Hello Rob,
Thanks a lot for your feedback.
On 01/04/2016 11:07 AM, Rob Herring wrote:
> On Mon, Jan 04, 2016 at 09:25:29AM -0300, Javier Martinez Canillas wrote:
>> Add a Device Tree binding document for the TVP5150 video decoder.
>>
>> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>> ---
>>
>> .../devicetree/bindings/media/i2c/tvp5150.txt | 35 ++++++++++++++++++++++
>> 1 file changed, 35 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/media/i2c/tvp5150.txt
>>
>> diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
>> new file mode 100644
>> index 000000000000..bf0b3f3128ce
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
>> @@ -0,0 +1,35 @@
>> +* 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"
>
> What about the 5151? The driver never needs to know if SECAM is
> supported or not?
>
The device ID can be detected at runtime by reading the TVP5150_MSB_DEV_ID
and TVP5150_LSB_DEV_ID registers in both tvp5150 and tvp5151 (see patch #2
in this series). So I thought there was no need to have another compatible
string for "ti,tvp5151".
>> +- reg: I2C slave address
>> +
>> +Optional Properties:
>> +- powerdown-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.
>> +
>> +Example:
>> +
>> +&i2c2 {
>> + ...
>> + tvp5150@5c {
>> + compatible = "ti,tvp5150";
>
> Too much indentation here.
>
Right, I copied the example from a DTS that had another level of indentation
but it seems that I forgot to fix all lines, sorry about that. I will in v2.
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
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