dt-bindings: display: msm: Document the Glymur Mobile Display SubSystem

The MDSS/MDP display subsystem found on Glymur platform is 2 minor version
increase compared to SM8750, which makes it incompatible with all previous
platforms. So document it.

Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Abel Vesa <[e-mail]>
Patchwork: https://patchwork.freedesktop.org/patch/683714/
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>

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

···
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,glymur-mdss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Glymur Display MDSS
+
+maintainers:
+  - Abel Vesa <[e-mail]>
+
+description:
+  Glymur MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
+  DPU display controller, DP interfaces, etc.
+
+$ref: /schemas/display/msm/mdss-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,glymur-mdss
+
+  clocks:
+    items:
+      - description: Display AHB
+      - description: Display hf AXI
+      - description: Display core
+
+  iommus:
+    maxItems: 1
+
+  interconnects:
+    items:
+      - description: Interconnect path from mdp0 port to the data bus
+      - description: Interconnect path from CPU to the reg bus
+
+  interconnect-names:
+    items:
+      - const: mdp0-mem
+      - const: cpu-cfg
+
+patternProperties:
+  "^display-controller@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,glymur-dpu
+
+  "^displayport-controller@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,glymur-dp
+
+  "^phy@[0-9a-f]+$":
+    type: object
+    additionalProperties: true
+    properties:
+      compatible:
+        const: qcom,glymur-dp-phy
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/interconnect/qcom,icc.h>
+    #include <dt-bindings/interconnect/qcom,glymur-rpmh.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/phy/phy-qcom-qmp.h>
+    #include <dt-bindings/power/qcom,rpmhpd.h>
+
+    display-subsystem@ae00000 {
+            compatible = "qcom,glymur-mdss";
+            reg = <0x0ae00000 0x1000>;
+            reg-names = "mdss";
+
+            interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+
+            clocks = <&dispcc_ahb_clk>,
+                     <&gcc_disp_hf_axi_clk>,
+                     <&dispcc_mdp_clk>;
+            clock-names = "bus", "nrt_bus", "core";
+
+            interconnects = <&mmss_noc MASTER_MDP QCOM_ICC_TAG_ALWAYS
+                             &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+                            <&hsc_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";
+
+            resets = <&disp_cc_mdss_core_bcr>;
+
+            power-domains = <&mdss_gdsc>;
+
+            iommus = <&apps_smmu 0x1c00 0x2>;
+
+            interrupt-controller;
+            #interrupt-cells = <1>;
+
+            #address-cells = <1>;
+            #size-cells = <1>;
+            ranges;
+
+            display-controller@ae01000 {
+                compatible = "qcom,glymur-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,glymur-dp";
+                reg = <0xae90000 0x200>,
+                      <0xae90200 0x200>,
+                      <0xae90400 0x600>,
+                      <0xae91000 0x400>,
+                      <0xae91400 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>,
+                         <&dispcc_dptx0_pixel1_clk>;
+                clock-names = "core_iface",
+                              "core_aux",
+                              "ctrl_link",
+                              "ctrl_link_iface",
+                              "stream_pixel",
+                              "stream_1_pixel";
+
+                assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>,
+                                  <&dispcc_mdss_dptx0_pixel0_clk_src>,
+                                  <&dispcc_mdss_dptx0_pixel1_clk_src>;
+                assigned-clock-parents = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+                                         <&usb_1_ss0_qmpphy QMP_USB43DP_DP_VCO_DIV_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>;
+                    };
+                };
+            };
+        };
+...