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Diffstat (limited to 'Documentation/devicetree/bindings/display/msm/dp-controller.yaml')
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diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml new file mode 100644 index 000000000000..f2515af8256f --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml @@ -0,0 +1,200 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dp-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MSM Display Port Controller + +maintainers: + - Kuogee Hsieh <quic_khsieh@quicinc.com> + +description: | + Device tree bindings for DisplayPort host controller for MSM targets + that are compatible with VESA DisplayPort interface specification. + +properties: + compatible: + enum: + - qcom,sc7180-dp + - qcom,sc7280-dp + - qcom,sc7280-edp + - qcom,sc8180x-dp + - qcom,sc8180x-edp + - qcom,sm8350-dp + + reg: + minItems: 4 + items: + - description: ahb register block + - description: aux register block + - description: link register block + - description: p0 register block + - description: p1 register block + + interrupts: + maxItems: 1 + + clocks: + items: + - description: AHB clock to enable register access + - description: Display Port AUX clock + - description: Display Port Link clock + - description: Link interface clock between DP and PHY + - description: Display Port Pixel clock + + clock-names: + items: + - const: core_iface + - const: core_aux + - const: ctrl_link + - const: ctrl_link_iface + - const: stream_pixel + + assigned-clocks: + items: + - description: link clock source + - description: pixel clock source + + assigned-clock-parents: + items: + - description: phy 0 parent + - description: phy 1 parent + + phys: + maxItems: 1 + + phy-names: + items: + - const: dp + + operating-points-v2: + maxItems: 1 + + opp-table: true + + power-domains: + maxItems: 1 + + aux-bus: + $ref: /schemas/display/dp-aux-bus.yaml# + + data-lanes: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + maximum: 3 + + "#sound-dai-cells": + const: 0 + + vdda-0p9-supply: + deprecated: true + vdda-1p2-supply: + deprecated: true + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input endpoint of the controller + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output endpoint of the controller + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - phys + - phy-names + - power-domains + - ports + +allOf: + # AUX BUS does not exist on DP controllers + # Audio output also is present only on DP output + # p1 regions is present on DP, but not on eDP + - if: + properties: + compatible: + contains: + enum: + - qcom,sc7280-edp + - qcom,sc8180x-edp + then: + properties: + "#sound-dai-cells": false + reg: + maxItems: 4 + else: + properties: + aux-bus: false + reg: + minItems: 5 + required: + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/qcom,dispcc-sc7180.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + displayport-controller@ae90000 { + compatible = "qcom,sc7180-dp"; + reg = <0xae90000 0x200>, + <0xae90200 0x200>, + <0xae90400 0xc00>, + <0xae91000 0x400>, + <0xae91400 0x400>; + interrupt-parent = <&mdss>; + interrupts = <12>; + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_DP_AUX_CLK>, + <&dispcc DISP_CC_MDSS_DP_LINK_CLK>, + <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>, + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>; + clock-names = "core_iface", "core_aux", + "ctrl_link", + "ctrl_link_iface", "stream_pixel"; + + assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>, + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>; + + assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>; + + phys = <&dp_phy>; + phy-names = "dp"; + + #sound-dai-cells = <0>; + + power-domains = <&rpmhpd SC7180_CX>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + endpoint { + remote-endpoint = <&dpu_intf0_out>; + }; + }; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&typec>; + }; + }; + }; + }; +... |