new file mode 100644
@@ -0,0 +1,214 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/dpu-qcm2290.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display DPU dt properties for QCM2290 target
+
+maintainers:
+ - Loic Poulain <loic.poulain@linaro.org>
+
+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.
+
+properties:
+ compatible:
+ items:
+ - const: qcom,qcm2290-mdss
+
+ reg:
+ maxItems: 1
+
+ reg-names:
+ const: mdss
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Display AHB clock from gcc
+ - description: Display AXI clock
+ - description: Display core clock
+
+ clock-names:
+ items:
+ - const: iface
+ - const: bus
+ - const: core
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#address-cells": true
+
+ "#size-cells": true
+
+ "#interrupt-cells":
+ const: 1
+
+ iommus:
+ items:
+ - description: Phandle to apps_smmu node with SID mask for Hard-Fail port0
+ - description: Phandle to apps_smmu node with SID mask for Hard-Fail port1
+
+ ranges: true
+
+ interconnects:
+ items:
+ - description: Interconnect path specifying the port ids for data bus
+
+ interconnect-names:
+ const: mdp0-mem
+
+patternProperties:
+ "^display-controller@[0-9a-f]+$":
+ type: object
+ description: Node containing the properties of DPU.
+
+ 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
+
+ interrupts:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ operating-points-v2: true
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ description: |
+ Contains the list of output ports from DPU device. These ports
+ connect to interfaces that are external to the DPU hardware,
+ such as DSI. Each output port contains an endpoint that
+ describes how it is connected to an external interface.
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: DPU_INTF1 (DSI1)
+
+ required:
+ - port@0
+
+ required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - interrupts
+ - power-domains
+ - operating-points-v2
+ - ports
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - power-domains
+ - clocks
+ - interrupts
+ - interrupt-controller
+ - iommus
+ - ranges
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,dispcc-qcm2290.h>
+ #include <dt-bindings/clock/qcom,gcc-qcm2290.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interconnect/qcom,qcm2290.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+
+ mdss: mdss@5e00000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "qcom,qcm2290-mdss", "qcom,mdss";
+ reg = <0x05e00000 0x1000>;
+ reg-names = "mdss";
+ power-domains = <&dispcc MDSS_GDSC>;
+ clocks = <&gcc GCC_DISP_AHB_CLK>,
+ <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_CLK>;
+ clock-names = "iface", "bus", "core";
+
+ interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ interconnects = <&mmrt_virt MASTER_MDP0 &bimc SLAVE_EBI1>;
+ interconnect-names = "mdp0-mem";
+
+ iommus = <&apps_smmu 0x420 0x2>,
+ <&apps_smmu 0x421 0x0>;
+ ranges;
+
+ mdss_mdp: mdp@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 IRQ_TYPE_NONE>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dpu_intf1_out: endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+ };
+ };
+...
QCM2290 MSM Mobile Display Subsystem (MDSS) encapsulates sub-blocks like DPU display controller, DSI etc. Add YAML schema for DPU device tree bindings Signed-off-by: Loic Poulain <loic.poulain@linaro.org> --- .../bindings/display/msm/dpu-qcm2290.yaml | 214 +++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml