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Diffstat (limited to 'Documentation/devicetree/bindings/media/i2c/tvp5150.txt')
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diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt new file mode 100644 index 000000000000..daa20e43a8e3 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt @@ -0,0 +1,88 @@ +* 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. + +Optional nodes: +- connectors: The input connectors of tvp5150 have to be defined under + a subnode name "connectors" using the following format: + + input-connector-name { + input connector properties + }; + +Each input connector must contain the following properties: + + - label: a name for the connector. + - input: the input connector. + +The possible values for the "input" property are: + 0: Composite0 + 1: Composite1 + 2: S-Video + +and on a tvp5150am1 and tvp5151 there is another: + 4: Signal generator + +The list of valid input connectors are defined in dt-bindings/media/tvp5150.h +header file and can be included by device tree source files. + +Each input connector can be defined only once. + +The device node must contain one 'port' child node for its digital output +video port, in accordance with the video interface bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Required Endpoint Properties for parallel synchronization: + +- 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>. + +If none of hsync-active, vsync-active and field-even-active is specified, +the endpoint is assumed to use embedded BT.656 synchronization. + +Example: + +&i2c2 { + ... + tvp5150@5c { + compatible = "ti,tvp5150"; + reg = <0x5c>; + pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; + + connectors { + composite0 { + label = "Composite0"; + input = <TVP5150_COMPOSITE0>; + }; + + composite1 { + label = "Composite1"; + input = <TVP5150_COMPOSITE1>; + }; + + s-video { + label = "S-Video"; + input = <TVP5150_SVIDEO>; + }; + }; + + port { + tvp5150_1: endpoint { + remote-endpoint = <&ccdc_ep>; + }; + }; + }; +}; |