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: 12 Required Endpoint Properties:
13 - hsync-active: active state of the HSYNC sign 13 - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
14 - vsync-active: active state of the VSYNC sign 14 - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
15 15
16 Optional Properties: 16 Optional Properties:
17 - reset-gpios: reference to the GPIO connected 17 - reset-gpios: reference to the GPIO connected to the resetb pin, if any.
18 Active is low. 18 Active is low.
19 - powerdown-gpios: reference to the GPIO conne 19 - powerdown-gpios: reference to the GPIO connected to the pwdn pin, if any.
20 Active is high. 20 Active is high.
21 - ov7670,pclk-hb-disable: a boolean property t 21 - ov7670,pclk-hb-disable: a boolean property to suppress pixel clock output
22 signal during horizontal blankings. 22 signal during horizontal blankings.
23 23
24 The device node must contain one 'port' child 24 The device node must contain one 'port' child node with one 'endpoint' child
25 sub-node for its digital output video port, in 25 sub-node for its digital output video port, in accordance with the video
26 interface bindings defined in: 26 interface bindings defined in:
27 Documentation/devicetree/bindings/media/video- 27 Documentation/devicetree/bindings/media/video-interfaces.txt.
28 28
29 Example: 29 Example:
30 30
31 i2c1: i2c@f0018000 { 31 i2c1: i2c@f0018000 {
32 ov7670: camera@21 { 32 ov7670: camera@21 {
33 compatible = "ovti,ov7 33 compatible = "ovti,ov7670";
34 reg = <0x21>; 34 reg = <0x21>;
35 pinctrl-names = "defau 35 pinctrl-names = "default";
36 pinctrl-0 = <&pinctrl_ 36 pinctrl-0 = <&pinctrl_pck0_as_isi_mck &pinctrl_sensor_power &pinctrl_sensor_reset>;
37 reset-gpios = <&pioE 1 37 reset-gpios = <&pioE 11 GPIO_ACTIVE_LOW>;
38 powerdown-gpios = <&pi 38 powerdown-gpios = <&pioE 13 GPIO_ACTIVE_HIGH>;
39 clocks = <&pck0>; 39 clocks = <&pck0>;
40 clock-names = "xclk"; 40 clock-names = "xclk";
41 assigned-clocks = <&pc 41 assigned-clocks = <&pck0>;
42 assigned-clock-rates = 42 assigned-clock-rates = <25000000>;
43 43
44 ov7670,pclk-hb-disable 44 ov7670,pclk-hb-disable;
45 45
46 port { 46 port {
47 ov7670_0: endp 47 ov7670_0: endpoint {
48 hsync- 48 hsync-active = <0>;
49 vsync- 49 vsync-active = <0>;
50 50
51 remote 51 remote-endpoint = <&isi_0>;
52 }; 52 };
53 }; 53 };
54 }; 54 };
55 }; 55 };
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