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Date:   Thu, 09 Aug 2018 01:59:29 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Kieran Bingham <kieran.bingham@...asonboard.com>
Cc:     mchehab@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Hans Verkuil <hverkuil@...all.nl>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: media: adv748x: Document secondary addresses

Hi Kieran,

Thank you for the patch.

On Wednesday, 8 August 2018 20:31:28 EEST Kieran Bingham wrote:
> The ADV748x supports configurable slave addresses for its I2C pages.
> Document the page names, and example for setting each of the pages
> excplicitly.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
> ---
>  .../devicetree/bindings/media/i2c/adv748x.txt          | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> b/Documentation/devicetree/bindings/media/i2c/adv748x.txt index
> 21ffb5ed8183..9515d8ad0e31 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> @@ -18,6 +18,11 @@ Optional Properties:
>  		     "intrq3". All interrupts are optional. The "intrq3" interrupt
>  		     is only available on the adv7481
>    - interrupts: Specify the interrupt lines for the ADV748x
> +  - reg-names : Names of maps with programmable addresses.
> +		It can contain any map needed a non-default address.

s/can contain any map needed/shall contain all maps needing/

> +		Possible map names are:
> +		  "main", "dpll", "cp", "hdmi", "edid", "repeater",
> +		  "infoframe", "cbus", "cec", "sdp", "txa", "txb"

Should you also update the description of the reg property, possibly with the 
same text as the adv7604 bindings ?

>  The device node must contain one 'port' child node per device input and
> output port, in accordance with the video interface bindings defined in
> @@ -47,7 +52,10 @@ Example:
> 
>  	video-receiver@70 {
>  		compatible = "adi,adv7482";
> -		reg = <0x70>;
> +		reg = <0x70 0x71 0x72 0x73 0x74 0x75
> +		       0x60 0x61 0x62 0x63 0x64 0x65>;
> +		reg-names = "main", "dpll", "cp", "hdmi", "edid", "repeater",
> +			    "infoframe", "cbus", "cec", "sdp", "txa", "txb";
> 
>  		#address-cells = <1>;
>  		#size-cells = <0>;

-- 
Regards,

Laurent Pinchart



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