dt-bindings: display/msm: split dpu-qcm2290 into DPU and MDSS parts

In order to make the schema more readable, split dpu-qcm2290 into the DPU
and MDSS parts, each one describing just a single device binding.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/508383/
Link: https://lore.kernel.org/r/20221024164225.3236654-11-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/qcom,qcm2290-dpu.yaml

+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,qcm2290-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display DPU dt properties for QCM2290 target
+
+maintainers:
+  - Loic Poulain <loic.poulain@linaro.org>
+
+$ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: qcom,qcm2290-dpu
+
+  reg:
+    items:
+      - description: Address offset and size for mdp register set
+      - description: Address offset and size for vbif register set
+
+  reg-names:
+    items:
+      - const: mdp
+      - const: vbif
+
+  clocks:
+    items:
+      - description: Display AXI clock from gcc
+      - description: Display AHB clock from dispcc
+      - description: Display core clock from dispcc
+      - description: Display lut clock from dispcc
+      - description: Display vsync clock from dispcc
+
+  clock-names:
+    items:
+      - const: bus
+      - const: iface
+      - const: core
+      - const: lut
+      - const: vsync
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,dispcc-qcm2290.h>
+    #include <dt-bindings/clock/qcom,gcc-qcm2290.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    display-controller@5e01000 {
+        compatible = "qcom,qcm2290-dpu";
+        reg = <0x05e01000 0x8f000>,
+              <0x05eb0000 0x2008>;
+        reg-names = "mdp", "vbif";
+
+        clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+                 <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                 <&dispcc DISP_CC_MDSS_MDP_CLK>,
+                 <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+                 <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        clock-names = "bus", "iface", "core", "lut", "vsync";
+
+        operating-points-v2 = <&mdp_opp_table>;
+        power-domains = <&rpmpd QCM2290_VDDCX>;
+
+        interrupt-parent = <&mdss>;
+        interrupts = <0>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                endpoint {
+                    remote-endpoint = <&dsi0_in>;
+                };
+            };
+        };
+    };
+...

Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml → Documentation/devicetree/bindings/display/msm/qcom,qcm2290-mdss.yaml

 # SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/display/msm/dpu-qcm2290.yaml#
+$id: http://devicetree.org/schemas/display/msm/qcom,qcm2290-mdss.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Qualcomm Display DPU dt properties for QCM2290 target
+title: Qualcomm QCM220 Display MDSS
 
 maintainers:
   - Loic Poulain <loic.poulain@linaro.org>
 
-description: |
+description:
   Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
   sub-blocks like DPU display controller and DSI. Device tree bindings of MDSS
-  and DPU are mentioned for QCM2290 target.
+  are mentioned for QCM2290 target.
 
 $ref: /schemas/display/msm/mdss-common.yaml#
 
@@ -45,40 +45,9 @@ properties:
 patternProperties:
   "^display-controller@[0-9a-f]+$":
     type: object
-    $ref: /schemas/display/msm/dpu-common.yaml#
-    description: Node containing the properties of DPU.
-    unevaluatedProperties: false
-
     properties:
       compatible:
-        items:
-          - const: qcom,qcm2290-dpu
-
-      reg:
-        items:
-          - description: Address offset and size for mdp register set
-          - description: Address offset and size for vbif register set
-
-      reg-names:
-        items:
-          - const: mdp
-          - const: vbif
-
-      clocks:
-        items:
-          - description: Display AXI clock from gcc
-          - description: Display AHB clock from dispcc
-          - description: Display core clock from dispcc
-          - description: Display lut clock from dispcc
-          - description: Display vsync clock from dispcc
-
-      clock-names:
-        items:
-          - const: bus
-          - const: iface
-          - const: core
-          - const: lut
-          - const: vsync
+        const: qcom,qcm2290-dpu
 
 unevaluatedProperties: false
 
@@ -90,7 +59,7 @@ examples:
     #include <dt-bindings/interconnect/qcom,qcm2290.h>
     #include <dt-bindings/power/qcom-rpmpd.h>
 
-    mdss: mdss@5e00000 {
+    mdss@5e00000 {
         #address-cells = <1>;
         #size-cells = <1>;
         compatible = "qcom,qcm2290-mdss";
@@ -113,7 +82,7 @@ examples:
                  <&apps_smmu 0x421 0x0>;
         ranges;
 
-        mdss_mdp: display-controller@5e01000 {
+        display-controller@5e01000 {
             compatible = "qcom,qcm2290-dpu";
             reg = <0x05e01000 0x8f000>,
                   <0x05eb0000 0x2008>;