diff mbox

[1/2] Enable DVI-D output for Devkit8000

Message ID 1270629267-27068-1-git-send-email-kanru@0xlab.org (mailing list archive)
State New, archived
Headers show

Commit Message

Kan-Ru Chen April 7, 2010, 8:34 a.m. UTC
None
diff mbox

Patch

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();