From: Liu Ying <[email protected]> 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 <[email protected]> [[email protected]: port to v6.18-rc1] [[email protected]: add bus-width] Signed-off-by: Marco Felsch <[email protected]> --- .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 92 ++++++++++++++++++++++ 1 file changed, 92 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..6e2d86d9341c75108b492bcbabc8a560d8e707cd 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 @@ -26,6 +26,12 @@ properties: reg: maxItems: 1 + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + '#power-domain-cells': const: 1 @@ -40,6 +46,60 @@ properties: minItems: 8 maxItems: 10 + bridge@60: + type: object + additionalProperties: false + + properties: + compatible: + const: nxp,imx93-pdfc + + reg: + maxItems: 1 + + 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: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + 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 lanes 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 + - reg + - ports + allOf: - if: properties: @@ -81,9 +141,12 @@ allOf: - const: isi - const: csi - const: dsi + required: - compatible - reg + - '#address-cells' + - '#size-cells' - power-domains - clocks - clock-names @@ -112,4 +175,33 @@ examples: clock-names = "apb", "axi", "nic", "disp", "cam", "pxp", "lcdif", "isi", "csi", "dsi"; #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <1>; + + bridge@60 { + compatible = "nxp,imx93-pdfc"; + reg = <0x60 0x4>; + + 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
