diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 2b1535c..4f27225 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -286,6 +286,7 @@ config ARCH_ZX
 
 config ARCH_ZYNQMP
 	bool "Xilinx ZynqMP Family"
+	select ZYNQMP_FIRMWARE
 	help
 	  This enables support for Xilinx ZynqMP Family
 
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 6e83880..36344cb 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -291,5 +291,6 @@ source "drivers/firmware/google/Kconfig"
 source "drivers/firmware/efi/Kconfig"
 source "drivers/firmware/meson/Kconfig"
 source "drivers/firmware/tegra/Kconfig"
+source "drivers/firmware/xilinx/Kconfig"
 
 endmenu
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index e18a041..99583d3 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -32,3 +32,4 @@ obj-$(CONFIG_GOOGLE_FIRMWARE)	+= google/
 obj-$(CONFIG_EFI)		+= efi/
 obj-$(CONFIG_UEFI_CPER)		+= efi/
 obj-y				+= tegra/
+obj-y				+= xilinx/
diff --git a/drivers/firmware/xilinx/Kconfig b/drivers/firmware/xilinx/Kconfig
new file mode 100644
index 0000000..cce4e4f
--- /dev/null
+++ b/drivers/firmware/xilinx/Kconfig
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+# Kconfig for Xilinx firmwares
+
+menu "Zynq MPSoC Firmware Drivers"
+	depends on ARCH_ZYNQMP
+
+config ZYNQMP_FIRMWARE
+	bool "Enable Xilinx Zynq MPSoC firmware interface"
+	help
+	  Firmware interface driver is used by different to
+	  communicate with the firmware for various platform
+	  management services.
+	  Say yes to enable ZynqMP firmware interface driver.
+	  In doubt, say N
+
+endmenu
diff --git a/drivers/firmware/xilinx/Makefile b/drivers/firmware/xilinx/Makefile
new file mode 100644
index 0000000..29f7bf2
--- /dev/null
+++ b/drivers/firmware/xilinx/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for Xilinx firmwares
+
+obj-$(CONFIG_ZYNQMP_FIRMWARE) += zynqmp.o
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
new file mode 100644
index 0000000..490561a
--- /dev/null
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Xilinx Zynq MPSoC Firmware layer
+ *
+ *  Copyright (C) 2014-2018 Xilinx, Inc.
+ *
+ *  Michal Simek <michal.simek@xilinx.com>
+ *  Davorin Mista <davorin.mista@aggios.com>
+ *  Jolly Shah <jollys@xilinx.com>
+ *  Rajan Vaja <rajanv@xilinx.com>
+ */
+
+#include <linux/arm-smccc.h>
+#include <linux/compiler.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include <linux/firmware/xlnx-zynqmp.h>
+
+/**
+ * zynqmp_pm_ret_code() - Convert PMU-FW error codes to Linux error codes
+ * @ret_status:		PMUFW return code
+ *
+ * Return: corresponding Linux error code
+ */
+static int zynqmp_pm_ret_code(u32 ret_status)
+{
+	switch (ret_status) {
+	case XST_PM_SUCCESS:
+	case XST_PM_DOUBLE_REQ:
+		return 0;
+	case XST_PM_NO_ACCESS:
+		return -EACCES;
+	case XST_PM_ABORT_SUSPEND:
+		return -ECANCELED;
+	case XST_PM_INTERNAL:
+	case XST_PM_CONFLICT:
+	case XST_PM_INVALID_NODE:
+	default:
+		return -EINVAL;
+	}
+}
+
+static noinline int do_fw_call_fail(u64 arg0, u64 arg1, u64 arg2,
+				    u32 *ret_payload)
+{
+	return -ENODEV;
+}
+
+/*
+ * PM function call wrapper
+ * Invoke do_fw_call_smc or do_fw_call_hvc, depending on the configuration
+ */
+static int (*do_fw_call)(u64, u64, u64, u32 *ret_payload) = do_fw_call_fail;
+
+/**
+ * do_fw_call_smc() - Call system-level platform management layer (SMC)
+ * @arg0:		Argument 0 to SMC call
+ * @arg1:		Argument 1 to SMC call
+ * @arg2:		Argument 2 to SMC call
+ * @ret_payload:	Returned value array
+ *
+ * Invoke platform management function via SMC call (no hypervisor present).
+ *
+ * Return: Returns status, either success or error+reason
+ */
+static noinline int do_fw_call_smc(u64 arg0, u64 arg1, u64 arg2,
+				   u32 *ret_payload)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_smc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res);
+
+	if (ret_payload) {
+		ret_payload[0] = lower_32_bits(res.a0);
+		ret_payload[1] = upper_32_bits(res.a0);
+		ret_payload[2] = lower_32_bits(res.a1);
+		ret_payload[3] = upper_32_bits(res.a1);
+	}
+
+	return zynqmp_pm_ret_code((enum pm_ret_status)res.a0);
+}
+
+/**
+ * do_fw_call_hvc() - Call system-level platform management layer (HVC)
+ * @arg0:		Argument 0 to HVC call
+ * @arg1:		Argument 1 to HVC call
+ * @arg2:		Argument 2 to HVC call
+ * @ret_payload:	Returned value array
+ *
+ * Invoke platform management function via HVC
+ * HVC-based for communication through hypervisor
+ * (no direct communication with ATF).
+ *
+ * Return: Returns status, either success or error+reason
+ */
+static noinline int do_fw_call_hvc(u64 arg0, u64 arg1, u64 arg2,
+				   u32 *ret_payload)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_hvc(arg0, arg1, arg2, 0, 0, 0, 0, 0, &res);
+
+	if (ret_payload) {
+		ret_payload[0] = lower_32_bits(res.a0);
+		ret_payload[1] = upper_32_bits(res.a0);
+		ret_payload[2] = lower_32_bits(res.a1);
+		ret_payload[3] = upper_32_bits(res.a1);
+	}
+
+	return zynqmp_pm_ret_code((enum pm_ret_status)res.a0);
+}
+
+/**
+ * zynqmp_pm_invoke_fn() - Invoke the system-level platform management layer
+ *			   caller function depending on the configuration
+ * @pm_api_id:		Requested PM-API call
+ * @arg0:		Argument 0 to requested PM-API call
+ * @arg1:		Argument 1 to requested PM-API call
+ * @arg2:		Argument 2 to requested PM-API call
+ * @arg3:		Argument 3 to requested PM-API call
+ * @ret_payload:	Returned value array
+ *
+ * Invoke platform management function for SMC or HVC call, depending on
+ * configuration.
+ * Following SMC Calling Convention (SMCCC) for SMC64:
+ * Pm Function Identifier,
+ * PM_SIP_SVC + PM_API_ID =
+ *	((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT)
+ *	((SMC_64) << FUNCID_CC_SHIFT)
+ *	((SIP_START) << FUNCID_OEN_SHIFT)
+ *	((PM_API_ID) & FUNCID_NUM_MASK))
+ *
+ * PM_SIP_SVC	- Registered ZynqMP SIP Service Call.
+ * PM_API_ID	- Platform Management API ID.
+ *
+ * Return: Returns status, either success or error+reason
+ */
+int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
+			u32 arg2, u32 arg3, u32 *ret_payload)
+{
+	/*
+	 * Added SIP service call Function Identifier
+	 * Make sure to stay in x0 register
+	 */
+	u64 smc_arg[4];
+
+	smc_arg[0] = PM_SIP_SVC | pm_api_id;
+	smc_arg[1] = ((u64)arg1 << 32) | arg0;
+	smc_arg[2] = ((u64)arg3 << 32) | arg2;
+
+	return do_fw_call(smc_arg[0], smc_arg[1], smc_arg[2], ret_payload);
+}
+
+static u32 pm_api_version;
+static u32 pm_tz_version;
+
+/**
+ * zynqmp_pm_get_api_version() - Get version number of PMU PM firmware
+ * @version:	Returned version value
+ *
+ * Return: Returns status, either success or error+reason
+ */
+static int zynqmp_pm_get_api_version(u32 *version)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	if (!version)
+		return -EINVAL;
+
+	/* Check is PM API version already verified */
+	if (pm_api_version > 0) {
+		*version = pm_api_version;
+		return 0;
+	}
+	ret = zynqmp_pm_invoke_fn(PM_GET_API_VERSION, 0, 0, 0, 0, ret_payload);
+	*version = ret_payload[1];
+
+	return ret;
+}
+
+/**
+ * zynqmp_pm_get_trustzone_version() - Get secure trustzone firmware version
+ * @version:	Returned version value
+ *
+ * Return: Returns status, either success or error+reason
+ */
+static int zynqmp_pm_get_trustzone_version(u32 *version)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	if (!version)
+		return -EINVAL;
+
+	/* Check is PM trustzone version already verified */
+	if (pm_tz_version > 0) {
+		*version = pm_tz_version;
+		return 0;
+	}
+	ret = zynqmp_pm_invoke_fn(PM_GET_TRUSTZONE_VERSION, 0, 0,
+				  0, 0, ret_payload);
+	*version = ret_payload[1];
+
+	return ret;
+}
+
+/**
+ * get_set_conduit_method() - Choose SMC or HVC based communication
+ * @np:		Pointer to the device_node structure
+ *
+ * Use SMC or HVC-based functions to communicate with EL2/EL3.
+ *
+ * Return: Returns 0 on success or error code
+ */
+static int get_set_conduit_method(struct device_node *np)
+{
+	const char *method;
+
+	if (of_property_read_string(np, "method", &method)) {
+		pr_warn("%s missing \"method\" property\n", __func__);
+		return -ENXIO;
+	}
+
+	if (!strcmp("hvc", method)) {
+		do_fw_call = do_fw_call_hvc;
+	} else if (!strcmp("smc", method)) {
+		do_fw_call = do_fw_call_smc;
+	} else {
+		pr_warn("%s Invalid \"method\" property: %s\n",
+			__func__, method);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct zynqmp_eemi_ops eemi_ops = {
+	.get_api_version = zynqmp_pm_get_api_version,
+};
+
+/**
+ * zynqmp_pm_get_eemi_ops - Get eemi ops functions
+ *
+ * Return: pointer of eemi_ops structure
+ */
+const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
+{
+	return &eemi_ops;
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_get_eemi_ops);
+
+static int __init zynqmp_plat_init(void)
+{
+	struct device_node *np;
+	int ret = 0;
+
+	np = of_find_compatible_node(NULL, NULL, "xlnx,zynqmp");
+	if (!np)
+		return 0;
+	of_node_put(np);
+
+	/*
+	 * We're running on a ZynqMP machine,
+	 * the zynqmp-firmware node is mandatory.
+	 */
+	np = of_find_compatible_node(NULL, NULL, "xlnx,zynqmp-firmware");
+	if (!np) {
+		pr_warn("%s: zynqmp-firmware node not found\n", __func__);
+		return -ENXIO;
+	}
+
+	ret = get_set_conduit_method(np);
+	if (ret) {
+		of_node_put(np);
+		return ret;
+	}
+
+	/* Check PM API version number */
+	zynqmp_pm_get_api_version(&pm_api_version);
+	if (pm_api_version < ZYNQMP_PM_VERSION) {
+		panic("%s Platform Management API version error. Expected: v%d.%d - Found: v%d.%d\n",
+		      __func__,
+		      ZYNQMP_PM_VERSION_MAJOR, ZYNQMP_PM_VERSION_MINOR,
+		      pm_api_version >> 16, pm_api_version & 0xFFFF);
+	}
+
+	pr_info("%s Platform Management API v%d.%d\n", __func__,
+		pm_api_version >> 16, pm_api_version & 0xFFFF);
+
+	/* Check trustzone version number */
+	ret = zynqmp_pm_get_trustzone_version(&pm_tz_version);
+	if (ret)
+		panic("Legacy trustzone found without version support\n");
+
+	if (pm_tz_version < ZYNQMP_TZ_VERSION)
+		panic("%s Trustzone version error. Expected: v%d.%d - Found: v%d.%d\n",
+		      __func__,
+		      ZYNQMP_TZ_VERSION_MAJOR, ZYNQMP_TZ_VERSION_MINOR,
+		      pm_tz_version >> 16, pm_tz_version & 0xFFFF);
+
+	pr_info("%s Trustzone version v%d.%d\n", __func__,
+		pm_tz_version >> 16, pm_tz_version & 0xFFFF);
+
+	of_node_put(np);
+
+	return ret;
+}
+early_initcall(zynqmp_plat_init);
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
new file mode 100644
index 0000000..cb63bed
--- /dev/null
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Xilinx Zynq MPSoC Firmware layer
+ *
+ *  Copyright (C) 2014-2018 Xilinx
+ *
+ *  Michal Simek <michal.simek@xilinx.com>
+ *  Davorin Mista <davorin.mista@aggios.com>
+ *  Jolly Shah <jollys@xilinx.com>
+ *  Rajan Vaja <rajanv@xilinx.com>
+ */
+
+#ifndef __FIRMWARE_ZYNQMP_H__
+#define __FIRMWARE_ZYNQMP_H__
+
+#define ZYNQMP_PM_VERSION_MAJOR	1
+#define ZYNQMP_PM_VERSION_MINOR	0
+
+#define ZYNQMP_PM_VERSION	((ZYNQMP_PM_VERSION_MAJOR << 16) | \
+					ZYNQMP_PM_VERSION_MINOR)
+
+#define ZYNQMP_TZ_VERSION_MAJOR	1
+#define ZYNQMP_TZ_VERSION_MINOR	0
+
+#define ZYNQMP_TZ_VERSION	((ZYNQMP_TZ_VERSION_MAJOR << 16) | \
+					ZYNQMP_TZ_VERSION_MINOR)
+
+/* SMC SIP service Call Function Identifier Prefix */
+#define PM_SIP_SVC			0xC2000000
+#define PM_GET_TRUSTZONE_VERSION	0xa03
+
+/* Number of 32bits values in payload */
+#define PAYLOAD_ARG_CNT	4U
+
+enum pm_api_id {
+	PM_GET_API_VERSION = 1,
+};
+
+/* PMU-FW return status codes */
+enum pm_ret_status {
+	XST_PM_SUCCESS = 0,
+	XST_PM_INTERNAL = 2000,
+	XST_PM_CONFLICT,
+	XST_PM_NO_ACCESS,
+	XST_PM_INVALID_NODE,
+	XST_PM_DOUBLE_REQ,
+	XST_PM_ABORT_SUSPEND,
+};
+
+struct zynqmp_eemi_ops {
+	int (*get_api_version)(u32 *version);
+};
+
+#if IS_REACHABLE(CONFIG_ARCH_ZYNQMP)
+const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void);
+#else
+static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
+{
+	return NULL;
+}
+#endif
+
+#endif /* __FIRMWARE_ZYNQMP_H__ */
