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
  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     };