lcd: add functions to set up simplefb device tree
simple-framebuffer is a new device tree binding that describes a pre-
configured frame-buffer memory region and its format. The Linux kernel
contains a driver that supports this binding. Implement functions to
create a DT node (or fill in an existing node) with parameters that
describe the framebuffer format that U-Boot is using.
This will be immediately used by the Raspberry Pi board in U-Boot, and
likely will be used by the Samsung ARM ChromeBook support soon too. It
could well be used by many other boards (e.g. Tegra boards with built-in
LCD panels, which aren't yet supported by the Linux kernel).
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/include/lcd.h b/include/lcd.h
index c6e7fc5..30225ed 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -324,6 +324,9 @@
/* Return the size of the LCD frame buffer, and the line length */
int lcd_get_size(int *line_length);
+int lcd_dt_simplefb_add_node(void *blob);
+int lcd_dt_simplefb_enable_existing_node(void *blob);
+
/************************************************************************/
/* ** BITMAP DISPLAY SUPPORT */
/************************************************************************/