tree 7ae013134ed97f5e323f329ca5942335fb24ed24
parent 1104e29f5e62f999ae32232bdf9b7696dcd45091
author Stu Hsieh <stu.hsieh@mediatek.com> 1559643115 +0800
committer Alex Van Damme <atv@google.com> 1599678427 -0700

mtk-mipicsi: add function to support SerDes for link number

This patch add function to support SerDes for link number.

Mt2712 can serve at most four camera link for each mipicsi port.
Therefore, driver need to know how many camera link in SerDes and
set the mipicsi HW to serve.

The value "link_reg" defined in dts, and use it to get the link status
for SerDes.

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>