[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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