renesas,csi2.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only
    2 # Copyright (C) 2020 Renesas Electronics Corp.
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/media/renesas,csi2.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Renesas R-Car MIPI CSI-2 receiver
    9 
   10 maintainers:
   11   - Niklas Söderlund <niklas.soderlund@ragnatech.se>
   12 
   13 description:
   14   The R-Car CSI-2 receiver device provides MIPI CSI-2 capabilities for the
   15   Renesas R-Car and RZ/G2 family of devices. It is used in conjunction with the
   16   R-Car VIN module, which provides the video capture capabilities.
   17 
   18 properties:
   19   compatible:
   20     items:
   21       - enum:
   22           - renesas,r8a774a1-csi2 # RZ/G2M
   23           - renesas,r8a774b1-csi2 # RZ/G2N
   24           - renesas,r8a774c0-csi2 # RZ/G2E
   25           - renesas,r8a774e1-csi2 # RZ/G2H
   26           - renesas,r8a7795-csi2  # R-Car H3
   27           - renesas,r8a7796-csi2  # R-Car M3-W
   28           - renesas,r8a77961-csi2 # R-Car M3-W+
   29           - renesas,r8a77965-csi2 # R-Car M3-N
   30           - renesas,r8a77970-csi2 # R-Car V3M
   31           - renesas,r8a77980-csi2 # R-Car V3H
   32           - renesas,r8a77990-csi2 # R-Car E3
   33           - renesas,r8a779a0-csi2 # R-Car V3U
   34 
   35   reg:
   36     maxItems: 1
   37 
   38   interrupts:
   39     maxItems: 1
   40 
   41   clocks:
   42     maxItems: 1
   43 
   44   power-domains:
   45     maxItems: 1
   46 
   47   resets:
   48     maxItems: 1
   49 
   50   ports:
   51     $ref: /schemas/graph.yaml#/properties/ports
   52 
   53     properties:
   54       port@0:
   55         $ref: /schemas/graph.yaml#/$defs/port-base
   56         unevaluatedProperties: false
   57         description:
   58           Input port node, single endpoint describing the CSI-2 transmitter.
   59 
   60         properties:
   61           endpoint:
   62             $ref: video-interfaces.yaml#
   63             unevaluatedProperties: false
   64 
   65             properties:
   66               clock-lanes:
   67                 maxItems: 1
   68 
   69               data-lanes:
   70                 minItems: 1
   71                 maxItems: 4
   72                 items:
   73                   maximum: 4
   74 
   75             required:
   76               - clock-lanes
   77               - data-lanes
   78 
   79       port@1:
   80         $ref: /schemas/graph.yaml#/properties/port
   81         description:
   82           Output port node, multiple endpoints describing all the R-Car VIN
   83           modules connected the CSI-2 receiver.
   84 
   85     required:
   86       - port@0
   87       - port@1
   88 
   89 required:
   90   - compatible
   91   - reg
   92   - interrupts
   93   - clocks
   94   - power-domains
   95   - resets
   96   - ports
   97 
   98 additionalProperties: false
   99 
  100 examples:
  101   - |
  102     #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
  103     #include <dt-bindings/interrupt-controller/arm-gic.h>
  104     #include <dt-bindings/power/r8a7796-sysc.h>
  105 
  106     csi20: csi2@fea80000 {
  107             compatible = "renesas,r8a7796-csi2";
  108             reg = <0xfea80000 0x10000>;
  109             interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
  110             clocks = <&cpg CPG_MOD 714>;
  111             power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
  112             resets = <&cpg 714>;
  113 
  114             ports {
  115                     #address-cells = <1>;
  116                     #size-cells = <0>;
  117 
  118                     port@0 {
  119                             reg = <0>;
  120 
  121                             csi20_in: endpoint {
  122                                     clock-lanes = <0>;
  123                                     data-lanes = <1>;
  124                                     remote-endpoint = <&adv7482_txb>;
  125                             };
  126                     };
  127 
  128                     port@1 {
  129                             #address-cells = <1>;
  130                             #size-cells = <0>;
  131 
  132                             reg = <1>;
  133 
  134                             csi20vin0: endpoint@0 {
  135                                     reg = <0>;
  136                                     remote-endpoint = <&vin0csi20>;
  137                             };
  138                             csi20vin1: endpoint@1 {
  139                                     reg = <1>;
  140                                     remote-endpoint = <&vin1csi20>;
  141                             };
  142                             csi20vin2: endpoint@2 {
  143                                     reg = <2>;
  144                                     remote-endpoint = <&vin2csi20>;
  145                             };
  146                             csi20vin3: endpoint@3 {
  147                                     reg = <3>;
  148                                     remote-endpoint = <&vin3csi20>;
  149                             };
  150                             csi20vin4: endpoint@4 {
  151                                     reg = <4>;
  152                                     remote-endpoint = <&vin4csi20>;
  153                             };
  154                             csi20vin5: endpoint@5 {
  155                                     reg = <5>;
  156                                     remote-endpoint = <&vin5csi20>;
  157                             };
  158                             csi20vin6: endpoint@6 {
  159                                     reg = <6>;
  160                                     remote-endpoint = <&vin6csi20>;
  161                             };
  162                             csi20vin7: endpoint@7 {
  163                                     reg = <7>;
  164                                     remote-endpoint = <&vin7csi20>;
  165                             };
  166                     };
  167             };
  168     };

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