Documentation/devicetree/bindings/media/renesas,csi2.yaml

   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           - renesas,r8a779g0-csi2 # R-Car V4H
  35
  36   reg:
  37     maxItems: 1
  38
  39   interrupts:
  40     maxItems: 1
  41
  42   clocks:
  43     maxItems: 1
  44
  45   power-domains:
  46     maxItems: 1
  47
  48   resets:
  49     maxItems: 1
  50
  51   ports:
  52     $ref: /schemas/graph.yaml#/properties/ports
  53
  54     properties:
  55       port@0:
  56         $ref: /schemas/graph.yaml#/$defs/port-base
  57         unevaluatedProperties: false
  58         description:
  59           Input port node, single endpoint describing the CSI-2 transmitter.
  60
  61         properties:
  62           endpoint:
  63             $ref: video-interfaces.yaml#
  64             unevaluatedProperties: false
  65
  66             properties:
  67               clock-lanes:
  68                 maxItems: 1
  69
  70               data-lanes:
  71                 minItems: 1
  72                 maxItems: 4
  73                 items:
  74                   maximum: 4
  75
  76             required:
  77               - clock-lanes
  78               - data-lanes
  79
  80       port@1:
  81         $ref: /schemas/graph.yaml#/properties/port
  82         description:
  83           Output port node, multiple endpoints describing all the R-Car VIN
  84           modules connected the CSI-2 receiver.
  85
  86     required:
  87       - port@0
  88       - port@1
  89
  90 required:
  91   - compatible
  92   - reg
  93   - interrupts
  94   - clocks
  95   - power-domains
  96   - resets
  97   - ports
  98
  99 additionalProperties: false
 100
 101 examples:
 102   - |
 103     #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
 104     #include <dt-bindings/interrupt-controller/arm-gic.h>
 105     #include <dt-bindings/power/r8a7796-sysc.h>
 106
 107     csi20: csi2@fea80000 {
 108             compatible = "renesas,r8a7796-csi2";
 109             reg = <0xfea80000 0x10000>;
 110             interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
 111             clocks = <&cpg CPG_MOD 714>;
 112             power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 113             resets = <&cpg 714>;
 114
 115             ports {
 116                     #address-cells = <1>;
 117                     #size-cells = <0>;
 118
 119                     port@0 {
 120                             reg = <0>;
 121
 122                             csi20_in: endpoint {
 123                                     clock-lanes = <0>;
 124                                     data-lanes = <1>;
 125                                     remote-endpoint = <&adv7482_txb>;
 126                             };
 127                     };
 128
 129                     port@1 {
 130                             #address-cells = <1>;
 131                             #size-cells = <0>;
 132
 133                             reg = <1>;
 134
 135                             csi20vin0: endpoint@0 {
 136                                     reg = <0>;
 137                                     remote-endpoint = <&vin0csi20>;
 138                             };
 139                             csi20vin1: endpoint@1 {
 140                                     reg = <1>;
 141                                     remote-endpoint = <&vin1csi20>;
 142                             };
 143                             csi20vin2: endpoint@2 {
 144                                     reg = <2>;
 145                                     remote-endpoint = <&vin2csi20>;
 146                             };
 147                             csi20vin3: endpoint@3 {
 148                                     reg = <3>;
 149                                     remote-endpoint = <&vin3csi20>;
 150                             };
 151                             csi20vin4: endpoint@4 {
 152                                     reg = <4>;
 153                                     remote-endpoint = <&vin4csi20>;
 154                             };
 155                             csi20vin5: endpoint@5 {
 156                                     reg = <5>;
 157                                     remote-endpoint = <&vin5csi20>;
 158                             };
 159                             csi20vin6: endpoint@6 {
 160                                     reg = <6>;
 161                                     remote-endpoint = <&vin6csi20>;
 162                             };
 163                             csi20vin7: endpoint@7 {
 164                                     reg = <7>;
 165                                     remote-endpoint = <&vin7csi20>;
 166                             };
 167                     };
 168             };
 169     };