Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sa8775p-mdss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. SA87755P Display MDSS

maintainers:
  - Mahadevan <quic_mahap@quicinc.com>

description:
  SA8775P MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
  DPU display controller, DP interfaces and EDP etc.

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

properties:
  compatible:
    const: qcom,sa8775p-mdss

  clocks:
    items:
      - description: Display AHB
      - description: Display hf AXI
      - description: Display core

  iommus:
    maxItems: 1

  interconnects:
    maxItems: 3

  interconnect-names:
    maxItems: 3

patternProperties:
  "^display-controller@[0-9a-f]+$":
    type: object
    additionalProperties: true

    properties:
      compatible:
        const: qcom,sa8775p-dpu

  "^displayport-controller@[0-9a-f]+$":
    type: object
    additionalProperties: true

    properties:
      compatible:
        items:
          - const: qcom,sa8775p-dp

required:
  - compatible

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interconnect/qcom,icc.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
    #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
    #include <dt-bindings/power/qcom,rpmhpd.h>
    #include <dt-bindings/power/qcom-rpmpd.h>

    display-subsystem@ae00000 {
        compatible = "qcom,sa8775p-mdss";
        reg = <0x0ae00000 0x1000>;
        reg-names = "mdss";

        interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>,
                        <&mmss_noc MASTER_MDP1 &mc_virt SLAVE_EBI1>,
                        <&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_DISPLAY_CFG>;
        interconnect-names = "mdp0-mem",
                             "mdp1-mem",
                             "cpu-cfg";


        resets = <&dispcc_core_bcr>;
        power-domains = <&dispcc_gdsc>;

        clocks = <&dispcc_ahb_clk>,
                 <&gcc GCC_DISP_HF_AXI_CLK>,
                 <&dispcc_mdp_clk>;

        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <1>;

        iommus = <&apps_smmu 0x1000 0x402>;

        #address-cells = <1>;
        #size-cells = <1>;
        ranges;

        display-controller@ae01000 {
            compatible = "qcom,sa8775p-dpu";
            reg = <0x0ae01000 0x8f000>,
                  <0x0aeb0000 0x2008>;
            reg-names = "mdp", "vbif";

            clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
                     <&dispcc_ahb_clk>,
                     <&dispcc_mdp_lut_clk>,
                     <&dispcc_mdp_clk>,
                     <&dispcc_mdp_vsync_clk>;
            clock-names = "nrt_bus",
                          "iface",
                          "lut",
                          "core",
                          "vsync";

            assigned-clocks = <&dispcc_mdp_vsync_clk>;
            assigned-clock-rates = <19200000>;

            operating-points-v2 = <&mdss0_mdp_opp_table>;
            power-domains = <&rpmhpd RPMHPD_MMCX>;

            interrupt-parent = <&mdss0>;
            interrupts = <0>;

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

                port@0 {
                    reg = <0>;
                    dpu_intf0_out: endpoint {
                         remote-endpoint = <&mdss0_dp0_in>;
                    };
                };
            };

            mdss0_mdp_opp_table: opp-table {
                compatible = "operating-points-v2";

                opp-375000000 {
                    opp-hz = /bits/ 64 <375000000>;
                    required-opps = <&rpmhpd_opp_svs_l1>;
                };

                opp-500000000 {
                    opp-hz = /bits/ 64 <500000000>;
                    required-opps = <&rpmhpd_opp_nom>;
                };

                opp-575000000 {
                    opp-hz = /bits/ 64 <575000000>;
                    required-opps = <&rpmhpd_opp_turbo>;
                };

                opp-650000000 {
                    opp-hz = /bits/ 64 <650000000>;
                    required-opps = <&rpmhpd_opp_turbo_l1>;
                };
            };
        };

        displayport-controller@af54000 {
            compatible = "qcom,sa8775p-dp";

            pinctrl-0 = <&dp_hot_plug_det>;
            pinctrl-names = "default";

            reg = <0xaf54000 0x104>,
                  <0xaf54200 0x0c0>,
                  <0xaf55000 0x770>,
                  <0xaf56000 0x09c>;

            interrupt-parent = <&mdss0>;
            interrupts = <12>;

            clocks = <&dispcc_mdss_ahb_clk>,
                     <&dispcc_dptx0_aux_clk>,
                     <&dispcc_dptx0_link_clk>,
                     <&dispcc_dptx0_link_intf_clk>,
                     <&dispcc_dptx0_pixel0_clk>;
            clock-names = "core_iface",
                          "core_aux",
                          "ctrl_link",
                          "ctrl_link_iface",
                          "stream_pixel";

            assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>,
                              <&dispcc_mdss_dptx0_pixel0_clk_src>;
            assigned-clock-parents = <&mdss0_edp_phy 0>, <&mdss0_edp_phy 1>;

            phys = <&mdss0_edp_phy>;
            phy-names = "dp";

            operating-points-v2 = <&dp_opp_table>;
            power-domains = <&rpmhpd SA8775P_MMCX>;

            #sound-dai-cells = <0>;

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

                port@0 {
                    reg = <0>;
                    mdss0_dp0_in: endpoint {
                        remote-endpoint = <&dpu_intf0_out>;
                    };
                };

                port@1 {
                   reg = <1>;
                   mdss0_dp_out: endpoint { };
                };
            };

            dp_opp_table: opp-table {
                compatible = "operating-points-v2";

                opp-160000000 {
                    opp-hz = /bits/ 64 <160000000>;
                    required-opps = <&rpmhpd_opp_low_svs>;
                };

                opp-270000000 {
                    opp-hz = /bits/ 64 <270000000>;
                    required-opps = <&rpmhpd_opp_svs>;
                };

                opp-540000000 {
                    opp-hz = /bits/ 64 <540000000>;
                    required-opps = <&rpmhpd_opp_svs_l1>;
                };

                opp-810000000 {
                    opp-hz = /bits/ 64 <810000000>;
                    required-opps = <&rpmhpd_opp_nom>;
                };
            };
        };
    };
...