dt-bindings: display/msm: split dpu-msm8998 into DPU and MDSS parts

In order to make the schema more readable, split dpu-msm8998 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/508388/
Link: https://lore.kernel.org/r/20221024164225.3236654-10-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/qcom,msm8998-dpu.yaml

+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,msm8998-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display DPU dt properties for MSM8998 target
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
+
+$ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: qcom,msm8998-dpu
+
+  reg:
+    items:
+      - description: Address offset and size for mdp register set
+      - description: Address offset and size for regdma register set
+      - description: Address offset and size for vbif register set
+      - description: Address offset and size for non-realtime vbif register set
+
+  reg-names:
+    items:
+      - const: mdp
+      - const: regdma
+      - const: vbif
+      - const: vbif_nrt
+
+  clocks:
+    items:
+      - description: Display ahb clock
+      - description: Display axi clock
+      - description: Display mem-noc clock
+      - description: Display core clock
+      - description: Display vsync clock
+
+  clock-names:
+    items:
+      - const: iface
+      - const: bus
+      - const: mnoc
+      - const: core
+      - const: vsync
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,mmcc-msm8998.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    display-controller@c901000 {
+        compatible = "qcom,msm8998-dpu";
+        reg = <0x0c901000 0x8f000>,
+              <0x0c9a8e00 0xf0>,
+              <0x0c9b0000 0x2008>,
+              <0x0c9b8000 0x1040>;
+        reg-names = "mdp", "regdma", "vbif", "vbif_nrt";
+
+        clocks = <&mmcc MDSS_AHB_CLK>,
+                 <&mmcc MDSS_AXI_CLK>,
+                 <&mmcc MNOC_AHB_CLK>,
+                 <&mmcc MDSS_MDP_CLK>,
+                 <&mmcc MDSS_VSYNC_CLK>;
+        clock-names = "iface", "bus", "mnoc", "core", "vsync";
+
+        interrupt-parent = <&mdss>;
+        interrupts = <0>;
+        operating-points-v2 = <&mdp_opp_table>;
+        power-domains = <&rpmpd MSM8998_VDDMX>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                endpoint {
+                    remote-endpoint = <&dsi0_in>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                endpoint {
+                    remote-endpoint = <&dsi1_in>;
+                };
+            };
+        };
+    };
+...

Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml → Documentation/devicetree/bindings/display/msm/qcom,msm8998-mdss.yaml

 # SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/display/msm/dpu-msm8998.yaml#
+$id: http://devicetree.org/schemas/display/msm/qcom,msm8998-mdss.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Qualcomm Display DPU dt properties for MSM8998 target
+title: Qualcomm MSM8998 Display MDSS
 
 maintainers:
   - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
 
-description: |
+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 and DPU are mentioned for MSM8998 target.
+  bindings of MDSS are mentioned for MSM8998 target.
 
 $ref: /schemas/display/msm/mdss-common.yaml#
 
@@ -39,44 +39,9 @@ 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,msm8998-dpu
-
-      reg:
-        items:
-          - description: Address offset and size for mdp register set
-          - description: Address offset and size for regdma register set
-          - description: Address offset and size for vbif register set
-          - description: Address offset and size for non-realtime vbif register set
-
-      reg-names:
-        items:
-          - const: mdp
-          - const: regdma
-          - const: vbif
-          - const: vbif_nrt
-
-      clocks:
-        items:
-          - description: Display ahb clock
-          - description: Display axi clock
-          - description: Display mem-noc clock
-          - description: Display core clock
-          - description: Display vsync clock
-
-      clock-names:
-        items:
-          - const: iface
-          - const: bus
-          - const: mnoc
-          - const: core
-          - const: vsync
+        const: qcom,msm8998-dpu
 
 unevaluatedProperties: false
 
@@ -86,7 +51,7 @@ examples:
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/power/qcom-rpmpd.h>
 
-    mdss: display-subsystem@c900000 {
+    display-subsystem@c900000 {
         compatible = "qcom,msm8998-mdss";
         reg = <0x0c900000 0x1000>;
         reg-names = "mdss";