FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/media/i2c/tvp5150.txt

     * Texas Instruments TVP5150 and TVP5151 video decoders
     
     The TVP5150 and TVP5151 are video decoders that convert baseband NTSC and PAL
     (and also SECAM in the TVP5151 case) video signals to either 8-bit 4:2:2 YUV
     with discrete syncs or 8-bit ITU-R BT.656 with embedded syncs output formats.
     
     Required Properties:
     ====================
     - compatible:   Value must be "ti,tvp5150".
    - reg:          I2C slave address.
    
    Optional Properties:
    ====================
    - pdn-gpios:    Phandle for the GPIO connected to the PDN pin, if any.
    - reset-gpios:  Phandle for the GPIO connected to the RESETB pin, if any.
    
    The device node must contain one 'port' child node per device physical 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
    
              Name          Type            Port
            --------------------------------------
              AIP1A         sink            0
              AIP1B         sink            1
              Y-OUT         src             2
    
    The device node must contain at least one sink port and the src port. Each input
    port must be linked to an endpoint defined in [1]. The port/connector layout is
    as follows
    
    tvp-5150 port@0 (AIP1A)
            endpoint@0 -----------> Comp0-Con  port
            endpoint@1 ------+----> Svideo-Con port
    tvp-5150 port@1 (AIP1B)  |
            endpoint@1 ------+
            endpoint@0 -----------> Comp1-Con  port
    tvp-5150 port@2
            endpoint (video bitstream output at YOUT[0-7] parallel bus)
    
    Required Endpoint Properties for parallel synchronization on output port:
    =========================================================================
    
    - hsync-active:         Active state of the HSYNC signal. Must be <1> (HIGH).
    - vsync-active:         Active state of the VSYNC signal. Must be <1> (HIGH).
    - field-even-active:    Field signal level during the even field data
                            transmission. Must be <0>.
    
    Note: Do not specify any of these properties if you want to use the embedded
          BT.656 synchronization.
    
    Optional Connector Properties:
    ==============================
    
    - sdtv-standards: Set the possible signals to which the hardware tries to lock
                      instead of using the autodetection mechnism. Please look at
                      [1] for more information.
    
    [1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml.
    
    Example - three input sources:
    #include <dt-bindings/display/sdtv-standards.h>
    
    comp_connector_0 {
            compatible = "composite-video-connector";
            label = "Composite0";
            sdtv-standards = <SDTV_STD_PAL_M>; /* limit to pal-m signals */
    
            port {
                    composite0_to_tvp5150: endpoint {
                            remote-endpoint = <&tvp5150_to_composite0>;
                    };
            };
    };
    
    comp_connector_1 {
            compatible = "composite-video-connector";
            label = "Composite1";
            sdtv-standards = <SDTV_STD_NTSC_M>; /* limit to ntsc-m signals */
    
            port {
                    composite1_to_tvp5150: endpoint {
                            remote-endpoint = <&tvp5150_to_composite1>;
                    };
            };
    };
    
    svideo_connector {
            compatible = "svideo-connector";
            label = "S-Video";
    
            port {
                    #address-cells = <1>;
                    #size-cells = <0>;
    
                    svideo_luma_to_tvp5150: endpoint@0 {
                            reg = <0>;
                            remote-endpoint = <&tvp5150_to_svideo_luma>;
                    };
   
                   svideo_chroma_to_tvp5150: endpoint@1 {
                           reg = <1>;
                           remote-endpoint = <&tvp5150_to_svideo_chroma>;
                   };
           };
   };
   
   &i2c2 {
           tvp5150@5c {
                   compatible = "ti,tvp5150";
                   reg = <0x5c>;
                   pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
                   reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
                   #address-cells = <1>;
                   #size-cells = <0>;
   
                   port@0 {
                           #address-cells = <1>;
                           #size-cells = <0>;
                           reg = <0>;
   
                           tvp5150_to_composite0: endpoint@0 {
                                   reg = <0>;
                                   remote-endpoint = <&composite0_to_tvp5150>;
                           };
   
                           tvp5150_to_svideo_luma: endpoint@1 {
                                   reg = <1>;
                                   remote-endpoint = <&svideo_luma_to_tvp5150>;
                           };
                   };
   
                   port@1 {
                           #address-cells = <1>;
                           #size-cells = <0>;
                           reg = <1>;
   
                           tvp5150_to_composite1: endpoint@0 {
                                   reg = <0>;
                                   remote-endpoint = <&composite1_to_tvp5150>;
                           };
   
                           tvp5150_to_svideo_chroma: endpoint@1 {
                                   reg = <1>;
                                   remote-endpoint = <&svideo_chroma_to_tvp5150>;
                           };
                   };
   
                   port@2 {
                           reg = <2>;
   
                           tvp5150_1: endpoint {
                                   remote-endpoint = <&ccdc_ep>;
                           };
                   };
           };
   };

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