FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/media/i2c/st,st-mipid02.txt

     STMicroelectronics MIPID02 CSI-2 to PARALLEL bridge
     
     MIPID02 has two CSI-2 input ports, only one of those ports can be active at a
     time. Active port input stream will be de-serialized and its content outputted
     through PARALLEL output port.
     CSI-2 first input port is a dual lane 800Mbps per lane whereas CSI-2 second
     input port is a single lane 800Mbps. Both ports support clock and data lane
     polarity swap. First port also supports data lane swap.
     PARALLEL output port has a maximum width of 12 bits.
    Supported formats are RAW6, RAW7, RAW8, RAW10, RAW12, RGB565, RGB888, RGB444,
    YUV420 8-bit, YUV422 8-bit and YUV420 10-bit.
    
    Required Properties:
    - compatible: shall be "st,st-mipid02"
    - clocks: reference to the xclk input clock.
    - clock-names: shall be "xclk".
    - VDDE-supply: sensor digital IO supply. Must be 1.8 volts.
    - VDDIN-supply: sensor internal regulator supply. Must be 1.8 volts.
    
    Optional Properties:
    - reset-gpios: reference to the GPIO connected to the xsdn pin, if any.
                   This is an active low signal to the mipid02.
    
    Required subnodes:
      - ports: A ports node with one port child node per device input and output
               port, in accordance with the video interface bindings defined in
               Documentation/devicetree/bindings/media/video-interfaces.txt. The
               port nodes are numbered as follows:
    
               Port Description
               -----------------------------
               0    CSI-2 first input port
               1    CSI-2 second input port
               2    PARALLEL output
    
    Endpoint node required property for CSI-2 connection is:
    - data-lanes: shall be <1> for Port 1. for Port 0 dual-lane operation shall be
    <1 2> or <2 1>. For Port 0 single-lane operation shall be <1> or <2>.
    Endpoint node optional property for CSI-2 connection is:
    - lane-polarities: any lane can be inverted or not.
    
    Endpoint node required property for PARALLEL connection is:
    - bus-width: shall be set to <6>, <7>, <8>, <10> or <12>.
    Endpoint node optional properties for PARALLEL connection are:
    - hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
    LOW being the default.
    - vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
    LOW being the default.
    
    Example:
    
    mipid02: csi2rx@14 {
            compatible = "st,st-mipid02";
            reg = <0x14>;
            status = "okay";
            clocks = <&clk_ext_camera_12>;
            clock-names = "xclk";
            VDDE-supply = <&vdd>;
            VDDIN-supply = <&vdd>;
            ports {
                    #address-cells = <1>;
                    #size-cells = <0>;
                    port@0 {
                            reg = <0>;
    
                            ep0: endpoint {
                                    data-lanes = <1 2>;
                                    remote-endpoint = <&mipi_csi2_in>;
                            };
                    };
                    port@2 {
                            reg = <2>;
    
                            ep2: endpoint {
                                    bus-width = <8>;
                                    hsync-active = <0>;
                                    vsync-active = <0>;
                                    remote-endpoint = <&parallel_out>;
                            };
                    };
            };
    };

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