drm: bridge: samsung-dsim: Fetch pll-clock-frequency automatically

Make the pll-clock-frequency optional.  If it's present, use it
to maintain backwards compatibility with existing hardware.  If it
is absent, read clock rate of "sclk_mipi" to determine the rate.
Since it can be optional, change the message from an error to
dev_info.

Signed-off-by: Adam Ford <[email protected]>
Tested-by: Chen-Yu Tsai <[email protected]>
Tested-by: Frieder Schrempf <[email protected]>
Reviewed-by: Frieder Schrempf <[email protected]>
Tested-by: Marek Szyprowski <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
Tested-by: Jagan Teki <[email protected]> # imx8mm-icore
Signed-off-by: Neil Armstrong <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

0 files changed, 0 insertions, 0 deletions