From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 8 Apr 2015 19:54:58 +0000 (-0700)
Subject: imx: ventana: added device-tree display configuration for LVDS displays
X-Git-Tag: KARO-TX6-2015-09-18~3041
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8c11c3a44dd477ea7e583d3e5c00b4cd1b7b8aa7;p=karo-tx-uboot.git

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>
---

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;