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Author SHA1 Message Date
Linus Walleij fd9b503dec drm/panel: Fix ARM Versatile panel clocks 
These clocks are in kHz not in Hz, oops. Fix it so my
new bandwidth calculations patch starts working with these
panels.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180211103840.18764-1-linus.walleij@linaro.org
 2018-02-23 00:13:47 +01:00
Linus Walleij f40f5b87d9 drm/panel: Add support for ARM Versatile panels 
The ARM reference designs "Versatile AB" and "Versatile PB"
contain panel connectors with autodetection of the connected
panel type. This adds a small driver utilizing the MFD syscon
look-up to read the autodetection register and set up the
corresponding panel appropriately.

In the source file there is a bit of elaboration of the
panel types and interfaces on these boards.

This was tested with the PL111 DRM driver on the ARM Versatile
AB with the IB2 daughterboard.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205192013.5349-2-linus.walleij@linaro.org
 2018-02-07 09:06:59 +01:00