ov5640.txt

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    1 * Omnivision OV5640 MIPI CSI-2 / parallel sensor
    2 
    3 Required Properties:
    4 - compatible: should be "ovti,ov5640"
    5 - clocks: reference to the xclk input clock.
    6 - clock-names: should be "xclk".
    7 - DOVDD-supply: Digital I/O voltage supply, 1.8 volts
    8 - AVDD-supply: Analog voltage supply, 2.8 volts
    9 - DVDD-supply: Digital core voltage supply, 1.5 volts
   10 
   11 Optional Properties:
   12 - reset-gpios: reference to the GPIO connected to the reset pin, if any.
   13                This is an active low signal to the OV5640.
   14 - powerdown-gpios: reference to the GPIO connected to the powerdown pin,
   15                    if any. This is an active high signal to the OV5640.
   16 - rotation: as defined in
   17             Documentation/devicetree/bindings/media/video-interfaces.txt,
   18             valid values are 0 (sensor mounted upright) and 180 (sensor
   19             mounted upside down).
   20 
   21 The device node must contain one 'port' child node for its digital output
   22 video port, in accordance with the video interface bindings defined in
   23 Documentation/devicetree/bindings/media/video-interfaces.txt.
   24 
   25 OV5640 can be connected to a MIPI CSI-2 bus or a parallel bus endpoint.
   26 
   27 Endpoint node required properties for CSI-2 connection are:
   28 - remote-endpoint: a phandle to the bus receiver's endpoint node.
   29 - clock-lanes: should be set to <0> (clock lane on hardware lane 0)
   30 - data-lanes: should be set to <1> or <1 2> (one or two CSI-2 lanes supported)
   31 
   32 Endpoint node required properties for parallel connection are:
   33 - remote-endpoint: a phandle to the bus receiver's endpoint node.
   34 - bus-width: shall be set to <8> for 8 bits parallel bus
   35              or <10> for 10 bits parallel bus
   36 - data-shift: shall be set to <2> for 8 bits parallel bus
   37               (lines 9:2 are used) or <0> for 10 bits parallel bus
   38 - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
   39 - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
   40 - pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
   41                signal.
   42 
   43 Examples:
   44 
   45 &i2c1 {
   46         ov5640: camera@3c {
   47                 compatible = "ovti,ov5640";
   48                 pinctrl-names = "default";
   49                 pinctrl-0 = <&pinctrl_ov5640>;
   50                 reg = <0x3c>;
   51                 clocks = <&clks IMX6QDL_CLK_CKO>;
   52                 clock-names = "xclk";
   53                 DOVDD-supply = <&vgen4_reg>; /* 1.8v */
   54                 AVDD-supply = <&vgen3_reg>;  /* 2.8v */
   55                 DVDD-supply = <&vgen2_reg>;  /* 1.5v */
   56                 powerdown-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>;
   57                 reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
   58                 rotation = <180>;
   59 
   60                 port {
   61                         /* MIPI CSI-2 bus endpoint */
   62                         ov5640_to_mipi_csi2: endpoint {
   63                                 remote-endpoint = <&mipi_csi2_from_ov5640>;
   64                                 clock-lanes = <0>;
   65                                 data-lanes = <1 2>;
   66                         };
   67                 };
   68         };
   69 };
   70 
   71 &i2c1 {
   72         ov5640: camera@3c {
   73                 compatible = "ovti,ov5640";
   74                 pinctrl-names = "default";
   75                 pinctrl-0 = <&pinctrl_ov5640>;
   76                 reg = <0x3c>;
   77                 clocks = <&clk_ext_camera>;
   78                 clock-names = "xclk";
   79 
   80                 port {
   81                         /* Parallel bus endpoint */
   82                         ov5640_to_parallel: endpoint {
   83                                 remote-endpoint = <&parallel_from_ov5640>;
   84                                 bus-width = <8>;
   85                                 data-shift = <2>; /* lines 9:2 are used */
   86                                 hsync-active = <0>;
   87                                 vsync-active = <0>;
   88                                 pclk-sample = <1>;
   89                         };
   90                 };
   91         };
   92 };

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