video: tegra: dc: nvidia,dc-connection property

nvidia,dc-connection property will indicate
if target dc device is used for internal lcd
or external display.
For internal lcd, it will get dc output type from
selected panel node among device tree multiple
panel nodes: It can be TEGRA_DC_OUT_DSI or
TEGRA_DC_OUT_DP, etc.
For external display, dc output type will be set
to TEGRA_DC_OUT_HDMI.

Bug 1371533

Change-Id: I94f7f0a2e93c5550aa2ea8f7e2069e52bdc799df
Signed-off-by: Min-wuk Lee <mlee@nvidia.com>
Reviewed-on: http://git-master/r/395028
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Animesh Kishore <ankishore@nvidia.com>
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
6 files changed