linux-loongson/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sm6150-mdss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SM6150 Display MDSS

maintainers:
  - Abhinav Kumar <quic_abhinavk@quicinc.com>
  - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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 SM6150 target.

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

properties:
  compatible:
    items:
      - const: qcom,sm6150-mdss

  clocks:
    items:
      - description: Display AHB clock from gcc
      - description: Display hf axi clock
      - description: Display core clock

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

  iommus:
    maxItems: 1

  interconnects:
    maxItems: 2

  interconnect-names:
    maxItems: 2

patternProperties:
  "^display-controller@[0-9a-f]+$":
    type: object
    additionalProperties: true
    properties:
      compatible:
        const: qcom,sm6150-dpu

  "^dsi@[0-9a-f]+$":
    type: object
    additionalProperties: true
    properties:
      compatible:
        items:
          - const: qcom,sm6150-dsi-ctrl
          - const: qcom,mdss-dsi-ctrl

  "^phy@[0-9a-f]+$":
    type: object
    additionalProperties: true
    properties:
      compatible:
        const: qcom,sm6150-dsi-phy-14nm

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,rpmh.h>
    #include <dt-bindings/interconnect/qcom,icc.h>
    #include <dt-bindings/interconnect/qcom,qcs615-rpmh.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/power/qcom,rpmhpd.h>

    display-subsystem@ae00000 {
        #address-cells = <1>;
        #size-cells = <1>;
        compatible = "qcom,sm6150-mdss";
        reg = <0x0ae00000 0x1000>;
        reg-names = "mdss";

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

        power-domains = <&dispcc_mdss_gdsc>;

        clocks = <&dispcc_mdss_ahb_clk>,
                 <&gcc_disp_hf_axi_clk>,
                 <&dispcc_mdss_mdp_clk>;

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

        iommus = <&apps_smmu 0x800 0x0>;

        ranges;

        display-controller@ae01000 {
            compatible = "qcom,sm6150-dpu";
            reg = <0x0ae01000 0x8f000>,
                  <0x0aeb0000 0x2008>;
            reg-names = "mdp", "vbif";

            clocks = <&dispcc_mdss_ahb_clk>,
                     <&gcc_disp_hf_axi_clk>,
                     <&dispcc_mdss_mdp_clk>,
                     <&dispcc_mdss_vsync_clk>;
            clock-names = "iface", "bus", "core", "vsync";

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

            operating-points-v2 = <&mdp_opp_table>;
            power-domains = <&rpmhpd RPMHPD_CX>;

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

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

                port@0 {
                  reg = <0>;
                  dpu_intf0_out: endpoint {
                  };
                };

                port@1 {
                  reg = <1>;
                  dpu_intf1_out: endpoint {
                      remote-endpoint = <&mdss_dsi0_in>;
                  };
                };
            };

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

                opp-19200000 {
                  opp-hz = /bits/ 64 <19200000>;
                  required-opps = <&rpmhpd_opp_low_svs>;
                };

                opp-25600000 {
                  opp-hz = /bits/ 64 <25600000>;
                  required-opps = <&rpmhpd_opp_svs>;
                };

                opp-307200000 {
                  opp-hz = /bits/ 64 <307200000>;
                  required-opps = <&rpmhpd_opp_nom>;
                };
            };
        };

        dsi@ae94000 {
            compatible = "qcom,sm6150-dsi-ctrl",
                         "qcom,mdss-dsi-ctrl";
            reg = <0x0ae94000 0x400>;
            reg-names = "dsi_ctrl";

            interrupt-parent = <&mdss>;
            interrupts = <4>;

            clocks = <&dispcc_mdss_byte0_clk>,
                     <&dispcc_mdss_byte0_intf_clk>,
                     <&dispcc_mdss_pclk0_clk>,
                     <&dispcc_mdss_esc0_clk>,
                     <&dispcc_mdss_ahb_clk>,
                     <&gcc_disp_hf_axi_clk>;
            clock-names = "byte",
                          "byte_intf",
                          "pixel",
                          "core",
                          "iface",
                          "bus";

            assigned-clocks = <&dispcc_mdss_byte0_clk_src>,
                              <&dispcc_mdss_pclk0_clk_src>;
            assigned-clock-parents = <&mdss_dsi0_phy 0>,
                                     <&mdss_dsi0_phy 1>;

            operating-points-v2 = <&dsi0_opp_table>;

            phys = <&mdss_dsi0_phy>;

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

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

                port@0 {
                    reg = <0>;
                    mdss_dsi0_in: endpoint {
                        remote-endpoint = <&dpu_intf1_out>;
                    };
                };

                port@1 {
                    reg = <1>;
                    mdss_dsi0_out: endpoint {
                    };
                };
            };

            dsi0_opp_table: opp-table {
                compatible = "operating-points-v2";

                opp-164000000 {
                    opp-hz = /bits/ 64 <164000000>;
                    required-opps = <&rpmhpd_opp_low_svs>;
                };
            };
        };

        mdss_dsi0_phy: phy@ae94400 {
            compatible = "qcom,sm6150-dsi-phy-14nm";
            reg = <0x0ae94400 0x100>,
                  <0x0ae94500 0x300>,
                  <0x0ae94800 0x188>;
            reg-names = "dsi_phy",
                        "dsi_phy_lane",
                        "dsi_pll";

            #clock-cells = <1>;
            #phy-cells = <0>;

            clocks = <&dispcc_mdss_ahb_clk>,
                     <&rpmhcc RPMH_CXO_CLK>;
            clock-names = "iface", "ref";
        };
    };    
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