Merge branch 'master' of git://git.denx.de/u-boot-spi

include/dm/device.h

@@ -466,6 +466,19 @@ fdt_addr_t dev_get_addr(struct udevice *dev);
  */
 void *dev_get_addr_ptr(struct udevice *dev);
 
+/**
+ * dev_map_physmem() - Read device address from reg property of the
+ *                     device node and map the address into CPU address
+ *                     space.
+ *
+ * @dev: Pointer to device
+ * @size: size of the memory to map
+ *
+ * @return  mapped address, or NULL if the device does not have reg
+ *          property.
+ */
+void *dev_map_physmem(struct udevice *dev, unsigned long size);
+
 /**
  * dev_get_addr_index() - Get the indexed reg property of a device
  *