,
+	.lmm_power_on = scmi_imx_lmm_power_on,
+	.lmm_shutdown = scmi_imx_lmm_shutdown,
+};
+
+static int scmi_imx_lmm_protocol_attributes_get(const struct scmi_protocol_handle *ph,
+						struct scmi_imx_lmm_priv *priv)
+{
+	struct scmi_msg_imx_lmm_protocol_attributes *attr;
+	struct scmi_xfer *t;
+	int ret;
+
+	ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0,
+				      sizeof(*attr), &t);
+	if (ret)
+		return ret;
+
+	attr = t->rx.buf;
+
+	ret = ph->xops->do_xfer(ph, t);
+	if (!ret) {
+		priv->nr_lmm = SCMI_IMX_LMM_PROTO_ATTR_NUM_LM(attr->attributes);
+		dev_info(ph->dev, "i.MX LMM: %d Logical Machines\n",
+			 priv->nr_lmm);
+	}
+
+	ph->xops->xfer_put(ph, t);
+
+	return ret;
+}
+
+static int scmi_imx_lmm_protocol_init(const struct scmi_protocol_handle *ph)
+{
+	struct scmi_imx_lmm_priv *info;
+	u32 version;
+	int ret;
+
+	ret = ph->xops->version_get(ph, &version);
+	if (ret)
+		return ret;
+
+	dev_info(ph->dev, "NXP SM LMM Version %d.%d\n",
+		 PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
+
+	info = devm_kzalloc(ph->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	ret = scmi_imx_lmm_protocol_attributes_get(ph, info);
+	if (ret)
+		return ret;
+
+	return ph->set_priv(ph, info, version);
+}
+
+static const struct scmi_protocol scmi_imx_lmm = {
+	.id = SCMI_PROTOCOL_IMX_LMM,
+	.owner = THIS_MODULE,
+	.instance_init = &scmi_imx_lmm_protocol_init,
+	.ops = &scmi_imx_lmm_proto_ops,
+	.supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION,
+	.vendor_id = SCMI_IMX_VENDOR,
+	.sub_vendor_id = SCMI_IMX_SUBVENDOR,
+};
+module_scmi_protocol(scmi_imx_lmm);
+
+MODULE_DESCRIPTION("i.MX SCMI LMM driver");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/scmi_imx_protocol.h b/include/linux/scmi_imx_protocol.h
index 53b356a26414279f4aaaa8287c32209ed1ad57b4..456559f021696ae51f40ed11e6f85089d430ce71 100644
--- a/include/linux/scmi_imx_protocol.h
+++ b/include/linux/scmi_imx_protocol.h
@@ -11,8 +11,10 @@
 #include <linux/bitfield.h>
 #include <linux/device.h>
 #include <linux/notifier.h>
+#include <linux/scmi_protocol.h>
 #include <linux/types.h>
 
+#define SCMI_PROTOCOL_IMX_LMM	0x80
 #define	SCMI_PROTOCOL_IMX_BBM	0x81
 #define	SCMI_PROTOCOL_IMX_MISC	0x84
 
@@ -57,4 +59,31 @@ struct scmi_imx_misc_proto_ops {
 	int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph,
 				    u32 ctrl_id, u32 evt_id, u32 flags);
 };
+
+#define	LMM_ID_DISCOVER	0xFFFFFFFFU
+#define	LMM_MAX_NAME	16
+
+enum scmi_imx_lmm_state {
+	LMM_STATE_LM_OFF,
+	LMM_STATE_LM_ON,
+	LMM_STATE_LM_SUSPEND,
+	LMM_STATE_LM_POWERED,
+};
+
+struct scmi_imx_lmm_info {
+	u32 lmid;
+	enum scmi_imx_lmm_state state;
+	u32 errstatus;
+	u8 name[LMM_MAX_NAME];
+};
+
+struct scmi_imx_lmm_proto_ops {
+	int (*lmm_boot)(const struct scmi_protocol_handle *ph, u32 lmid);
+	int (*lmm_info)(const struct scmi_protocol_handle *ph, u32 lmid,
+			struct scmi_imx_lmm_info *info);
+	int (*lmm_power_on)(const struct scmi_protocol_handle *ph, u32 lmid);
+	int (*lmm_shutdown)(const struct scmi_protocol_handle *ph, u32 lmid,
+			    u32 flags);
+};
+
 #endif
