[PATCH v4 10/10] dt-bindings: display/msm: add support for the display on SM8250

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

Add DPU schema and extend MDSS schema to describe MDSS and DPU blocks on
Qualcomm SM8250 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 .../bindings/display/msm/dpu-sm8250.yaml      | 123 ++++++++++++++++++
 .../devicetree/bindings/display/msm/mdss.yaml |  51 ++++++++
 2 files changed, 174 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml

diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml b/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml
new file mode 100644
index 000000000000..26e71a0feb96
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/dpu-sm8250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display DPU dt properties for SM8250
+
+maintainers:
+  - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
+
+description: |
+  Device tree bindings for the DPU display controller for SM8250 target.
+
+properties:
+  compatible:
+    const: qcom,sm8250-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 ahb clock
+      - description: Display hf axi clock
+      - description: Display core clock
+      - description: Display vsync clock
+
+  clock-names:
+    items:
+      - const: iface
+      - const: bus
+      - const: core
+      - const: vsync
+
+allOf:
+  - $ref: "/schemas/display/msm/dpu-common.yaml#"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,dispcc-sm8250.h>
+    #include <dt-bindings/clock/qcom,gcc-sm8250.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interconnect/qcom,sm8250.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    mdss@ae00000 {
+      #address-cells = <1>;
+      #size-cells = <1>;
+      compatible = "qcom,sm8250-mdss";
+      reg = <0x0ae00000 0x1000>;
+      reg-names = "mdss";
+
+      interconnects = <&mmss_noc MASTER_MDP_PORT0 &mc_virt SLAVE_EBI_CH0>,
+                      <&mmss_noc MASTER_MDP_PORT1 &mc_virt SLAVE_EBI_CH0>;
+      interconnect-names = "mdp0-mem", "mdp1-mem";
+
+      power-domains = <&dispcc MDSS_GDSC>;
+
+      clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+               <&gcc GCC_DISP_HF_AXI_CLK>,
+               <&gcc GCC_DISP_SF_AXI_CLK>,
+               <&dispcc DISP_CC_MDSS_MDP_CLK>;
+      clock-names = "iface", "bus", "nrt_bus", "core";
+
+      interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+      interrupt-controller;
+      #interrupt-cells = <1>;
+
+      iommus = <&apps_smmu 0x820 0x402>;
+      ranges;
+
+      display-controller@ae01000 {
+        compatible = "qcom,sm8250-dpu";
+        reg = <0x0ae01000 0x8f000>,
+              <0x0aeb0000 0x2008>;
+        reg-names = "mdp", "vbif";
+
+        clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                 <&gcc GCC_DISP_HF_AXI_CLK>,
+                 <&dispcc DISP_CC_MDSS_MDP_CLK>,
+                 <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        clock-names = "iface", "bus", "core", "vsync";
+
+        assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        assigned-clock-rates = <19200000>;
+
+        operating-points-v2 = <&mdp_opp_table>;
+        power-domains = <&rpmhpd SM8250_MMCX>;
+
+        interrupt-parent = <&mdss>;
+        interrupts = <0>;
+
+        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>;
+            };
+          };
+        };
+      };
+    };
+...
diff --git a/Documentation/devicetree/bindings/display/msm/mdss.yaml b/Documentation/devicetree/bindings/display/msm/mdss.yaml
index 1b469893732a..57fa8dedc82b 100644
--- a/Documentation/devicetree/bindings/display/msm/mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/mdss.yaml
@@ -23,6 +23,7 @@ properties:
       - qcom,sc7180-mdss
       - qcom,sc7280-mdss
       - qcom,sdm845-mdss
+      - qcom,sm8250-mdss
 
   reg:
     minItems: 1
@@ -232,6 +233,30 @@ allOf:
         iommus:
           minItems: 2
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,sm8250-mdss
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Display AHB clock
+            - description: Display hf axi clock
+            - description: Display sf axi clock
+            - description: Display core clock
+
+        clock-names:
+          items:
+            - const: iface
+            - const: bus
+            - const: nrt_bus
+            - const: core
+
+        iommus:
+          minItems: 1
+
   - if:
       properties:
         compatible:
@@ -441,6 +466,32 @@ allOf:
               enum:
                 - qcom,dsi-phy-10nm
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,sm8250-mdss
+    then:
+      patternProperties:
+        "^display-controller@[1-9a-f][0-9a-f]*$":
+          type: object
+          properties:
+            compatible:
+              const: qcom,sm8250-dpu
+
+        "^dsi@[1-9a-f][0-9a-f]*$":
+          type: object
+          properties:
+            compatible:
+              const: qcom,mdss-dsi-ctrl
+
+        "^dsi-phy@[1-9a-f][0-9a-f]*$":
+          type: object
+          properties:
+            compatible:
+              enum:
+                - qcom,dsi-phy-7nm
+
 required:
   - compatible
   - reg
-- 
2.35.1