xref: /linux/Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml (revision 55d0969c451159cff86949b38c39171cab962069) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# Copyright (C) 2022 Renesas Electronics Corp.
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/media/renesas,rzg2l-csi2.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Renesas RZ/G2L (and alike SoC's) MIPI CSI-2 receiver
9
10maintainers:
11  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
12
13description:
14  The CSI-2 receiver device provides MIPI CSI-2 capabilities for the Renesas RZ/G2L
15  (and alike SoCs). MIPI CSI-2 is part of the CRU block which is used in conjunction
16  with the Image Processing module, which provides the video capture capabilities.
17
18properties:
19  compatible:
20    items:
21      - enum:
22          - renesas,r9a07g043-csi2       # RZ/G2UL
23          - renesas,r9a07g044-csi2       # RZ/G2{L,LC}
24          - renesas,r9a07g054-csi2       # RZ/V2L
25      - const: renesas,rzg2l-csi2
26
27  reg:
28    maxItems: 1
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    items:
35      - description: Internal clock for connecting CRU and MIPI
36      - description: CRU Main clock
37      - description: CRU Register access clock
38
39  clock-names:
40    items:
41      - const: system
42      - const: video
43      - const: apb
44
45  power-domains:
46    maxItems: 1
47
48  resets:
49    items:
50      - description: CRU_PRESETN reset terminal
51      - description: CRU_CMN_RSTB reset terminal
52
53  reset-names:
54    items:
55      - const: presetn
56      - const: cmn-rstb
57
58  ports:
59    $ref: /schemas/graph.yaml#/properties/ports
60
61    properties:
62      port@0:
63        $ref: /schemas/graph.yaml#/$defs/port-base
64        unevaluatedProperties: false
65        description:
66          Input port node, single endpoint describing the CSI-2 transmitter.
67
68        properties:
69          endpoint:
70            $ref: video-interfaces.yaml#
71            unevaluatedProperties: false
72
73            properties:
74              data-lanes:
75                minItems: 1
76                maxItems: 4
77                items:
78                  maximum: 4
79
80            required:
81              - clock-lanes
82              - data-lanes
83
84      port@1:
85        $ref: /schemas/graph.yaml#/properties/port
86        description:
87          Output port node, Image Processing block connected to the CSI-2 receiver.
88
89    required:
90      - port@0
91      - port@1
92
93required:
94  - compatible
95  - reg
96  - interrupts
97  - clocks
98  - clock-names
99  - power-domains
100  - resets
101  - reset-names
102  - ports
103
104additionalProperties: false
105
106examples:
107  - |
108    #include <dt-bindings/clock/r9a07g044-cpg.h>
109    #include <dt-bindings/interrupt-controller/arm-gic.h>
110
111    csi: csi@10830400 {
112        compatible = "renesas,r9a07g044-csi2", "renesas,rzg2l-csi2";
113        reg = <0x10830400 0xfc00>;
114        interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
115        clocks = <&cpg CPG_MOD R9A07G044_CRU_SYSCLK>,
116                 <&cpg CPG_MOD R9A07G044_CRU_VCLK>,
117                 <&cpg CPG_MOD R9A07G044_CRU_PCLK>;
118        clock-names = "system", "video", "apb";
119        power-domains = <&cpg>;
120        resets = <&cpg R9A07G044_CRU_PRESETN>,
121                 <&cpg R9A07G044_CRU_CMN_RSTB>;
122        reset-names = "presetn", "cmn-rstb";
123
124        ports {
125            #address-cells = <1>;
126            #size-cells = <0>;
127
128            port@0 {
129                reg = <0>;
130
131                csi2_in: endpoint {
132                    clock-lanes = <0>;
133                    data-lanes = <1 2>;
134                    remote-endpoint = <&ov5645_ep>;
135                };
136            };
137
138            port@1 {
139                #address-cells = <1>;
140                #size-cells = <0>;
141
142                reg = <1>;
143
144                csi2cru: endpoint@0 {
145                    reg = <0>;
146                    remote-endpoint = <&crucsi2>;
147                };
148            };
149        };
150    };
151