[PATCH V2 3/9] drm/panel: Add driver for exynos_dp based panels

[Thierry Reding]

On Tue, Apr 22, 2014 at 04:09:12AM +0530, Ajay Kumar wrote:
> This patch adds a simple driver to handle all the LCD and LED
> powerup/down routines needed to support eDP/eDP-LVDS panels
> supported on exynos boards.
> 
> The LCD and LED units are usually powered up via regulators,
> and almost on all boards, we will have a BL_EN pin to enable/
> disable the backlight. Sometimes, we can have LCD_EN switches
> as well. The routines in this driver can be used to control
> panel power sequence on such boards.
> 
> Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
> ---
> Changes since V1:
> 	Added routine for post_disable, removed few unwanted headers.
> 	Refactored a lot of code.
> 
>  .../devicetree/bindings/panel/exynos-dp-panel.txt  |   45 ++++
>  drivers/gpu/drm/panel/Kconfig                      |    9 +
>  drivers/gpu/drm/panel/Makefile                     |    1 +
>  drivers/gpu/drm/panel/panel-exynos-dp.c            |  251 ++++++++++++++++++++
>  4 files changed, 306 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/panel/exynos-dp-panel.txt
>  create mode 100644 drivers/gpu/drm/panel/panel-exynos-dp.c

What this patch does is in no way Exynos specific. It is also not eDP
specific.

This conflates panel drivers with board drivers in a strange way. Panel
drivers should be for *panels*, not for a given SoC or specific outputs
on that SoC.

Thierry
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