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,r8a77965-csi2 # R-Car M3-N
  29           - renesas,r8a77970-csi2 # R-Car V3M
  30           - renesas,r8a77980-csi2 # R-Car V3H
  31           - renesas,r8a77990-csi2 # R-Car E3
  32
  33   reg:
  34     maxItems: 1
  35
  36   interrupts:
  37     maxItems: 1
  38
  39   clocks:
  40     maxItems: 1
  41
  42   power-domains:
  43     maxItems: 1
  44
  45   resets:
  46     maxItems: 1
  47
  48   ports:
  49     $ref: /schemas/graph.yaml#/properties/ports
  50
  51     properties:
  52       port@0:
  53         $ref: /schemas/graph.yaml#/$defs/port-base
  54         unevaluatedProperties: false
  55         description:
  56           Input port node, single endpoint describing the CSI-2 transmitter.
  57
  58         properties:
  59           endpoint:
  60             $ref: video-interfaces.yaml#
  61             unevaluatedProperties: false
  62
  63             properties:
  64               clock-lanes:
  65                 maxItems: 1
  66
  67               data-lanes:
  68                 maxItems: 1
  69
  70             required:
  71               - clock-lanes
  72               - data-lanes
  73
  74       port@1:
  75         $ref: /schemas/graph.yaml#/properties/port
  76         description:
  77           Output port node, multiple endpoints describing all the R-Car VIN
  78           modules connected the CSI-2 receiver.
  79
  80     required:
  81       - port@0
  82       - port@1
  83
  84 required:
  85   - compatible
  86   - reg
  87   - interrupts
  88   - clocks
  89   - power-domains
  90   - resets
  91   - ports
  92
  93 additionalProperties: false
  94
  95 examples:
  96   - |
  97     #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
  98     #include <dt-bindings/interrupt-controller/arm-gic.h>
  99     #include <dt-bindings/power/r8a7796-sysc.h>
 100
 101     csi20: csi2@fea80000 {
 102             compatible = "renesas,r8a7796-csi2";
 103             reg = <0xfea80000 0x10000>;
 104             interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
 105             clocks = <&cpg CPG_MOD 714>;
 106             power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 107             resets = <&cpg 714>;
 108
 109             ports {
 110                     #address-cells = <1>;
 111                     #size-cells = <0>;
 112
 113                     port@0 {
 114                             reg = <0>;
 115
 116                             csi20_in: endpoint {
 117                                     clock-lanes = <0>;
 118                                     data-lanes = <1>;
 119                                     remote-endpoint = <&adv7482_txb>;
 120                             };
 121                     };
 122
 123                     port@1 {
 124                             #address-cells = <1>;
 125                             #size-cells = <0>;
 126
 127                             reg = <1>;
 128
 129                             csi20vin0: endpoint@0 {
 130                                     reg = <0>;
 131                                     remote-endpoint = <&vin0csi20>;
 132                             };
 133                             csi20vin1: endpoint@1 {
 134                                     reg = <1>;
 135                                     remote-endpoint = <&vin1csi20>;
 136                             };
 137                             csi20vin2: endpoint@2 {
 138                                     reg = <2>;
 139                                     remote-endpoint = <&vin2csi20>;
 140                             };
 141                             csi20vin3: endpoint@3 {
 142                                     reg = <3>;
 143                                     remote-endpoint = <&vin3csi20>;
 144                             };
 145                             csi20vin4: endpoint@4 {
 146                                     reg = <4>;
 147                                     remote-endpoint = <&vin4csi20>;
 148                             };
 149                             csi20vin5: endpoint@5 {
 150                                     reg = <5>;
 151                                     remote-endpoint = <&vin5csi20>;
 152                             };
 153                             csi20vin6: endpoint@6 {
 154                                     reg = <6>;
 155                                     remote-endpoint = <&vin6csi20>;
 156                             };
 157                             csi20vin7: endpoint@7 {
 158                                     reg = <7>;
 159                                     remote-endpoint = <&vin7csi20>;
 160                             };
 161                     };
 162             };
 163     };