diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 9bbd5c06cb39..a46e8d845841 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/errno.h>
+#include <linux/libfdt.h>
 
 /* Definitions used by the flattened device tree */
 #define OF_DT_HEADER		0xd00dfeed	/* marker */
@@ -38,6 +39,32 @@ extern char __dtb_end[];
 /* Other Prototypes */
 extern u64 of_flat_dt_translate_address(unsigned long node);
 extern void of_fdt_limit_memory(int limit);
+
+/**
+ * of_fdt_get_ddrtype - Return the type of ddr (4/5) on the current device
+ *
+ * On match, returns a non-zero positive value which matches the ddr type.
+ * Otherwise returns -ENOENT.
+ */
+static inline int of_fdt_get_ddrtype(void)
+{
+	int memory;
+	int len;
+	int ret;
+	fdt32_t *prop = NULL;
+
+	memory = fdt_path_offset(initial_boot_params, "/memory");
+	if (memory > 0)
+		prop = fdt_getprop_w(initial_boot_params, memory,
+				  "ddr_device_type", &len);
+
+	if (!prop || len != sizeof(u32))
+		return -ENOENT;
+
+	ret = fdt32_to_cpu(*prop);
+
+	return ret;
+}
 #endif /* CONFIG_OF_FLATTREE */
 
 #ifdef CONFIG_OF_EARLY_FLATTREE