linux-kernel - Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties

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Message-ID: <20160608191842.GA19860@rob-hp-laptop>
Date:	Wed, 8 Jun 2016 14:18:42 -0500
From:	Rob Herring <robh@...nel.org>
To:	Aaro Koskinen <aaro.koskinen@....fi>
Cc:	David Daney <ddaney.cavm@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation/devicetree: document cavium-pip
 rx-delay/tx-delay properties

On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
> Document cavium-pip rx-delay/tx-delay properties. Currently the board
> specific values need to be hardcoded in the platform code, which we
> want to avoid when moving to DT-only booting.
> 
> Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
> ---
>  Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
> index 7dbd158..edbf411 100644
> --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
> +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
> @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
>  
>  - phy-handle: Optional, see ethernet.txt file in the same directory.
>  
> +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
> +
> +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.

What are the units? Use standard unit suffix if in ns, us, etc.

> +
>  Example:
>  
>  	pip@...00a0000000 {
> -- 
> 2.7.2
> 
> --
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