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imx: ventana: added device-tree display configuration for LVDS displays

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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>
This commit is contained in:
Tim Harvey 2015-04-08 12:54:58 -07:00 committed by Stefano Babic
parent f02390b6ab
commit 4569cd561d
1 changed files with 8 additions and 0 deletions
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8
board/gateworks/gw_ventana/gw_ventana.c
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@ -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;