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authorKoen Kooi <koen@beagleboard.org>2011-01-11 17:13:36 +0000
committerTony Lindgren <tony@atomide.com>2011-01-11 15:20:28 -0800
commitf8362d215549c66066f78e67c033dd370ae50322 (patch)
tree5bf92c6b3eacbaf14164f64916cbe98cb3214d72
parent68fc3e152c9f99323e2a4917967725aec5281b32 (diff)
downloadlinux-f8362d215549c66066f78e67c033dd370ae50322.tar.gz
omap3: beaglexm: fix DVI reset GPIO
GPIO reset line for Beagle XM is different from vanilla beagle
so we populate it as part of gpio update routine.

This in part fixes the issue of display not functioning on beagle XM
platform.

[nm@ti.com: split up, added descriptive changelogs]
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Koen Kooi <koen@beagleboard.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index af1166bd1c86..673deb9189fe 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -199,7 +199,7 @@ static struct omap_dss_device beagle_dvi_device = {
 	.name = "dvi",
 	.driver_name = "generic_panel",
 	.phy.dpi.data_lines = 24,
-	.reset_gpio = 170,
+	.reset_gpio = -EINVAL,
 	.platform_enable = beagle_enable_dvi,
 	.platform_disable = beagle_disable_dvi,
 };
@@ -307,6 +307,12 @@ static int beagle_twl_gpio_setup(struct device *dev,
 	else
 		gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 
+	/* DVI reset GPIO is different between beagle revisions */
+	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
+		beagle_dvi_device.reset_gpio = 129;
+	else
+		beagle_dvi_device.reset_gpio = 170;
+
 	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;