xref: /linux/Documentation/devicetree/bindings/media/renesas,csi2.yaml (revision 48dea9a700c8728cc31a1dd44588b97578de86ee) 
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,r8a7795-csi2  # R-Car H3
26          - renesas,r8a7796-csi2  # R-Car M3-W
27          - renesas,r8a77965-csi2 # R-Car M3-N
28          - renesas,r8a77970-csi2 # R-Car V3M
29          - renesas,r8a77980-csi2 # R-Car V3H
30          - renesas,r8a77990-csi2 # R-Car E3
31
32  reg:
33    maxItems: 1
34
35  interrupts:
36    maxItems: 1
37
38  clocks:
39    maxItems: 1
40
41  power-domains:
42    maxItems: 1
43
44  resets:
45    maxItems: 1
46
47  ports:
48    type: object
49    description:
50      A node containing input and output port nodes with endpoint definitions
51      as documented in
52      Documentation/devicetree/bindings/media/video-interfaces.txt
53
54    properties:
55      port@0:
56        type: object
57        description:
58          Input port node, single endpoint describing the CSI-2 transmitter.
59
60        properties:
61          reg:
62            const: 0
63
64          endpoint:
65            type: object
66
67            properties:
68              clock-lanes:
69                maxItems: 1
70
71              data-lanes:
72                maxItems: 1
73
74              remote-endpoint: true
75
76            required:
77              - clock-lanes
78              - data-lanes
79              - remote-endpoint
80
81            additionalProperties: false
82
83        additionalProperties: false
84
85      port@1:
86        type: object
87        description:
88          Output port node, multiple endpoints describing all the R-Car VIN
89          modules connected the CSI-2 receiver.
90
91        properties:
92          '#address-cells':
93            const: 1
94
95          '#size-cells':
96            const: 0
97
98          reg:
99            const: 1
100
101        patternProperties:
102          "^endpoint@[0-9a-f]$":
103            type: object
104
105            properties:
106              reg:
107                maxItems: 1
108
109              remote-endpoint: true
110
111            required:
112              - reg
113              - remote-endpoint
114
115            additionalProperties: false
116
117        additionalProperties: false
118
119required:
120  - compatible
121  - reg
122  - interrupts
123  - clocks
124  - power-domains
125  - resets
126  - ports
127
128additionalProperties: false
129
130examples:
131  - |
132    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
133    #include <dt-bindings/interrupt-controller/arm-gic.h>
134    #include <dt-bindings/power/r8a7796-sysc.h>
135
136    csi20: csi2@fea80000 {
137            compatible = "renesas,r8a7796-csi2";
138            reg = <0xfea80000 0x10000>;
139            interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
140            clocks = <&cpg CPG_MOD 714>;
141            power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
142            resets = <&cpg 714>;
143
144            ports {
145                    #address-cells = <1>;
146                    #size-cells = <0>;
147
148                    port@0 {
149                            reg = <0>;
150
151                            csi20_in: endpoint {
152                                    clock-lanes = <0>;
153                                    data-lanes = <1>;
154                                    remote-endpoint = <&adv7482_txb>;
155                            };
156                    };
157
158                    port@1 {
159                            #address-cells = <1>;
160                            #size-cells = <0>;
161
162                            reg = <1>;
163
164                            csi20vin0: endpoint@0 {
165                                    reg = <0>;
166                                    remote-endpoint = <&vin0csi20>;
167                            };
168                            csi20vin1: endpoint@1 {
169                                    reg = <1>;
170                                    remote-endpoint = <&vin1csi20>;
171                            };
172                            csi20vin2: endpoint@2 {
173                                    reg = <2>;
174                                    remote-endpoint = <&vin2csi20>;
175                            };
176                            csi20vin3: endpoint@3 {
177                                    reg = <3>;
178                                    remote-endpoint = <&vin3csi20>;
179                            };
180                            csi20vin4: endpoint@4 {
181                                    reg = <4>;
182                                    remote-endpoint = <&vin4csi20>;
183                            };
184                            csi20vin5: endpoint@5 {
185                                    reg = <5>;
186                                    remote-endpoint = <&vin5csi20>;
187                            };
188                            csi20vin6: endpoint@6 {
189                                    reg = <6>;
190                                    remote-endpoint = <&vin6csi20>;
191                            };
192                            csi20vin7: endpoint@7 {
193                                    reg = <7>;
194                                    remote-endpoint = <&vin7csi20>;
195                            };
196                    };
197            };
198    };
199