Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge. Signed-off-by: Sandor Yu <Sandor.yu@xxxxxxx> --- v19->v20: - remove data type link of data-lanes. v18->v19: - move data-lanes property to endpoint of port@1 v17->v18: - remove lane-mapping and replace it with data-lanes - remove r-b tag as property changed. v16->v17: - Add lane-mapping property v9->v16: *No change .../display/bridge/cdns,mhdp8501.yaml | 121 ++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml new file mode 100644 index 0000000000000..2417f4038b437 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence MHDP8501 DP/HDMI bridge + +maintainers: + - Sandor Yu <Sandor.yu@xxxxxxx> + +description: + Cadence MHDP8501 DisplayPort/HDMI interface. + +properties: + compatible: + enum: + - fsl,imx8mq-mhdp8501 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + description: MHDP8501 DP/HDMI APB clock. + + phys: + maxItems: 1 + description: + phandle to the DP/HDMI PHY + + interrupts: + items: + - description: Hotplug cable plugin. + - description: Hotplug cable plugout. + + interrupt-names: + items: + - const: plug_in + - const: plug_out + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Input port from display controller output. + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Output port to DisplayPort or HDMI connector. + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: Lane reordering for HDMI or DisplayPort interface. + minItems: 4 + maxItems: 4 + + required: + - data-lanes + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - interrupts + - interrupt-names + - phys + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx8mq-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + mhdp: display-bridge@32c00000 { + compatible = "fsl,imx8mq-mhdp8501"; + reg = <0x32c00000 0x100000>; + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "plug_in", "plug_out"; + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; + phys = <&mdhp_phy>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + mhdp_in: endpoint { + remote-endpoint = <&dcss_out>; + }; + }; + + port@1 { + reg = <1>; + + mhdp_out: endpoint { + remote-endpoint = <&dp_connector>; + data-lanes = <2 1 0 3>; + }; + }; + }; + }; -- 2.34.1
