1 * Omnivision OV7670 CMOS sensor 1 * Omnivision OV7670 CMOS sensor
2 2
3 The Omnivision OV7670 sensor supports multiple 3 The Omnivision OV7670 sensor supports multiple resolutions output, such as
4 CIF, SVGA, UXGA. It also can support the YUV42 4 CIF, SVGA, UXGA. It also can support the YUV422/420, RGB565/555 or raw RGB
5 output formats. 5 output formats.
6 6
7 Required Properties: 7 Required Properties:
8 - compatible: should be "ovti,ov7670" 8 - compatible: should be "ovti,ov7670"
9 - clocks: reference to the xclk input clock. 9 - clocks: reference to the xclk input clock.
10 - clock-names: should be "xclk". 10 - clock-names: should be "xclk".
11 11
12 Required Endpoint Properties: <<
13 - hsync-active: active state of the HSYNC sign <<
14 - vsync-active: active state of the VSYNC sign <<
15 <<
16 Optional Properties: 12 Optional Properties:
17 - reset-gpios: reference to the GPIO connected 13 - reset-gpios: reference to the GPIO connected to the resetb pin, if any.
18 Active is low. 14 Active is low.
19 - powerdown-gpios: reference to the GPIO conne 15 - powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
20 Active is high. 16 Active is high.
21 - ov7670,pclk-hb-disable: a boolean property t <<
22 signal during horizontal blankings. <<
23 17
24 The device node must contain one 'port' child !! 18 The device node must contain one 'port' child node for its digital output
25 sub-node for its digital output video port, in !! 19 video port, in accordance with the video interface bindings defined in
26 interface bindings defined in: <<
27 Documentation/devicetree/bindings/media/video- 20 Documentation/devicetree/bindings/media/video-interfaces.txt.
28 21
29 Example: 22 Example:
30 23
31 i2c1: i2c@f0018000 { 24 i2c1: i2c@f0018000 {
32 ov7670: camera@21 { 25 ov7670: camera@21 {
33 compatible = "ovti,ov7 26 compatible = "ovti,ov7670";
34 reg = <0x21>; 27 reg = <0x21>;
35 pinctrl-names = "defau 28 pinctrl-names = "default";
36 pinctrl-0 = <&pinctrl_ 29 pinctrl-0 = <&pinctrl_pck0_as_isi_mck &pinctrl_sensor_power &pinctrl_sensor_reset>;
37 reset-gpios = <&pioE 1 30 reset-gpios = <&pioE 11 GPIO_ACTIVE_LOW>;
38 powerdown-gpios = <&pi 31 powerdown-gpios = <&pioE 13 GPIO_ACTIVE_HIGH>;
39 clocks = <&pck0>; 32 clocks = <&pck0>;
40 clock-names = "xclk"; 33 clock-names = "xclk";
41 assigned-clocks = <&pc 34 assigned-clocks = <&pck0>;
42 assigned-clock-rates = 35 assigned-clock-rates = <25000000>;
43 36
44 ov7670,pclk-hb-disable <<
45 <<
46 port { 37 port {
47 ov7670_0: endp 38 ov7670_0: endpoint {
48 hsync- <<
49 vsync- <<
50 <<
51 remote 39 remote-endpoint = <&isi_0>;
52 }; 40 };
53 }; 41 };
54 }; 42 };
55 }; 43 };
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