From 4569cd561d0df3b5f9221a9517bc4c399ce8a25b Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 8 Apr 2015 12:54:58 -0700
Subject: [PATCH] imx: ventana: added device-tree display configuration for
LVDS displays
Configure kernel device-tree for display from env var. This is useful
to specify the display present when the device-tree supports multiple
non-detectable display configurations.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
board/gateworks/gw_ventana/gw_ventana.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index d8eeb6d931..871af09d41 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1606,6 +1606,7 @@ int ft_board_setup(void *blob, bd_t *bd)
{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
};
const char *model = getenv("model");
+ const char *display = getenv("display");
int i;
char rev = 0;
@@ -1626,6 +1627,13 @@ int ft_board_setup(void *blob, bd_t *bd)
puts(" Updating MTD partitions...\n");
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+ /* Update display timings from display env var */
+ if (display) {
+ if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
+ display) >= 0)
+ printf(" Set display timings for %s...\n", display);
+ }
+
if (!model) {
puts("invalid board info: Leaving FDT fully enabled\n");
return 0;
--
2.39.5