--- /dev/null
+#ifndef MT9P031_H
+#define MT9P031_H
+
+struct v4l2_subdev;
+
+/*
+ * struct mt9p031_platform_data - MT9P031 platform data
+ * @ext_freq: Input clock frequency
+ * @target_freq: Pixel clock frequency
+ */
+struct mt9p031_platform_data {
+ int ext_freq;
+ int target_freq;
+};
+
+#endif