On 18-08-13 15:41, Rob Herring wrote: > On Mon, Aug 13, 2018 at 11:25:03AM +0200, Marco Felsch wrote: > > The TVP5150/1 decoders support different video input sources to their > > AIP1A/B pins. > > > > Possible configurations are as follows: > > - Analog Composite signal connected to AIP1A. > > - Analog Composite signal connected to AIP1B. > > - Analog S-Video Y (luminance) and C (chrominance) > > signals connected to AIP1A and AIP1B respectively. > > > > This patch extends the device tree bindings documentation to describe > > how the input connectors for these devices should be defined in a DT. > > > > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> > > > > --- > > Changelog: > > v2: > > - adapt port layout in accordance with > > https://www.spinics.net/lists/linux-media/msg138546.html with the > > svideo-connector deviation (use only one endpoint) > > --- > > .../devicetree/bindings/media/i2c/tvp5150.txt | 191 +++++++++++++++++- > > 1 file changed, 185 insertions(+), 6 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt > > index 8c0fc1a26bf0..d647d671f14a 100644 > > --- a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt > > +++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt > > @@ -12,11 +12,31 @@ 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 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 > > + > > +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 > > +Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt. 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 -----------> 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). > > @@ -26,7 +46,140 @@ Required Endpoint Properties for parallel synchronization: > > If none of hsync-active, vsync-active and field-even-active is specified, > > the endpoint is assumed to use embedded BT.656 synchronization. > > > > -Example: > > +Examples: > > Is it really necessary to enumerate every possibility? Just show the > most complicated case which is a superset of the rest. I just wanted to be a bit more verbose, since not all users (e.g. beginners) know how the of_graph works. Anyway, I can drop the 1st and 2nd example. > > > + > > +One Input: > > + > > +connector { > > + compatible = "composite-video-connector"; > > + label = "Composite0"; > > + > > + port { > > + composite0_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_composite0>; > > + }; > > + }; > > +}; > > + > > +&i2c2 { > > + ... > > + tvp5150@5c { > > + compatible = "ti,tvp5150"; > > + reg = <0x5c>; > > + pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>; > > + reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; > > + > > + port@0 { > > + reg = <0>; > > + > > + tvp5150_to_composite0: endpoint { > > + remote-endpoint = <&composite0_to_tvp5150>; > > + }; > > + }; > > + > > + port@2 { > > + reg = <2>; > > + > > + tvp5150_1: endpoint { > > + remote-endpoint = <&ccdc_ep>; > > + }; > > + }; > > + }; > > +}; > > + > > +Two Inputs: > > + > > +comp_connector_1 { > > + compatible = "composite-video-connector"; > > + label = "Composite1"; > > + > > + port { > > + composite1_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_composite1>; > > + }; > > + }; > > +}; > > + > > +svid_connector { > > + compatible = "svideo-connector"; > > + label = "S-Video"; > > + > > + port { > > + svideo_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_svideo>; > > + }; > > + }; > > +}; > > + > > +&i2c2 { > > + ... > > + tvp5150@5c { > > + compatible = "ti,tvp5150"; > > + reg = <0x5c>; > > + pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>; > > + reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; > > + > > + port@0 { > > + reg = <0>; > > + > > + tvp5150_to_svideo: endpoint@1 { > > + reg = <1>; > > + remote-endpoint = <&svideo_to_tvp5150>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + > > + tvp5150_to_composite1: endpoint { > > + remote-endpoint = <&composite1_to_tvp5150>; > > + }; > > + }; > > Spaces used instead of tabs. Sorry for that. I checked it by checkpatch with no errors. I will convert it. > > > + > > + port@2 { > > + reg = <2>; > > + > > + tvp5150_1: endpoint { > > + remote-endpoint = <&ccdc_ep>; > > + }; > > + }; > > + }; > > +}; > > + > > +Three Inputs: > > + > > +comp_connector_0 { > > + compatible = "composite-video-connector"; > > + label = "Composite0"; > > + > > + port { > > + composite0_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_composite0>; > > + }; > > + }; > > +}; > > + > > +comp_connector_1 { > > + compatible = "composite-video-connector"; > > + label = "Composite1"; > > + > > + port { > > + composite1_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_composite1>; > > + }; > > + }; > > +}; > > + > > +svid_connector { > > + compatible = "svideo-connector"; > > + label = "S-Video"; > > + > > + port { > > + svideo_to_tvp5150: endpoint { > > + remote-endpoint = <&tvp5150_to_svideo>; > > + }; > > + }; > > +}; > > > > &i2c2 { > > ... > > @@ -36,7 +189,33 @@ Example: > > pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>; > > reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>; > > > > - port { > > + 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: endpoint@1 { > > + reg = <1>; > > + remote-endpoint = <&svideo_to_tvp5150>; > > + }; > > + }; > > + > > + port@1 { > > + reg = <1>; > > + > > + tvp5150_to_composite1: endpoint { > > + remote-endpoint = <&composite1_to_tvp5150>; > > + }; > > + }; > > Here too. > > > + > > + port@2 { > > + reg = <2>; > > + > > tvp5150_1: endpoint { > > remote-endpoint = <&ccdc_ep>; > > }; > > -- > > 2.18.0 > > > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
