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

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Date:   Wed, 15 Feb 2017 16:08:22 -0600
From:   Rob Herring <robh@...nel.org>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>
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>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        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

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. 


> +			vpif_output_ch0: endpoint@0 {
> +				reg = <0>;

Don't need reg here.

> +				bus-width = <8>;
> +				remote-endpoint = <&composite_out>;
> +			};
> +		};
>  	};