diff --git a/sys/dev/uart/uart_dev_snps.c b/sys/dev/uart/uart_dev_snps.c
--- a/sys/dev/uart/uart_dev_snps.c
+++ b/sys/dev/uart/uart_dev_snps.c
@@ -223,6 +223,22 @@
 	return (BUS_PROBE_VENDOR);
 }
 
+static int
+snps_attach(device_t dev)
+{
+	phandle_t node;
+	int ret;
+
+	ret = uart_bus_attach(dev);
+	if (ret == 0) {
+		node = ofw_bus_get_node(dev);
+		/* Set up phandle to dev mapping */
+		OF_device_register_xref(OF_xref_from_node(node), dev);
+	}
+
+	return (ret);
+}
+
 static int
 snps_detach(device_t dev)
 {
@@ -269,7 +285,7 @@
 static device_method_t snps_bus_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_probe,		snps_probe),
-	DEVMETHOD(device_attach,	uart_bus_attach),
+	DEVMETHOD(device_attach,	snps_attach),
 	DEVMETHOD(device_detach, 	snps_detach),
 	DEVMETHOD_END
 };