From: Koen Kooi Date: Tue, 11 Jan 2011 17:13:36 +0000 (+0000) Subject: omap3: beaglexm: fix DVI reset GPIO X-Git-Tag: v2.6.38-rc1~52^2~3 X-Git-Url: http://git.cascardo.info/?a=commitdiff_plain;h=f8362d215549c66066f78e67c033dd370ae50322;p=cascardo%2Flinux.git 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 Signed-off-by: Koen Kooi Signed-off-by: Tony Lindgren --- 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;