This patch adds bindings for i.MX8qm/qxp display pixel link. Signed-off-by: Liu Ying <victor.liu@xxxxxxx> --- .../display/bridge/fsl,imx8qxp-pixel-link.yaml | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-link.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-link.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-link.yaml new file mode 100644 index 00000000..fd24a0e --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-link.yaml @@ -0,0 +1,128 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/fsl,imx8qxp-pixel-link.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qm/qxp Display Pixel Link + +maintainers: + - Liu Ying <victor.liu@xxxxxxx> + +description: | + The Freescale i.MX8qm/qxp Display Pixel Link(DPL) forms a standard + asynchronous linkage between pixel sources(display controller or + camera module) and pixel consumers(imaging or displays). + It consists of two distinct functions, a pixel transfer function and a + control interface. Multiple pixel channels can exist per one control channel. + This binding documentation is only for pixel links whose pixel sources are + display controllers. + +properties: + compatible: + enum: + - fsl,imx8qm-dc-pixel-link + - fsl,imx8qxp-dc-pixel-link + + ports: + type: object + description: | + A node containing pixel link input & output port nodes with endpoint + definitions as documented in + Documentation/devicetree/bindings/media/video-interfaces.txt + Documentation/devicetree/bindings/graph.txt + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + port@0: + type: object + description: The pixel link input port node from upstream video source. + + properties: + reg: + const: 0 + + required: + - reg + + patternProperties: + "^port@[1-4]$": + type: object + description: The pixel link output port node to downstream bridge. + + properties: + reg: + enum: [ 1, 2, 3, 4 ] + + required: + - reg + + required: + - "#address-cells" + - "#size-cells" + - port@0 + + anyOf: + - required: + - port@1 + - required: + - port@2 + - required: + - port@3 + - required: + - port@4 + + additionalProperties: false + +required: + - compatible + - ports + +additionalProperties: false + +examples: + - | + dc0-pixel-link0 { + compatible = "fsl,imx8qxp-dc-pixel-link"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* from dc0 pixel combiner channel0 */ + port@0 { + reg = <0>; + + dc0_pixel_link0_dc0_pixel_combiner_ch0: endpoint { + remote-endpoint = <&dc0_pixel_combiner_ch0_dc0_pixel_link0>; + }; + }; + + /* to PXL2DPIs in MIPI/LVDS combo subsystems */ + port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + dc0_pixel_link0_mipi_lvds_0_pxl2dpi: endpoint@0 { + reg = <0>; + remote-endpoint = <&mipi_lvds_0_pxl2dpi_dc0_pixel_link0>; + }; + + dc0_pixel_link0_mipi_lvds_1_pxl2dpi: endpoint@1 { + reg = <1>; + remote-endpoint = <&mipi_lvds_1_pxl2dpi_dc0_pixel_link0>; + }; + }; + + /* to imaging subsystem */ + port@4 { + reg = <4>; + }; + }; + }; -- 2.7.4
