dt-bindings: display/msm: Add SM6125 MDSS

Document the SM6125 MDSS.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/548976/
Link: https://lore.kernel.org/r/20230723-sm6125-dpu-v4-9-a3f287dd6c07@somainline.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/qcom,sm6125-mdss.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,sm6125-mdss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM6125 Display MDSS
+
+maintainers:
+  - Marijn Suijten <marijn.suijten@somainline.org>
+
+description:
+  SM6125 MSM Mobile Display Subsystem (MDSS), which encapsulates sub-blocks
+  like DPU display controller, DSI and DP interfaces etc.
+
+$ref: /schemas/display/msm/mdss-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sm6125-mdss
+
+  clocks:
+    items:
+      - description: Display AHB clock from gcc
+      - description: Display AHB clock
+      - description: Display core clock
+
+  clock-names:
+    items:
+      - const: iface
+      - const: ahb
+      - const: core
+
+  iommus:
+    maxItems: 1
+
+  interconnects:
+    maxItems: 2
+
+  interconnect-names:
+    maxItems: 2
+
+patternProperties:
+  "^display-controller@[0-9a-f]+$":
+    type: object
+    properties:
+      compatible:
+        const: qcom,sm6125-dpu
+
+  "^dsi@[0-9a-f]+$":
+    type: object
+    properties:
+      compatible:
+        items:
+          - const: qcom,sm6125-dsi-ctrl
+          - const: qcom,mdss-dsi-ctrl
+
+  "^phy@[0-9a-f]+$":
+    type: object
+    properties:
+      compatible:
+        const: qcom,sm6125-dsi-phy-14nm
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,dispcc-sm6125.h>
+    #include <dt-bindings/clock/qcom,gcc-sm6125.h>
+    #include <dt-bindings/clock/qcom,rpmcc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    display-subsystem@5e00000 {
+        compatible = "qcom,sm6125-mdss";
+        reg = <0x05e00000 0x1000>;
+        reg-names = "mdss";
+
+        interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-controller;
+        #interrupt-cells = <1>;
+
+        clocks = <&gcc GCC_DISP_AHB_CLK>,
+                 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                 <&dispcc DISP_CC_MDSS_MDP_CLK>;
+        clock-names = "iface",
+                      "ahb",
+                      "core";
+
+        power-domains = <&dispcc MDSS_GDSC>;
+
+        iommus = <&apps_smmu 0x400 0x0>;
+
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        display-controller@5e01000 {
+            compatible = "qcom,sm6125-dpu";
+            reg = <0x05e01000 0x83208>,
+                  <0x05eb0000 0x2008>;
+            reg-names = "mdp", "vbif";
+
+            interrupt-parent = <&mdss>;
+            interrupts = <0>;
+
+            clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+                     <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                     <&dispcc DISP_CC_MDSS_ROT_CLK>,
+                     <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+                     <&dispcc DISP_CC_MDSS_MDP_CLK>,
+                     <&dispcc DISP_CC_MDSS_VSYNC_CLK>,
+                     <&gcc GCC_DISP_THROTTLE_CORE_CLK>;
+            clock-names = "bus",
+                          "iface",
+                          "rot",
+                          "lut",
+                          "core",
+                          "vsync",
+                          "throttle";
+            assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+            assigned-clock-rates = <19200000>;
+
+            operating-points-v2 = <&mdp_opp_table>;
+            power-domains = <&rpmpd SM6125_VDDCX>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    dpu_intf1_out: endpoint {
+                        remote-endpoint = <&mdss_dsi0_in>;
+                    };
+                };
+            };
+        };
+
+        dsi@5e94000 {
+            compatible = "qcom,sm6125-dsi-ctrl", "qcom,mdss-dsi-ctrl";
+            reg = <0x05e94000 0x400>;
+            reg-names = "dsi_ctrl";
+
+            interrupt-parent = <&mdss>;
+            interrupts = <4>;
+
+            clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>,
+                     <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>,
+                     <&dispcc DISP_CC_MDSS_PCLK0_CLK>,
+                     <&dispcc DISP_CC_MDSS_ESC0_CLK>,
+                     <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                     <&gcc GCC_DISP_HF_AXI_CLK>;
+            clock-names = "byte",
+                          "byte_intf",
+                          "pixel",
+                          "core",
+                          "iface",
+                          "bus";
+            assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>,
+                      <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
+            assigned-clock-parents = <&mdss_dsi0_phy 0>, <&mdss_dsi0_phy 1>;
+
+            operating-points-v2 = <&dsi_opp_table>;
+            power-domains = <&rpmpd SM6125_VDDCX>;
+
+            phys = <&mdss_dsi0_phy>;
+            phy-names = "dsi";
+
+            #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 {
+                    };
+                };
+            };
+        };
+
+        phy@5e94400 {
+            compatible = "qcom,sm6125-dsi-phy-14nm";
+            reg = <0x05e94400 0x100>,
+                  <0x05e94500 0x300>,
+                  <0x05e94800 0x188>;
+            reg-names = "dsi_phy",
+                        "dsi_phy_lane",
+                        "dsi_pll";
+
+            #clock-cells = <1>;
+            #phy-cells = <0>;
+
+            clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                     <&rpmcc RPM_SMD_XO_CLK_SRC>;
+            clock-names = "iface",
+                          "ref";
+
+            required-opps = <&rpmpd_opp_nom>;
+            power-domains = <&rpmpd SM6125_VDDMX>;
+        };
+    };
+...