From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kan-Ru Chen Subject: [PATCH 1/2] Enable DVI-D output for Devkit8000 Date: Wed, 7 Apr 2010 16:34:26 +0800 Message-ID: <1270629267-27068-1-git-send-email-kanru@0xlab.org> Return-path: Received: from cp20.secserverpros.com ([67.220.217.187]:57413 "EHLO cp20.secserverpros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751315Ab0DGIeM (ORCPT ); Wed, 7 Apr 2010 04:34:12 -0400 Received: from 61-30-10-70.static.tfn.net.tw ([61.30.10.70] helo=kanru.info) by cp20.secserverpros.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1NzQi7-0005Ii-Tw for linux-omap@vger.kernel.org; Wed, 07 Apr 2010 08:34:11 +0000 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: Kan-Ru Chen , Thomas Weber This patch corrects the DVI-D output setup of Devkit8000 Devkit8000 has different DVI reset pin with the BeagleBoard. On Devkit8000 the TWL4030 GPIO_7 is assigned to do the job. Signed-off-by: Kan-Ru Chen --- arch/arm/mach-omap2/board-devkit8000.c | 20 +++++++++++++------- 1 files changed, 13 insertions(+), 7 deletions(-) diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 5bfc13b..fd4454a 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -141,13 +141,18 @@ static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev) static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev) { } + static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev) { + if (dssdev->reset_gpio != -EINVAL) + gpio_set_value(dssdev->reset_gpio, 1); return 0; } static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev) { + if (dssdev->reset_gpio != -EINVAL) + gpio_set_value(dssdev->reset_gpio, 0); } static int devkit8000_panel_enable_tv(struct omap_dss_device *dssdev) @@ -183,6 +188,7 @@ static struct omap_dss_device devkit8000_dvi_device = { .driver_name = "generic_panel", .type = OMAP_DISPLAY_TYPE_DPI, .phy.dpi.data_lines = 24, + .reset_gpio = -EINVAL, /* will be replaced */ .platform_enable = devkit8000_panel_enable_dvi, .platform_disable = devkit8000_panel_disable_dvi, }; @@ -283,6 +289,12 @@ static int devkit8000_twl_gpio_setup(struct device *dev, /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; + /* gpio + 7 is "DVI_PD" (out, active low) */ + devkit8000_dvi_device.reset_gpio = gpio + 7; + gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown"); + /* Disable until needed */ + gpio_direction_output(devkit8000_dvi_device.reset_gpio, 0); + return 0; } @@ -303,7 +315,7 @@ static struct regulator_consumer_supply devkit8000_vpll2_supplies[] = { .dev = &devkit8000_lcd_device.dev, }, { - .supply = "vdss_dsi", + .supply = "vdds_dsi", .dev = &devkit8000_dss_device.dev, } }; @@ -665,12 +677,6 @@ static void __init devkit8000_init(void) devkit8000_ads7846_init(); - omap_mux_init_gpio(170, OMAP_PIN_INPUT); - - gpio_request(170, "DVI_nPD"); - /* REVISIT leave DVI powered down until it's needed ... */ - gpio_direction_output(170, true); - usb_musb_init(&musb_board_data); usb_ehci_init(&ehci_pdata); devkit8000_flash_init(); -- 1.7.0.4