On Tue, Nov 18, 2025 at 10:22:07AM -0300, Fabio Estevam wrote: > Document the optional nxp,termination-resistor property for the > i.MX LVDS display bridge. > > This boolean property indicates that the built-in 100 Ohm termination > resistor on the LVDS output is enabled. It is controlled via the HS_EN > bit in the LVDS_CTRL register. Enabling the resistor can improve LVDS > signal quality and may prevent visual artifacts on some boards, but > increases the power consumption. > > Signed-off-by: Fabio Estevam <[email protected]> > --- > .../devicetree/bindings/display/bridge/fsl,ldb.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > index 07388bf2b90d..6bc786204e65 100644 > --- a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml > @@ -35,6 +35,15 @@ properties: > - const: ldb > - const: lvds > > + nxp,termination-resistor:
the name looks like resistor value, how about nxp,term-resistor-en? Frank > + type: boolean > + description: > + Indicates that the built-in 100 Ohm termination resistor on the LVDS > + output is enabled. This property is optional and controlled via the > + HS_EN bit in the LVDS_CTRL register. Enabling it can improve signal > + quality and prevent visual artifacts on some boards, but increases > + power consumption. > + > ports: > $ref: /schemas/graph.yaml#/properties/ports > > -- > 2.34.1 >
