[U-Boot] [PATCH] sunxi: video: Add support for Hitachi tx18d42vm LVDS LCD panels

[Hans de Goede <hdegoede@redhat.com>]

Hi

Note this is v3, I forgot to set the subject-prefix for this. Changes
since v2 are using "if (IS_ENABLED(CONFIG_...))" rather then #ifdef.

Regards,

Hans

On 22-01-15 20:52, Hans de Goede wrote:
> Add support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
> lcd controller which needs to be initialized over SPI, once that is
> done they work like a regular LVDS panel.
>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>   board/sunxi/Kconfig           | 7 +++++++
>   drivers/video/sunxi_display.c | 5 +++++
>   2 files changed, 12 insertions(+)
>
> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
> index f1501d4..8ac3d42 100644
> --- a/board/sunxi/Kconfig
> +++ b/board/sunxi/Kconfig
> @@ -354,6 +354,13 @@ config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828
>   	---help---
>   	 7.85" 768x1024 LCD panels, such as LG LP079X01 or AUO B079XAN01.0
>
> +config VIDEO_LCD_PANEL_HITACHI_TX18D42VM
> +	bool "Hitachi tx18d42vm LCD panel"
> +	select VIDEO_LCD_HITACHI_TX18D42VM
> +	select VIDEO_LCD_IF_LVDS
> +	---help---
> +	 7.85" 1024x768 Hitachi tx18d42vm LCD panel support
> +
>   endchoice
>
>
> diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c
> index a6e3778..5077111 100644
> --- a/drivers/video/sunxi_display.c
> +++ b/drivers/video/sunxi_display.c
> @@ -20,6 +20,7 @@
>   #include <fdt_support.h>
>   #include <video_fb.h>
>   #include "videomodes.h"
> +#include "hitachi_tx18d42vm_lcd.h"
>   #include "ssd2828.h"
>
>   DECLARE_GLOBAL_DATA_PTR;
> @@ -1004,6 +1005,10 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode,
>   		break;
>   	case sunxi_monitor_lcd:
>   		sunxi_lcdc_panel_enable();
> +		if (IS_ENABLED(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM)) {
> +			mdelay(50); /* Wait for lcd controller power on */
> +			hitachi_tx18d42vm_init();
> +		}
>   		sunxi_composer_mode_set(mode, address);
>   		sunxi_lcdc_tcon0_mode_set(mode);
>   		sunxi_composer_enable();
>