OMAPDSS: Add new TPD12S015 Encoder driver

Add TPD12S015 HDMI ESD protection and level shifter encoder driver which
uses the new DSS device model and DSS ops.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

include/video/omap-panel-data.h

@@ -160,4 +160,20 @@ struct encoder_tfp410_platform_data {
 	int data_lines;
 };
 
+/**
+ * encoder_tpd12s015 platform data
+ * @name: name for this display entity
+ * @ct_cp_hpd_gpio: CT_CP_HPD gpio number
+ * @ls_oe_gpio: LS_OE gpio number
+ * @hpd_gpio: HPD gpio number
+ */
+struct encoder_tpd12s015_platform_data {
+	const char *name;
+	const char *source;
+
+	int ct_cp_hpd_gpio;
+	int ls_oe_gpio;
+	int hpd_gpio;
+};
+
 #endif /* __OMAP_PANEL_DATA_H */