diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 8ea15c7..dfad798 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -8,6 +8,7 @@
 #include <common.h>
 #include <cpu_func.h>
 #include <dm.h>
+#include <dm/device_compat.h>
 #include <dm/lists.h>
 #include <log.h>
 #include <zynqmp_firmware.h>
@@ -290,10 +291,31 @@
 
 static int zynqmp_power_probe(struct udevice *dev)
 {
+	struct udevice *ipi_dev;
+	ofnode ipi_node;
 	int ret;
 
 	debug("%s, (dev=%p)\n", __func__, dev);
 
+	/*
+	 * Probe all IPI parent node driver. It is important to have IPI
+	 * devices available when requested by mbox_get_by* API.
+	 * If IPI device isn't available, then mailbox request fails and
+	 * that causes system boot failure.
+	 * To avoid this make sure all IPI parent drivers are probed here,
+	 * and IPI parent driver binds each child node to mailbox driver.
+	 * This way mbox_get_by_* API will have correct mailbox device
+	 * driver probed.
+	 */
+	ofnode_for_each_compatible_node(ipi_node, "xlnx,zynqmp-ipi-mailbox") {
+		ret = uclass_get_device_by_ofnode(UCLASS_NOP, ipi_node, &ipi_dev);
+		if (ret) {
+			dev_err(dev, "failed to get IPI device from node %s\n",
+				ofnode_get_name(ipi_node));
+			return ret;
+		}
+	}
+
 	ret = mbox_get_by_name(dev, "tx", &zynqmp_power.tx_chan);
 	if (ret) {
 		debug("%s: Cannot find tx mailbox\n", __func__);
diff --git a/drivers/mailbox/zynqmp-ipi.c b/drivers/mailbox/zynqmp-ipi.c
index e76561f..eb86847 100644
--- a/drivers/mailbox/zynqmp-ipi.c
+++ b/drivers/mailbox/zynqmp-ipi.c
@@ -12,6 +12,7 @@
 #include <dm.h>
 #include <mailbox-uclass.h>
 #include <dm/device_compat.h>
+#include <dm/lists.h>
 #include <dm/of_access.h>
 #include <linux/arm-smccc.h>
 #include <linux/ioport.h>
@@ -157,7 +158,7 @@
 	return ret;
 };
 
-static int zynqmp_ipi_probe(struct udevice *dev)
+static int zynqmp_ipi_dest_probe(struct udevice *dev)
 {
 	struct zynqmp_ipi *zynqmp = dev_get_priv(dev);
 	struct resource res;
@@ -166,14 +167,12 @@
 
 	debug("%s(dev=%p)\n", __func__, dev);
 
+	node = dev_ofnode(dev);
+
 	if (IS_ENABLED(CONFIG_SPL_BUILD) || of_machine_is_compatible("xlnx,zynqmp"))
 		zynqmp->el3_supported = true;
 
-	/* Get subnode where the regs are defined */
-	/* Note IPI mailbox node needs to be the first one in DT */
-	node = ofnode_first_subnode(dev_ofnode(dev));
-
-	ret = dev_read_u32(dev, "xlnx,ipi-id", &zynqmp->local_id);
+	ret = dev_read_u32(dev->parent, "xlnx,ipi-id", &zynqmp->local_id);
 	if (ret) {
 		dev_err(dev, "can't get local ipi id\n");
 		return ret;
@@ -191,6 +190,8 @@
 	};
 	zynqmp->local_req_regs = devm_ioremap(dev, res.start,
 					      (res.start - res.end));
+	if (!zynqmp->local_req_regs)
+		return -EINVAL;
 
 	if (ofnode_read_resource_byname(node, "local_response_region", &res)) {
 		dev_err(dev, "No reg property for local_response_region\n");
@@ -198,6 +199,8 @@
 	};
 	zynqmp->local_res_regs = devm_ioremap(dev, res.start,
 					      (res.start - res.end));
+	if (!zynqmp->local_res_regs)
+		return -EINVAL;
 
 	if (ofnode_read_resource_byname(node, "remote_request_region", &res)) {
 		dev_err(dev, "No reg property for remote_request_region\n");
@@ -205,6 +208,8 @@
 	};
 	zynqmp->remote_req_regs = devm_ioremap(dev, res.start,
 					       (res.start - res.end));
+	if (!zynqmp->remote_req_regs)
+		return -EINVAL;
 
 	if (ofnode_read_resource_byname(node, "remote_response_region", &res)) {
 		dev_err(dev, "No reg property for remote_response_region\n");
@@ -212,25 +217,59 @@
 	};
 	zynqmp->remote_res_regs = devm_ioremap(dev, res.start,
 					       (res.start - res.end));
+	if (!zynqmp->remote_res_regs)
+		return -EINVAL;
 
 	return 0;
 };
 
+static int zynqmp_ipi_probe(struct udevice *dev)
+{
+	struct udevice *cdev;
+	ofnode cnode;
+	int ret;
+
+	debug("%s(dev=%p)\n", __func__, dev);
+
+	dev_for_each_subnode(cnode, dev) {
+		ret = device_bind_driver_to_node(dev, "zynqmp_ipi_dest",
+						 ofnode_get_name(cnode),
+						 cnode, &cdev);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+};
+
+struct mbox_ops zynqmp_ipi_dest_mbox_ops = {
+	.send = zynqmp_ipi_send,
+	.recv = zynqmp_ipi_recv,
+};
+
+static const struct udevice_id zynqmp_ipi_dest_ids[] = {
+	{ .compatible = "xlnx,zynqmp-ipi-dest-mailbox" },
+	{ }
+};
+
+U_BOOT_DRIVER(zynqmp_ipi_dest) = {
+	.name = "zynqmp_ipi_dest",
+	.id = UCLASS_MAILBOX,
+	.of_match = zynqmp_ipi_dest_ids,
+	.probe = zynqmp_ipi_dest_probe,
+	.priv_auto = sizeof(struct zynqmp_ipi),
+	.ops = &zynqmp_ipi_dest_mbox_ops,
+};
+
 static const struct udevice_id zynqmp_ipi_ids[] = {
 	{ .compatible = "xlnx,zynqmp-ipi-mailbox" },
 	{ }
 };
 
-struct mbox_ops zynqmp_ipi_mbox_ops = {
-	.send = zynqmp_ipi_send,
-	.recv = zynqmp_ipi_recv,
-};
-
 U_BOOT_DRIVER(zynqmp_ipi) = {
 	.name = "zynqmp_ipi",
-	.id = UCLASS_MAILBOX,
+	.id = UCLASS_NOP,
 	.of_match = zynqmp_ipi_ids,
 	.probe = zynqmp_ipi_probe,
-	.priv_auto	= sizeof(struct zynqmp_ipi),
-	.ops = &zynqmp_ipi_mbox_ops,
+	.flags = DM_FLAG_PROBE_AFTER_BIND,
 };