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,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    type: object
50    description:
51      A node containing input and output port nodes with endpoint definitions
52      as documented in
53      Documentation/devicetree/bindings/media/video-interfaces.txt
54
55    properties:
56      port@0:
57        type: object
58        description:
59          Input port node, single endpoint describing the CSI-2 transmitter.
60
61        properties:
62          reg:
63            const: 0
64
65          endpoint:
66            type: object
67
68            properties:
69              clock-lanes:
70                maxItems: 1
71
72              data-lanes:
73                maxItems: 1
74
75              remote-endpoint: true
76
77            required:
78              - clock-lanes
79              - data-lanes
80              - remote-endpoint
81
82            additionalProperties: false
83
84        additionalProperties: false
85
86      port@1:
87        type: object
88        description:
89          Output port node, multiple endpoints describing all the R-Car VIN
90          modules connected the CSI-2 receiver.
91
92        properties:
93          '#address-cells':
94            const: 1
95
96          '#size-cells':
97            const: 0
98
99          reg:
100            const: 1
101
102        patternProperties:
103          "^endpoint@[0-9a-f]$":
104            type: object
105
106            properties:
107              reg:
108                maxItems: 1
109
110              remote-endpoint: true
111
112            required:
113              - reg
114              - remote-endpoint
115
116            additionalProperties: false
117
118        additionalProperties: false
119
120required:
121  - compatible
122  - reg
123  - interrupts
124  - clocks
125  - power-domains
126  - resets
127  - ports
128
129additionalProperties: false
130
131examples:
132  - |
133    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
134    #include <dt-bindings/interrupt-controller/arm-gic.h>
135    #include <dt-bindings/power/r8a7796-sysc.h>
136
137    csi20: csi2@fea80000 {
138            compatible = "renesas,r8a7796-csi2";
139            reg = <0xfea80000 0x10000>;
140            interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
141            clocks = <&cpg CPG_MOD 714>;
142            power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
143            resets = <&cpg 714>;
144
145            ports {
146                    #address-cells = <1>;
147                    #size-cells = <0>;
148
149                    port@0 {
150                            reg = <0>;
151
152                            csi20_in: endpoint {
153                                    clock-lanes = <0>;
154                                    data-lanes = <1>;
155                                    remote-endpoint = <&adv7482_txb>;
156                            };
157                    };
158
159                    port@1 {
160                            #address-cells = <1>;
161                            #size-cells = <0>;
162
163                            reg = <1>;
164
165                            csi20vin0: endpoint@0 {
166                                    reg = <0>;
167                                    remote-endpoint = <&vin0csi20>;
168                            };
169                            csi20vin1: endpoint@1 {
170                                    reg = <1>;
171                                    remote-endpoint = <&vin1csi20>;
172                            };
173                            csi20vin2: endpoint@2 {
174                                    reg = <2>;
175                                    remote-endpoint = <&vin2csi20>;
176                            };
177                            csi20vin3: endpoint@3 {
178                                    reg = <3>;
179                                    remote-endpoint = <&vin3csi20>;
180                            };
181                            csi20vin4: endpoint@4 {
182                                    reg = <4>;
183                                    remote-endpoint = <&vin4csi20>;
184                            };
185                            csi20vin5: endpoint@5 {
186                                    reg = <5>;
187                                    remote-endpoint = <&vin5csi20>;
188                            };
189                            csi20vin6: endpoint@6 {
190                                    reg = <6>;
191                                    remote-endpoint = <&vin6csi20>;
192                            };
193                            csi20vin7: endpoint@7 {
194                                    reg = <7>;
195                                    remote-endpoint = <&vin7csi20>;
196                            };
197                    };
198            };
199    };
200