ARM: S5PC1xx: add platform helpers for s3c-fb device

Samsung S5PC100 has LCD-controller compatible with the one known from
previous SoCs series. Add required platform setup and support code that
it can be used with s3c-fb driver.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c/include/plat/fb.h b/arch/arm/plat-s3c/include/plat/fb.h
index 214ff56..f8db879 100644
--- a/arch/arm/plat-s3c/include/plat/fb.h
+++ b/arch/arm/plat-s3c/include/plat/fb.h
@@ -70,4 +70,11 @@
  */
 extern void s3c64xx_fb_gpio_setup_24bpp(void);
 
+/**
+ * s5pc100_fb_gpio_setup_24bpp() - S5PC100 setup function for 24bpp LCD
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
+ */
+extern void s5pc100_fb_gpio_setup_24bpp(void);
+
 #endif /* __PLAT_S3C_FB_H */