dt-bindings: display/msm: Document MDSS on X1E80100

Document the MDSS hardware found on the Qualcomm X1E80100 platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/579074/
Link: https://lore.kernel.org/r/20240220-x1e80100-display-v4-2-971afd9de861@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,x1e80100-mdss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm X1E80100 Display MDSS
+
+maintainers:
+  - Abel Vesa <abel.vesa@linaro.org>
+
+description:
+  X1E80100 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
+  DPU display controller, DP interfaces, etc.
+
+$ref: /schemas/display/msm/mdss-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,x1e80100-mdss
+
+  clocks:
+    items:
+      - description: Display AHB
+      - description: Display hf AXI
+      - description: Display core
+
+  iommus:
+    maxItems: 1
+
+  interconnects:
+    maxItems: 3
+
+  interconnect-names:
+    maxItems: 3
+
+patternProperties:
+  "^display-controller@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,x1e80100-dpu
+
+  "^displayport-controller@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,x1e80100-dp
+
+  "^phy@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,x1e80100-dp-phy
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interconnect/qcom,x1e80100-rpmh.h>
+    #include <dt-bindings/phy/phy-qcom-qmp.h>
+    #include <dt-bindings/power/qcom,rpmhpd.h>
+
+    display-subsystem@ae00000 {
+        compatible = "qcom,x1e80100-mdss";
+        reg = <0x0ae00000 0x1000>;
+        reg-names = "mdss";
+
+        interconnects = <&mmss_noc MASTER_MDP 0 &gem_noc SLAVE_LLCC 0>,
+                        <&mc_virt MASTER_LLCC 0 &mc_virt SLAVE_EBI1 0>,
+                        <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_DISPLAY_CFG 0>;
+        interconnect-names = "mdp0-mem", "mdp1-mem", "cpu-cfg";
+
+        resets = <&dispcc_core_bcr>;
+
+        power-domains = <&dispcc_gdsc>;
+
+        clocks = <&dispcc_ahb_clk>,
+                 <&gcc_disp_hf_axi_clk>,
+                 <&dispcc_mdp_clk>;
+        clock-names = "bus", "nrt_bus", "core";
+
+        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-controller;
+        #interrupt-cells = <1>;
+
+        iommus = <&apps_smmu 0x1c00 0x2>;
+
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        display-controller@ae01000 {
+            compatible = "qcom,x1e80100-dpu";
+            reg = <0x0ae01000 0x8f000>,
+                  <0x0aeb0000 0x2008>;
+            reg-names = "mdp", "vbif";
+
+            clocks = <&gcc_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 = <&mdp_opp_table>;
+            power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+            interrupt-parent = <&mdss>;
+            interrupts = <0>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    dpu_intf1_out: endpoint {
+                        remote-endpoint = <&dsi0_in>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    dpu_intf2_out: endpoint {
+                        remote-endpoint = <&dsi1_in>;
+                    };
+                };
+            };
+
+            mdp_opp_table: opp-table {
+                compatible = "operating-points-v2";
+
+                opp-200000000 {
+                    opp-hz = /bits/ 64 <200000000>;
+                    required-opps = <&rpmhpd_opp_low_svs>;
+                };
+
+                opp-325000000 {
+                    opp-hz = /bits/ 64 <325000000>;
+                    required-opps = <&rpmhpd_opp_svs>;
+                };
+
+                opp-375000000 {
+                    opp-hz = /bits/ 64 <375000000>;
+                    required-opps = <&rpmhpd_opp_svs_l1>;
+                };
+
+                opp-514000000 {
+                    opp-hz = /bits/ 64 <514000000>;
+                    required-opps = <&rpmhpd_opp_nom>;
+                };
+            };
+        };
+
+        displayport-controller@ae90000 {
+            compatible = "qcom,x1e80100-dp";
+            reg = <0 0xae90000 0 0x200>,
+                  <0 0xae90200 0 0x200>,
+                  <0 0xae90400 0 0x600>,
+                  <0 0xae91000 0 0x400>,
+                  <0 0xae91400 0 0x400>;
+
+            interrupt-parent = <&mdss>;
+            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 = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+                  <&usb_1_ss0_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+
+            operating-points-v2 = <&mdss_dp0_opp_table>;
+
+            power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+            phys = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_PHY>;
+            phy-names = "dp";
+
+            #sound-dai-cells = <0>;
+
+            ports {
+              #address-cells = <1>;
+              #size-cells = <0>;
+
+              port@0 {
+                  reg = <0>;
+
+                  mdss_dp0_in: endpoint {
+                    remote-endpoint = <&mdss_intf0_out>;
+                  };
+              };
+
+              port@1 {
+                  reg = <1>;
+
+                  mdss_dp0_out: endpoint {
+                  };
+              };
+            };
+
+            mdss_dp0_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>;
+              };
+            };
+        };
+    };
+...