xref: /openbmc/linux/Documentation/devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml (revision 2c44a9936636b8fb33aff9ea6ee9da5b372f8dfb)

# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sc7280-mdss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SC7280 Display MDSS

maintainers:
  - Krishna Manikandan <quic_mkrishn@quicinc.com>

description:
  Device tree bindings for MSM Mobile Display Subsystem (MDSS) that encapsulates
  sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
  bindings of MDSS are mentioned for SC7280.

$ref: /schemas/display/msm/mdss-common.yaml#

properties:
  compatible:
    const: qcom,sc7280-mdss

  clocks:
    items:
      - description: Display AHB clock from gcc
      - description: Display AHB clock from dispcc
      - description: Display core clock

  clock-names:
    items:
      - const: iface
      - const: ahb
      - const: core

  iommus:
    maxItems: 1

  interconnects:
    maxItems: 1

  interconnect-names:
    maxItems: 1

patternProperties:
  "^display-controller@[0-9a-f]+$":
    type: object
    properties:
      compatible:
        const: qcom,sc7280-dpu

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,dispcc-sc7280.h>
    #include <dt-bindings/clock/qcom,gcc-sc7280.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interconnect/qcom,sc7280.h>
    #include <dt-bindings/power/qcom-rpmpd.h>

    display-subsystem@ae00000 {
        #address-cells = <1>;
        #size-cells = <1>;
        compatible = "qcom,sc7280-mdss";
        reg = <0xae00000 0x1000>;
        reg-names = "mdss";
        power-domains = <&dispcc DISP_CC_MDSS_CORE_GDSC>;
        clocks = <&gcc GCC_DISP_AHB_CLK>,
                 <&dispcc DISP_CC_MDSS_AHB_CLK>,
                 <&dispcc DISP_CC_MDSS_MDP_CLK>;
        clock-names = "iface",
                      "ahb",
                      "core";

        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <1>;

        interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>;
        interconnect-names = "mdp0-mem";

        iommus = <&apps_smmu 0x900 0x402>;
        ranges;

        display-controller@ae01000 {
            compatible = "qcom,sc7280-dpu";
            reg = <0x0ae01000 0x8f000>,
                  <0x0aeb0000 0x2008>;

            reg-names = "mdp", "vbif";

            clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
                     <&gcc GCC_DISP_SF_AXI_CLK>,
                     <&dispcc DISP_CC_MDSS_AHB_CLK>,
                     <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
                     <&dispcc DISP_CC_MDSS_MDP_CLK>,
                     <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
            clock-names = "bus",
                          "nrt_bus",
                          "iface",
                          "lut",
                          "core",
                          "vsync";

            interrupt-parent = <&mdss>;
            interrupts = <0>;
            power-domains = <&rpmhpd SC7280_CX>;
            operating-points-v2 = <&mdp_opp_table>;

            ports {
                #address-cells = <1>;
                #size-cells = <0>;

                port@0 {
                    reg = <0>;
                    dpu_intf1_out: endpoint {
                        remote-endpoint = <&dsi0_in>;
                    };
                };

                port@1 {
                    reg = <1>;
                    dpu_intf5_out: endpoint {
                        remote-endpoint = <&edp_in>;
                    };
                };
            };
        };
    };
...