[PATCH 2/4] dt-bindings: display/msm: describe DPU on SC8180X

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Fri Jul 4 16:31:54 UTC 2025


Describe the Display Processing Unit (DPU) as present on the SC8180X
platform.

Reported-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
---
 .../bindings/display/msm/qcom,sc8180x-dpu.yaml     | 103 +++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sc8180x-dpu.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sc8180x-dpu.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a411126708b80f77bde88d7dd1ed49184856969c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sc8180x-dpu.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,sc8180x-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SC8180X Display DPU
+
+maintainers:
+  - Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
+
+$ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sc8180x-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
+      - description: Display rotator clock
+      - description: Display LUT clock
+
+  clock-names:
+    items:
+      - const: iface
+      - const: bus
+      - const: core
+      - const: vsync
+      - const: rot
+      - const: lut
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,dispcc-sm8250.h>
+    #include <dt-bindings/clock/qcom,gcc-sc8180x.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interconnect/qcom,sc8180x.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    display-controller at ae01000 {
+        compatible = "qcom,sc8180x-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>,
+                 <&dispcc DISP_CC_MDSS_ROT_CLK>,
+                 <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>;
+        clock-names = "iface",
+                      "bus",
+                      "core",
+                      "vsync",
+                      "rot",
+                      "lut";
+
+        assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        assigned-clock-rates = <19200000>;
+
+        operating-points-v2 = <&mdp_opp_table>;
+        power-domains = <&rpmhpd SC8180X_MMCX>;
+
+        interrupt-parent = <&mdss>;
+        interrupts = <0>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port at 0 {
+                reg = <0>;
+                endpoint {
+                    remote-endpoint = <&dsi0_in>;
+                };
+            };
+
+            port at 1 {
+                reg = <1>;
+                endpoint {
+                    remote-endpoint = <&dsi1_in>;
+                };
+            };
+        };
+    };
+...

-- 
2.39.5



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