xref: /linux/Documentation/devicetree/bindings/media/cdns,csi2rx.yaml (revision 9536cc9492354a4dd8262aa2857a603ec3a0c77a) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/cdns,csi2rx.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Cadence MIPI-CSI2 RX controller
8
9maintainers:
10  - Maxime Ripard <mripard@kernel.org>
11
12description:
13  The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI
14  lanes in input, and 4 different pixel streams in output.
15
16properties:
17  compatible:
18    items:
19      - enum:
20          - starfive,jh7110-csi2rx
21      - const: cdns,csi2rx
22
23  reg:
24    maxItems: 1
25
26  clocks:
27    items:
28      - description: CSI2Rx system clock
29      - description: Gated Register bank clock for APB interface
30      - description: pixel Clock for Stream interface 0
31      - description: pixel Clock for Stream interface 1
32      - description: pixel Clock for Stream interface 2
33      - description: pixel Clock for Stream interface 3
34
35  clock-names:
36    items:
37      - const: sys_clk
38      - const: p_clk
39      - const: pixel_if0_clk
40      - const: pixel_if1_clk
41      - const: pixel_if2_clk
42      - const: pixel_if3_clk
43
44  phys:
45    maxItems: 1
46    description: MIPI D-PHY
47
48  phy-names:
49    items:
50      - const: dphy
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              bus-type:
69                const: 4
70
71              clock-lanes:
72                const: 0
73
74              data-lanes:
75                minItems: 1
76                maxItems: 4
77                items:
78                  maximum: 4
79
80            required:
81              - data-lanes
82
83      port@1:
84        $ref: /schemas/graph.yaml#/properties/port
85        description:
86          Stream 0 Output port node
87
88      port@2:
89        $ref: /schemas/graph.yaml#/properties/port
90        description:
91          Stream 1 Output port node
92
93      port@3:
94        $ref: /schemas/graph.yaml#/properties/port
95        description:
96          Stream 2 Output port node
97
98      port@4:
99        $ref: /schemas/graph.yaml#/properties/port
100        description:
101          Stream 3 Output port node
102
103    required:
104      - port@0
105
106required:
107  - compatible
108  - reg
109  - clocks
110  - clock-names
111  - ports
112
113additionalProperties: false
114
115examples:
116  - |
117    csi@d060000 {
118        compatible = "starfive,jh7110-csi2rx", "cdns,csi2rx";
119        reg = <0x0d060000 0x1000>;
120        clocks = <&byteclock 7>, <&byteclock 6>,
121                 <&coreclock 8>, <&coreclock 9>,
122                 <&coreclock 10>, <&coreclock 11>;
123        clock-names = "sys_clk", "p_clk",
124                      "pixel_if0_clk", "pixel_if1_clk",
125                      "pixel_if2_clk", "pixel_if3_clk";
126        phys = <&csi_phy>;
127        phy-names = "dphy";
128
129        ports {
130                #address-cells = <1>;
131                #size-cells = <0>;
132
133                port@0 {
134                    reg = <0>;
135
136                    csi2rx_in_sensor: endpoint {
137                        remote-endpoint = <&sensor_out_csi2rx>;
138                        clock-lanes = <0>;
139                        data-lanes = <1 2>;
140                    };
141                };
142
143                port@1 {
144                    reg = <1>;
145
146                    csi2rx_out_grabber0: endpoint {
147                        remote-endpoint = <&grabber0_in_csi2rx>;
148                    };
149                };
150
151                port@2 {
152                    reg = <2>;
153
154                    csi2rx_out_grabber1: endpoint {
155                        remote-endpoint = <&grabber1_in_csi2rx>;
156                    };
157                };
158
159                port@3 {
160                    reg = <3>;
161
162                    csi2rx_out_grabber2: endpoint {
163                        remote-endpoint = <&grabber2_in_csi2rx>;
164                    };
165                };
166
167                port@4 {
168                    reg = <4>;
169
170                    csi2rx_out_grabber3: endpoint {
171                        remote-endpoint = <&grabber3_in_csi2rx>;
172                    };
173                };
174        };
175    };
176
177...
178