On Sun, Dec 28, 2025 at 04:20:46PM +0200, Dmitry Baryshkov wrote: > On Sun, Dec 28, 2025 at 05:10:39PM +0530, Vishnu Saini wrote: > > Add bindings for lt8713sx. > > > > Co-developed-by: Prahlad Valluru <[email protected]> > > Signed-off-by: Prahlad Valluru <[email protected]> > > Signed-off-by: Vishnu Saini <[email protected]> > > --- > > .../bindings/display/bridge/lontium,lt8713sx.yaml | 101 > > +++++++++++++++++++++ > > 1 file changed, 101 insertions(+) > > > > diff --git > > a/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml > > b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml > > new file mode 100644 > > index 000000000000..0a6dc56e337c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml > > @@ -0,0 +1,101 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8713sx.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Lontium LT8713SX Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0/DP++ > > bridge-hub > > + > > +maintainers: > > + - Tony <[email protected]> > > Is he/she aware of this? > yes, Got the confirmation in email for upstreaming. I will add him in CC in next patch. > > + > > +description: > > + The Lontium LT8713SX is a Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0 converter > > + that integrates one DP input and up to three configurable output > > interfaces > > + (DP1.4 / HDMI2.0 / DP++), with SST/MST functionality and audio support. > > + > > +properties: > > + compatible: > > + enum: > > + - lontium,lt8713sx > > + > > + reg: > > + maxItems: 1 > > + > > + vcc-supply: > > + description: Regulator for 3.3V vcc. > > + > > + vdd-supply: > > + description: Regulator for 1.1V vdd. > > + > > + reset-gpios: > > + description: GPIO connected to active low RESET pin. > > + > > + ports: > > + $ref: /schemas/graph.yaml#/properties/ports > > + > > + properties: > > + port@0: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + DP port for DP input from soc to bridge chip > > + > > + port@1: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + DP port for DP output from bridge > > + > > + port@2: > > + $ref: /schemas/graph.yaml#/properties/port > > + description: > > + Additional DP port for DP output from bridge > > Why do you have only two output ports here? The datasheet documents > three ports. Currently using only 2 ports in rb4 main board, 3rd edp port is in mezz board. Will add one more port in next patch. > > + > > + required: > > + - port@0 > > + > > +required: > > + - compatible > > + - reg > > + - ports > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/gpio/gpio.h> > > + > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + bridge@4f { > > + compatible = "lontium,lt8713sx"; > > + reg = <0x4f>; > > + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; > > + > > + ports { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + port@0 { > > + reg = <0>; > > + lt8713sx_dp_in: endpoint { > > + remote-endpoint = <&mdss_dp0_out>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + lt8713sx_dp0_out: endpoint { > > + remote-endpoint = <&dp0_connector_in>; > > + }; > > + }; > > + > > + port@2 { > > + reg = <2>; > > + lt8713sx_dp1_out: endpoint { > > + remote-endpoint = <&dp1_connector_in>; > > + }; > > + }; > > + }; > > + }; > > + }; > > > > -- > > 2.34.1 > > Sorry maintainers for delay in update on lt8713sx driver and dt series. I was on travel and than went on leave for a couple of weeks. Will be dedicately work on this now. > -- > With best wishes > Dmitry
