On Mon, 08 Jul 2024 17:01:13 +0200, Marek Vasut wrote: > Document default DP port preemphasis configurable via new DT property > "toshiba,pre-emphasis". This is useful in case the DP link properties > are known and starting link training from preemphasis setting of 0 dB > is not useful. The preemphasis can be set separately for both DP lanes > in range 0=0dB, 1=3.5dB, 2=6dB . > > This is an endpoint property, not a port property, because the TC9595 > datasheet does mention that the DP might operate in some sort of split > mode, where each DP lane is used to feed one display, so in that case > there might be two endpoints. > > Signed-off-by: Marek Vasut <[email protected]> > --- > Cc: Alexander Stein <[email protected]> > Cc: Andrzej Hajda <[email protected]> > Cc: Conor Dooley <[email protected]> > Cc: Daniel Vetter <[email protected]> > Cc: David Airlie <[email protected]> > Cc: Jernej Skrabec <[email protected]> > Cc: Jonas Karlman <[email protected]> > Cc: Krzysztof Kozlowski <[email protected]> > Cc: Laurent Pinchart <[email protected]> > Cc: Lucas Stach <[email protected]> > Cc: Maarten Lankhorst <[email protected]> > Cc: Maxime Ripard <[email protected]> > Cc: Neil Armstrong <[email protected]> > Cc: Rob Herring <[email protected]> > Cc: Robert Foss <[email protected]> > Cc: Thomas Zimmermann <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > --- > V2: - Fix the type to u8 array > - Fix the enum items to match what they represent > V3: - Update commit message, expand on this being an endpoint property > V4: - Fix ref: /schemas/graph.yaml#/$defs/port-base and add > unevaluatedProperties > --- > .../display/bridge/toshiba,tc358767.yaml | 21 ++++++++++++++++++- > 1 file changed, 20 insertions(+), 1 deletion(-) >
Reviewed-by: Rob Herring (Arm) <[email protected]>
