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Diffstat (limited to 'dts/Bindings/media/i2c/tvp5150.txt')
| -rw-r--r-- | dts/Bindings/media/i2c/tvp5150.txt | 146 |
1 files changed, 129 insertions, 17 deletions
diff --git a/dts/Bindings/media/i2c/tvp5150.txt b/dts/Bindings/media/i2c/tvp5150.txt index 8c0fc1a26b..94b908ace5 100644 --- a/dts/Bindings/media/i2c/tvp5150.txt +++ b/dts/Bindings/media/i2c/tvp5150.txt @@ -5,38 +5,150 @@ The TVP5150 and TVP5151 are video decoders that convert baseband NTSC and PAL 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 +==================== +- 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. +==================== +- 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 for its digital output -video port, in accordance with the video interface bindings defined in -Documentation/devicetree/bindings/media/video-interfaces.txt. +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 -Required Endpoint Properties for parallel synchronization: + Name Type Port + -------------------------------------- + AIP1A sink 0 + AIP1B sink 1 + Y-OUT src 2 -- 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>. +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 -If none of hsync-active, vsync-active and field-even-active is specified, -the endpoint is assumed to use embedded BT.656 synchronization. +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) -Example: +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 mechanism. 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>; - port { tvp5150_1: endpoint { remote-endpoint = <&ccdc_ep>; }; |