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
  8title: Renesas R-Car MIPI CSI-2 receiver
  9
 10maintainers:
 11  - Niklas Söderlund <niklas.soderlund@ragnatech.se>
 12
 13description:
 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
 18properties:
 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          - renesas,r8a779h0-csi2 # R-Car V4M
 36
 37  reg:
 38    maxItems: 1
 39
 40  interrupts:
 41    maxItems: 1
 42
 43  clocks:
 44    maxItems: 1
 45
 46  power-domains:
 47    maxItems: 1
 48
 49  resets:
 50    maxItems: 1
 51
 52  ports:
 53    $ref: /schemas/graph.yaml#/properties/ports
 54
 55    properties:
 56      port@0:
 57        $ref: /schemas/graph.yaml#/$defs/port-base
 58        unevaluatedProperties: false
 59        description:
 60          Input port node, single endpoint describing the CSI-2 transmitter.
 61
 62        properties:
 63          endpoint:
 64            $ref: video-interfaces.yaml#
 65            unevaluatedProperties: false
 66
 67            properties:
 68              clock-lanes:
 69                maxItems: 1
 70
 71              data-lanes:
 72                minItems: 1
 73                maxItems: 4
 74                items:
 75                  maximum: 4
 76
 77            required:
 78              - clock-lanes
 79              - data-lanes
 80
 81      port@1:
 82        $ref: /schemas/graph.yaml#/properties/port
 83        description:
 84          Output port node, multiple endpoints describing all the R-Car VIN
 85          modules connected the CSI-2 receiver.
 86
 87    required:
 88      - port@0
 89      - port@1
 90
 91required:
 92  - compatible
 93  - reg
 94  - interrupts
 95  - clocks
 96  - power-domains
 97  - resets
 98  - ports
 99
100additionalProperties: false
101
102examples:
103  - |
104    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
105    #include <dt-bindings/interrupt-controller/arm-gic.h>
106    #include <dt-bindings/power/r8a7796-sysc.h>
107
108    csi20: csi2@fea80000 {
109            compatible = "renesas,r8a7796-csi2";
110            reg = <0xfea80000 0x10000>;
111            interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
112            clocks = <&cpg CPG_MOD 714>;
113            power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
114            resets = <&cpg 714>;
115
116            ports {
117                    #address-cells = <1>;
118                    #size-cells = <0>;
119
120                    port@0 {
121                            reg = <0>;
122
123                            csi20_in: endpoint {
124                                    clock-lanes = <0>;
125                                    data-lanes = <1>;
126                                    remote-endpoint = <&adv7482_txb>;
127                            };
128                    };
129
130                    port@1 {
131                            #address-cells = <1>;
132                            #size-cells = <0>;
133
134                            reg = <1>;
135
136                            csi20vin0: endpoint@0 {
137                                    reg = <0>;
138                                    remote-endpoint = <&vin0csi20>;
139                            };
140                            csi20vin1: endpoint@1 {
141                                    reg = <1>;
142                                    remote-endpoint = <&vin1csi20>;
143                            };
144                            csi20vin2: endpoint@2 {
145                                    reg = <2>;
146                                    remote-endpoint = <&vin2csi20>;
147                            };
148                            csi20vin3: endpoint@3 {
149                                    reg = <3>;
150                                    remote-endpoint = <&vin3csi20>;
151                            };
152                            csi20vin4: endpoint@4 {
153                                    reg = <4>;
154                                    remote-endpoint = <&vin4csi20>;
155                            };
156                            csi20vin5: endpoint@5 {
157                                    reg = <5>;
158                                    remote-endpoint = <&vin5csi20>;
159                            };
160                            csi20vin6: endpoint@6 {
161                                    reg = <6>;
162                                    remote-endpoint = <&vin6csi20>;
163                            };
164                            csi20vin7: endpoint@7 {
165                                    reg = <7>;
166                                    remote-endpoint = <&vin7csi20>;
167                            };
168                    };
169            };
170    };