linux-kernel - Re: [PATCH 03/10] media: dt-bindings: vpif: extend the example with an output port

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Date:   Thu, 16 Feb 2017 17:06:20 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Kevin Hilman <khilman@...nel.org>, Sekhar Nori <nsekhar@...com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Alexandre Bailon <abailon@...libre.com>,
        David Lechner <david@...hnology.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Lad Prabhakar <prabhakar.csengg@...il.com>,
        linux-devicetree <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-media@...r.kernel.org
Subject: Re: [PATCH 03/10] media: dt-bindings: vpif: extend the example with
 an output port

2017-02-15 23:08 GMT+01:00 Rob Herring <robh@...nel.org>:
> On Tue, Feb 07, 2017 at 05:41:16PM +0100, Bartosz Golaszewski wrote:
>> This makes the example more or less correspond with the da850-evm
>> hardware setup.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>> ---
>>  .../devicetree/bindings/media/ti,da850-vpif.txt    | 35 ++++++++++++++++++----
>>  1 file changed, 29 insertions(+), 6 deletions(-)
>
> Spoke too soon...
>
>>
>> diff --git a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
>> index 9c7510b..543f6f3 100644
>> --- a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
>> +++ b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt
>> @@ -28,19 +28,27 @@ I2C-connected TVP5147 decoder:
>>               reg = <0x217000 0x1000>;
>>               interrupts = <92>;
>>
>> -             port {
>> -                     vpif_ch0: endpoint@0 {
>> +             port@0 {
>> +                     vpif_input_ch0: endpoint@0 {
>>                               reg = <0>;
>>                               bus-width = <8>;
>> -                             remote-endpoint = <&composite>;
>> +                             remote-endpoint = <&composite_in>;
>>                       };
>>
>> -                     vpif_ch1: endpoint@1 {
>> +                     vpif_input_ch1: endpoint@1 {
>>                               reg = <1>;
>>                               bus-width = <8>;
>>                               data-shift = <8>;
>>                       };
>>               };
>> +
>> +             port@1 {
>
> The binding doc says nothing about supporting a 2nd port.
>

I assumed that "It should contain at least one port child node" means
there can be more than one.

Thanks,
Bartosz

>
>> +                     vpif_output_ch0: endpoint@0 {
>> +                             reg = <0>;
>
> Don't need reg here.
>
>> +                             bus-width = <8>;
>> +                             remote-endpoint = <&composite_out>;
>> +                     };
>> +             };
>>       };