+/*
+ * Check if the DT contains pins in the direct child nodes. This indicates the
+ * newer DT format to store pins. This function returns true if the first found
+ * fsl,pins property is in a child of np. Otherwise false is returned.
+ */
+static bool imx_pinctrl_dt_is_flat_functions(struct device_node *np)
+{
+ struct device_node *function_np;
+ struct device_node *pinctrl_np;
+
+ for_each_child_of_node(np, function_np) {
+ if (of_property_read_bool(function_np, "fsl,pins"))
+ return true;
+
+ for_each_child_of_node(function_np, pinctrl_np) {
+ if (of_property_read_bool(pinctrl_np, "fsl,pins"))
+ return false;
+ }
+ }
+
+ return true;
+}
+