240 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
			
		
		
	
	
			240 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/msm/dpu-sc7280.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Display DPU dt properties for SC7280
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maintainers:
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  - Krishna Manikandan <quic_mkrishn@quicinc.com>
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description: |
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  Device tree bindings for MSM Mobile Display Subsystem (MDSS) that encapsulates
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  sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
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  bindings of MDSS and DPU are mentioned for SC7280.
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properties:
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  compatible:
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    const: qcom,sc7280-mdss
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  reg:
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    maxItems: 1
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  reg-names:
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    const: mdss
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  power-domains:
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    maxItems: 1
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  clocks:
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    items:
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      - description: Display AHB clock from gcc
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      - description: Display AHB clock from dispcc
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      - description: Display core clock
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  clock-names:
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    items:
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      - const: iface
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      - const: ahb
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      - const: core
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  interrupts:
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    maxItems: 1
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  interrupt-controller: true
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  "#address-cells": true
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  "#size-cells": true
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  "#interrupt-cells":
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    const: 1
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  iommus:
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    items:
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      - description: Phandle to apps_smmu node with SID mask for Hard-Fail port0
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  ranges: true
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  interconnects:
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    items:
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      - description: Interconnect path specifying the port ids for data bus
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  interconnect-names:
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    const: mdp0-mem
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  resets:
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    items:
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      - description: MDSS_CORE reset
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patternProperties:
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  "^display-controller@[0-9a-f]+$":
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    type: object
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    description: Node containing the properties of DPU.
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    additionalProperties: false
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    properties:
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      compatible:
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        const: qcom,sc7280-dpu
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      reg:
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        items:
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          - description: Address offset and size for mdp register set
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          - description: Address offset and size for vbif register set
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      reg-names:
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        items:
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          - const: mdp
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          - const: vbif
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      clocks:
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        items:
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          - description: Display hf axi clock
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          - description: Display sf axi clock
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          - description: Display ahb clock
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          - description: Display lut clock
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          - description: Display core clock
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          - description: Display vsync clock
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      clock-names:
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        items:
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          - const: bus
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          - const: nrt_bus
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          - const: iface
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          - const: lut
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          - const: core
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          - const: vsync
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      interrupts:
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        maxItems: 1
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      power-domains:
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        maxItems: 1
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      operating-points-v2: true
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      opp-table:
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        type: object
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      ports:
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        $ref: /schemas/graph.yaml#/properties/ports
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        description: |
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          Contains the list of output ports from DPU device. These ports
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          connect to interfaces that are external to the DPU hardware,
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          such as DSI, DP etc. Each output port contains an endpoint that
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          describes how it is connected to an external interface.
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        properties:
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          port@0:
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            $ref: /schemas/graph.yaml#/properties/port
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            description: DPU_INTF1 (DSI)
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          port@1:
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            $ref: /schemas/graph.yaml#/properties/port
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            description: DPU_INTF5 (EDP)
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        required:
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          - port@0
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    required:
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      - compatible
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      - reg
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      - reg-names
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      - clocks
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      - interrupts
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      - power-domains
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      - operating-points-v2
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      - ports
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required:
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  - compatible
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  - reg
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  - reg-names
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  - power-domains
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  - clocks
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  - interrupts
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  - interrupt-controller
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  - iommus
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  - ranges
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additionalProperties: false
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examples:
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  - |
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    #include <dt-bindings/clock/qcom,dispcc-sc7280.h>
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    #include <dt-bindings/clock/qcom,gcc-sc7280.h>
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    #include <dt-bindings/interrupt-controller/arm-gic.h>
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    #include <dt-bindings/interconnect/qcom,sc7280.h>
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    #include <dt-bindings/power/qcom-rpmpd.h>
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    display-subsystem@ae00000 {
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         #address-cells = <1>;
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         #size-cells = <1>;
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         compatible = "qcom,sc7280-mdss";
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         reg = <0xae00000 0x1000>;
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         reg-names = "mdss";
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         power-domains = <&dispcc DISP_CC_MDSS_CORE_GDSC>;
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         clocks = <&gcc GCC_DISP_AHB_CLK>,
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                  <&dispcc DISP_CC_MDSS_AHB_CLK>,
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                  <&dispcc DISP_CC_MDSS_MDP_CLK>;
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         clock-names = "iface",
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                       "ahb",
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                       "core";
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         interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
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         interrupt-controller;
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         #interrupt-cells = <1>;
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         interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>;
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         interconnect-names = "mdp0-mem";
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         iommus = <&apps_smmu 0x900 0x402>;
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         ranges;
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         display-controller@ae01000 {
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                   compatible = "qcom,sc7280-dpu";
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                   reg = <0x0ae01000 0x8f000>,
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                         <0x0aeb0000 0x2008>;
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                   reg-names = "mdp", "vbif";
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                   clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
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                            <&gcc GCC_DISP_SF_AXI_CLK>,
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                            <&dispcc DISP_CC_MDSS_AHB_CLK>,
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                            <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
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                            <&dispcc DISP_CC_MDSS_MDP_CLK>,
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                            <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
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                   clock-names = "bus",
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                                 "nrt_bus",
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                                 "iface",
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                                 "lut",
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                                 "core",
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                                 "vsync";
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                   interrupt-parent = <&mdss>;
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                   interrupts = <0>;
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                   power-domains = <&rpmhpd SC7280_CX>;
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                   operating-points-v2 = <&mdp_opp_table>;
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                   ports {
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                           #address-cells = <1>;
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                           #size-cells = <0>;
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                           port@0 {
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                                   reg = <0>;
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                                   dpu_intf1_out: endpoint {
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                                           remote-endpoint = <&dsi0_in>;
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                                   };
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                           };
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                           port@1 {
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                                   reg = <1>;
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                                   dpu_intf5_out: endpoint {
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                                           remote-endpoint = <&edp_in>;
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                                   };
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                           };
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                   };
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         };
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    };
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...
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