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# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2020 Renesas Electronics Corp.
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/renesas,csi2.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas R-Car MIPI CSI-2 receiver

maintainers:
  - Niklas Söderlund <niklas.soderlund@ragnatech.se>

description:
  The R-Car CSI-2 receiver device provides MIPI CSI-2 capabilities for the
  Renesas R-Car and RZ/G2 family of devices. It is used in conjunction with the
  R-Car VIN module, which provides the video capture capabilities.

properties:
  compatible:
    items:
      - enum:
          - renesas,r8a774a1-csi2 # RZ/G2M
          - renesas,r8a774b1-csi2 # RZ/G2N
          - renesas,r8a774c0-csi2 # RZ/G2E
          - renesas,r8a774e1-csi2 # RZ/G2H
          - renesas,r8a7795-csi2  # R-Car H3
          - renesas,r8a7796-csi2  # R-Car M3-W
          - renesas,r8a77961-csi2 # R-Car M3-W+
          - renesas,r8a77965-csi2 # R-Car M3-N
          - renesas,r8a77970-csi2 # R-Car V3M
          - renesas,r8a77980-csi2 # R-Car V3H
          - renesas,r8a77990-csi2 # R-Car E3
          - renesas,r8a779a0-csi2 # R-Car V3U

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

  ports:
    $ref: /schemas/graph.yaml#/properties/ports

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/$defs/port-base
        unevaluatedProperties: false
        description:
          Input port node, single endpoint describing the CSI-2 transmitter.

        properties:
          endpoint:
            $ref: video-interfaces.yaml#
            unevaluatedProperties: false

            properties:
              clock-lanes:
                maxItems: 1

              data-lanes:
                maxItems: 1

            required:
              - clock-lanes
              - data-lanes

      port@1:
        $ref: /schemas/graph.yaml#/properties/port
        description:
          Output port node, multiple endpoints describing all the R-Car VIN
          modules connected the CSI-2 receiver.

    required:
      - port@0
      - port@1

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - power-domains
  - resets
  - ports

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/power/r8a7796-sysc.h>

    csi20: csi2@fea80000 {
            compatible = "renesas,r8a7796-csi2";
            reg = <0xfea80000 0x10000>;
            interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&cpg CPG_MOD 714>;
            power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
            resets = <&cpg 714>;

            ports {
                    #address-cells = <1>;
                    #size-cells = <0>;

                    port@0 {
                            reg = <0>;

                            csi20_in: endpoint {
                                    clock-lanes = <0>;
                                    data-lanes = <1>;
                                    remote-endpoint = <&adv7482_txb>;
                            };
                    };

                    port@1 {
                            #address-cells = <1>;
                            #size-cells = <0>;

                            reg = <1>;

                            csi20vin0: endpoint@0 {
                                    reg = <0>;
                                    remote-endpoint = <&vin0csi20>;
                            };
                            csi20vin1: endpoint@1 {
                                    reg = <1>;
                                    remote-endpoint = <&vin1csi20>;
                            };
                            csi20vin2: endpoint@2 {
                                    reg = <2>;
                                    remote-endpoint = <&vin2csi20>;
                            };
                            csi20vin3: endpoint@3 {
                                    reg = <3>;
                                    remote-endpoint = <&vin3csi20>;
                            };
                            csi20vin4: endpoint@4 {
                                    reg = <4>;
                                    remote-endpoint = <&vin4csi20>;
                            };
                            csi20vin5: endpoint@5 {
                                    reg = <5>;
                                    remote-endpoint = <&vin5csi20>;
                            };
                            csi20vin6: endpoint@6 {
                                    reg = <6>;
                                    remote-endpoint = <&vin6csi20>;
                            };
                            csi20vin7: endpoint@7 {
                                    reg = <7>;
                                    remote-endpoint = <&vin7csi20>;
                            };
                    };
            };
    };