From: Liu Ying <victor.liu@nxp.com>
i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which
configures parallel display format by using the "PARALLEL_DISP_FORMAT"
field. Document the Parallel Display Format Configuration(PDFC) subnode
and add the subnode to example.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
[m.felsch@pengutronix.de: port to v6.18-rc1]
[m.felsch@pengutronix.de: add bus-width]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
.../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 79 ++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
index 34aea58094e55365a2f9c86092f637e533f954ff..82d30e4140f4d511bc59665370d561efe7a707bd 100644
--- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
@@ -40,6 +40,58 @@ properties:
minItems: 8
maxItems: 10
+ dpi-bridge:
+ type: object
+ additionalProperties: false
+
+ properties:
+ compatible:
+ enum:
+ - nxp,imx91-pdfc
+ - nxp,imx93-pdfc
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Input port node to receive pixel data.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: Output port node to downstream pixel data receivers.
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ bus-width:
+ enum: [ 16, 18, 24 ]
+ description:
+ Specify the physical parallel bus width.
+
+ This property is optional if the display bus-width
+ matches the SoC bus-width, e.g. a 18-bit RGB666 (display)
+ is connected and all 18-bit data lines are muxed to the
+ parallel-output pads.
+
+ This property must be set to 18 to cut only the LSBs
+ instead of the MSBs in case a 24-bit RGB888 display is
+ connected and only the lower 18-bit data lanes are muxed
+ to the parallel-output pads.
+
+ required:
+ - port@0
+ - port@1
+
+ required:
+ - compatible
+ - ports
+
allOf:
- if:
properties:
@@ -81,6 +133,7 @@ allOf:
- const: isi
- const: csi
- const: dsi
+
required:
- compatible
- reg
@@ -112,4 +165,30 @@ examples:
clock-names = "apb", "axi", "nic", "disp", "cam",
"pxp", "lcdif", "isi", "csi", "dsi";
#power-domain-cells = <1>;
+
+ dpi-bridge {
+ compatible = "nxp,imx93-pdfc";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ pdfc_from_lcdif: endpoint {
+ remote-endpoint = <&lcdif_to_pdfc>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ pdfc_to_panel: endpoint {
+ remote-endpoint = <&panel_from_pdfc>;
+ bus-width = <18>;
+ };
+ };
+ };
+ };
};
--
2.47.3On Tue, Jan 13, 2026 at 08:07:27PM +0100, Marco Felsch wrote:
> From: Liu Ying <victor.liu@nxp.com>
>
> i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which
> configures parallel display format by using the "PARALLEL_DISP_FORMAT"
> field. Document the Parallel Display Format Configuration(PDFC) subnode
> and add the subnode to example.
>
> Signed-off-by: Liu Ying <victor.liu@nxp.com>
> [m.felsch@pengutronix.de: port to v6.18-rc1]
> [m.felsch@pengutronix.de: add bus-width]
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
> .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 79 ++++++++++++++++++++++
> 1 file changed, 79 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> index 34aea58094e55365a2f9c86092f637e533f954ff..82d30e4140f4d511bc59665370d561efe7a707bd 100644
> --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> @@ -40,6 +40,58 @@ properties:
> minItems: 8
> maxItems: 10
>
> + dpi-bridge:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + compatible:
> + enum:
> + - nxp,imx91-pdfc
> + - nxp,imx93-pdfc
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/properties/port
> + description: Input port node to receive pixel data.
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: Output port node to downstream pixel data receivers.
> +
> + properties:
> + endpoint:
> + $ref: /schemas/media/video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + bus-width:
> + enum: [ 16, 18, 24 ]
> + description:
> + Specify the physical parallel bus width.
> +
> + This property is optional if the display bus-width
> + matches the SoC bus-width, e.g. a 18-bit RGB666 (display)
> + is connected and all 18-bit data lines are muxed to the
> + parallel-output pads.
> +
> + This property must be set to 18 to cut only the LSBs
> + instead of the MSBs in case a 24-bit RGB888 display is
> + connected and only the lower 18-bit data lanes are muxed
> + to the parallel-output pads.
> +
> + required:
> + - port@0
> + - port@1
> +
> + required:
> + - compatible
> + - ports
> +
> allOf:
> - if:
> properties:
> @@ -81,6 +133,7 @@ allOf:
> - const: isi
> - const: csi
> - const: dsi
> +
remove this unnecessary changes
Frank
> required:
> - compatible
> - reg
> @@ -112,4 +165,30 @@ examples:
> clock-names = "apb", "axi", "nic", "disp", "cam",
> "pxp", "lcdif", "isi", "csi", "dsi";
> #power-domain-cells = <1>;
> +
> + dpi-bridge {
> + compatible = "nxp,imx93-pdfc";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + pdfc_from_lcdif: endpoint {
> + remote-endpoint = <&lcdif_to_pdfc>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + pdfc_to_panel: endpoint {
> + remote-endpoint = <&panel_from_pdfc>;
> + bus-width = <18>;
> + };
> + };
> + };
> + };
> };
>
> --
> 2.47.3
>
Hi Frank,
On 26-01-13, Frank Li wrote:
> On Tue, Jan 13, 2026 at 08:07:27PM +0100, Marco Felsch wrote:
> > From: Liu Ying <victor.liu@nxp.com>
> >
> > i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which
> > configures parallel display format by using the "PARALLEL_DISP_FORMAT"
> > field. Document the Parallel Display Format Configuration(PDFC) subnode
> > and add the subnode to example.
> >
> > Signed-off-by: Liu Ying <victor.liu@nxp.com>
> > [m.felsch@pengutronix.de: port to v6.18-rc1]
> > [m.felsch@pengutronix.de: add bus-width]
> > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> > ---
> > .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 79 ++++++++++++++++++++++
> > 1 file changed, 79 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > index 34aea58094e55365a2f9c86092f637e533f954ff..82d30e4140f4d511bc59665370d561efe7a707bd 100644
> > --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > @@ -40,6 +40,58 @@ properties:
> > minItems: 8
> > maxItems: 10
> >
> > + dpi-bridge:
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + compatible:
> > + enum:
> > + - nxp,imx91-pdfc
> > + - nxp,imx93-pdfc
> > +
> > + ports:
> > + $ref: /schemas/graph.yaml#/properties/ports
> > +
> > + properties:
> > + port@0:
> > + $ref: /schemas/graph.yaml#/properties/port
> > + description: Input port node to receive pixel data.
> > +
> > + port@1:
> > + $ref: /schemas/graph.yaml#/$defs/port-base
> > + unevaluatedProperties: false
> > + description: Output port node to downstream pixel data receivers.
> > +
> > + properties:
> > + endpoint:
> > + $ref: /schemas/media/video-interfaces.yaml#
> > + unevaluatedProperties: false
> > +
> > + properties:
> > + bus-width:
> > + enum: [ 16, 18, 24 ]
> > + description:
> > + Specify the physical parallel bus width.
> > +
> > + This property is optional if the display bus-width
> > + matches the SoC bus-width, e.g. a 18-bit RGB666 (display)
> > + is connected and all 18-bit data lines are muxed to the
> > + parallel-output pads.
> > +
> > + This property must be set to 18 to cut only the LSBs
> > + instead of the MSBs in case a 24-bit RGB888 display is
> > + connected and only the lower 18-bit data lanes are muxed
> > + to the parallel-output pads.
> > +
> > + required:
> > + - port@0
> > + - port@1
> > +
> > + required:
> > + - compatible
> > + - ports
> > +
> > allOf:
> > - if:
> > properties:
> > @@ -81,6 +133,7 @@ allOf:
> > - const: isi
> > - const: csi
> > - const: dsi
> > +
>
> remove this unnecessary changes
Yes this change is not necessary but I wanted to format the file
properly and I thought it can be done in this patch as well since the
change is really small without the need of a separate patch.
Regards,
Marco
>
> Frank
> > required:
> > - compatible
> > - reg
> > @@ -112,4 +165,30 @@ examples:
> > clock-names = "apb", "axi", "nic", "disp", "cam",
> > "pxp", "lcdif", "isi", "csi", "dsi";
> > #power-domain-cells = <1>;
> > +
> > + dpi-bridge {
> > + compatible = "nxp,imx93-pdfc";
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + pdfc_from_lcdif: endpoint {
> > + remote-endpoint = <&lcdif_to_pdfc>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + pdfc_to_panel: endpoint {
> > + remote-endpoint = <&panel_from_pdfc>;
> > + bus-width = <18>;
> > + };
> > + };
> > + };
> > + };
> > };
> >
> > --
> > 2.47.3
> >
>
--
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