v4.19.13 snapshot.
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h
new file mode 100644
index 0000000..aa6a263
--- /dev/null
+++ b/include/linux/mtd/physmap.h
@@ -0,0 +1,36 @@
+/*
+ * For boards with physically mapped flash and using
+ * drivers/mtd/maps/physmap.c mapping driver.
+ *
+ * Copyright (C) 2003 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __LINUX_MTD_PHYSMAP__
+#define __LINUX_MTD_PHYSMAP__
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+struct map_info;
+struct platform_device;
+
+struct physmap_flash_data {
+	unsigned int		width;
+	int			(*init)(struct platform_device *);
+	void			(*exit)(struct platform_device *);
+	void			(*set_vpp)(struct platform_device *, int);
+	unsigned int		nr_parts;
+	unsigned int		pfow_base;
+	char                    *probe_type;
+	struct mtd_partition	*parts;
+	const char * const	*part_probe_types;
+};
+
+#endif /* __LINUX_MTD_PHYSMAP__ */