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authorKoen Kooi <koen@beagleboard.org>2011-01-11 18:13:36 +0100
committerTony Lindgren <tony@atomide.com>2011-01-12 00:20:28 +0100
commitf8362d215549c66066f78e67c033dd370ae50322 (patch)
tree5bf92c6b3eacbaf14164f64916cbe98cb3214d72 /arch/arm/mach-omap2
parentomap3: beaglexm: fix EHCI power up GPIO dir (diff)
downloadlinux-f8362d215549c66066f78e67c033dd370ae50322.tar.xz
linux-f8362d215549c66066f78e67c033dd370ae50322.zip
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>
Diffstat (limited to 'arch/arm/mach-omap2')
-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;