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,ov7251.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: OmniVision OV7251 Image Sensor
8
9 description:
10 The Omnivision OV7251 is a 1/7.5-Inch CMOS active pixel digital image sensor
11 with an active array size of 640H x 480V. It is programmable through a serial
12 I2C interface.
13
14 maintainers:
15 - Todor Tomov <todor.too@gmail.com>
16
17 properties:
18 compatible:
19 const: ovti,ov7251
20
21 reg:
22 maxItems: 1
23
24 clocks:
25 description: XCLK Input Clock
26
27 clock-names:
28 const: xclk
29
30 clock-frequency:
31 description: Frequency of the xclk clock in Hz.
32
33 vdda-supply:
34 description: Analog voltage supply, 2.8 volts
35
36 vddd-supply:
37 description: Digital core voltage supply, 1.2 volts
38
39 vdddo-supply:
40 description: Digital I/O voltage supply, 1.8 volts
41
42 enable-gpios:
43 maxItems: 1
44 description:
45 Reference to the GPIO connected to the XSHUTDOWN pin, if any. Polarity
46 is GPIO_ACTIVE_HIGH.
47
48 port:
49 description: Digital Output Port
50 $ref: /schemas/graph.yaml#/$defs/port-base
51 additionalProperties: false
52
53 properties:
54 endpoint:
55 $ref: /schemas/media/video-interfaces.yaml#
56 unevaluatedProperties: false
57
58 properties:
59 clock-lanes:
60 maximum: 1
61
62 data-lanes:
63 maxItems: 1
64
65 link-frequencies: true
66
67 required:
68 - data-lanes
69 - link-frequencies
70
71 required:
72 - compatible
73 - reg
74 - clocks
75 - vdddo-supply
76 - vdda-supply
77 - port
78
79 additionalProperties: false
80
81 examples:
82 - |
83 #include <dt-bindings/gpio/gpio.h>
84
85 i2c {
86 #address-cells = <1>;
87 #size-cells = <0>;
88
89 camera@3c {
90 compatible = "ovti,ov7251";
91 reg = <0x3c>;
92 clocks = <&clks 1>;
93 clock-frequency = <24000000>;
94 vdddo-supply = <&ov7251_vdddo_1v8>;
95 vdda-supply = <&ov7251_vdda_2v8>;
96 vddd-supply = <&ov7251_vddd_1v5>;
97 enable-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>;
98
99 port {
100 ov7251_ep: endpoint {
101 remote-endpoint = <&csi0_ep>;
102 clock-lanes = <1>;
103 data-lanes = <0>;
104 link-frequencies = /bits/ 64 <240000000 319200000>;
105 };
106 };
107 };
108 };
109 ...
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