[ARM] 5228/1: Add the RGB555 wiring for the atmel LCD

Add the RGB555 wiring for the atmel LCD.
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: NHaavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: NGuillaume GARDET <guillaume.gardet@free.fr>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

drivers/video/atmel_lcdfb.c

@@ -378,6 +378,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
 			var->red.offset = 11;
 			var->blue.offset = 0;
 			var->green.length = 6;
+		} else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) {
+			var->red.offset = 10;
+			var->blue.offset = 0;
+			var->green.length = 5;
 		} else {
 			/* BGR:555 mode */
 			var->red.offset = 0;

include/video/atmel_lcdc.h

@@ -30,6 +30,7 @@
  */
 #define ATMEL_LCDC_WIRING_BGR	0
 #define ATMEL_LCDC_WIRING_RGB	1
+#define ATMEL_LCDC_WIRING_RGB555	2
 
 
  /* LCD Controller info data structure, stored in device platform_data */