diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index 166019786653..5637a71c0677 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -352,6 +352,18 @@ config TI_K3_R5_REMOTEPROC
 	  It's safe to say N here if you're not interested in utilizing
 	  a slave processor.
 
+config XLNX_R5_REMOTEPROC
+	tristate "Xilinx R5 remoteproc support"
+	depends on PM && ARCH_ZYNQMP
+	depends on ZYNQMP_FIRMWARE
+	select RPMSG_VIRTIO
+	select ZYNQMP_IPI_MBOX
+	help
+	  Say y or m here to support Xilinx R5 remote processors via the remote
+	  processor framework.
+
+	  It's safe to say N if not interested in using RPU r5f cores.
+
 endif # REMOTEPROC
 
 endmenu
diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile
index 5478c7cb9e07..91314a9b43ce 100644
--- a/drivers/remoteproc/Makefile
+++ b/drivers/remoteproc/Makefile
@@ -38,3 +38,4 @@ obj-$(CONFIG_ST_SLIM_REMOTEPROC)	+= st_slim_rproc.o
 obj-$(CONFIG_STM32_RPROC)		+= stm32_rproc.o
 obj-$(CONFIG_TI_K3_DSP_REMOTEPROC)	+= ti_k3_dsp_remoteproc.o
 obj-$(CONFIG_TI_K3_R5_REMOTEPROC)	+= ti_k3_r5_remoteproc.o
+obj-$(CONFIG_XLNX_R5_REMOTEPROC)	+= xlnx_r5_remoteproc.o
diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c
new file mode 100644
index 000000000000..9865b51e0356
--- /dev/null
+++ b/drivers/remoteproc/xlnx_r5_remoteproc.c
@@ -0,0 +1,1055 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ZynqMP R5 Remote Processor driver
+ *
+ */
+
+#include <dt-bindings/power/xlnx-zynqmp-power.h>
+#include <linux/dma-mapping.h>
+#include <linux/firmware/xlnx-zynqmp.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
+#include <linux/remoteproc.h>
+#include <linux/slab.h>
+
+#include "remoteproc_internal.h"
+
+/* settings for RPU cluster mode */
+enum zynqmp_r5_cluster_mode {
+	SPLIT_MODE = 0, /* When cores run as separate processor */
+	LOCKSTEP_MODE = 1, /* cores execute same code in lockstep,clk-for-clk */
+	SINGLE_CPU_MODE = 2, /* core0 is held in reset and only core1 runs */
+};
+
+/**
+ * struct mem_bank_data - Memory Bank description
+ *
+ * @addr: Start address of memory bank
+ * @size: Size of Memory bank
+ * @pm_domain_id: Power-domains id of memory bank for firmware to turn on/off
+ * @bank_name: name of the bank for remoteproc framework
+ */
+struct mem_bank_data {
+	phys_addr_t addr;
+	size_t size;
+	u32 pm_domain_id;
+	char *bank_name;
+};
+
+static const struct mem_bank_data zynqmp_tcm_banks[] = {
+	{0xffe00000UL, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */
+	{0xffe20000UL, 0x10000UL, PD_R5_0_BTCM, "btcm0"},
+	{0xffe90000UL, 0x10000UL, PD_R5_1_ATCM, "atcm1"},
+	{0xffeb0000UL, 0x10000UL, PD_R5_1_BTCM, "btcm1"},
+};
+
+/**
+ * struct zynqmp_r5_core - ZynqMP R5 core structure
+ *
+ * @dev: device of RPU instance
+ * @np: device node of RPU instance
+ * @tcm_bank_count: number TCM banks accessible to this RPU
+ * @tcm_banks: array of each TCM bank data
+ * @rmem_count: Number of reserved mem regions
+ * @rmem: reserved memory region nodes from device tree
+ * @rproc: rproc handle
+ * @pm_domain_id: RPU CPU power domain id
+ */
+struct zynqmp_r5_core {
+	struct device *dev;
+	struct device_node *np;
+	int tcm_bank_count;
+	struct mem_bank_data **tcm_banks;
+	int rmem_count;
+	struct reserved_mem **rmem;
+	struct rproc *rproc;
+	u32 pm_domain_id;
+};
+
+/**
+ * struct zynqmp_r5_cluster - ZynqMP R5 cluster structure
+ *
+ * @dev: r5f subsystem cluster device node
+ * @mode: cluster mode of type zynqmp_r5_cluster_mode
+ * @core_count: number of r5 cores used for this cluster mode
+ * @r5_cores: Array of pointers pointing to r5 core
+ */
+struct zynqmp_r5_cluster {
+	struct device *dev;
+	enum  zynqmp_r5_cluster_mode mode;
+	int core_count;
+	struct zynqmp_r5_core **r5_cores;
+};
+
+/*
+ * zynqmp_r5_set_mode - set RPU operation mode
+ *
+ * set RPU operation mode
+ *
+ * Return: 0 for success, negative value for failure
+ */
+static int zynqmp_r5_set_mode(struct zynqmp_r5_core *r5_core,
+			      enum rpu_oper_mode fw_reg_val,
+			      enum rpu_tcm_comb tcm_mode)
+{
+	int ret;
+
+	ret = zynqmp_pm_set_rpu_mode(r5_core->pm_domain_id, fw_reg_val);
+	if (ret < 0) {
+		dev_err(r5_core->dev, "failed to set RPU mode\n");
+		return ret;
+	}
+
+	ret = zynqmp_pm_set_tcm_config(r5_core->pm_domain_id, tcm_mode);
+	if (ret < 0)
+		dev_err(r5_core->dev, "failed to configure TCM\n");
+
+	return ret;
+}
+
+/*
+ * zynqmp_r5_rproc_start
+ * @rproc: single R5 core's corresponding rproc instance
+ *
+ * Start R5 Core from designated boot address.
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int zynqmp_r5_rproc_start(struct rproc *rproc)
+{
+	struct zynqmp_r5_core *r5_core = rproc->priv;
+	enum rpu_boot_mem bootmem;
+	int ret;
+
+	/*
+	 * The exception vector pointers (EVP) refer to the base-address of
+	 * exception vectors (for reset, IRQ, FIQ, etc). The reset-vector
+	 * starts at the base-address and subsequent vectors are on 4-byte
+	 * boundaries.
+	 *
+	 * Exception vectors can start either from 0x0000_0000 (LOVEC) or
+	 * from 0xFFFF_0000 (HIVEC) which is mapped in the OCM (On-Chip Memory)
+	 *
+	 * Usually firmware will put Exception vectors at LOVEC.
+	 *
+	 * It is not recommend that you change the exception vector.
+	 * Changing the EVP to HIVEC will result in increased interrupt latency
+	 * and jitter. Also, if the OCM is secured and the Cortex-R5F processor
+	 * is non-secured, then the Cortex-R5F processor cannot access the
+	 * HIVEC exception vectors in the OCM.
+	 */
+	bootmem = (rproc->bootaddr >= 0xFFFC0000) ?
+		   PM_RPU_BOOTMEM_HIVEC : PM_RPU_BOOTMEM_LOVEC;
+
+	dev_dbg(r5_core->dev, "RPU boot addr 0x%llx from %s.", rproc->bootaddr,
+		bootmem == PM_RPU_BOOTMEM_HIVEC ? "OCM" : "TCM");
+
+	ret = zynqmp_pm_request_wake(r5_core->pm_domain_id, 1,
+				     bootmem, ZYNQMP_PM_REQUEST_ACK_NO);
+	if (ret)
+		dev_err(r5_core->dev,
+			"failed to start RPU = 0x%x\n", r5_core->pm_domain_id);
+	return ret;
+}
+
+/*
+ * zynqmp_r5_rproc_stop
+ * @rproc: single R5 core's corresponding rproc instance
+ *
+ * Power down  R5 Core.
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int zynqmp_r5_rproc_stop(struct rproc *rproc)
+{
+	struct zynqmp_r5_core *r5_core = rproc->priv;
+	int ret;
+
+	ret = zynqmp_pm_force_pwrdwn(r5_core->pm_domain_id,
+				     ZYNQMP_PM_REQUEST_ACK_BLOCKING);
+	if (ret)
+		dev_err(r5_core->dev, "failed to stop remoteproc RPU %d\n", ret);
+
+	return ret;
+}
+
+/*
+ * zynqmp_r5_mem_region_map
+ * @rproc: single R5 core's corresponding rproc instance
+ * @mem: mem entry to map
+ *
+ * Callback to map va for memory-region's carveout.
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int zynqmp_r5_mem_region_map(struct rproc *rproc,
+				    struct rproc_mem_entry *mem)
+{
+	void __iomem *va;
+
+	va = ioremap_wc(mem->dma, mem->len);
+	if (IS_ERR_OR_NULL(va))
+		return -ENOMEM;
+
+	mem->va = (void *)va;
+
+	return 0;
+}
+
+/*
+ * zynqmp_r5_rproc_mem_unmap
+ * @rproc: single R5 core's corresponding rproc instance
+ * @mem: mem entry to unmap
+ *
+ * Unmap memory-region carveout
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int zynqmp_r5_mem_region_unmap(struct rproc *rproc,
+				      struct rproc_mem_entry *mem)
+{
+	iounmap((void __iomem *)mem->va);
+	return 0;
+}
+
+/*
+ * add_mem_regions
+ * @r5_core: single R5 core's corresponding zynqmp_r5_core type instance
+ * @rmem: reserved mem region parsed from dt node
+ *
+ * Construct rproc mem carveouts from carveout provided in
+ * memory-region property
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int add_mem_regions_carveout(struct rproc *rproc)
+{
+	struct rproc_mem_entry **rproc_mem;
+	struct zynqmp_r5_core *r5_core;
+	struct reserved_mem *rmem;
+	int i, num_mem_regions;
+
+	r5_core = (struct zynqmp_r5_core *)rproc->priv;
+	num_mem_regions = r5_core->rmem_count;
+
+	/* memory regions not defined */
+	if (num_mem_regions < 1)
+		return 0;
+
+	rproc_mem = kcalloc(num_mem_regions,
+			    sizeof(struct rproc_mem_entry *), GFP_KERNEL);
+	if (!rproc_mem)
+		return -ENOMEM;
+
+	for (i = 0; i < num_mem_regions; i++) {
+		rmem = r5_core->rmem[i];
+
+		if (!strncmp(rmem->name, "vdev0buffer", strlen("vdev0buffer"))) {
+			/* Register reserved memory for vdev buffer */
+			rproc_mem[i] = rproc_of_resm_mem_entry_init(&rproc->dev, i,
+								    rmem->size,
+								    rmem->base,
+								    rmem->name);
+		} else {
+			/* Register associated reserved memory regions */
+			rproc_mem[i] = rproc_mem_entry_init(&rproc->dev, NULL,
+							    (dma_addr_t)rmem->base,
+							    rmem->size, rmem->base,
+							    zynqmp_r5_mem_region_map,
+							    zynqmp_r5_mem_region_unmap,
+							    rmem->name);
+		}
+
+		if (!rproc_mem[i])
+			goto release_mem_regions;
+
+		dev_dbg(&rproc->dev, "reserved mem carveout %s addr=%llx, size=0x%llx",
+			rmem->name, rmem->base, rmem->size);
+	}
+
+	/*
+	 * Add carveouts only if all rproc mem enties are
+	 * successfully initialized
+	 */
+	for (i = 0; i < num_mem_regions; i++)
+		rproc_add_carveout(rproc, rproc_mem[i]);
+
+	kfree(rproc_mem);
+	return 0;
+
+release_mem_regions:
+	for (i--; i >= 0; i--)
+		kfree(rproc_mem[i]);
+	kfree(rproc_mem);
+	return -ENOMEM;
+}
+
+/*
+ * zynqmp_r5_rproc_mem_unmap
+ * @rproc: single R5 core's corresponding rproc instance
+ * @mem: mem entry to unmap
+ *
+ * Unmap TCM banks when powering down R5 core.
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int tcm_mem_unmap(struct rproc *rproc, struct rproc_mem_entry *mem)
+{
+	iounmap((void __iomem *)mem->va);
+
+	return 0;
+}
+
+/*
+ * tcm_mem_map
+ * @rproc: single R5 core's corresponding rproc instance
+ * @mem: mem entry to initialize the va and da fields of
+ *
+ * Given TCM bank entry, this callback will set device address for R5
+ * running on TCM and also setup virtual address for TCM bank
+ * remoteproc carveout.
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int tcm_mem_map(struct rproc *rproc,
+		       struct rproc_mem_entry *mem)
+{
+	void __iomem *va;
+
+	va = ioremap_wc(mem->dma, mem->len);
+	if (IS_ERR_OR_NULL(va))
+		return -ENOMEM;
+
+	/* Update memory entry va */
+	mem->va = (void *)va;
+
+	/* clear TCMs */
+	memset_io(va, 0, mem->len);
+
+	/*
+	 * The R5s expect their TCM banks to be at address 0x0 and 0x2000,
+	 * while on the Linux side they are at 0xffexxxxx.
+	 *
+	 * Zero out the high 12 bits of the address. This will give
+	 * expected values for TCM Banks 0A and 0B (0x0 and 0x20000).
+	 */
+	mem->da &= 0x000fffff;
+
+	/*
+	 * TCM Banks 1A and 1B still have to be translated.
+	 *
+	 * Below handle these two banks' absolute addresses (0xffe90000 and
+	 * 0xffeb0000) and convert to the expected relative addresses
+	 * (0x0 and 0x20000).
+	 */
+	if (mem->da == 0x90000 || mem->da == 0xB0000)
+		mem->da -= 0x90000;
+
+	/* if translated TCM bank address is not valid report error */
+	if (mem->da != 0x0 && mem->da != 0x20000) {
+		dev_err(&rproc->dev, "invalid TCM address: %x\n", mem->da);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int add_tcm_carveout_split_mode(struct rproc *rproc)
+{
+	struct rproc_mem_entry **rproc_mem;
+	struct zynqmp_r5_core *r5_core;
+	int i, num_banks, ret;
+	phys_addr_t bank_addr;
+	struct device *dev;
+	u32 pm_domain_id;
+	size_t bank_size;
+	char *bank_name;
+
+	r5_core = (struct zynqmp_r5_core *)rproc->priv;
+	dev = r5_core->dev;
+	num_banks = r5_core->tcm_bank_count;
+
+	rproc_mem = kcalloc(num_banks,
+			    sizeof(struct rproc_mem_entry *), GFP_KERNEL);
+	if (!rproc_mem)
+		return -ENOMEM;
+
+	/*
+	 * Power-on Each 64KB TCM,
+	 * register its address space, map and unmap functions
+	 * and add carveouts accordingly
+	 */
+	for (i = 0; i < num_banks; i++) {
+		bank_addr = r5_core->tcm_banks[i]->addr;
+		bank_name = r5_core->tcm_banks[i]->bank_name;
+		bank_size = r5_core->tcm_banks[i]->size;
+		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;
+
+		ret = zynqmp_pm_request_node(pm_domain_id,
+					     ZYNQMP_PM_CAPABILITY_ACCESS, 0,
+					     ZYNQMP_PM_REQUEST_ACK_BLOCKING);
+		if (ret < 0) {
+			dev_err(dev, "failed to turn on TCM 0x%x", pm_domain_id);
+			goto release_tcm_split;
+		}
+
+		dev_dbg(dev, "TCM carveout split mode %s addr=%llx, size=0x%lx",
+			bank_name, bank_addr, bank_size);
+
+		rproc_mem[i] = rproc_mem_entry_init(dev, NULL, bank_addr,
+						    bank_size, bank_addr,
+						    tcm_mem_map, tcm_mem_unmap,
+						    bank_name);
+		if (!rproc_mem[i]) {
+			ret = -ENOMEM;
+			zynqmp_pm_release_node(pm_domain_id);
+			goto release_tcm_split;
+		}
+	}
+
+	/*
+	 * Add carveouts only if all rproc mem enties are
+	 * successfully initialized
+	 */
+	for (i = 0; i < num_banks; i++)
+		rproc_add_carveout(rproc, rproc_mem[i]);
+
+	kfree(rproc_mem);
+	return 0;
+
+release_tcm_split:
+	/* If failed, Turn off all TCM banks turned on before */
+	for (i--; i >= 0; i--) {
+		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;
+		zynqmp_pm_release_node(pm_domain_id);
+		kfree(rproc_mem[i]);
+	}
+	kfree(rproc_mem);
+	return ret;
+}
+
+static int add_tcm_carveout_lockstep_mode(struct rproc *rproc)
+{
+	struct rproc_mem_entry *rproc_mem;
+	struct zynqmp_r5_core *r5_core;
+	int i, num_banks, ret;
+	phys_addr_t bank_addr;
+	size_t bank_size = 0;
+	struct device *dev;
+	u32 pm_domain_id;
+	char *bank_name;
+
+	r5_core = (struct zynqmp_r5_core *)rproc->priv;
+	dev = r5_core->dev;
+
+	/* Go through zynqmp banks for r5 node */
+	num_banks = r5_core->tcm_bank_count;
+
+	/*
+	 * In lockstep mode, TCM is contiguous memory block
+	 * However, each TCM block still needs to be enabled individually.
+	 * So, Enable each TCM block individually, but add their size
+	 * to create contiguous memory region.
+	 */
+	bank_addr = r5_core->tcm_banks[0]->addr;
+	bank_name = r5_core->tcm_banks[0]->bank_name;
+
+	for (i = 0; i < num_banks; i++) {
+		bank_size += r5_core->tcm_banks[i]->size;
+		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;
+
+		/* Turn on each TCM bank individually */
+		ret = zynqmp_pm_request_node(pm_domain_id,
+					     ZYNQMP_PM_CAPABILITY_ACCESS, 0,
+					     ZYNQMP_PM_REQUEST_ACK_BLOCKING);
+		if (ret < 0) {
+			dev_err(dev, "failed to turn on TCM 0x%x", pm_domain_id);
+			goto release_tcm_lockstep;
+		}
+	}
+
+	dev_dbg(dev, "TCM add carveout lockstep mode %s addr=0x%llx, size=0x%lx",
+		bank_name, bank_addr, bank_size);
+
+	/* Register TCM address range, TCM map and unmap functions */
+	rproc_mem = rproc_mem_entry_init(dev, NULL, bank_addr,
+					 bank_size, bank_addr,
+					 tcm_mem_map, tcm_mem_unmap,
+					 bank_name);
+	if (!rproc_mem) {
+		ret = -ENOMEM;
+		goto release_tcm_lockstep;
+	}
+
+	/* If registration is success, add carveouts */
+	rproc_add_carveout(rproc, rproc_mem);
+
+	return 0;
+
+release_tcm_lockstep:
+	/* If failed, Turn off all TCM banks turned on before */
+	for (i--; i >= 0; i--) {
+		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;
+		zynqmp_pm_release_node(pm_domain_id);
+	}
+	return ret;
+}
+
+/*
+ * add_tcm_banks()
+ * @rproc: single R5 core's corresponding rproc instance
+ *
+ * Given R5 node in remoteproc instance
+ * allocate remoteproc carveout for TCM memory
+ * needed for firmware to be loaded
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int add_tcm_banks(struct rproc *rproc)
+{
+	struct zynqmp_r5_cluster *cluster;
+	struct zynqmp_r5_core *r5_core;
+	struct device *dev;
+
+	r5_core = (struct zynqmp_r5_core *)rproc->priv;
+	if (!r5_core)
+		return -EINVAL;
+
+	dev = r5_core->dev;
+
+	cluster = dev_get_drvdata(dev->parent);
+	if (!cluster) {
+		dev_err(dev->parent, "Invalid driver data\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * In lockstep mode TCM banks are one contiguous memory region of 256Kb
+	 * In split mode, each TCM bank is 64Kb and not contiguous.
+	 * We add memory carveouts accordingly.
+	 */
+	if (cluster->mode == SPLIT_MODE)
+		return add_tcm_carveout_split_mode(rproc);
+	else if (cluster->mode == LOCKSTEP_MODE)
+		return add_tcm_carveout_lockstep_mode(rproc);
+
+	dev_err(cluster->dev, "invalid cluster mode\n");
+	return -EINVAL;
+}
+
+/*
+ * zynqmp_r5_parse_fw()
+ * @rproc: single R5 core's corresponding rproc instance
+ * @fw: ptr to firmware to be loaded onto r5 core
+ *
+ * get resource table if available
+ *
+ * return 0 on success, otherwise non-zero value on failure
+ */
+static int zynqmp_r5_parse_fw(struct rproc *rproc, const struct firmware *fw)
+{
+	int ret;
+
+	ret = rproc_elf_load_rsc_table(rproc, fw);
+	if (ret == -EINVAL) {
+		/*
+		 * resource table only required for IPC.
+		 * if not present, this is not necessarily an error;
+		 * for example, loading r5 hello world application
+		 * so simply inform user and keep going.
+		 */
+		dev_info(&rproc->dev, "no resource table found.\n");
+		ret = 0;
+	}
+	return ret;
+}
+
+static int zynqmp_r5_rproc_prepare(struct rproc *rproc)
+{
+	int ret;
+
+	ret = add_tcm_banks(rproc);
+	if (ret) {
+		dev_err(&rproc->dev, "failed to get TCM banks, err %d\n", ret);
+		return ret;
+	}
+
+	ret = add_mem_regions_carveout(rproc);
+	if (ret)
+		dev_warn(&rproc->dev, "failed to get reserve mem regions %d\n",
+			 ret);
+
+	return 0;
+}
+
+static int zynqmp_r5_rproc_unprepare(struct rproc *rproc)
+{
+	struct zynqmp_r5_core *r5_core;
+	u32 pm_domain_id;
+	int i;
+
+	r5_core = (struct zynqmp_r5_core *)rproc->priv;
+
+	for (i = 0; i < r5_core->tcm_bank_count; i++) {
+		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;
+		if (zynqmp_pm_release_node(pm_domain_id))
+			dev_warn(r5_core->dev,
+				 "can't turn off TCM bank 0x%x", pm_domain_id);
+	}
+
+	return 0;
+}
+
+static const struct rproc_ops zynqmp_r5_rproc_ops = {
+	.prepare	= zynqmp_r5_rproc_prepare,
+	.unprepare	= zynqmp_r5_rproc_unprepare,
+	.start		= zynqmp_r5_rproc_start,
+	.stop		= zynqmp_r5_rproc_stop,
+	.load		= rproc_elf_load_segments,
+	.parse_fw	= zynqmp_r5_parse_fw,
+	.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
+	.sanity_check	= rproc_elf_sanity_check,
+	.get_boot_addr	= rproc_elf_get_boot_addr,
+};
+
+/**
+ * zynqmp_r5_add_rproc_core()
+ * Probes ZynqMP R5 processor device node
+ * this is called for each individual R5 core
+ *
+ * @cdev: Device node of each r5 core
+ *
+ * Return: zynqmp_r5_core object for success, error pointer in case of error.
+ */
+static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev)
+{
+	struct zynqmp_r5_core *r5_core;
+	struct rproc *r5_rproc;
+	int ret;
+
+	/* Set up DMA mask */
+	ret = dma_set_coherent_mask(cdev, DMA_BIT_MASK(32));
+	if (ret)
+		return ERR_PTR(ret);
+
+	/* Allocate remoteproc instance */
+	r5_rproc = rproc_alloc(cdev, dev_name(cdev),
+			       &zynqmp_r5_rproc_ops,
+			       NULL, sizeof(struct zynqmp_r5_core));
+	if (!r5_rproc) {
+		dev_err(cdev, "failed to allocate memory for rproc instance\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	r5_rproc->auto_boot = false;
+	r5_core = (struct zynqmp_r5_core *)r5_rproc->priv;
+	r5_core->dev = cdev;
+	r5_core->np = dev_of_node(cdev);
+	if (!r5_core->np) {
+		dev_err(cdev, "can't get device node for r5 core\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	/* Add R5 remoteproc core */
+	ret = rproc_add(r5_rproc);
+	if (ret) {
+		dev_err(cdev, "failed to add r5 remoteproc\n");
+		return ERR_PTR(ret);
+	}
+
+	r5_core->rproc = r5_rproc;
+	return r5_core;
+}
+
+/**
+ * zynqmp_r5_get_tcm_node()
+ * Ideally this function should parse tcm node and store information
+ * in r5_core instance. We will use hardcoded TCM information from
+ * driver for now in this function.
+ *
+ * @cluster: pointer to zynqmp_r5_cluster type object
+ *
+ * Return: 0 for success and error code for failure.
+ */
+static int zynqmp_r5_get_tcm_node(struct zynqmp_r5_cluster *cluster)
+{
+	struct device *dev = cluster->dev;
+	struct zynqmp_r5_core *r5_core;
+	int tcm_bank_count, tcm_node;
+	int i, j;
+
+	/*
+	 * ToDo: Use predefined TCM address space values from driver while
+	 * system-dt spec is not final for TCM
+	 */
+	tcm_bank_count = ARRAY_SIZE(zynqmp_tcm_banks);
+
+	/* count per core tcm banks */
+	tcm_bank_count = tcm_bank_count / cluster->core_count;
+
+	if (tcm_bank_count <= 0)
+		return -EINVAL;
+
+	/*
+	 * r5 core 0 will use all of TCM banks in lockstep mode.
+	 * In split mode, r5 core0 will use 128k and r5 core1 will use another
+	 * 128k. Assign TCM banks to each core accordingly
+	 */
+	tcm_node = 0;
+	for (i = 0; i < cluster->core_count; i++) {
+		r5_core = cluster->r5_cores[i];
+		r5_core->tcm_banks = devm_kcalloc(dev, tcm_bank_count,
+						  sizeof(struct mem_bank_data *),
+						  GFP_KERNEL);
+		if (!r5_core->tcm_banks)
+			return -ENOMEM;
+
+		for (j = 0; j < tcm_bank_count; j++) {
+			/*
+			 * Use pre-defined TCM reg values.
+			 * Eventually this should be replaced by values
+			 * parsed from dts.
+			 */
+			r5_core->tcm_banks[j] =
+				(struct mem_bank_data *)&zynqmp_tcm_banks[tcm_node];
+			tcm_node++;
+		}
+
+		r5_core->tcm_bank_count = tcm_bank_count;
+	}
+
+	return 0;
+}
+
+/**
+ * zynqmp_r5_get_mem_region_node()
+ * parse memory-region property from dt node and add
+ * memory region carveouts
+ *
+ * @r5_core: pointer to zynqmp_r5_core type object
+ *
+ * Return: 0 for success and error code for failure.
+ */
+static int zynqmp_r5_get_mem_region_node(struct zynqmp_r5_core *r5_core)
+{
+	struct device_node *np, *rmem_np;
+	struct reserved_mem **rmem;
+	int res_mem_count, i;
+	struct device *dev;
+
+	dev = r5_core->dev;
+	np = r5_core->np;
+
+	res_mem_count = of_property_count_elems_of_size(np, "memory-region",
+							sizeof(phandle));
+	if (res_mem_count <= 0) {
+		dev_warn(dev, "failed to get memory-region property %d\n",
+			 res_mem_count);
+		r5_core->rmem_count = 0;
+		return 0;
+	}
+
+	rmem = devm_kcalloc(dev, res_mem_count,
+			    sizeof(struct reserved_mem *), GFP_KERNEL);
+	if (!rmem)
+		return -ENOMEM;
+
+	for (i = 0; i < res_mem_count; i++) {
+		rmem_np = of_parse_phandle(np, "memory-region", i);
+		if (!rmem_np)
+			goto release_rmem;
+
+		rmem[i] = of_reserved_mem_lookup(rmem_np);
+		if (!rmem[i]) {
+			of_node_put(rmem_np);
+			goto release_rmem;
+		}
+
+		of_node_put(rmem_np);
+	}
+
+	r5_core->rmem_count = res_mem_count;
+	r5_core->rmem = rmem;
+	return 0;
+
+release_rmem:
+	for (i--; i >= 0; i--)
+		kfree(rmem[i]);
+	devm_kfree(dev, rmem);
+	return -ENOMEM;
+}
+
+/*
+ * zynqmp_r5_core_init()
+ * Create and initialize zynqmp_r5_core type object
+ *
+ * @cluster: pointer to zynqmp_r5_cluster type object
+ *
+ * Return: 0 for success and error code for failure.
+ */
+static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster,
+			       enum rpu_oper_mode fw_reg_val,
+			       enum rpu_tcm_comb tcm_mode)
+{
+	struct device *dev = cluster->dev;
+	struct zynqmp_r5_core *r5_core;
+	int ret, i;
+
+	ret = zynqmp_r5_get_tcm_node(cluster);
+	if (ret < 0) {
+		dev_err(dev, "can't get tcm node, err %d\n", ret);
+		return ret;
+	}
+
+	for (i = 0; i < cluster->core_count; i++) {
+		r5_core = cluster->r5_cores[i];
+
+		ret = zynqmp_r5_get_mem_region_node(r5_core);
+		if (ret)
+			dev_warn(dev, "memory-region prop failed %d\n", ret);
+
+		/* Initialize r5 cores with power-domains parsed from dts */
+		ret = of_property_read_u32_index(r5_core->np, "power-domains",
+						 1, &r5_core->pm_domain_id);
+		if (ret) {
+			dev_err(dev, "failed to get power-domains property\n");
+			return ret;
+		}
+
+		ret = zynqmp_r5_set_mode(r5_core, fw_reg_val, tcm_mode);
+		if (ret) {
+			dev_err(dev, "failed to set r5 cluster mode %d, err %d\n",
+				cluster->mode, ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * zynqmp_r5_cluster_init()
+ * Create and initialize zynqmp_r5_cluster type object
+ *
+ * @cluster: pointer to zynqmp_r5_cluster type object
+ *
+ * Return: 0 for success and error code for failure.
+ */
+static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster)
+{
+	enum zynqmp_r5_cluster_mode cluster_mode = LOCKSTEP_MODE;
+	struct device *dev = cluster->dev;
+	struct device_node *dev_node = dev_of_node(dev);
+	struct platform_device *child_pdev;
+	struct zynqmp_r5_core **r5_cores;
+	enum rpu_oper_mode fw_reg_val;
+	struct device **child_devs;
+	struct device_node *child;
+	enum rpu_tcm_comb tcm_mode;
+	int core_count, ret, i;
+
+	ret = of_property_read_u32(dev_node, "xlnx,cluster-mode", &cluster_mode);
+
+	/*
+	 * on success returns 0, if not defined then returns -EINVAL,
+	 * In that case, default is LOCKSTEP mode
+	 */
+	if (ret != -EINVAL && ret != 0) {
+		dev_err(dev, "Invalid xlnx,cluster-mode property\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * For now driver only supports split mode and lockstep mode.
+	 * fail driver probe if either of that is not set in dts.
+	 */
+	if (cluster_mode == LOCKSTEP_MODE) {
+		tcm_mode = PM_RPU_TCM_COMB;
+		fw_reg_val = PM_RPU_MODE_LOCKSTEP;
+	} else if (cluster_mode == SPLIT_MODE) {
+		tcm_mode = PM_RPU_TCM_SPLIT;
+		fw_reg_val = PM_RPU_MODE_SPLIT;
+	} else {
+		dev_err(dev, "driver does not support cluster mode %d\n", cluster_mode);
+		return -EINVAL;
+	}
+
+	/*
+	 * Number of cores is decided by number of child nodes of
+	 * r5f subsystem node in dts. If Split mode is used in dts
+	 * 2 child nodes are expected.
+	 * In lockstep mode if two child nodes are available,
+	 * only use first child node and consider it as core0
+	 * and ignore core1 dt node.
+	 */
+	core_count = of_get_available_child_count(dev_node);
+	if (core_count <= 0) {
+		dev_err(dev, "Invalid number of r5 cores %d", core_count);
+		return -EINVAL;
+	} else if (cluster_mode == SPLIT_MODE && core_count != 2) {
+		dev_err(dev, "Invalid number of r5 cores for split mode\n");
+		return -EINVAL;
+	} else if (cluster_mode == LOCKSTEP_MODE && core_count == 2) {
+		dev_warn(dev, "Only r5 core0 will be used\n");
+		core_count = 1;
+	}
+
+	child_devs = kcalloc(core_count, sizeof(struct device *), GFP_KERNEL);
+	if (!child_devs)
+		return -ENOMEM;
+
+	r5_cores = kcalloc(core_count,
+			   sizeof(struct zynqmp_r5_core *), GFP_KERNEL);
+	if (!r5_cores) {
+		kfree(child_devs);
+		return -ENOMEM;
+	}
+
+	i = 0;
+	for_each_available_child_of_node(dev_node, child) {
+		child_pdev = of_find_device_by_node(child);
+		if (!child_pdev) {
+			of_node_put(child);
+			ret = -ENODEV;
+			goto release_r5_cores;
+		}
+
+		child_devs[i] = &child_pdev->dev;
+
+		/* create and add remoteproc instance of type struct rproc */
+		r5_cores[i] = zynqmp_r5_add_rproc_core(&child_pdev->dev);
+		if (IS_ERR(r5_cores[i])) {
+			of_node_put(child);
+			ret = PTR_ERR(r5_cores[i]);
+			goto release_r5_cores;
+		}
+
+		i++;
+
+		/*
+		 * If two child nodes are available in dts in lockstep mode,
+		 * then ignore second child node.
+		 */
+		if (i == core_count) {
+			of_node_put(child);
+			break;
+		}
+	}
+
+	cluster->mode = cluster_mode;
+	cluster->core_count = core_count;
+	cluster->r5_cores = r5_cores;
+
+	ret = zynqmp_r5_core_init(cluster, fw_reg_val, tcm_mode);
+	if (ret < 0) {
+		dev_err(dev, "failed to init r5 core err %d\n", ret);
+		cluster->core_count = 0;
+		cluster->r5_cores = NULL;
+		goto release_r5_cores;
+	}
+
+	kfree(child_devs);
+	return 0;
+
+release_r5_cores:
+	for (i--; i >= 0; i--) {
+		put_device(child_devs[i]);
+		rproc_del(r5_cores[i]->rproc);
+		rproc_free(r5_cores[i]->rproc);
+	}
+	kfree(r5_cores);
+	kfree(child_devs);
+	return ret;
+}
+
+static void zynqmp_r5_cluster_exit(void *data)
+{
+	struct platform_device *pdev = (struct platform_device *)data;
+	struct zynqmp_r5_cluster *cluster;
+	struct zynqmp_r5_core *r5_core;
+	int i;
+
+	cluster = (struct zynqmp_r5_cluster *)platform_get_drvdata(pdev);
+	if (!cluster)
+		return;
+
+	for (i = 0; i < cluster->core_count; i++) {
+		r5_core = cluster->r5_cores[i];
+		put_device(r5_core->dev);
+		rproc_del(r5_core->rproc);
+		rproc_free(r5_core->rproc);
+	}
+
+	kfree(cluster->r5_cores);
+	kfree(cluster);
+	platform_set_drvdata(pdev, NULL);
+}
+
+/*
+ * zynqmp_r5_remoteproc_probe()
+ *
+ * @pdev: domain platform device for R5 cluster
+ *
+ * called when driver is probed, for each R5 core specified in DT,
+ * setup as needed to do remoteproc-related operations
+ *
+ * Return: 0 for success, negative value for failure.
+ */
+static int zynqmp_r5_remoteproc_probe(struct platform_device *pdev)
+{
+	struct zynqmp_r5_cluster *cluster;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	cluster = kzalloc(sizeof(*cluster), GFP_KERNEL);
+	if (!cluster)
+		return -ENOMEM;
+
+	cluster->dev = dev;
+
+	ret = devm_of_platform_populate(dev);
+	if (ret) {
+		dev_err_probe(dev, ret, "failed to populate platform dev\n");
+		kfree(cluster);
+		return ret;
+	}
+
+	/* wire in so each core can be cleaned up at driver remove */
+	platform_set_drvdata(pdev, cluster);
+
+	ret = zynqmp_r5_cluster_init(cluster);
+	if (ret) {
+		zynqmp_r5_cluster_exit(pdev);
+		dev_err_probe(dev, ret, "Invalid r5f subsystem device tree\n");
+		return ret;
+	}
+
+	ret = devm_add_action_or_reset(dev, zynqmp_r5_cluster_exit, pdev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+/* Match table for OF platform binding */
+static const struct of_device_id zynqmp_r5_remoteproc_match[] = {
+	{ .compatible = "xlnx,zynqmp-r5fss", },
+	{ /* end of list */ },
+};
+MODULE_DEVICE_TABLE(of, zynqmp_r5_remoteproc_match);
+
+static struct platform_driver zynqmp_r5_remoteproc_driver = {
+	.probe = zynqmp_r5_remoteproc_probe,
+	.driver = {
+		.name = "zynqmp_r5_remoteproc",
+		.of_match_table = zynqmp_r5_remoteproc_match,
+	},
+};
+module_platform_driver(zynqmp_r5_remoteproc_driver);
+
+MODULE_DESCRIPTION("Xilinx R5F remote processor driver");
+MODULE_AUTHOR("Xilinx Inc.");
+MODULE_LICENSE("GPL");
