Hello Kan-Ru,
On 04/07/10 08:34, Kan-Ru Chen wrote:
> 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 <ka...@0xlab.org>
> ---
> 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,
> }
> };
This is already fixed in patch
http://marc.info/?l=linux-omap&m=126943519824335&w=2
> @@ -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();
This is already fixed in patch
http://marc.info/?l=linux-omap&m=126943519124317&w=2
Thomas
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