diff --git a/common/image-fit.c b/common/image-fit.c
index 1d7791c515..cac84001db 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -527,6 +527,29 @@ int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
 	return 0;
 }
 
+/**
+ * fit_get_totalsize - get node totalsize property.
+ *
+ * @fit: pointer to the FIT image header
+ * @totalsize: holds the /totalsize property
+ *
+ * returns:
+ *     0, on success
+ *     -ENOENT if the property could not be found
+ */
+int fit_get_totalsize(const void *fit, int *totalsize)
+{
+	const fdt32_t *val;
+
+	val = fdt_getprop(fit, 0, FIT_TOTALSIZE_PROP, NULL);
+	if (!val)
+		return -ENOENT;
+
+	*totalsize = fdt32_to_cpu(*val);
+
+	return 0;
+}
+
 /**
  * fit_image_get_node - get node offset for component image of a given unit name
  * @fit: pointer to the FIT format image header
diff --git a/include/image.h b/include/image.h
index d15b345362..b5fd1c84c9 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1001,6 +1001,7 @@ static inline const char *fit_get_name(const void *fit_hdr,
 
 int fit_get_desc(const void *fit, int noffset, char **desc);
 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp);
+int fit_get_totalsize(const void *fit, int *totalsize);
 
 int fit_image_get_node(const void *fit, const char *image_uname);
 int fit_image_get_os(const void *fit, int noffset, uint8_t *os);