xref: /linux/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml (revision cf36ae3e5802716617b9e4d902a31048240396b0) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-mipi-csi2.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A31 MIPI CSI-2 Device Tree Bindings
8
9maintainers:
10  - Paul Kocialkowski <paul.kocialkowski@bootlin.com>
11
12properties:
13  compatible:
14    oneOf:
15      - const: allwinner,sun6i-a31-mipi-csi2
16      - items:
17          - const: allwinner,sun8i-v3s-mipi-csi2
18          - const: allwinner,sun6i-a31-mipi-csi2
19
20  reg:
21    maxItems: 1
22
23  interrupts:
24    maxItems: 1
25
26  clocks:
27    items:
28      - description: Bus Clock
29      - description: Module Clock
30
31  clock-names:
32    items:
33      - const: bus
34      - const: mod
35
36  phys:
37    maxItems: 1
38    description: MIPI D-PHY
39
40  phy-names:
41    items:
42      - const: dphy
43
44  resets:
45    maxItems: 1
46
47  ports:
48    $ref: /schemas/graph.yaml#/properties/ports
49
50    properties:
51      port@0:
52        $ref: /schemas/graph.yaml#/$defs/port-base
53        description: Input port, connect to a MIPI CSI-2 sensor
54
55        properties:
56          reg:
57            const: 0
58
59          endpoint:
60            $ref: video-interfaces.yaml#
61            unevaluatedProperties: false
62
63            properties:
64              data-lanes:
65                minItems: 1
66                maxItems: 4
67
68            required:
69              - data-lanes
70
71        unevaluatedProperties: false
72
73      port@1:
74        $ref: /schemas/graph.yaml#/properties/port
75        description: Output port, connect to a CSI controller
76
77    required:
78      - port@0
79      - port@1
80
81required:
82  - compatible
83  - reg
84  - interrupts
85  - clocks
86  - clock-names
87  - phys
88  - phy-names
89  - resets
90  - ports
91
92additionalProperties: false
93
94examples:
95  - |
96    #include <dt-bindings/interrupt-controller/arm-gic.h>
97    #include <dt-bindings/clock/sun8i-v3s-ccu.h>
98    #include <dt-bindings/reset/sun8i-v3s-ccu.h>
99
100    mipi_csi2: csi@1cb1000 {
101        compatible = "allwinner,sun8i-v3s-mipi-csi2",
102                     "allwinner,sun6i-a31-mipi-csi2";
103        reg = <0x01cb1000 0x1000>;
104        interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
105        clocks = <&ccu CLK_BUS_CSI>,
106                 <&ccu CLK_CSI1_SCLK>;
107        clock-names = "bus", "mod";
108        resets = <&ccu RST_BUS_CSI>;
109
110        phys = <&dphy>;
111        phy-names = "dphy";
112
113        ports {
114            #address-cells = <1>;
115            #size-cells = <0>;
116
117            mipi_csi2_in: port@0 {
118                reg = <0>;
119
120                mipi_csi2_in_ov5648: endpoint {
121                    data-lanes = <1 2 3 4>;
122
123                    remote-endpoint = <&ov5648_out_mipi_csi2>;
124                };
125            };
126
127            mipi_csi2_out: port@1 {
128                reg = <1>;
129
130                mipi_csi2_out_csi0: endpoint {
131                    remote-endpoint = <&csi0_in_mipi_csi2>;
132                };
133            };
134        };
135    };
136
137...
138