dt-bindings: display: rockchip: fill Documents for vop series

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1501049975-6185-1-git-send-email-mark.yao@rock-chips.com
1 file changed