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@xxxxxxxxxxx> > --- > 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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