1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/ovti,ov772x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Omnivision OV7720/OV7725 CMOS sensor
8
9 maintainers:
10 - Jacopo Mondi <jacopo@jmondi.org>
11
12 description: |
13 The Omnivision OV7720/OV7725 sensor supports multiple resolutions output,
14 such as VGA, QVGA, and any size scaling down from CIF to 40x30. It also can
15 support the YUV422, RGB565/555/444, GRB422 or raw RGB output formats.
16
17 properties:
18 compatible:
19 enum:
20 - ovti,ov7720
21 - ovti,ov7725
22
23 reg:
24 maxItems: 1
25
26 clocks:
27 maxItems: 1
28
29 reset-gpios:
30 description: |
31 Reference to the GPIO connected to the RSTB pin which is active low.
32 maxItems: 1
33
34 powerdown-gpios:
35 description: |
36 Reference to the GPIO connected to the PWDN pin which is active high.
37 maxItems: 1
38
39 port:
40 $ref: /schemas/graph.yaml#/$defs/port-base
41 description: |
42 Video output port.
43
44 properties:
45 endpoint:
46 $ref: /schemas/media/video-interfaces.yaml#
47 unevaluatedProperties: false
48
49 properties:
50 bus-type:
51 enum: [5, 6]
52
53 bus-width:
54 enum: [8, 10]
55 default: 10
56
57 data-shift:
58 enum: [0, 2]
59 default: 0
60
61 hsync-active:
62 enum: [0, 1]
63 default: 1
64
65 vsync-active:
66 enum: [0, 1]
67 default: 1
68
69 pclk-sample:
70 enum: [0, 1]
71 default: 1
72
73 allOf:
74 - if:
75 properties:
76 bus-type:
77 const: 6
78 then:
79 properties:
80 hsync-active: false
81 vsync-active: false
82
83 - if:
84 properties:
85 bus-width:
86 const: 10
87 then:
88 properties:
89 data-shift:
90 const: 0
91
92 required:
93 - bus-type
94
95 additionalProperties: false
96
97 required:
98 - compatible
99 - reg
100 - clocks
101 - port
102
103 additionalProperties: false
104
105 examples:
106 - |
107 #include <dt-bindings/gpio/gpio.h>
108 #include <dt-bindings/media/video-interfaces.h>
109
110 i2c {
111 #address-cells = <1>;
112 #size-cells = <0>;
113 ov772x: camera@21 {
114 compatible = "ovti,ov7725";
115 reg = <0x21>;
116 reset-gpios = <&axi_gpio_0 0 GPIO_ACTIVE_LOW>;
117 powerdown-gpios = <&axi_gpio_0 1 GPIO_ACTIVE_LOW>;
118 clocks = <&xclk>;
119
120 port {
121 ov772x_0: endpoint {
122 bus-type = <MEDIA_BUS_TYPE_PARALLEL>;
123 vsync-active = <0>;
124 hsync-active = <0>;
125 pclk-sample = <0>;
126 bus-width = <8>;
127 data-shift = <0>;
128 remote-endpoint = <&vcap1_in0>;
129 };
130 };
131 };
132 };
133
134 ...
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