[U-Boot] [PATCH 2/3] sunxi: video: Add support for Hitachi tx18d42vm LCD panels

[Ian Campbell <ijc@hellion.org.uk>]

On Sun, 2015-01-04 at 21:05 +0100, Hans de Goede wrote:
> Hitachi tx18d42vm LCD panels have an onboard controller which needs some
> initialization via spi for the panel to become functional as a regular LVDS
> panel.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>  board/sunxi/Kconfig             |  3 ++
>  drivers/video/Makefile          |  2 +-
>  drivers/video/sunxi_display.c   |  9 ++++++
>  drivers/video/sunxi_lcd_panel.c | 68 +++++++++++++++++++++++++++++++++++++++++
>  drivers/video/sunxi_lcd_panel.h |  9 ++++++
>  5 files changed, 90 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/video/sunxi_lcd_panel.c
>  create mode 100644 drivers/video/sunxi_lcd_panel.h
> 
> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
> index fdb18a4..e9f62b9 100644
> --- a/board/sunxi/Kconfig
> +++ b/board/sunxi/Kconfig
> @@ -357,6 +357,9 @@ config VIDEO_LCD_PANEL_PARALLEL
>  config VIDEO_LCD_PANEL_LVDS
>  	bool "Generic lvds interface LCD panel"
>  
> +config VIDEO_LCD_PANEL_HITACHI_TX18D42VM
> +	bool "Hitachi tx18d42vm LCD panel"
> +
>  endchoice
>  
>  config USB_KEYBOARD
> diff --git a/drivers/video/Makefile b/drivers/video/Makefile
> index 42b1eaa..d4fe1aa 100644
> --- a/drivers/video/Makefile
> +++ b/drivers/video/Makefile
> @@ -39,7 +39,7 @@ obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o
>  obj-$(CONFIG_VIDEO_SED13806) += sed13806.o
>  obj-$(CONFIG_VIDEO_SM501) += sm501.o
>  obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
> -obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o videomodes.o
> +obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o sunxi_lcd_panel.o videomodes.o
>  obj-$(CONFIG_VIDEO_TEGRA) += tegra.o
>  obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
>  obj-$(CONFIG_VIDEO_X86) += x86_fb.o
> diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c
> index 4b63b01..f087c2c 100644
> --- a/drivers/video/sunxi_display.c
> +++ b/drivers/video/sunxi_display.c
> @@ -19,8 +19,13 @@
>  #include <fdtdec.h>
>  #include <fdt_support.h>
>  #include <video_fb.h>
> +#include "sunxi_lcd_panel.h"
>  #include "videomodes.h"
>  
> +#ifdef CONFIG_VIDEO_LCD_PANEL_HITACHI_TX18D42VM
> +#define CONFIG_VIDEO_LCD_PANEL_LVDS
> +#endif

Your reply to 1/3 made me notice this, which I somehow missed before, I
don't think this is the right way to go about this.

It seems to me that LCD_PANEL_HITACHI does not belong under the PARALLEL
vs LVDS Kconfig choice, rather it should be an independent bool option
which depends on PANEL_LVDS.

Ian.