Documentation/devicetree/bindings/display/msm/dp-controller.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/msm/dp-controller.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MSM Display Port Controller
   8
   9 maintainers:
  10   - Kuogee Hsieh <khsieh@codeaurora.org>
  11
  12 description: |
  13   Device tree bindings for DisplayPort host controller for MSM targets
  14   that are compatible with VESA DisplayPort interface specification.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - qcom,sc7180-dp
  20       - qcom,sc7280-dp
  21       - qcom,sc7280-edp
  22       - qcom,sc8180x-dp
  23       - qcom,sc8180x-edp
  24       - qcom,sm8350-dp
  25
  26   reg:
  27     items:
  28       - description: ahb register block
  29       - description: aux register block
  30       - description: link register block
  31       - description: p0 register block
  32       - description: p1 register block
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   clocks:
  38     items:
  39       - description: AHB clock to enable register access
  40       - description: Display Port AUX clock
  41       - description: Display Port Link clock
  42       - description: Link interface clock between DP and PHY
  43       - description: Display Port Pixel clock
  44
  45   clock-names:
  46     items:
  47       - const: core_iface
  48       - const: core_aux
  49       - const: ctrl_link
  50       - const: ctrl_link_iface
  51       - const: stream_pixel
  52
  53   assigned-clocks:
  54     items:
  55       - description: link clock source
  56       - description: pixel clock source
  57
  58   assigned-clock-parents:
  59     items:
  60       - description: phy 0 parent
  61       - description: phy 1 parent
  62
  63   phys:
  64     maxItems: 1
  65
  66   phy-names:
  67     items:
  68       - const: dp
  69
  70   operating-points-v2:
  71     maxItems: 1
  72
  73   power-domains:
  74     maxItems: 1
  75
  76   "#sound-dai-cells":
  77     const: 0
  78
  79   ports:
  80     $ref: /schemas/graph.yaml#/properties/ports
  81     properties:
  82       port@0:
  83         $ref: /schemas/graph.yaml#/properties/port
  84         description: Input endpoint of the controller
  85
  86       port@1:
  87         $ref: /schemas/graph.yaml#/properties/port
  88         description: Output endpoint of the controller
  89
  90 required:
  91   - compatible
  92   - reg
  93   - interrupts
  94   - clocks
  95   - clock-names
  96   - phys
  97   - phy-names
  98   - "#sound-dai-cells"
  99   - power-domains
 100   - ports
 101
 102 additionalProperties: false
 103
 104 examples:
 105   - |
 106     #include <dt-bindings/interrupt-controller/arm-gic.h>
 107     #include <dt-bindings/clock/qcom,dispcc-sc7180.h>
 108     #include <dt-bindings/power/qcom-rpmpd.h>
 109
 110     displayport-controller@ae90000 {
 111         compatible = "qcom,sc7180-dp";
 112         reg = <0xae90000 0x200>,
 113               <0xae90200 0x200>,
 114               <0xae90400 0xc00>,
 115               <0xae91000 0x400>,
 116               <0xae91400 0x400>;
 117         interrupt-parent = <&mdss>;
 118         interrupts = <12>;
 119         clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
 120                  <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
 121                  <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
 122                  <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
 123                  <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
 124         clock-names = "core_iface", "core_aux",
 125                       "ctrl_link",
 126                       "ctrl_link_iface", "stream_pixel";
 127
 128         assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
 129                           <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
 130
 131         assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
 132
 133         phys = <&dp_phy>;
 134         phy-names = "dp";
 135
 136         #sound-dai-cells = <0>;
 137
 138         power-domains = <&rpmhpd SC7180_CX>;
 139
 140         ports {
 141             #address-cells = <1>;
 142             #size-cells = <0>;
 143
 144             port@0 {
 145                 reg = <0>;
 146                 endpoint {
 147                     remote-endpoint = <&dpu_intf0_out>;
 148                 };
 149             };
 150
 151             port@1 {
 152                 reg = <1>;
 153                 endpoint {
 154                     remote-endpoint = <&typec>;
 155                 };
 156             };
 157         };
 158     };
 159 ...