video: fb: vt8500: Convert framebuffer drivers to standardized binding

Now that a display timing binding is available, convert our almost identical
binding to use the standard binding.

This patch converts the vt8500 and wm8505 framebuffer drivers and
associated dts/dtsi files to use the standard binding as defined in
bindings/video/display-timing.txt.

There are two side-effects of making this conversion:

1) The fb node should now be in the board file, rather than the soc file as
the display-timing node is a child of the fb node.

2) We still require a bits per pixel property to initialize the framebuffer
for the different lcd panels. Rather than including this as part of the
display timing, it is moved into the framebuffer node.

I have also taken the opportunity to alphabetise the includes of each
driver to avoid double-ups.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index ad762ed2c5aa..d0c932a86115 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1794,6 +1794,9 @@ config FB_VT8500
         select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS)
         select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS)
         select FB_SYS_IMAGEBLIT
+        select FB_MODE_HELPERS
+        select OF_DISPLAY_TIMING
+        select OF_VIDEOMODE
         help
           This is the framebuffer driver for VIA VT8500 integrated LCD
           controller.
@@ -1804,6 +1807,9 @@ config FB_WM8505
         select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS)
         select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS)
         select FB_SYS_IMAGEBLIT
+        select FB_MODE_HELPERS
+        select OF_DISPLAY_TIMING
+        select OF_VIDEOMODE
         help
           This is the framebuffer driver for WonderMedia WM8xxx-series
           integrated LCD controller. This driver covers the WM8505, WM8650