OMAP: DSS2: Add Nokia DSI command mode panel configuration struct

Introduce a configuration struct for platform/board specific information
of Nokia DSI command mode panels, to be used in addition to struct
omap_dss_device (passed via the 'void *data' member).
Signed-off-by: NJani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@nokia.com>

arch/arm/plat-omap/include/plat/nokia-dsi-panel.h

+#ifndef __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H
+#define __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H
+
+#include "display.h"
+
+/**
+ * struct nokia_dsi_panel_data - Nokia DSI panel driver configuration
+ * @name: panel name
+ * @use_ext_te: use external TE
+ * @ext_te_gpio: external TE GPIO
+ * @use_esd_check: perform ESD checks
+ * @max_backlight_level: maximum backlight level
+ * @set_backlight: pointer to backlight set function
+ * @get_backlight: pointer to backlight get function
+ */
+struct nokia_dsi_panel_data {
+	const char *name;
+
+	int reset_gpio;
+
+	bool use_ext_te;
+	int ext_te_gpio;
+
+	bool use_esd_check;
+
+	int max_backlight_level;
+	int (*set_backlight)(struct omap_dss_device *dssdev, int level);
+	int (*get_backlight)(struct omap_dss_device *dssdev);
+};
+
+#endif /* __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H */